Genmab A/S 6-K, filed Jun 24, 2024

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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​ FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE MONTH OF JUNE 2024

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COMMISSION FILE NUMBER 001-38976

Genmab A/S (Exact name of Registrant as specified in its charter)

Carl Jacobsens Vej 30

2500 Valby

Denmark

+45 70 20 27 28 (Address of principal executive offices)

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Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F ⌧ Form 40-F ◻

This report on Form 6-K shall be deemed to be incorporated by reference in Genmab A/S’s registration statements on Form S-8 (File No. 333-232693, 333-253519, 333-262970 and 333-277273) and to be a part thereof from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

nthony	​	​
​	GENMAB A/S
​	​	​
​	BY:	/s/ Anthony Pagano
​	​	Name: Anthony Pagano
​	​	Title: Executive Vice President & Chief Financial Officer

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DATE: JUNE 24, 2024

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EXHIBIT INDEX

O
Exhibit	Description of Exhibit
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99.1	Company Announcement Dated June 24, 2024: Transactions in Connection with Share Buy-back Program
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99.1(a)<br><br>​<br><br>​	Appendix Share buyback program – Specification for June 17 – June 21, 2024<br><br>​<br><br>​
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Exhibit 99.1

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Transactions in Connection with Share Buy-back Program

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Company Announcement

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COPENHAGEN, Denmark; June 24, 2024 – Genmab A/S (Nasdaq: GMAB). On March 15, 2024, Genmab announced the initiation of a share buy-back program to repurchase up to DKK 3.5 billion worth of shares.

The share buy-back program is expected to be completed no later than December 16, 2024.

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The following transactions were executed under the program from June 17, 2024, to June 21, 2024:

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	Trading Platform		No. of shares	Average price (DKK)	Total value (DKK)
Accumulated through<br><br>last announcement		​	​<br><br>1,322,085	****	2,601,796,390.08
June 17, 2024		XCSE	43,264	1,803.88	​
​		CEUX	17,353	1,806.82	​
​		AQEU	2,961	1,803.50	​
​		TQEX	2,538	1,806.66	​
​		Total	66,116	1,804.74	119,322,315.46
June 18, 2024		XCSE	44,466	1,802.17	​
​		CEUX	17,955	1,800.39	​
​		AQEU	3,031	1,802.24	​
​		TQEX	2,635	1,799.37	​
​		Total	68,087	1,801.60	122,665,294.09
June 19, 2024		XCSE	44,017	1,767.29	​
​		CEUX	18,090	1,770.95	​
​		AQEU	3,173	1,767.99	​
​		TQEX	2,710	1,773.28	​
​		Total	67,990	1,768.54	120,242,701.45
June 20, 2024		XCSE	45,724	1,783.95	​
​		CEUX	18,429	1,782.44	​
​		AQEU	3,202	1,785.37	​
​		TQEX	2,786	1,781.47	​
​		Total	70,141	1,783.52	125,097,925.42
June 21, 2024		XCSE	39,923	1,813.32	​
​		CEUX	18,581	1,815.64	​
​		AQEU	3,125	1,813.41	​
​		TQEX	2,827	1,814.35	​
​		Total	64,456	1,814.04	116,925,601.10
Total		​	336,790	​	604,253,837.52
Accumulated under the program		​	1,658,875	****	3,206,050,227.60

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Details of each transaction are included as an appendix to this announcement.

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​	​	​
Genmab A/S	Tel: +45 7020 2728	Company Announcement no. 46
Carl Jacobsens Vej 30	Fax: +45 7020 2729	Page 1/2
2500 Valby, Denmark	www.genmab.com	CVR no. 2102 3884
​	​	LEI Code 529900MTJPDPE4MHJ122

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Transactions in Connection with Share Buy-back Program

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Following these transactions, Genmab holds 2,508,013 shares as treasury shares, corresponding to 3.79% of the total share capital and voting rights.

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The share buy-back program is undertaken in accordance with Regulation (EU) No. 596/2014 (‘MAR’) and the Commission Delegated Regulation (EU) 2016/1052, also referred to as the “Safe Harbour Regulation.” Further details on the terms of the share buy-back program can be found in our company announcement no. 22 dated March 15, 2024.

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About Genmab Genmab is an international biotechnology company with a core purpose of guiding its unstoppable team to strive toward improving the lives of patients with innovative and differentiated antibody therapeutics. For 25 years, its passionate, innovative and collaborative team has invented next-generation antibody technology platforms and leveraged translational, quantitative and data sciences, resulting in a proprietary pipeline including bispecific T-cell engagers, antibody-drug conjugates, next-generation immune checkpoint modulators and effector function-enhanced antibodies. By 2030, Genmab’s vision is to transform the lives of people with cancer and other serious diseases with knock-your-socks-off (KYSO^®^) antibody medicines.

Established in 1999, Genmab is headquartered in Copenhagen, Denmark, with international presence across North America, Europe and Asia Pacific. For more information, please visit Genmab.com and follow us on LinkedIn and X.

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**Contact:**Marisol Peron, Senior Vice President, Global Communications & Corporate Affairs

T: +1 609 524 0065; E: mmp@genmab.com

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Andrew Carlsen, Vice President, Head of Investor Relations

T: +45 3377 9558; E: acn@genmab.com

​ This Company Announcement contains forward looking statements. The words “believe,” “expect,” “anticipate,” “intend” and “plan” and similar expressions identify forward looking statements. Actual results or performance may differ materially from any future results or performance expressed or implied by such statements. The important factors that could cause our actual results or performance to differ materially include, among others, risks associated with preclinical and clinical development of products, uncertainties related to the outcome and conduct of clinical trials including unforeseen safety issues, uncertainties related to product manufacturing, the lack of market acceptance of our products, our inability to manage growth, the competitive environment in relation to our business area and markets, our inability to attract and retain suitably qualified personnel, the unenforceability or lack of protection of our patents and proprietary rights, our relationships with affiliated entities, changes and developments in technology which may render our products or technologies obsolete, and other factors. For a further discussion of these risks, please refer to the risk management sections in Genmab’s most recent financial reports, which are available on www.genmab.com and the risk factors included in Genmab’s most recent Annual Report on Form 20-F and other filings with the U.S. Securities and Exchange Commission (SEC), which are available at www.sec.gov. Genmab does not undertake any obligation to update or revise forward looking statements in this Company Announcement nor to confirm such statements to reflect subsequent events or circumstances after the date made or in relation to actual results, unless required by law.

​ Genmab A/S and/or its subsidiaries own the following trademarks: Genmab^®^; the Y-shaped Genmab logo^®^; Genmab in combination with the Y-shaped Genmab logo^®^; HuMax^®^; DuoBody^®^; HexaBody^®^; DuoHexaBody^®^, HexElect^®^and KYSO^®^.

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​	​	​
Genmab A/S	Tel: +45 7020 2728	Company Announcement no. 46
Carl Jacobsens Vej 30	Fax: +45 7020 2729	Page 2/2
2500 Valby, Denmark	www.genmab.com	CVR no. 2102 3884
​	​	LEI Code 529900MTJPDPE4MHJ122

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Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

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Issuer	Date	Time CEST	Price (DKK)	Quantity	Venue
Genmab A/S	17/06/2024	9:03:30 AM	1,826.0000	22	XCSE
Genmab A/S	17/06/2024	9:03:30 AM	1,826.0000	24	XCSE
Genmab A/S	17/06/2024	9:03:30 AM	1,826.0000	22	XCSE
Genmab A/S	17/06/2024	9:03:30 AM	1,826.0000	24	XCSE
Genmab A/S	17/06/2024	9:03:30 AM	1,826.0000	53	XCSE
Genmab A/S	17/06/2024	9:03:30 AM	1,826.0000	22	XCSE
Genmab A/S	17/06/2024	9:03:30 AM	1,826.0000	12	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	94	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	50	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	44	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	6	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	44	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	44	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	50	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	94	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	6	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	67	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	21	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	23	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	21	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	21	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	21	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	21	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	31	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	31	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	31	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	32	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	31	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	32	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	62	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	13	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	81	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	9	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	85	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	58	XCSE
Genmab A/S	17/06/2024	9:05:47 AM	1,830.0000	89	XCSE
Genmab A/S	17/06/2024	9:08:21 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:21 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:21 AM	1,826.5000	1	AQEU
Genmab A/S	17/06/2024	9:08:21 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:21 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:21 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:21 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:22 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	4	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	8	CEUX

1

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​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

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Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	4	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	1	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	1	AQEU
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	11	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	9	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	4	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	12	CEUX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	5	TQEX
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	29	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	30	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	29	XCSE
Genmab A/S	17/06/2024	9:08:41 AM	1,826.5000	17	XCSE
Genmab A/S	17/06/2024	9:08:42 AM	1,825.0000	23	XCSE
Genmab A/S	17/06/2024	9:08:42 AM	1,825.0000	22	CEUX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	41	CEUX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	6	AQEU

2

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​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

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​

Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	41	CEUX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	41	CEUX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	4	CEUX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	41	CEUX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	40	CEUX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	7	TQEX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	45	XCSE
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	25	XCSE
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	45	XCSE
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	6	AQEU
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	41	CEUX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	5	CEUX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	6	AQEU
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	2	AQEU
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	7	TQEX
Genmab A/S	17/06/2024	9:10:03 AM	1,824.0000	2	TQEX
Genmab A/S	17/06/2024	9:10:04 AM	1,824.0000	42	XCSE
Genmab A/S	17/06/2024	9:10:04 AM	1,824.0000	57	XCSE
Genmab A/S	17/06/2024	9:10:04 AM	1,824.0000	4	XCSE
Genmab A/S	17/06/2024	9:10:04 AM	1,824.0000	17	XCSE
Genmab A/S	17/06/2024	9:10:04 AM	1,823.0000	2	AQEU
Genmab A/S	17/06/2024	9:10:04 AM	1,823.0000	2	AQEU
Genmab A/S	17/06/2024	9:10:04 AM	1,823.0000	2	AQEU
Genmab A/S	17/06/2024	9:10:04 AM	1,823.0000	2	AQEU
Genmab A/S	17/06/2024	9:10:04 AM	1,823.0000	2	AQEU
Genmab A/S	17/06/2024	9:10:04 AM	1,823.0000	2	AQEU
Genmab A/S	17/06/2024	9:10:04 AM	1,823.0000	18	AQEU
Genmab A/S	17/06/2024	9:10:04 AM	1,823.0000	2	AQEU
Genmab A/S	17/06/2024	9:10:04 AM	1,823.0000	2	AQEU
Genmab A/S	17/06/2024	9:13:04 AM	1,822.0000	52	XCSE
Genmab A/S	17/06/2024	9:13:04 AM	1,822.0000	207	XCSE
Genmab A/S	17/06/2024	9:13:04 AM	1,822.0000	48	CEUX
Genmab A/S	17/06/2024	9:13:04 AM	1,822.0000	52	XCSE
Genmab A/S	17/06/2024	9:13:04 AM	1,822.0000	52	XCSE
Genmab A/S	17/06/2024	9:13:04 AM	1,822.0000	48	CEUX
Genmab A/S	17/06/2024	9:13:28 AM	1,821.5000	46	XCSE
Genmab A/S	17/06/2024	9:13:28 AM	1,821.5000	77	XCSE
Genmab A/S	17/06/2024	9:13:28 AM	1,821.5000	14	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	39	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	158	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	22	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	3	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	2	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	3	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	3	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	35	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	35	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	12	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	35	CEUX

3

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	12	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	35	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	13	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	5	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	5	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	5	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	5	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	5	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	5	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	5	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	5	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	4	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	6	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	6	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	6	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	18	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	6	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	1	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,821.0000	4	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	19	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	4	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	14	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	23	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	23	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	16	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	7	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	10	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	13	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	23	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	23	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	4	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	4	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	22	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	22	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	6	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	3	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	2	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	3	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	2	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	3	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	3	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	1	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	4	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	16	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	16	CEUX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	3	AQEU
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	5	TQEX
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	12	XCSE
Genmab A/S	17/06/2024	9:14:19 AM	1,820.0000	15	XCSE

4

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:14:20 AM	1,820.0000	38	XCSE
Genmab A/S	17/06/2024	9:14:22 AM	1,820.0000	19	XCSE
Genmab A/S	17/06/2024	9:14:22 AM	1,820.0000	33	XCSE
Genmab A/S	17/06/2024	9:18:29 AM	1,819.0000	11	XCSE
Genmab A/S	17/06/2024	9:18:29 AM	1,819.0000	271	XCSE
Genmab A/S	17/06/2024	9:18:34 AM	1,817.0000	22	XCSE
Genmab A/S	17/06/2024	9:18:34 AM	1,817.0000	22	XCSE
Genmab A/S	17/06/2024	9:18:34 AM	1,817.0000	3	AQEU
Genmab A/S	17/06/2024	9:18:34 AM	1,817.0000	9	AQEU
Genmab A/S	17/06/2024	9:18:34 AM	1,817.0000	21	CEUX
Genmab A/S	17/06/2024	9:18:34 AM	1,817.0000	9	CEUX
Genmab A/S	17/06/2024	9:18:34 AM	1,817.0000	5	TQEX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	54	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	11	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	2	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	11	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	10	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	13	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,819.0000	12	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	22	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	22	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	22	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	22	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	18	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	21	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	3	AQEU
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	2	AQEU
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	5	TQEX
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	18	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	1	AQEU
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	2	AQEU

5

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	3	AQEU
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	5	TQEX
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	22	TQEX
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	5	TQEX
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	51	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	15	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,818.0000	36	XCSE
Genmab A/S	17/06/2024	9:20:01 AM	1,817.5000	19	CEUX
Genmab A/S	17/06/2024	9:20:01 AM	1,817.5000	2	AQEU
Genmab A/S	17/06/2024	9:20:01 AM	1,817.5000	2	AQEU
Genmab A/S	17/06/2024	9:20:01 AM	1,817.5000	5	TQEX
Genmab A/S	17/06/2024	9:23:11 AM	1,818.0000	36	XCSE
Genmab A/S	17/06/2024	9:23:11 AM	1,818.0000	32	CEUX
Genmab A/S	17/06/2024	9:23:11 AM	1,818.0000	5	AQEU
Genmab A/S	17/06/2024	9:23:11 AM	1,818.0000	5	TQEX
Genmab A/S	17/06/2024	9:23:11 AM	1,818.0000	5	TQEX
Genmab A/S	17/06/2024	9:23:11 AM	1,818.0000	5	TQEX
Genmab A/S	17/06/2024	9:23:52 AM	1,819.5000	35	CEUX
Genmab A/S	17/06/2024	9:24:03 AM	1,819.5000	37	CEUX
Genmab A/S	17/06/2024	9:24:10 AM	1,818.5000	31	XCSE
Genmab A/S	17/06/2024	9:24:27 AM	1,819.5000	19	CEUX
Genmab A/S	17/06/2024	9:24:27 AM	1,819.5000	15	CEUX
Genmab A/S	17/06/2024	9:24:27 AM	1,819.5000	2	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	5	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	29	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	21	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	13	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	5	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	5	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	6	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	6	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	6	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	34	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	38	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	5	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	23	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	10	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	28	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	34	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	4	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	26	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	33	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	4	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	11	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	34	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	12	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	34	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	13	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	5	AQEU

6

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	5	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	6	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	6	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	6	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	5	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	5	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	5	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	5	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	4	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	6	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,818.5000	4	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	23	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	21	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	36	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	10	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	21	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	23	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	2	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	21	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	20	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	3	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	2	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	21	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	20	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	21	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	20	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	1	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	1	CEUX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	3	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	2	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	3	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	2	AQEU
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	4	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	1	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	5	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	5	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	5	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	2	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	2	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	1	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	2	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	3	TQEX
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	17	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	35	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	14	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	48	XCSE
Genmab A/S	17/06/2024	9:25:38 AM	1,817.5000	21	XCSE
Genmab A/S	17/06/2024	9:28:28 AM	1,818.0000	12	CEUX
Genmab A/S	17/06/2024	9:28:34 AM	1,818.0000	13	CEUX

7

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:28:34 AM	1,818.0000	25	CEUX
Genmab A/S	17/06/2024	9:30:14 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:14 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:14 AM	1,819.0000	5	CEUX
Genmab A/S	17/06/2024	9:30:14 AM	1,819.0000	1	AQEU
Genmab A/S	17/06/2024	9:30:14 AM	1,819.0000	5	AQEU
Genmab A/S	17/06/2024	9:30:14 AM	1,819.0000	1	AQEU
Genmab A/S	17/06/2024	9:30:14 AM	1,819.0000	2	AQEU
Genmab A/S	17/06/2024	9:30:14 AM	1,819.0000	5	TQEX
Genmab A/S	17/06/2024	9:30:14 AM	1,819.0000	5	TQEX
Genmab A/S	17/06/2024	9:30:14 AM	1,819.0000	8	XCSE
Genmab A/S	17/06/2024	9:30:25 AM	1,819.0000	1	AQEU
Genmab A/S	17/06/2024	9:30:25 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:25 AM	1,819.0000	5	TQEX
Genmab A/S	17/06/2024	9:30:25 AM	1,819.0000	8	XCSE
Genmab A/S	17/06/2024	9:30:25 AM	1,819.0000	3	XCSE
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	71	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	5	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	9	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	8	CEUX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	5	TQEX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	12	TQEX
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	8	XCSE
Genmab A/S	17/06/2024	9:30:33 AM	1,819.0000	84	XCSE
Genmab A/S	17/06/2024	9:30:42 AM	1,819.5000	69	CEUX
Genmab A/S	17/06/2024	9:30:42 AM	1,819.5000	10	AQEU
Genmab A/S	17/06/2024	9:30:42 AM	1,819.5000	1	TQEX
Genmab A/S	17/06/2024	9:30:42 AM	1,819.5000	31	XCSE
Genmab A/S	17/06/2024	9:30:42 AM	1,819.5000	46	XCSE
Genmab A/S	17/06/2024	9:30:42 AM	1,819.5000	10	CEUX
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	20	CEUX
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	20	CEUX
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	2	AQEU
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	2	AQEU
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	2	AQEU
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	2	AQEU
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	2	AQEU
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	2	AQEU
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	2	AQEU
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	5	TQEX
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	20	CEUX
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	2	AQEU

8

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	2	AQEU
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	20	CEUX
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	2	AQEU
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	1	TQEX
Genmab A/S	17/06/2024	9:30:42 AM	1,819.0000	21	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	1	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	12	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	6	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	5	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	5	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	5	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	1	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	58	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	2	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	6	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	3	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	6	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	7	CEUX
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	11	XCSE
Genmab A/S	17/06/2024	9:33:34 AM	1,823.5000	4	XCSE
Genmab A/S	17/06/2024	9:35:11 AM	1,823.5000	4	XCSE
Genmab A/S	17/06/2024	9:35:52 AM	1,825.5000	13	XCSE
Genmab A/S	17/06/2024	9:35:52 AM	1,825.5000	92	XCSE
Genmab A/S	17/06/2024	9:35:52 AM	1,825.5000	13	CEUX
Genmab A/S	17/06/2024	9:35:52 AM	1,825.5000	13	CEUX
Genmab A/S	17/06/2024	9:35:52 AM	1,825.5000	13	XCSE
Genmab A/S	17/06/2024	9:35:52 AM	1,825.5000	13	CEUX

9

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:35:53 AM	1,825.5000	13	CEUX
Genmab A/S	17/06/2024	9:35:53 AM	1,825.5000	13	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	11	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	5	TQEX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	5	TQEX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	35	TQEX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	11	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	11	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	10	XCSE
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	86	XCSE
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	10	XCSE
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	16	XCSE
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	11	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	11	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	11	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	11	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	11	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	11	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	8	CEUX
Genmab A/S	17/06/2024	9:36:15 AM	1,825.5000	4	XCSE
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	10	XCSE
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	48	XCSE
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	52	CEUX
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	52	CEUX
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	52	CEUX
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	52	CEUX
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	17	CEUX
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	58	XCSE
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	15	XCSE
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	50	CEUX
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	2	CEUX
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	30	XCSE
Genmab A/S	17/06/2024	9:38:12 AM	1,825.0000	37	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	8	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	42	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	54	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	8	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	8	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	8	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	8	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	8	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	2	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	8	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	8	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	8	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	2	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	1	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	14	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	5	TQEX

10

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	14	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	5	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	14	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	5	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	14	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	7	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	106	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	7	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	17	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	38	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	7	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	6	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	9	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	2	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	18	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	6	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	2	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,823.0000	8	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	15	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	7	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	20	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	22	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	5	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	3	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	2	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	3	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	2	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	3	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	2	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	3	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	5	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	5	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	5	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	5	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	23	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	21	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	8	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	44	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	6	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	21	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	9	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	21	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	4	XCSE
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	6	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	9	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	12	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	2	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	3	AQEU
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	5	TQEX

11

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	5	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	3	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	7	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	20	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	3	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	5	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	5	TQEX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	43	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	10	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	11	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	34	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	3	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	7	CEUX
Genmab A/S	17/06/2024	9:40:39 AM	1,822.5000	25	CEUX
Genmab A/S	17/06/2024	9:44:02 AM	1,817.5000	2	CEUX
Genmab A/S	17/06/2024	9:44:02 AM	1,817.5000	19	CEUX
Genmab A/S	17/06/2024	9:44:02 AM	1,817.5000	5	TQEX
Genmab A/S	17/06/2024	9:44:02 AM	1,817.5000	23	XCSE
Genmab A/S	17/06/2024	9:44:02 AM	1,817.5000	45	XCSE
Genmab A/S	17/06/2024	9:44:02 AM	1,817.5000	10	XCSE
Genmab A/S	17/06/2024	9:44:02 AM	1,817.5000	18	CEUX
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	56	XCSE
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	51	CEUX
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	51	CEUX
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	8	AQEU
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	8	AQEU
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	7	TQEX
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	7	TQEX
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	56	XCSE
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	23	XCSE
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	21	CEUX
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	30	XCSE
Genmab A/S	17/06/2024	9:47:05 AM	1,818.5000	30	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	43	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	8	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	6	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	37	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	37	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	6	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	37	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	43	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	43	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	13	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	30	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	19	XCSE
Genmab A/S	17/06/2024	9:49:06 AM	1,821.0000	7	XCSE
Genmab A/S	17/06/2024	9:50:20 AM	1,818.0000	1	XCSE
Genmab A/S	17/06/2024	9:50:21 AM	1,818.0000	15	CEUX
Genmab A/S	17/06/2024	9:50:21 AM	1,818.0000	15	CEUX

12

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:50:21 AM	1,818.0000	2	AQEU
Genmab A/S	17/06/2024	9:50:21 AM	1,818.0000	5	TQEX
Genmab A/S	17/06/2024	9:50:21 AM	1,818.0000	5	TQEX
Genmab A/S	17/06/2024	9:50:21 AM	1,818.0000	13	XCSE
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	61	XCSE
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	9	XCSE
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	55	CEUX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	10	CEUX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	10	CEUX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	10	CEUX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	10	CEUX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	9	CEUX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	8	AQEU
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	1	AQEU
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	1	AQEU
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	8	AQEU
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	2	TQEX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	7	TQEX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	5	TQEX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	2	TQEX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	5	TQEX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	7	TQEX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	5	TQEX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	7	TQEX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	5	TQEX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	9	XCSE
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	34	XCSE
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	36	CEUX
Genmab A/S	17/06/2024	9:51:54 AM	1,818.5000	8	AQEU
Genmab A/S	17/06/2024	9:53:10 AM	1,818.0000	36	XCSE
Genmab A/S	17/06/2024	9:53:10 AM	1,818.0000	47	CEUX
Genmab A/S	17/06/2024	9:53:11 AM	1,818.0000	16	XCSE
Genmab A/S	17/06/2024	9:53:11 AM	1,818.0000	47	CEUX
Genmab A/S	17/06/2024	9:53:11 AM	1,818.0000	7	TQEX
Genmab A/S	17/06/2024	9:53:11 AM	1,818.0000	52	XCSE
Genmab A/S	17/06/2024	9:53:11 AM	1,818.0000	14	XCSE
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	10	XCSE
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	58	XCSE
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	10	CEUX
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	10	CEUX
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	8	CEUX
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	10	CEUX
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	10	CEUX
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	1	AQEU
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	8	AQEU
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	5	TQEX
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	8	TQEX
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	5	TQEX
Genmab A/S	17/06/2024	9:54:39 AM	1,817.0000	26	CEUX

13

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	9:54:40 AM	1,817.0000	26	CEUX
Genmab A/S	17/06/2024	9:54:40 AM	1,817.0000	17	CEUX
Genmab A/S	17/06/2024	9:54:40 AM	1,817.0000	10	CEUX
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	20	XCSE
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	46	XCSE
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	19	CEUX
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	19	CEUX
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	19	CEUX
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	3	CEUX
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	2	AQEU
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	8	AQEU
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	5	TQEX
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	17	TQEX
Genmab A/S	17/06/2024	9:55:04 AM	1,815.5000	5	TQEX
Genmab A/S	17/06/2024	9:55:04 AM	1,815.0000	21	XCSE
Genmab A/S	17/06/2024	9:55:04 AM	1,815.0000	20	XCSE
Genmab A/S	17/06/2024	9:55:04 AM	1,815.0000	42	XCSE
Genmab A/S	17/06/2024	9:55:04 AM	1,815.0000	46	XCSE
Genmab A/S	17/06/2024	9:55:05 AM	1,815.5000	46	XCSE
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	20	CEUX
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	20	CEUX
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	20	CEUX
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	20	CEUX
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	19	CEUX
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	20	CEUX
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	1	CEUX
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	2	AQEU
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	5	TQEX
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	5	TQEX
Genmab A/S	17/06/2024	9:55:05 AM	1,815.5000	7	XCSE
Genmab A/S	17/06/2024	9:55:05 AM	1,815.0000	17	CEUX
Genmab A/S	17/06/2024	9:58:11 AM	1,809.5000	20	XCSE
Genmab A/S	17/06/2024	9:58:11 AM	1,809.5000	23	XCSE
Genmab A/S	17/06/2024	9:58:11 AM	1,809.5000	12	CEUX
Genmab A/S	17/06/2024	9:58:11 AM	1,809.5000	7	CEUX
Genmab A/S	17/06/2024	9:58:11 AM	1,809.5000	2	AQEU
Genmab A/S	17/06/2024	9:58:11 AM	1,809.5000	5	TQEX
Genmab A/S	17/06/2024	10:00:08 AM	1,810.5000	8	XCSE

14

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:00:08 AM	1,810.5000	47	XCSE
Genmab A/S	17/06/2024	10:00:08 AM	1,810.5000	3	TQEX
Genmab A/S	17/06/2024	10:00:08 AM	1,810.5000	1	CEUX
Genmab A/S	17/06/2024	10:00:08 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:00:08 AM	1,810.5000	9	CEUX
Genmab A/S	17/06/2024	10:00:08 AM	1,810.5000	1	AQEU
Genmab A/S	17/06/2024	10:00:08 AM	1,810.5000	2	TQEX
Genmab A/S	17/06/2024	10:00:08 AM	1,810.5000	3	XCSE
Genmab A/S	17/06/2024	10:00:20 AM	1,809.5000	23	XCSE
Genmab A/S	17/06/2024	10:00:20 AM	1,809.5000	6	XCSE
Genmab A/S	17/06/2024	10:00:20 AM	1,809.5000	23	XCSE
Genmab A/S	17/06/2024	10:00:20 AM	1,809.5000	15	CEUX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	37	CEUX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	20	CEUX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	15	CEUX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	6	AQEU
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	6	AQEU
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	6	TQEX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	2	CEUX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	6	AQEU
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	6	AQEU
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	6	AQEU
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	6	AQEU
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	6	TQEX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	1	TQEX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	42	XCSE
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	42	XCSE
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	17	XCSE
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	19	CEUX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	6	AQEU
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	6	TQEX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	10	TQEX
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	12	XCSE
Genmab A/S	17/06/2024	10:01:18 AM	1,810.0000	7	XCSE
Genmab A/S	17/06/2024	10:02:23 AM	1,807.0000	89	CEUX
Genmab A/S	17/06/2024	10:02:23 AM	1,807.0000	13	AQEU
Genmab A/S	17/06/2024	10:02:23 AM	1,807.0000	13	TQEX
Genmab A/S	17/06/2024	10:02:23 AM	1,807.0000	98	XCSE
Genmab A/S	17/06/2024	10:03:52 AM	1,806.5000	22	CEUX
Genmab A/S	17/06/2024	10:03:52 AM	1,806.5000	22	CEUX
Genmab A/S	17/06/2024	10:03:52 AM	1,806.5000	4	TQEX
Genmab A/S	17/06/2024	10:04:22 AM	1,806.5000	43	CEUX
Genmab A/S	17/06/2024	10:04:22 AM	1,806.5000	51	XCSE
Genmab A/S	17/06/2024	10:04:22 AM	1,806.5000	7	XCSE
Genmab A/S	17/06/2024	10:04:22 AM	1,806.5000	9	CEUX
Genmab A/S	17/06/2024	10:04:22 AM	1,806.5000	8	AQEU
Genmab A/S	17/06/2024	10:04:22 AM	1,806.5000	8	TQEX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	20	CEUX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	51	XCSE

15

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	38	XCSE
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	4	XCSE
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	42	XCSE
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	27	CEUX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	11	CEUX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	36	CEUX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	20	CEUX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	10	CEUX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	7	AQEU
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	7	AQEU
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	7	AQEU
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	7	AQEU
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	7	AQEU
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	7	AQEU
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	2	AQEU
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	7	TQEX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	7	TQEX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	7	TQEX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	9	AQEU
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	9	TQEX
Genmab A/S	17/06/2024	10:06:23 AM	1,809.0000	7	TQEX
Genmab A/S	17/06/2024	10:08:52 AM	1,811.0000	25	CEUX
Genmab A/S	17/06/2024	10:08:52 AM	1,811.0000	43	CEUX
Genmab A/S	17/06/2024	10:08:52 AM	1,811.0000	10	AQEU
Genmab A/S	17/06/2024	10:08:52 AM	1,811.0000	10	TQEX
Genmab A/S	17/06/2024	10:08:52 AM	1,811.0000	60	XCSE
Genmab A/S	17/06/2024	10:08:52 AM	1,811.0000	75	XCSE
Genmab A/S	17/06/2024	10:08:52 AM	1,811.0000	21	XCSE
Genmab A/S	17/06/2024	10:08:52 AM	1,811.0000	39	XCSE
Genmab A/S	17/06/2024	10:08:52 AM	1,811.0000	11	XCSE
Genmab A/S	17/06/2024	10:08:52 AM	1,811.0000	36	XCSE
Genmab A/S	17/06/2024	10:10:25 AM	1,810.5000	21	CEUX
Genmab A/S	17/06/2024	10:10:25 AM	1,810.5000	6	CEUX
Genmab A/S	17/06/2024	10:10:25 AM	1,810.5000	4	TQEX
Genmab A/S	17/06/2024	10:10:25 AM	1,810.5000	28	XCSE
Genmab A/S	17/06/2024	10:10:25 AM	1,810.5000	2	XCSE
Genmab A/S	17/06/2024	10:10:25 AM	1,810.5000	15	XCSE
Genmab A/S	17/06/2024	10:10:25 AM	1,810.5000	17	CEUX
Genmab A/S	17/06/2024	10:10:25 AM	1,810.5000	4	AQEU
Genmab A/S	17/06/2024	10:10:25 AM	1,810.5000	1	TQEX
Genmab A/S	17/06/2024	10:10:25 AM	1,810.5000	4	TQEX
Genmab A/S	17/06/2024	10:11:28 AM	1,810.0000	24	XCSE
Genmab A/S	17/06/2024	10:12:00 AM	1,809.5000	22	XCSE
Genmab A/S	17/06/2024	10:12:55 AM	1,810.5000	74	CEUX
Genmab A/S	17/06/2024	10:12:55 AM	1,810.5000	70	CEUX
Genmab A/S	17/06/2024	10:12:55 AM	1,810.5000	21	AQEU
Genmab A/S	17/06/2024	10:12:55 AM	1,810.5000	22	TQEX
Genmab A/S	17/06/2024	10:12:55 AM	1,810.5000	161	XCSE
Genmab A/S	17/06/2024	10:12:55 AM	1,810.5000	6	XCSE

16

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:12:55 AM	1,810.5000	20	XCSE
Genmab A/S	17/06/2024	10:12:55 AM	1,810.5000	27	XCSE
Genmab A/S	17/06/2024	10:12:55 AM	1,810.5000	12	XCSE
Genmab A/S	17/06/2024	10:12:55 AM	1,810.5000	13	XCSE
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	3	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	36	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	1	TQEX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	7	TQEX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	XCSE
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	7	XCSE
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	2	XCSE
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	XCSE
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	XCSE
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	XCSE
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	18	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	5	CEUX
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	9	AQEU
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:15:04 AM	1,810.5000	2	TQEX
Genmab A/S	17/06/2024	10:16:25 AM	1,811.0000	19	XCSE
Genmab A/S	17/06/2024	10:16:25 AM	1,811.0000	4	XCSE
Genmab A/S	17/06/2024	10:16:25 AM	1,811.0000	4	XCSE
Genmab A/S	17/06/2024	10:16:25 AM	1,811.0000	19	XCSE
Genmab A/S	17/06/2024	10:17:24 AM	1,810.5000	10	XCSE
Genmab A/S	17/06/2024	10:17:31 AM	1,810.5000	15	XCSE
Genmab A/S	17/06/2024	10:17:31 AM	1,810.5000	10	XCSE
Genmab A/S	17/06/2024	10:17:31 AM	1,810.5000	25	XCSE
Genmab A/S	17/06/2024	10:17:31 AM	1,810.5000	25	XCSE
Genmab A/S	17/06/2024	10:17:31 AM	1,810.5000	25	XCSE
Genmab A/S	17/06/2024	10:17:31 AM	1,810.5000	3	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	3	CEUX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	17	CEUX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	5	CEUX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	CEUX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	13	CEUX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	4	CEUX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU

17

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	21	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	20	CEUX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	7	CEUX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	21	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	4	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	17	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	13	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	9	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	9	TQEX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	2	TQEX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	9	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,809.5000	9	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,809.5000	12	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,809.5000	2	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,809.5000	5	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,809.5000	13	XCSE
Genmab A/S	17/06/2024	10:18:34 AM	1,809.5000	21	CEUX
Genmab A/S	17/06/2024	10:18:34 AM	1,809.5000	2	AQEU
Genmab A/S	17/06/2024	10:18:34 AM	1,809.5000	5	TQEX
Genmab A/S	17/06/2024	10:18:34 AM	1,810.5000	9	XCSE
Genmab A/S	17/06/2024	10:20:02 AM	1,811.0000	43	XCSE
Genmab A/S	17/06/2024	10:20:02 AM	1,811.0000	39	CEUX
Genmab A/S	17/06/2024	10:20:02 AM	1,811.0000	6	TQEX
Genmab A/S	17/06/2024	10:21:54 AM	1,810.5000	21	XCSE
Genmab A/S	17/06/2024	10:21:54 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:21:54 AM	1,810.5000	21	XCSE
Genmab A/S	17/06/2024	10:21:54 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:21:54 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:21:54 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:21:54 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	20	XCSE
Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	1	XCSE
Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	8	CEUX

18

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	3	CEUX
Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	1	AQEU
Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	1	TQEX
Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	21	XCSE
Genmab A/S	17/06/2024	10:21:55 AM	1,810.5000	12	XCSE
Genmab A/S	17/06/2024	10:21:56 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:21:56 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:21:56 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:21:56 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:21:56 AM	1,810.5000	21	XCSE
Genmab A/S	17/06/2024	10:23:43 AM	1,811.0000	37	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	3	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	1	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	1	AQEU
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	1	AQEU
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	6	TQEX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	11	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	5	TQEX

19

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	2	CEUX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	5	TQEX
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:51 AM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	10:23:52 AM	1,810.5000	9	AQEU
Genmab A/S	17/06/2024	10:23:52 AM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	10:23:52 AM	1,810.5000	9	TQEX
Genmab A/S	17/06/2024	10:23:52 AM	1,810.5000	2	TQEX
Genmab A/S	17/06/2024	10:23:52 AM	1,810.5000	20	XCSE
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	38	CEUX
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	3	CEUX
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	7	CEUX
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	6	AQEU
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	1	TQEX
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	5	TQEX
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	42	XCSE
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	5	XCSE
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	5	XCSE
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	36	CEUX
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	24	CEUX
Genmab A/S	17/06/2024	10:25:03 AM	1,811.0000	18	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	19	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	19	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	2	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	2	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	2	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	2	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	5	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	17	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	5	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	20	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	39	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	4	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	12	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	7	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	20	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	12	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	2	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	3	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	2	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	3	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	1	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	3	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	2	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	4	TQEX

20

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	19	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	22	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	17	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	10	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	10	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	2	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	3	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	2	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	3	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	2	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	2	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	1	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	5	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	46	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	22	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	45	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	6	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	45	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	19	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,809.0000	7	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	5	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	13	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	12	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	50	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	8	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.5000	9	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	23	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	23	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	8	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	8	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	3	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	5	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	5	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	3	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	5	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	13	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	4	XCSE
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	5	CEUX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	3	AQEU
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	5	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	26	TQEX
Genmab A/S	17/06/2024	10:26:55 AM	1,808.0000	35	CEUX
Genmab A/S	17/06/2024	10:32:41 AM	1,806.0000	27	XCSE
Genmab A/S	17/06/2024	10:32:41 AM	1,806.0000	20	CEUX
Genmab A/S	17/06/2024	10:32:41 AM	1,806.0000	15	TQEX
Genmab A/S	17/06/2024	10:32:42 AM	1,806.0000	27	XCSE
Genmab A/S	17/06/2024	10:32:42 AM	1,806.0000	23	XCSE
Genmab A/S	17/06/2024	10:32:42 AM	1,806.0000	9	XCSE
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	42	CEUX

21

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	3	CEUX
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	6	AQEU
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	6	AQEU
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	7	TQEX
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	7	TQEX
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	47	XCSE
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	49	XCSE
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	7	TQEX
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	39	CEUX
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	2	CEUX
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	6	AQEU
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	6	AQEU
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	7	TQEX
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	7	TQEX
Genmab A/S	17/06/2024	10:33:43 AM	1,806.0000	31	CEUX
Genmab A/S	17/06/2024	10:35:11 AM	1,805.5000	36	XCSE
Genmab A/S	17/06/2024	10:35:11 AM	1,805.5000	33	CEUX
Genmab A/S	17/06/2024	10:36:13 AM	1,805.0000	10	XCSE
Genmab A/S	17/06/2024	10:36:13 AM	1,805.0000	46	XCSE
Genmab A/S	17/06/2024	10:36:13 AM	1,805.0000	46	XCSE
Genmab A/S	17/06/2024	10:36:13 AM	1,805.0000	10	XCSE
Genmab A/S	17/06/2024	10:36:13 AM	1,805.0000	46	XCSE
Genmab A/S	17/06/2024	10:38:12 AM	1,806.5000	9	XCSE
Genmab A/S	17/06/2024	10:38:12 AM	1,806.5000	9	XCSE
Genmab A/S	17/06/2024	10:38:12 AM	1,806.5000	53	XCSE
Genmab A/S	17/06/2024	10:38:12 AM	1,806.5000	47	XCSE
Genmab A/S	17/06/2024	10:38:14 AM	1,806.5000	12	CEUX
Genmab A/S	17/06/2024	10:38:14 AM	1,806.5000	12	XCSE
Genmab A/S	17/06/2024	10:38:15 AM	1,806.5000	12	CEUX
Genmab A/S	17/06/2024	10:38:15 AM	1,806.5000	12	XCSE
Genmab A/S	17/06/2024	10:38:15 AM	1,806.5000	12	CEUX
Genmab A/S	17/06/2024	10:38:15 AM	1,806.5000	12	CEUX
Genmab A/S	17/06/2024	10:38:15 AM	1,806.5000	12	XCSE
Genmab A/S	17/06/2024	10:38:15 AM	1,806.5000	12	XCSE
Genmab A/S	17/06/2024	10:38:15 AM	1,806.5000	1	CEUX
Genmab A/S	17/06/2024	10:38:15 AM	1,806.5000	5	CEUX
Genmab A/S	17/06/2024	10:39:07 AM	1,807.0000	1	XCSE
Genmab A/S	17/06/2024	10:39:14 AM	1,807.0000	5	XCSE
Genmab A/S	17/06/2024	10:39:15 AM	1,807.0000	17	XCSE
Genmab A/S	17/06/2024	10:39:15 AM	1,807.0000	23	XCSE
Genmab A/S	17/06/2024	10:39:15 AM	1,807.0000	42	CEUX
Genmab A/S	17/06/2024	10:39:15 AM	1,807.0000	7	TQEX
Genmab A/S	17/06/2024	10:39:15 AM	1,807.0000	6	CEUX
Genmab A/S	17/06/2024	10:39:42 AM	1,806.5000	13	CEUX
Genmab A/S	17/06/2024	10:39:42 AM	1,806.5000	4	CEUX
Genmab A/S	17/06/2024	10:39:42 AM	1,806.5000	2	AQEU
Genmab A/S	17/06/2024	10:39:42 AM	1,806.5000	17	CEUX
Genmab A/S	17/06/2024	10:39:42 AM	1,806.5000	11	CEUX
Genmab A/S	17/06/2024	10:39:42 AM	1,806.5000	2	CEUX

22

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:39:42 AM	1,806.5000	5	TQEX
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	42	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	55	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	31	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	31	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	11	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	20	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	30	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	21	CEUX
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	20	CEUX
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	3	AQEU
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	2	AQEU
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	2	AQEU
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	5	TQEX
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	5	TQEX
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	5	TQEX
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	5	TQEX
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	77	CEUX
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	5	AQEU
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	6	AQEU
Genmab A/S	17/06/2024	10:40:17 AM	1,806.5000	12	TQEX
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	9	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	14	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	18	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	3	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	23	XCSE
Genmab A/S	17/06/2024	10:40:17 AM	1,806.0000	9	XCSE
Genmab A/S	17/06/2024	10:40:43 AM	1,803.0000	51	XCSE
Genmab A/S	17/06/2024	10:40:43 AM	1,803.0000	62	XCSE
Genmab A/S	17/06/2024	10:40:43 AM	1,803.5000	45	XCSE
Genmab A/S	17/06/2024	10:40:43 AM	1,803.5000	124	XCSE
Genmab A/S	17/06/2024	10:40:43 AM	1,803.0000	48	XCSE
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	10	XCSE
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	38	XCSE
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	11	CEUX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	4	CEUX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	7	CEUX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	11	CEUX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	11	CEUX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	1	CEUX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	1	AQEU
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	36	CEUX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	14	CEUX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	13	CEUX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	4	CEUX
Genmab A/S	17/06/2024	10:46:28 AM	1,802.5000	4	XCSE

23

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:49:05 AM	1,803.0000	10	CEUX
Genmab A/S	17/06/2024	10:49:05 AM	1,803.0000	10	CEUX
Genmab A/S	17/06/2024	10:49:05 AM	1,803.0000	10	CEUX
Genmab A/S	17/06/2024	10:49:05 AM	1,803.0000	5	TQEX
Genmab A/S	17/06/2024	10:49:05 AM	1,803.0000	10	XCSE
Genmab A/S	17/06/2024	10:49:05 AM	1,803.0000	10	XCSE
Genmab A/S	17/06/2024	10:49:05 AM	1,803.0000	3	CEUX
Genmab A/S	17/06/2024	10:49:05 AM	1,803.0000	4	CEUX
Genmab A/S	17/06/2024	10:49:05 AM	1,803.0000	10	XCSE
Genmab A/S	17/06/2024	10:49:07 AM	1,803.0000	3	CEUX
Genmab A/S	17/06/2024	10:49:07 AM	1,803.0000	10	XCSE
Genmab A/S	17/06/2024	10:49:07 AM	1,803.0000	10	CEUX
Genmab A/S	17/06/2024	10:49:07 AM	1,803.0000	10	CEUX
Genmab A/S	17/06/2024	10:49:07 AM	1,803.0000	5	TQEX
Genmab A/S	17/06/2024	10:49:07 AM	1,803.0000	10	CEUX
Genmab A/S	17/06/2024	10:49:07 AM	1,803.0000	10	XCSE
Genmab A/S	17/06/2024	10:49:07 AM	1,803.0000	13	XCSE
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	41	CEUX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	8	CEUX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	8	CEUX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	8	CEUX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	8	CEUX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	8	CEUX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	5	CEUX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	7	TQEX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	5	TQEX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	9	TQEX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	46	XCSE
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	8	XCSE
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	2	AQEU
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	5	TQEX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	7	TQEX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	5	TQEX
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	6	XCSE
Genmab A/S	17/06/2024	10:49:28 AM	1,802.0000	22	XCSE
Genmab A/S	17/06/2024	10:50:51 AM	1,805.5000	40	CEUX
Genmab A/S	17/06/2024	10:51:35 AM	1,805.5000	92	XCSE
Genmab A/S	17/06/2024	10:51:35 AM	1,805.5000	60	XCSE
Genmab A/S	17/06/2024	10:51:35 AM	1,805.0000	14	CEUX
Genmab A/S	17/06/2024	10:51:35 AM	1,805.0000	3	CEUX
Genmab A/S	17/06/2024	10:51:35 AM	1,805.0000	17	CEUX
Genmab A/S	17/06/2024	10:51:35 AM	1,805.0000	17	CEUX
Genmab A/S	17/06/2024	10:51:35 AM	1,805.0000	14	CEUX
Genmab A/S	17/06/2024	10:51:35 AM	1,805.0000	2	AQEU
Genmab A/S	17/06/2024	10:51:35 AM	1,805.0000	2	AQEU
Genmab A/S	17/06/2024	10:51:35 AM	1,805.0000	5	TQEX
Genmab A/S	17/06/2024	10:51:37 AM	1,805.0000	54	XCSE
Genmab A/S	17/06/2024	10:51:37 AM	1,805.0000	17	XCSE
Genmab A/S	17/06/2024	10:51:37 AM	1,805.0000	17	XCSE

24

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	10:52:07 AM	1,803.5000	53	XCSE
Genmab A/S	17/06/2024	10:52:07 AM	1,803.5000	120	XCSE
Genmab A/S	17/06/2024	10:52:07 AM	1,803.0000	13	CEUX
Genmab A/S	17/06/2024	10:52:07 AM	1,803.0000	5	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	29	CEUX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	26	CEUX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	3	CEUX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	26	CEUX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	29	CEUX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	AQEU
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	AQEU
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	17	CEUX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	20	XCSE
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	11	XCSE
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	20	XCSE
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	11	XCSE
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	31	XCSE
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	8	XCSE
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	30	XCSE
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	12	XCSE
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	AQEU
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	AQEU
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	17	CEUX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	5	CEUX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	1	TQEX
Genmab A/S	17/06/2024	10:55:33 AM	1,803.5000	2	CEUX
Genmab A/S	17/06/2024	10:55:33 AM	1,802.5000	14	XCSE
Genmab A/S	17/06/2024	10:58:05 AM	1,803.5000	2	AQEU
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	16	XCSE
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	25	XCSE
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	25	XCSE
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	25	XCSE
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	12	XCSE
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	4	XCSE
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	4	XCSE
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	15	CEUX
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	17	CEUX
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	6	CEUX
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	2	AQEU
Genmab A/S	17/06/2024	10:58:45 AM	1,803.5000	4	TQEX

25

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	50	XCSE
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	14	XCSE
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	37	XCSE
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	37	XCSE
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	27	XCSE
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	18	CEUX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	40	CEUX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	18	CEUX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	58	CEUX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	53	CEUX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	8	AQEU
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	8	AQEU
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	8	AQEU
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	8	AQEU
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	9	TQEX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	9	TQEX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	9	TQEX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	9	TQEX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	9	TQEX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	1	TQEX
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	33	XCSE
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	4	XCSE
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	4	XCSE
Genmab A/S	17/06/2024	11:01:04 AM	1,804.0000	12	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	27	XCSE
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	57	XCSE
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	38	XCSE
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	33	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	43	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	27	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	2	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	47	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	1	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	11	AQEU
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	11	AQEU
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	9	AQEU
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	12	TQEX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	6	TQEX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	6	TQEX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	12	TQEX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	47	XCSE
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	21	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,803.0000	2	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	11:05:30 AM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	11:05:30 AM	1,802.5000	21	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,802.5000	5	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,802.5000	14	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,802.5000	5	CEUX

26

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	11:05:30 AM	1,802.5000	8	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,802.5000	8	CEUX
Genmab A/S	17/06/2024	11:05:30 AM	1,802.5000	2	AQEU
Genmab A/S	17/06/2024	11:05:30 AM	1,802.5000	2	AQEU
Genmab A/S	17/06/2024	11:10:04 AM	1,804.0000	27	CEUX
Genmab A/S	17/06/2024	11:10:04 AM	1,804.0000	27	CEUX
Genmab A/S	17/06/2024	11:10:04 AM	1,804.0000	27	CEUX
Genmab A/S	17/06/2024	11:10:04 AM	1,804.0000	12	CEUX
Genmab A/S	17/06/2024	11:10:04 AM	1,804.0000	4	AQEU
Genmab A/S	17/06/2024	11:10:04 AM	1,804.0000	40	AQEU
Genmab A/S	17/06/2024	11:10:04 AM	1,804.0000	5	TQEX
Genmab A/S	17/06/2024	11:10:04 AM	1,804.0000	41	TQEX
Genmab A/S	17/06/2024	11:10:04 AM	1,804.0000	29	XCSE
Genmab A/S	17/06/2024	11:10:04 AM	1,804.0000	89	XCSE
Genmab A/S	17/06/2024	11:10:05 AM	1,804.0000	29	XCSE
Genmab A/S	17/06/2024	11:12:33 AM	1,803.0000	80	XCSE
Genmab A/S	17/06/2024	11:12:33 AM	1,802.5000	10	CEUX
Genmab A/S	17/06/2024	11:12:33 AM	1,802.5000	11	CEUX
Genmab A/S	17/06/2024	11:12:33 AM	1,802.5000	2	CEUX
Genmab A/S	17/06/2024	11:12:33 AM	1,802.5000	3	AQEU
Genmab A/S	17/06/2024	11:12:33 AM	1,802.5000	2	AQEU
Genmab A/S	17/06/2024	11:12:33 AM	1,803.0000	72	CEUX
Genmab A/S	17/06/2024	11:12:33 AM	1,803.0000	11	AQEU
Genmab A/S	17/06/2024	11:12:33 AM	1,803.0000	11	TQEX
Genmab A/S	17/06/2024	11:12:33 AM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	11:12:33 AM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	11:12:33 AM	1,802.5000	22	XCSE
Genmab A/S	17/06/2024	11:12:33 AM	1,802.5000	20	XCSE
Genmab A/S	17/06/2024	11:12:33 AM	1,802.5000	11	CEUX
Genmab A/S	17/06/2024	11:12:34 AM	1,802.5000	22	XCSE
Genmab A/S	17/06/2024	11:12:34 AM	1,802.5000	9	XCSE
Genmab A/S	17/06/2024	11:16:27 AM	1,803.0000	25	CEUX
Genmab A/S	17/06/2024	11:16:27 AM	1,803.0000	10	CEUX
Genmab A/S	17/06/2024	11:16:47 AM	1,803.0000	24	CEUX
Genmab A/S	17/06/2024	11:16:47 AM	1,803.0000	2	AQEU
Genmab A/S	17/06/2024	11:16:47 AM	1,803.0000	5	TQEX
Genmab A/S	17/06/2024	11:17:00 AM	1,803.0000	12	CEUX
Genmab A/S	17/06/2024	11:17:00 AM	1,803.0000	11	AQEU
Genmab A/S	17/06/2024	11:17:00 AM	1,803.0000	11	TQEX
Genmab A/S	17/06/2024	11:17:00 AM	1,803.0000	1	XCSE
Genmab A/S	17/06/2024	11:17:10 AM	1,802.5000	26	CEUX
Genmab A/S	17/06/2024	11:17:10 AM	1,802.5000	16	CEUX
Genmab A/S	17/06/2024	11:17:10 AM	1,802.5000	29	CEUX
Genmab A/S	17/06/2024	11:17:10 AM	1,802.5000	7	TQEX
Genmab A/S	17/06/2024	11:17:10 AM	1,802.5000	7	TQEX
Genmab A/S	17/06/2024	11:17:10 AM	1,802.5000	46	XCSE
Genmab A/S	17/06/2024	11:17:10 AM	1,802.5000	31	XCSE
Genmab A/S	17/06/2024	11:17:10 AM	1,802.0000	20	CEUX
Genmab A/S	17/06/2024	11:17:10 AM	1,802.0000	20	CEUX

27

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	11:17:10 AM	1,802.0000	3	AQEU
Genmab A/S	17/06/2024	11:17:10 AM	1,802.0000	5	TQEX
Genmab A/S	17/06/2024	11:17:10 AM	1,802.0000	11	XCSE
Genmab A/S	17/06/2024	11:17:10 AM	1,802.0000	11	XCSE
Genmab A/S	17/06/2024	11:17:10 AM	1,802.5000	30	XCSE
Genmab A/S	17/06/2024	11:17:10 AM	1,802.5000	38	XCSE
Genmab A/S	17/06/2024	11:17:10 AM	1,802.5000	8	XCSE
Genmab A/S	17/06/2024	11:17:10 AM	1,802.0000	20	CEUX
Genmab A/S	17/06/2024	11:18:40 AM	1,801.5000	22	XCSE
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	55	CEUX
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	50	CEUX
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	5	CEUX
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	4	CEUX
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	8	AQEU
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	9	TQEX
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	23	TQEX
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	9	TQEX
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	62	XCSE
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	5	XCSE
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	50	XCSE
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	7	XCSE
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	2	XCSE
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	27	CEUX
Genmab A/S	17/06/2024	11:20:05 AM	1,803.5000	9	AQEU
Genmab A/S	17/06/2024	11:20:06 AM	1,803.0000	63	XCSE
Genmab A/S	17/06/2024	11:20:06 AM	1,803.0000	7	XCSE
Genmab A/S	17/06/2024	11:20:07 AM	1,803.0000	13	XCSE
Genmab A/S	17/06/2024	11:23:26 AM	1,803.5000	6	CEUX
Genmab A/S	17/06/2024	11:23:48 AM	1,803.5000	27	XCSE
Genmab A/S	17/06/2024	11:23:48 AM	1,803.5000	8	XCSE
Genmab A/S	17/06/2024	11:23:48 AM	1,803.5000	31	XCSE
Genmab A/S	17/06/2024	11:23:48 AM	1,803.5000	53	XCSE
Genmab A/S	17/06/2024	11:23:48 AM	1,803.5000	19	CEUX
Genmab A/S	17/06/2024	11:23:48 AM	1,803.5000	8	CEUX
Genmab A/S	17/06/2024	11:24:33 AM	1,807.0000	24	XCSE
Genmab A/S	17/06/2024	11:24:33 AM	1,807.0000	38	XCSE
Genmab A/S	17/06/2024	11:24:33 AM	1,807.0000	24	XCSE
Genmab A/S	17/06/2024	11:24:34 AM	1,807.0000	24	XCSE
Genmab A/S	17/06/2024	11:24:34 AM	1,807.0000	12	XCSE
Genmab A/S	17/06/2024	11:24:39 AM	1,805.5000	21	XCSE
Genmab A/S	17/06/2024	11:24:41 AM	1,805.5000	23	XCSE
Genmab A/S	17/06/2024	11:24:41 AM	1,805.5000	44	XCSE
Genmab A/S	17/06/2024	11:24:41 AM	1,805.5000	44	XCSE
Genmab A/S	17/06/2024	11:24:41 AM	1,805.5000	12	XCSE
Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	11	XCSE
Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	33	XCSE
Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	11	XCSE
Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	64	XCSE

28

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	11	XCSE
Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	64	XCSE
Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	11	CEUX
Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	11	CEUX
Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	2	CEUX
Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	11	XCSE
Genmab A/S	17/06/2024	11:28:26 AM	1,805.5000	26	XCSE
Genmab A/S	17/06/2024	11:28:32 AM	1,805.5000	5	CEUX
Genmab A/S	17/06/2024	11:28:32 AM	1,805.5000	11	XCSE
Genmab A/S	17/06/2024	11:28:33 AM	1,805.5000	11	XCSE
Genmab A/S	17/06/2024	11:29:23 AM	1,805.5000	16	XCSE
Genmab A/S	17/06/2024	11:29:29 AM	1,805.0000	52	XCSE
Genmab A/S	17/06/2024	11:31:20 AM	1,805.0000	9	CEUX
Genmab A/S	17/06/2024	11:31:20 AM	1,805.0000	7	TQEX
Genmab A/S	17/06/2024	11:31:20 AM	1,805.0000	5	TQEX
Genmab A/S	17/06/2024	11:31:20 AM	1,805.0000	50	XCSE
Genmab A/S	17/06/2024	11:31:20 AM	1,805.0000	4	XCSE
Genmab A/S	17/06/2024	11:31:20 AM	1,805.0000	36	XCSE
Genmab A/S	17/06/2024	11:31:20 AM	1,805.0000	73	CEUX
Genmab A/S	17/06/2024	11:31:20 AM	1,805.0000	12	CEUX
Genmab A/S	17/06/2024	11:32:29 AM	1,804.5000	44	XCSE
Genmab A/S	17/06/2024	11:32:29 AM	1,804.5000	19	XCSE
Genmab A/S	17/06/2024	11:32:30 AM	1,804.5000	57	CEUX
Genmab A/S	17/06/2024	11:33:05 AM	1,804.5000	26	CEUX
Genmab A/S	17/06/2024	11:33:05 AM	1,804.5000	70	CEUX
Genmab A/S	17/06/2024	11:33:05 AM	1,804.5000	14	TQEX
Genmab A/S	17/06/2024	11:33:05 AM	1,804.5000	106	XCSE
Genmab A/S	17/06/2024	11:33:05 AM	1,804.5000	14	CEUX
Genmab A/S	17/06/2024	11:35:26 AM	1,803.5000	84	XCSE
Genmab A/S	17/06/2024	11:35:26 AM	1,803.5000	138	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,804.0000	70	CEUX
Genmab A/S	17/06/2024	11:38:14 AM	1,804.0000	91	CEUX
Genmab A/S	17/06/2024	11:38:14 AM	1,804.0000	10	AQEU
Genmab A/S	17/06/2024	11:38:14 AM	1,804.0000	13	AQEU
Genmab A/S	17/06/2024	11:38:14 AM	1,804.0000	11	TQEX
Genmab A/S	17/06/2024	11:38:14 AM	1,804.0000	14	TQEX
Genmab A/S	17/06/2024	11:38:14 AM	1,804.0000	77	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,804.0000	102	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	22	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	42	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	1	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	22	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	23	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	20	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	22	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	1	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	6	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	2	XCSE
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	2	XCSE

29

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	2	CEUX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	2	AQEU
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	1	AQEU
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	2	AQEU
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	27	CEUX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	9	AQEU
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	11	TQEX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	2	TQEX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	11	TQEX
Genmab A/S	17/06/2024	11:38:14 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	11:40:09 AM	1,802.5000	18	CEUX
Genmab A/S	17/06/2024	11:40:09 AM	1,802.5000	13	XCSE
Genmab A/S	17/06/2024	11:44:36 AM	1,804.0000	26	XCSE
Genmab A/S	17/06/2024	11:44:39 AM	1,804.0000	13	XCSE
Genmab A/S	17/06/2024	11:44:39 AM	1,804.0000	35	CEUX
Genmab A/S	17/06/2024	11:44:39 AM	1,804.0000	10	CEUX
Genmab A/S	17/06/2024	11:44:39 AM	1,804.0000	5	CEUX
Genmab A/S	17/06/2024	11:45:09 AM	1,804.0000	11	CEUX
Genmab A/S	17/06/2024	11:45:09 AM	1,804.0000	11	CEUX
Genmab A/S	17/06/2024	11:45:09 AM	1,804.0000	11	XCSE
Genmab A/S	17/06/2024	11:45:09 AM	1,804.0000	11	XCSE
Genmab A/S	17/06/2024	11:45:09 AM	1,804.0000	13	XCSE
Genmab A/S	17/06/2024	11:45:09 AM	1,804.0000	11	XCSE
Genmab A/S	17/06/2024	11:45:09 AM	1,804.0000	11	CEUX
Genmab A/S	17/06/2024	11:45:09 AM	1,804.0000	3	CEUX
Genmab A/S	17/06/2024	11:45:09 AM	1,804.0000	11	CEUX
Genmab A/S	17/06/2024	11:46:03 AM	1,804.0000	42	XCSE
Genmab A/S	17/06/2024	11:47:06 AM	1,804.0000	8	CEUX
Genmab A/S	17/06/2024	11:47:06 AM	1,804.0000	8	CEUX
Genmab A/S	17/06/2024	11:47:06 AM	1,804.0000	5	TQEX
Genmab A/S	17/06/2024	11:47:06 AM	1,804.0000	8	CEUX
Genmab A/S	17/06/2024	11:47:06 AM	1,804.0000	8	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	39	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	124	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	7	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	CEUX

30

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	3	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	5	AQEU
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	16	AQEU
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	2	AQEU
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	1	AQEU
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	18	AQEU
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	36	TQEX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	5	TQEX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	25	TQEX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	121	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	50	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	11	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	16	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	8	XCSE
Genmab A/S	17/06/2024	11:48:14 AM	1,803.0000	9	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	22	CEUX
Genmab A/S	17/06/2024	11:48:14 AM	1,803.5000	3	CEUX
Genmab A/S	17/06/2024	11:54:32 AM	1,803.0000	10	CEUX
Genmab A/S	17/06/2024	11:54:32 AM	1,803.0000	6	CEUX
Genmab A/S	17/06/2024	11:54:32 AM	1,803.0000	10	AQEU
Genmab A/S	17/06/2024	11:54:32 AM	1,803.0000	10	TQEX
Genmab A/S	17/06/2024	11:54:55 AM	1,803.0000	1	CEUX
Genmab A/S	17/06/2024	11:54:55 AM	1,803.0000	4	CEUX
Genmab A/S	17/06/2024	11:54:55 AM	1,803.0000	27	CEUX
Genmab A/S	17/06/2024	11:54:55 AM	1,803.0000	6	CEUX
Genmab A/S	17/06/2024	11:55:25 AM	1,803.0000	2	CEUX
Genmab A/S	17/06/2024	11:55:25 AM	1,803.0000	33	CEUX
Genmab A/S	17/06/2024	11:55:25 AM	1,803.0000	3	CEUX
Genmab A/S	17/06/2024	11:55:45 AM	1,803.0000	9	CEUX
Genmab A/S	17/06/2024	11:55:45 AM	1,803.0000	6	CEUX
Genmab A/S	17/06/2024	11:55:45 AM	1,803.0000	14	AQEU
Genmab A/S	17/06/2024	11:57:53 AM	1,805.5000	47	XCSE
Genmab A/S	17/06/2024	11:57:53 AM	1,805.5000	38	XCSE
Genmab A/S	17/06/2024	11:57:53 AM	1,805.5000	9	XCSE
Genmab A/S	17/06/2024	11:57:53 AM	1,805.5000	38	XCSE
Genmab A/S	17/06/2024	11:57:53 AM	1,805.5000	47	XCSE
Genmab A/S	17/06/2024	11:57:53 AM	1,805.5000	43	XCSE
Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	48	XCSE
Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	2	XCSE
Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	50	XCSE
Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	49	XCSE
Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	48	XCSE

31

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	2	XCSE
Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	50	XCSE
Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	11	TQEX
Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	3	TQEX
Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	91	CEUX
Genmab A/S	17/06/2024	11:57:56 AM	1,805.0000	13	AQEU
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	21	CEUX
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	19	CEUX
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	21	CEUX
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	19	CEUX
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	21	CEUX
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	19	CEUX
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	1	CEUX
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	6	CEUX
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	2	AQEU
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	2	AQEU
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	2	AQEU
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	21	XCSE
Genmab A/S	17/06/2024	11:57:56 AM	1,804.5000	20	XCSE
Genmab A/S	17/06/2024	12:02:54 PM	1,803.0000	16	CEUX
Genmab A/S	17/06/2024	12:03:55 PM	1,804.0000	28	XCSE
Genmab A/S	17/06/2024	12:03:55 PM	1,804.0000	7	XCSE
Genmab A/S	17/06/2024	12:03:55 PM	1,804.0000	1	XCSE
Genmab A/S	17/06/2024	12:04:16 PM	1,804.0000	5	CEUX
Genmab A/S	17/06/2024	12:04:16 PM	1,804.0000	27	CEUX
Genmab A/S	17/06/2024	12:04:16 PM	1,804.0000	2	TQEX
Genmab A/S	17/06/2024	12:04:16 PM	1,804.0000	2	XCSE
Genmab A/S	17/06/2024	12:04:36 PM	1,804.0000	14	CEUX
Genmab A/S	17/06/2024	12:04:36 PM	1,804.0000	14	CEUX
Genmab A/S	17/06/2024	12:04:36 PM	1,804.0000	2	TQEX
Genmab A/S	17/06/2024	12:04:36 PM	1,804.0000	8	TQEX
Genmab A/S	17/06/2024	12:05:01 PM	1,804.0000	8	TQEX
Genmab A/S	17/06/2024	12:05:01 PM	1,804.0000	2	TQEX
Genmab A/S	17/06/2024	12:05:01 PM	1,804.0000	14	TQEX
Genmab A/S	17/06/2024	12:05:01 PM	1,804.0000	10	TQEX
Genmab A/S	17/06/2024	12:05:01 PM	1,804.0000	6	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	36	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	32	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	32	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	16	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	5	TQEX
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	5	TQEX
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	5	AQEU
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	36	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	15	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	50	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	28	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,803.0000	29	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	21	CEUX

32

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	11	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	11	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	11	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	10	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	12	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	10	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	17	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	5	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	9	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	3	AQEU
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	3	AQEU
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	3	AQEU
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	3	AQEU
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	3	AQEU
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	3	AQEU
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	5	TQEX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	12	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	11	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	23	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	30	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	9	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	23	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	2	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	13	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.0000	22	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.0000	15	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.0000	2	AQEU
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	52	TQEX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	14	TQEX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.0000	3	CEUX
Genmab A/S	17/06/2024	12:05:02 PM	1,802.0000	23	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	30	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.5000	36	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.0000	16	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.0000	7	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.0000	18	XCSE
Genmab A/S	17/06/2024	12:05:02 PM	1,802.0000	5	XCSE
Genmab A/S	17/06/2024	12:06:19 PM	1,798.0000	18	XCSE
Genmab A/S	17/06/2024	12:06:19 PM	1,798.0000	12	XCSE
Genmab A/S	17/06/2024	12:06:19 PM	1,798.0000	18	XCSE
Genmab A/S	17/06/2024	12:06:19 PM	1,798.0000	18	CEUX
Genmab A/S	17/06/2024	12:06:19 PM	1,798.0000	5	TQEX
Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	20	CEUX
Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	6	CEUX

33

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	6	CEUX
Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	14	CEUX
Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	9	CEUX
Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	3	AQEU
Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	5	TQEX
Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	1	TQEX
Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	5	TQEX
Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	22	XCSE
Genmab A/S	17/06/2024	12:10:36 PM	1,796.5000	14	XCSE
Genmab A/S	17/06/2024	12:10:37 PM	1,796.5000	40	XCSE
Genmab A/S	17/06/2024	12:10:37 PM	1,796.5000	10	XCSE
Genmab A/S	17/06/2024	12:10:37 PM	1,796.5000	10	XCSE
Genmab A/S	17/06/2024	12:14:39 PM	1,796.0000	27	XCSE
Genmab A/S	17/06/2024	12:14:40 PM	1,796.0000	27	XCSE
Genmab A/S	17/06/2024	12:15:51 PM	1,795.5000	4	XCSE
Genmab A/S	17/06/2024	12:15:51 PM	1,795.5000	5	XCSE
Genmab A/S	17/06/2024	12:16:33 PM	1,795.5000	8	CEUX
Genmab A/S	17/06/2024	12:16:33 PM	1,795.5000	1	CEUX
Genmab A/S	17/06/2024	12:16:33 PM	1,795.5000	8	CEUX
Genmab A/S	17/06/2024	12:16:33 PM	1,795.5000	1	AQEU
Genmab A/S	17/06/2024	12:16:33 PM	1,795.5000	1	AQEU
Genmab A/S	17/06/2024	12:16:33 PM	1,795.5000	5	TQEX
Genmab A/S	17/06/2024	12:16:33 PM	1,795.5000	1	TQEX
Genmab A/S	17/06/2024	12:16:33 PM	1,795.5000	5	TQEX
Genmab A/S	17/06/2024	12:16:33 PM	1,795.5000	7	XCSE
Genmab A/S	17/06/2024	12:16:33 PM	1,795.5000	5	XCSE
Genmab A/S	17/06/2024	12:17:09 PM	1,796.0000	108	XCSE
Genmab A/S	17/06/2024	12:17:11 PM	1,796.0000	58	XCSE
Genmab A/S	17/06/2024	12:17:13 PM	1,796.0000	41	XCSE
Genmab A/S	17/06/2024	12:17:13 PM	1,796.0000	27	XCSE
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	21	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	21	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	13	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	17	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	17	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	17	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	14	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	42	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	35	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	5	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	1	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	5	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	19	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	5	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	24	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	9	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	23	XCSE
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	38	XCSE

34

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	18	XCSE
Genmab A/S	17/06/2024	12:17:42 PM	1,794.5000	51	XCSE
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	20	XCSE
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	20	XCSE
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	19	XCSE
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	17	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	16	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	5	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	5	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	5	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	2	AQEU
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	7	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	2	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	3	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	5	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	2	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	5	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	7	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,794.0000	5	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	23	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	15	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	6	CEUX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	3	TQEX
Genmab A/S	17/06/2024	12:17:42 PM	1,793.5000	16	XCSE
Genmab A/S	17/06/2024	12:24:03 PM	1,790.5000	1	XCSE
Genmab A/S	17/06/2024	12:24:03 PM	1,790.5000	89	CEUX
Genmab A/S	17/06/2024	12:24:03 PM	1,790.5000	14	TQEX
Genmab A/S	17/06/2024	12:25:59 PM	1,791.0000	14	XCSE
Genmab A/S	17/06/2024	12:26:00 PM	1,791.0000	81	CEUX
Genmab A/S	17/06/2024	12:26:00 PM	1,791.0000	58	XCSE
Genmab A/S	17/06/2024	12:26:03 PM	1,791.0000	12	AQEU
Genmab A/S	17/06/2024	12:26:03 PM	1,791.0000	12	TQEX
Genmab A/S	17/06/2024	12:26:03 PM	1,791.0000	14	XCSE
Genmab A/S	17/06/2024	12:26:03 PM	1,791.0000	3	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	24	XCSE

35

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	11	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	38	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	11	CEUX
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	11	CEUX
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	3	CEUX
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	11	CEUX
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	11	CEUX
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	3	CEUX
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	11	CEUX
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	7	CEUX
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	2	AQEU
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	9	AQEU
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	2	AQEU
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	2	AQEU
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	2	AQEU
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	2	AQEU
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	24	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	11	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	19	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	5	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	11	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	11	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	11	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	16	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	24	XCSE
Genmab A/S	17/06/2024	12:29:29 PM	1,794.0000	1	XCSE
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	8	CEUX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	8	CEUX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	8	CEUX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	8	CEUX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	8	CEUX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	8	CEUX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	2	CEUX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	5	TQEX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	5	TQEX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	5	TQEX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	8	XCSE
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	8	XCSE
Genmab A/S	17/06/2024	12:32:08 PM	1,793.0000	18	CEUX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.0000	5	CEUX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.0000	18	CEUX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.0000	2	AQEU
Genmab A/S	17/06/2024	12:32:08 PM	1,793.0000	5	TQEX
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	22	XCSE
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	22	XCSE
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	22	XCSE
Genmab A/S	17/06/2024	12:32:08 PM	1,793.5000	22	XCSE
Genmab A/S	17/06/2024	12:32:08 PM	1,793.0000	5	TQEX
Genmab A/S	17/06/2024	12:32:09 PM	1,793.5000	22	XCSE

36

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	12:32:09 PM	1,793.5000	4	XCSE
Genmab A/S	17/06/2024	12:34:06 PM	1,790.5000	8	CEUX
Genmab A/S	17/06/2024	12:34:06 PM	1,790.5000	5	TQEX
Genmab A/S	17/06/2024	12:34:06 PM	1,790.5000	7	XCSE
Genmab A/S	17/06/2024	12:34:06 PM	1,790.5000	8	CEUX
Genmab A/S	17/06/2024	12:34:06 PM	1,790.5000	5	TQEX
Genmab A/S	17/06/2024	12:34:06 PM	1,790.5000	1	XCSE
Genmab A/S	17/06/2024	12:35:47 PM	1,791.5000	9	CEUX
Genmab A/S	17/06/2024	12:35:47 PM	1,791.5000	12	CEUX
Genmab A/S	17/06/2024	12:35:47 PM	1,791.5000	4	CEUX
Genmab A/S	17/06/2024	12:35:47 PM	1,791.5000	12	XCSE
Genmab A/S	17/06/2024	12:35:54 PM	1,791.5000	32	XCSE
Genmab A/S	17/06/2024	12:36:06 PM	1,791.5000	33	CEUX
Genmab A/S	17/06/2024	12:36:06 PM	1,791.5000	7	CEUX
Genmab A/S	17/06/2024	12:36:46 PM	1,791.5000	35	CEUX
Genmab A/S	17/06/2024	12:36:46 PM	1,791.5000	93	CEUX
Genmab A/S	17/06/2024	12:36:46 PM	1,791.5000	50	XCSE
Genmab A/S	17/06/2024	12:36:46 PM	1,791.5000	36	CEUX
Genmab A/S	17/06/2024	12:36:46 PM	1,791.5000	9	AQEU
Genmab A/S	17/06/2024	12:36:46 PM	1,791.5000	15	TQEX
Genmab A/S	17/06/2024	12:36:46 PM	1,791.5000	9	TQEX
Genmab A/S	17/06/2024	12:39:53 PM	1,793.5000	76	XCSE
Genmab A/S	17/06/2024	12:39:53 PM	1,793.5000	58	XCSE
Genmab A/S	17/06/2024	12:39:53 PM	1,793.5000	104	XCSE
Genmab A/S	17/06/2024	12:39:53 PM	1,793.5000	14	XCSE
Genmab A/S	17/06/2024	12:39:53 PM	1,793.5000	5	CEUX
Genmab A/S	17/06/2024	12:39:53 PM	1,793.5000	47	CEUX
Genmab A/S	17/06/2024	12:39:53 PM	1,793.5000	16	CEUX
Genmab A/S	17/06/2024	12:39:53 PM	1,793.5000	50	CEUX
Genmab A/S	17/06/2024	12:39:53 PM	1,793.5000	2	CEUX
Genmab A/S	17/06/2024	12:39:53 PM	1,793.5000	39	CEUX
Genmab A/S	17/06/2024	12:39:53 PM	1,792.0000	4	CEUX
Genmab A/S	17/06/2024	12:39:53 PM	1,792.0000	5	TQEX
Genmab A/S	17/06/2024	12:43:06 PM	1,790.5000	21	XCSE
Genmab A/S	17/06/2024	12:43:06 PM	1,790.5000	1	XCSE
Genmab A/S	17/06/2024	12:44:42 PM	1,793.0000	36	XCSE
Genmab A/S	17/06/2024	12:45:09 PM	1,793.0000	9	AQEU
Genmab A/S	17/06/2024	12:45:09 PM	1,793.0000	9	TQEX
Genmab A/S	17/06/2024	12:45:09 PM	1,793.0000	18	XCSE
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	9	XCSE
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	10	CEUX
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	3	CEUX
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	1	AQEU
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	5	AQEU
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	1	AQEU
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	33	AQEU
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	5	TQEX
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	5	TQEX
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	11	TQEX

37

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	7	CEUX
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	5	TQEX
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	7	CEUX
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	5	TQEX
Genmab A/S	17/06/2024	12:45:27 PM	1,792.0000	3	CEUX
Genmab A/S	17/06/2024	12:45:28 PM	1,792.0000	10	CEUX
Genmab A/S	17/06/2024	12:45:41 PM	1,792.0000	10	CEUX
Genmab A/S	17/06/2024	12:45:41 PM	1,792.0000	5	TQEX
Genmab A/S	17/06/2024	12:45:48 PM	1,792.0000	9	CEUX
Genmab A/S	17/06/2024	12:45:48 PM	1,792.0000	1	CEUX
Genmab A/S	17/06/2024	12:45:48 PM	1,792.0000	5	TQEX
Genmab A/S	17/06/2024	12:46:06 PM	1,792.0000	9	XCSE
Genmab A/S	17/06/2024	12:47:32 PM	1,793.0000	10	CEUX
Genmab A/S	17/06/2024	12:47:32 PM	1,793.0000	5	TQEX
Genmab A/S	17/06/2024	12:47:32 PM	1,793.0000	10	CEUX
Genmab A/S	17/06/2024	12:47:32 PM	1,793.0000	8	XCSE
Genmab A/S	17/06/2024	12:47:33 PM	1,793.0000	2	XCSE
Genmab A/S	17/06/2024	12:47:33 PM	1,793.0000	8	XCSE
Genmab A/S	17/06/2024	12:48:04 PM	1,793.0000	1	CEUX
Genmab A/S	17/06/2024	12:48:04 PM	1,793.0000	36	CEUX
Genmab A/S	17/06/2024	12:48:12 PM	1,793.0000	36	CEUX
Genmab A/S	17/06/2024	12:48:59 PM	1,793.0000	5	TQEX
Genmab A/S	17/06/2024	12:49:03 PM	1,793.0000	32	TQEX
Genmab A/S	17/06/2024	12:49:06 PM	1,793.0000	35	TQEX
Genmab A/S	17/06/2024	12:49:06 PM	1,793.0000	1	TQEX
Genmab A/S	17/06/2024	12:50:22 PM	1,793.5000	23	CEUX
Genmab A/S	17/06/2024	12:50:22 PM	1,793.5000	22	CEUX
Genmab A/S	17/06/2024	12:50:22 PM	1,793.5000	1	CEUX
Genmab A/S	17/06/2024	12:50:22 PM	1,793.5000	24	XCSE
Genmab A/S	17/06/2024	12:50:22 PM	1,793.5000	24	XCSE
Genmab A/S	17/06/2024	12:50:22 PM	1,793.5000	10	XCSE
Genmab A/S	17/06/2024	12:50:22 PM	1,793.5000	7	XCSE
Genmab A/S	17/06/2024	12:51:14 PM	1,794.0000	7	CEUX
Genmab A/S	17/06/2024	12:51:14 PM	1,794.0000	1	CEUX
Genmab A/S	17/06/2024	12:51:14 PM	1,794.0000	7	AQEU
Genmab A/S	17/06/2024	12:51:28 PM	1,794.5000	10	CEUX
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	70	CEUX
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	2	CEUX
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	9	CEUX
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	11	CEUX
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	11	CEUX
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	11	CEUX
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	11	CEUX
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	11	CEUX
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	10	CEUX

38

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	12:51:38 PM	1,794.5000	19	CEUX
Genmab A/S	17/06/2024	12:51:40 PM	1,794.0000	11	CEUX
Genmab A/S	17/06/2024	12:51:40 PM	1,794.0000	2	AQEU
Genmab A/S	17/06/2024	12:51:40 PM	1,794.0000	12	XCSE
Genmab A/S	17/06/2024	12:51:40 PM	1,794.0000	12	XCSE
Genmab A/S	17/06/2024	12:51:40 PM	1,794.0000	4	XCSE
Genmab A/S	17/06/2024	12:51:40 PM	1,794.0000	4	XCSE
Genmab A/S	17/06/2024	12:51:40 PM	1,794.0000	11	CEUX
Genmab A/S	17/06/2024	12:52:39 PM	1,793.0000	25	XCSE
Genmab A/S	17/06/2024	12:54:11 PM	1,794.5000	12	XCSE
Genmab A/S	17/06/2024	12:54:11 PM	1,794.5000	23	XCSE
Genmab A/S	17/06/2024	12:54:40 PM	1,794.5000	1	XCSE
Genmab A/S	17/06/2024	12:54:40 PM	1,794.5000	12	XCSE
Genmab A/S	17/06/2024	12:54:40 PM	1,794.5000	23	XCSE
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	50	CEUX
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	50	CEUX
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	55	XCSE
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	16	CEUX
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	20	CEUX
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	4	AQEU
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	20	XCSE
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	15	XCSE
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	20	XCSE
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	15	XCSE
Genmab A/S	17/06/2024	12:54:45 PM	1,793.5000	14	CEUX
Genmab A/S	17/06/2024	12:54:46 PM	1,793.5000	14	CEUX
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	3	CEUX
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	8	CEUX
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	8	CEUX
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	36	XCSE
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	2	XCSE
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	22	XCSE
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	22	XCSE
Genmab A/S	17/06/2024	12:56:32 PM	1,794.5000	21	XCSE
Genmab A/S	17/06/2024	1:00:15 PM	1,799.0000	36	XCSE
Genmab A/S	17/06/2024	1:00:15 PM	1,799.0000	33	CEUX
Genmab A/S	17/06/2024	1:00:15 PM	1,799.0000	31	CEUX
Genmab A/S	17/06/2024	1:00:15 PM	1,799.0000	5	TQEX
Genmab A/S	17/06/2024	1:00:15 PM	1,799.0000	13	TQEX
Genmab A/S	17/06/2024	1:00:15 PM	1,799.0000	5	TQEX
Genmab A/S	17/06/2024	1:00:15 PM	1,799.0000	32	XCSE
Genmab A/S	17/06/2024	1:00:15 PM	1,799.0000	18	XCSE
Genmab A/S	17/06/2024	1:00:15 PM	1,799.0000	23	XCSE
Genmab A/S	17/06/2024	1:01:36 PM	1,798.0000	4	CEUX

39

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	1:01:36 PM	1,798.0000	77	CEUX
Genmab A/S	17/06/2024	1:01:36 PM	1,798.0000	12	AQEU
Genmab A/S	17/06/2024	1:01:36 PM	1,798.0000	12	TQEX
Genmab A/S	17/06/2024	1:01:36 PM	1,798.0000	5	XCSE
Genmab A/S	17/06/2024	1:01:36 PM	1,798.0000	50	XCSE
Genmab A/S	17/06/2024	1:01:36 PM	1,798.0000	34	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	CEUX
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	CEUX
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	CEUX
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	CEUX
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	CEUX
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	CEUX
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	3	CEUX
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	2	AQEU
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	1	AQEU
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	2	AQEU
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	2	AQEU
Genmab A/S	17/06/2024	1:04:07 PM	1,799.0000	21	CEUX
Genmab A/S	17/06/2024	1:04:07 PM	1,799.0000	3	AQEU
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	12	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	11	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.0000	8	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.0000	15	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.0000	23	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.0000	23	XCSE
Genmab A/S	17/06/2024	1:04:07 PM	1,799.0000	2	AQEU
Genmab A/S	17/06/2024	1:04:07 PM	1,799.0000	21	CEUX
Genmab A/S	17/06/2024	1:04:07 PM	1,799.0000	21	CEUX
Genmab A/S	17/06/2024	1:04:07 PM	1,799.5000	26	XCSE
Genmab A/S	17/06/2024	1:08:40 PM	1,798.0000	118	XCSE
Genmab A/S	17/06/2024	1:08:40 PM	1,798.0000	35	XCSE
Genmab A/S	17/06/2024	1:08:40 PM	1,798.0000	29	CEUX
Genmab A/S	17/06/2024	1:08:40 PM	1,798.0000	4	CEUX
Genmab A/S	17/06/2024	1:08:40 PM	1,798.0000	48	XCSE
Genmab A/S	17/06/2024	1:08:40 PM	1,798.0000	6	CEUX
Genmab A/S	17/06/2024	1:08:40 PM	1,798.0000	6	TQEX
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	35	XCSE
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	16	XCSE
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	45	CEUX
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	10	CEUX
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	36	CEUX
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	7	AQEU
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	1	AQEU
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	7	TQEX

40

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	1	TQEX
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	47	XCSE
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	36	CEUX
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	7	TQEX
Genmab A/S	17/06/2024	1:10:32 PM	1,799.5000	14	CEUX
Genmab A/S	17/06/2024	1:10:34 PM	1,799.5000	9	CEUX
Genmab A/S	17/06/2024	1:10:34 PM	1,799.5000	8	CEUX
Genmab A/S	17/06/2024	1:14:04 PM	1,798.5000	68	XCSE
Genmab A/S	17/06/2024	1:14:04 PM	1,798.5000	75	XCSE
Genmab A/S	17/06/2024	1:14:04 PM	1,798.5000	7	XCSE
Genmab A/S	17/06/2024	1:16:34 PM	1,801.0000	5	CEUX
Genmab A/S	17/06/2024	1:16:34 PM	1,801.0000	11	CEUX
Genmab A/S	17/06/2024	1:16:34 PM	1,801.0000	12	AQEU
Genmab A/S	17/06/2024	1:16:34 PM	1,801.0000	1	TQEX
Genmab A/S	17/06/2024	1:16:38 PM	1,801.0000	28	XCSE
Genmab A/S	17/06/2024	1:16:38 PM	1,801.0000	7	XCSE
Genmab A/S	17/06/2024	1:16:45 PM	1,801.0000	20	CEUX
Genmab A/S	17/06/2024	1:16:45 PM	1,801.0000	8	CEUX
Genmab A/S	17/06/2024	1:16:45 PM	1,801.0000	10	CEUX
Genmab A/S	17/06/2024	1:17:12 PM	1,801.0000	8	CEUX
Genmab A/S	17/06/2024	1:17:12 PM	1,801.0000	30	CEUX
Genmab A/S	17/06/2024	1:17:36 PM	1,801.0000	9	CEUX
Genmab A/S	17/06/2024	1:17:36 PM	1,801.0000	28	CEUX
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	46	XCSE
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	50	XCSE
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	41	CEUX
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	41	CEUX
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	4	CEUX
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	6	AQEU
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	7	TQEX
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	7	TQEX
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	6	AQEU
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	7	TQEX
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	7	TQEX
Genmab A/S	17/06/2024	1:17:53 PM	1,801.0000	50	CEUX
Genmab A/S	17/06/2024	1:17:53 PM	1,800.0000	5	CEUX
Genmab A/S	17/06/2024	1:19:30 PM	1,799.0000	15	CEUX
Genmab A/S	17/06/2024	1:20:06 PM	1,799.0000	5	TQEX
Genmab A/S	17/06/2024	1:20:06 PM	1,799.0000	14	CEUX
Genmab A/S	17/06/2024	1:20:57 PM	1,799.0000	100	CEUX
Genmab A/S	17/06/2024	1:20:57 PM	1,799.0000	7	AQEU
Genmab A/S	17/06/2024	1:20:57 PM	1,799.0000	7	AQEU
Genmab A/S	17/06/2024	1:20:57 PM	1,799.0000	16	TQEX
Genmab A/S	17/06/2024	1:20:57 PM	1,799.0000	112	XCSE
Genmab A/S	17/06/2024	1:20:57 PM	1,798.0000	25	XCSE
Genmab A/S	17/06/2024	1:20:57 PM	1,798.0000	39	XCSE
Genmab A/S	17/06/2024	1:20:58 PM	1,798.0000	22	CEUX
Genmab A/S	17/06/2024	1:20:58 PM	1,798.0000	14	CEUX
Genmab A/S	17/06/2024	1:21:15 PM	1,797.0000	50	XCSE

41

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	1:21:15 PM	1,797.0000	34	XCSE
Genmab A/S	17/06/2024	1:21:15 PM	1,797.0000	16	XCSE
Genmab A/S	17/06/2024	1:21:15 PM	1,797.0000	22	XCSE
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	9	XCSE
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	39	XCSE
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	10	CEUX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	10	CEUX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	10	CEUX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	10	CEUX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	10	CEUX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	10	CEUX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	1	AQEU
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	2	AQEU
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	5	TQEX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	36	CEUX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	9	XCSE
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	9	XCSE
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	17	CEUX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	8	CEUX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	15	TQEX
Genmab A/S	17/06/2024	1:25:41 PM	1,796.5000	6	CEUX
Genmab A/S	17/06/2024	1:26:35 PM	1,797.5000	17	XCSE
Genmab A/S	17/06/2024	1:26:35 PM	1,797.5000	25	XCSE
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	11	XCSE
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	135	XCSE
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	10	CEUX
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	10	CEUX
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	10	CEUX
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	10	CEUX
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	10	CEUX
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	10	CEUX
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	10	CEUX
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	10	CEUX
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	2	CEUX
Genmab A/S	17/06/2024	1:27:48 PM	1,798.0000	2	AQEU
Genmab A/S	17/06/2024	1:30:43 PM	1,798.5000	5	TQEX
Genmab A/S	17/06/2024	1:32:04 PM	1,799.0000	4	CEUX
Genmab A/S	17/06/2024	1:32:04 PM	1,799.0000	35	CEUX
Genmab A/S	17/06/2024	1:32:27 PM	1,799.0000	12	AQEU
Genmab A/S	17/06/2024	1:32:38 PM	1,799.0000	22	CEUX
Genmab A/S	17/06/2024	1:32:49 PM	1,799.0000	34	CEUX
Genmab A/S	17/06/2024	1:33:05 PM	1,798.5000	14	CEUX
Genmab A/S	17/06/2024	1:33:05 PM	1,798.5000	5	TQEX
Genmab A/S	17/06/2024	1:33:05 PM	1,798.5000	3	CEUX
Genmab A/S	17/06/2024	1:33:06 PM	1,798.5000	11	CEUX
Genmab A/S	17/06/2024	1:33:06 PM	1,798.5000	10	CEUX
Genmab A/S	17/06/2024	1:33:06 PM	1,798.5000	10	CEUX
Genmab A/S	17/06/2024	1:33:06 PM	1,798.5000	2	AQEU
Genmab A/S	17/06/2024	1:33:06 PM	1,798.5000	3	AQEU

42

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	1:33:06 PM	1,798.5000	5	TQEX
Genmab A/S	17/06/2024	1:33:06 PM	1,798.5000	4	TQEX
Genmab A/S	17/06/2024	1:33:06 PM	1,798.5000	4	CEUX
Genmab A/S	17/06/2024	1:33:06 PM	1,798.5000	10	CEUX
Genmab A/S	17/06/2024	1:33:06 PM	1,798.5000	7	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	17	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	26	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	42	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	17	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	26	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	9	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	17	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	26	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	9	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	52	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	17	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	2	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	16	XCSE
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	15	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	12	CEUX
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	3	AQEU
Genmab A/S	17/06/2024	1:34:54 PM	1,798.5000	2	AQEU
Genmab A/S	17/06/2024	1:34:55 PM	1,797.0000	1	CEUX
Genmab A/S	17/06/2024	1:37:33 PM	1,798.0000	80	CEUX
Genmab A/S	17/06/2024	1:40:21 PM	1,799.0000	11	CEUX
Genmab A/S	17/06/2024	1:40:21 PM	1,799.0000	7	CEUX

43

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	1:40:21 PM	1,799.0000	18	CEUX
Genmab A/S	17/06/2024	1:40:41 PM	1,799.0000	19	CEUX
Genmab A/S	17/06/2024	1:40:41 PM	1,799.0000	5	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,799.0000	10	TQEX
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	7	CEUX
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	28	CEUX
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	25	CEUX
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	5	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	2	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	5	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	2	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	5	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	2	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	5	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	2	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	2	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	3	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	2	AQEU
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	9	XCSE
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	29	XCSE
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	38	XCSE
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	50	XCSE
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	10	CEUX
Genmab A/S	17/06/2024	1:40:41 PM	1,798.0000	38	XCSE
Genmab A/S	17/06/2024	1:42:09 PM	1,798.0000	51	XCSE
Genmab A/S	17/06/2024	1:42:09 PM	1,798.0000	23	XCSE
Genmab A/S	17/06/2024	1:42:09 PM	1,798.0000	39	XCSE
Genmab A/S	17/06/2024	1:42:09 PM	1,798.0000	64	XCSE
Genmab A/S	17/06/2024	1:42:18 PM	1,797.5000	19	CEUX
Genmab A/S	17/06/2024	1:42:18 PM	1,797.5000	2	CEUX
Genmab A/S	17/06/2024	1:47:49 PM	1,800.5000	3	CEUX
Genmab A/S	17/06/2024	1:47:59 PM	1,801.5000	21	CEUX
Genmab A/S	17/06/2024	1:48:08 PM	1,801.5000	21	CEUX
Genmab A/S	17/06/2024	1:48:08 PM	1,801.5000	23	XCSE
Genmab A/S	17/06/2024	1:48:08 PM	1,801.5000	21	CEUX
Genmab A/S	17/06/2024	1:48:08 PM	1,801.5000	20	CEUX
Genmab A/S	17/06/2024	1:48:08 PM	1,801.5000	20	CEUX
Genmab A/S	17/06/2024	1:49:13 PM	1,802.5000	24	XCSE
Genmab A/S	17/06/2024	1:49:13 PM	1,802.5000	73	XCSE
Genmab A/S	17/06/2024	1:49:13 PM	1,802.0000	12	XCSE
Genmab A/S	17/06/2024	1:49:13 PM	1,802.0000	35	XCSE
Genmab A/S	17/06/2024	1:49:13 PM	1,802.5000	47	CEUX
Genmab A/S	17/06/2024	1:49:13 PM	1,802.5000	41	CEUX
Genmab A/S	17/06/2024	1:49:20 PM	1,803.0000	24	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	28	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	52	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	57	XCSE
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	57	XCSE
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	57	XCSE

44

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	23	XCSE
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	34	XCSE
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	34	XCSE
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	23	XCSE
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	4	XCSE
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	28	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	24	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	4	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	6	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	1	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	41	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	1	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	35	CEUX
Genmab A/S	17/06/2024	1:49:21 PM	1,803.0000	15	CEUX
Genmab A/S	17/06/2024	1:49:27 PM	1,800.0000	48	XCSE
Genmab A/S	17/06/2024	1:55:46 PM	1,801.0000	11	XCSE
Genmab A/S	17/06/2024	1:55:46 PM	1,801.0000	21	XCSE
Genmab A/S	17/06/2024	1:55:46 PM	1,801.0000	45	XCSE
Genmab A/S	17/06/2024	1:55:46 PM	1,801.0000	10	CEUX
Genmab A/S	17/06/2024	1:55:46 PM	1,801.0000	2	AQEU
Genmab A/S	17/06/2024	1:55:46 PM	1,801.0000	2	AQEU
Genmab A/S	17/06/2024	1:55:46 PM	1,801.0000	11	XCSE
Genmab A/S	17/06/2024	1:55:46 PM	1,801.0000	21	XCSE
Genmab A/S	17/06/2024	1:55:46 PM	1,801.0000	10	CEUX
Genmab A/S	17/06/2024	1:56:57 PM	1,800.5000	35	CEUX
Genmab A/S	17/06/2024	1:56:57 PM	1,800.5000	12	XCSE
Genmab A/S	17/06/2024	1:56:57 PM	1,800.5000	32	XCSE
Genmab A/S	17/06/2024	1:56:57 PM	1,800.5000	29	XCSE
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	24	XCSE
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	53	XCSE
Genmab A/S	17/06/2024	1:57:20 PM	1,800.0000	78	XCSE
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	15	CEUX
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	4	AQEU
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	11	AQEU
Genmab A/S	17/06/2024	1:57:20 PM	1,800.0000	51	CEUX
Genmab A/S	17/06/2024	1:57:20 PM	1,800.0000	70	CEUX
Genmab A/S	17/06/2024	1:57:20 PM	1,800.0000	17	CEUX
Genmab A/S	17/06/2024	1:57:20 PM	1,800.0000	7	CEUX
Genmab A/S	17/06/2024	1:57:20 PM	1,800.0000	10	AQEU
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	7	CEUX
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	22	CEUX
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	4	AQEU
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	4	AQEU
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	9	XCSE
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	22	CEUX
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	4	AQEU
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	21	CEUX
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	9	XCSE
Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	9	AQEU

45

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	1:57:20 PM	1,799.5000	8	CEUX
Genmab A/S	17/06/2024	1:57:21 PM	1,799.0000	38	XCSE
Genmab A/S	17/06/2024	1:57:25 PM	1,799.0000	13	XCSE
Genmab A/S	17/06/2024	1:57:25 PM	1,799.0000	29	XCSE
Genmab A/S	17/06/2024	1:57:25 PM	1,799.0000	39	XCSE
Genmab A/S	17/06/2024	2:03:29 PM	1,799.0000	12	CEUX
Genmab A/S	17/06/2024	2:03:29 PM	1,799.0000	12	CEUX
Genmab A/S	17/06/2024	2:03:33 PM	1,799.0000	12	CEUX
Genmab A/S	17/06/2024	2:03:33 PM	1,799.0000	6	CEUX
Genmab A/S	17/06/2024	2:03:33 PM	1,799.0000	2	AQEU
Genmab A/S	17/06/2024	2:03:33 PM	1,799.0000	1	AQEU
Genmab A/S	17/06/2024	2:03:33 PM	1,799.0000	13	XCSE
Genmab A/S	17/06/2024	2:03:33 PM	1,799.0000	7	XCSE
Genmab A/S	17/06/2024	2:05:12 PM	1,799.0000	36	CEUX
Genmab A/S	17/06/2024	2:05:30 PM	1,799.0000	6	CEUX
Genmab A/S	17/06/2024	2:05:30 PM	1,799.0000	27	CEUX
Genmab A/S	17/06/2024	2:05:30 PM	1,799.0000	5	XCSE
Genmab A/S	17/06/2024	2:05:42 PM	1,798.0000	89	CEUX
Genmab A/S	17/06/2024	2:05:42 PM	1,798.0000	26	XCSE
Genmab A/S	17/06/2024	2:05:42 PM	1,798.0000	27	XCSE
Genmab A/S	17/06/2024	2:05:42 PM	1,798.0000	17	XCSE
Genmab A/S	17/06/2024	2:05:50 PM	1,798.0000	53	XCSE
Genmab A/S	17/06/2024	2:05:50 PM	1,798.0000	15	XCSE
Genmab A/S	17/06/2024	2:05:50 PM	1,797.5000	21	CEUX
Genmab A/S	17/06/2024	2:05:50 PM	1,797.5000	3	CEUX
Genmab A/S	17/06/2024	2:07:35 PM	1,800.0000	21	XCSE
Genmab A/S	17/06/2024	2:07:35 PM	1,800.0000	62	XCSE
Genmab A/S	17/06/2024	2:07:35 PM	1,800.5000	26	CEUX
Genmab A/S	17/06/2024	2:07:35 PM	1,800.5000	26	CEUX
Genmab A/S	17/06/2024	2:07:35 PM	1,800.5000	1	CEUX
Genmab A/S	17/06/2024	2:09:00 PM	1,800.0000	57	XCSE
Genmab A/S	17/06/2024	2:09:00 PM	1,800.0000	97	XCSE
Genmab A/S	17/06/2024	2:09:35 PM	1,802.5000	21	XCSE
Genmab A/S	17/06/2024	2:09:44 PM	1,802.0000	44	XCSE
Genmab A/S	17/06/2024	2:09:44 PM	1,802.0000	51	XCSE
Genmab A/S	17/06/2024	2:09:44 PM	1,802.5000	4	XCSE
Genmab A/S	17/06/2024	2:09:44 PM	1,802.5000	40	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	4	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	6	CEUX

46

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	11	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,804.0000	2	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	4	AQEU
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	21	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	13	CEUX
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	24	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	24	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	24	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	24	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	24	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	24	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	24	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	24	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	11	XCSE
Genmab A/S	17/06/2024	2:11:21 PM	1,803.5000	36	AQEU
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	9	XCSE
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	3	XCSE
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	20	CEUX
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	20	CEUX

47

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	20	CEUX
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	20	CEUX
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	3	AQEU
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	3	AQEU
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	3	AQEU
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	4	CEUX
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	3	XCSE
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	6	XCSE
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	3	XCSE
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	21	XCSE
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	42	XCSE
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	2	XCSE
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	27	XCSE
Genmab A/S	17/06/2024	2:11:22 PM	1,802.5000	11	XCSE
Genmab A/S	17/06/2024	2:20:28 PM	1,802.5000	9	CEUX
Genmab A/S	17/06/2024	2:20:28 PM	1,802.5000	21	CEUX
Genmab A/S	17/06/2024	2:20:28 PM	1,802.5000	7	XCSE
Genmab A/S	17/06/2024	2:20:50 PM	1,802.5000	35	XCSE
Genmab A/S	17/06/2024	2:21:14 PM	1,802.5000	35	XCSE
Genmab A/S	17/06/2024	2:21:31 PM	1,802.5000	36	CEUX
Genmab A/S	17/06/2024	2:21:31 PM	1,802.5000	3	TQEX
Genmab A/S	17/06/2024	2:21:56 PM	1,802.5000	39	TQEX
Genmab A/S	17/06/2024	2:22:18 PM	1,802.5000	36	CEUX
Genmab A/S	17/06/2024	2:22:38 PM	1,802.5000	36	CEUX
Genmab A/S	17/06/2024	2:22:38 PM	1,802.5000	3	TQEX
Genmab A/S	17/06/2024	2:23:02 PM	1,802.5000	36	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	20	TQEX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	14	TQEX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	20	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	5	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	11	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	100	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	2	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	77	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	25	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	40	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	13	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	50	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	39	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	11	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	4	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	2	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	2	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	3	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	20	CEUX
Genmab A/S	17/06/2024	2:23:31 PM	1,802.5000	27	CEUX
Genmab A/S	17/06/2024	2:28:54 PM	1,805.0000	10	XCSE
Genmab A/S	17/06/2024	2:28:54 PM	1,805.0000	10	XCSE
Genmab A/S	17/06/2024	2:29:57 PM	1,805.0000	1	XCSE

48

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	2:30:05 PM	1,805.0000	26	CEUX
Genmab A/S	17/06/2024	2:30:05 PM	1,805.0000	26	CEUX
Genmab A/S	17/06/2024	2:30:05 PM	1,805.0000	27	XCSE
Genmab A/S	17/06/2024	2:30:05 PM	1,805.0000	27	XCSE
Genmab A/S	17/06/2024	2:30:05 PM	1,805.0000	27	XCSE
Genmab A/S	17/06/2024	2:30:05 PM	1,805.0000	27	XCSE
Genmab A/S	17/06/2024	2:30:06 PM	1,805.0000	26	CEUX
Genmab A/S	17/06/2024	2:30:06 PM	1,805.0000	19	CEUX
Genmab A/S	17/06/2024	2:30:25 PM	1,805.0000	8	XCSE
Genmab A/S	17/06/2024	2:30:25 PM	1,805.0000	11	CEUX
Genmab A/S	17/06/2024	2:31:31 PM	1,805.5000	52	CEUX
Genmab A/S	17/06/2024	2:31:31 PM	1,805.5000	52	CEUX
Genmab A/S	17/06/2024	2:31:31 PM	1,805.5000	52	CEUX
Genmab A/S	17/06/2024	2:31:31 PM	1,805.5000	4	CEUX
Genmab A/S	17/06/2024	2:31:47 PM	1,805.5000	14	CEUX
Genmab A/S	17/06/2024	2:31:47 PM	1,805.5000	23	CEUX
Genmab A/S	17/06/2024	2:31:47 PM	1,804.5000	40	CEUX
Genmab A/S	17/06/2024	2:31:47 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	2:31:47 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	2:31:47 PM	1,804.5000	6	XCSE
Genmab A/S	17/06/2024	2:31:47 PM	1,804.5000	27	CEUX
Genmab A/S	17/06/2024	2:31:47 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	2:31:47 PM	1,804.5000	13	CEUX
Genmab A/S	17/06/2024	2:32:52 PM	1,806.5000	11	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	3	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	8	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	XCSE
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	XCSE
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	6	XCSE
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	XCSE
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	3	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	XCSE
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	XCSE
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	XCSE
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	XCSE
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	XCSE
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	5	XCSE
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	2	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	6	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	2	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	11	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	36	CEUX
Genmab A/S	17/06/2024	2:32:58 PM	1,806.5000	8	CEUX
Genmab A/S	17/06/2024	2:35:15 PM	1,806.0000	12	CEUX
Genmab A/S	17/06/2024	2:35:15 PM	1,806.0000	14	CEUX

49

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	2:35:15 PM	1,806.0000	12	XCSE
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	10	CEUX
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	9	CEUX
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	3	XCSE
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	7	XCSE
Genmab A/S	17/06/2024	2:35:22 PM	1,805.5000	10	XCSE
Genmab A/S	17/06/2024	2:35:51 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:35:51 PM	1,806.0000	33	XCSE
Genmab A/S	17/06/2024	2:36:14 PM	1,806.0000	34	CEUX
Genmab A/S	17/06/2024	2:36:14 PM	1,806.0000	12	CEUX
Genmab A/S	17/06/2024	2:36:16 PM	1,806.0000	10	CEUX
Genmab A/S	17/06/2024	2:36:26 PM	1,806.0000	13	XCSE
Genmab A/S	17/06/2024	2:36:33 PM	1,806.0000	13	CEUX
Genmab A/S	17/06/2024	2:36:33 PM	1,806.0000	13	CEUX
Genmab A/S	17/06/2024	2:36:33 PM	1,806.0000	5	XCSE
Genmab A/S	17/06/2024	2:37:09 PM	1,805.5000	30	CEUX
Genmab A/S	17/06/2024	2:37:09 PM	1,806.0000	70	CEUX
Genmab A/S	17/06/2024	2:37:11 PM	1,805.5000	47	XCSE
Genmab A/S	17/06/2024	2:37:11 PM	1,805.5000	35	XCSE
Genmab A/S	17/06/2024	2:37:11 PM	1,805.5000	13	CEUX
Genmab A/S	17/06/2024	2:37:11 PM	1,805.5000	6	AQEU
Genmab A/S	17/06/2024	2:38:16 PM	1,806.0000	37	XCSE
Genmab A/S	17/06/2024	2:38:21 PM	1,805.0000	37	CEUX
Genmab A/S	17/06/2024	2:38:21 PM	1,805.0000	15	CEUX
Genmab A/S	17/06/2024	2:38:53 PM	1,805.5000	2	AQEU
Genmab A/S	17/06/2024	2:38:53 PM	1,805.5000	16	AQEU
Genmab A/S	17/06/2024	2:38:53 PM	1,805.5000	11	TQEX
Genmab A/S	17/06/2024	2:38:53 PM	1,805.5000	10	XCSE
Genmab A/S	17/06/2024	2:39:33 PM	1,805.5000	27	XCSE
Genmab A/S	17/06/2024	2:40:21 PM	1,806.5000	16	AQEU
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	54	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	53	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	19	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	18	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	36	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	19	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	26	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	8	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	54	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	27	XCSE

50

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	8	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	8	XCSE
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	32	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	17	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	48	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	35	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	24	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	25	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	40	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	8	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	16	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	33	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	16	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	8	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	24	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	49	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	48	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	49	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	27	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	48	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	49	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	6	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.5000	28	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.0000	7	CEUX
Genmab A/S	17/06/2024	2:43:25 PM	1,807.0000	3	AQEU
Genmab A/S	17/06/2024	2:43:26 PM	1,807.5000	37	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.5000	54	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.5000	39	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	13	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.5000	53	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.5000	54	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.5000	53	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.5000	2	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.5000	18	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.5000	22	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.5000	38	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	16	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	7	CEUX

51

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	5	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	19	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	5	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	1	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	12	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	6	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	19	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	2	AQEU
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	9	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	19	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	19	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	1	AQEU
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	3	AQEU
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	1	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	18	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	19	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	3	AQEU
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	19	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	3	AQEU
Genmab A/S	17/06/2024	2:43:26 PM	1,806.5000	15	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	21	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	18	XCSE
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	5	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	18	CEUX
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	2	AQEU
Genmab A/S	17/06/2024	2:43:26 PM	1,807.0000	9	AQEU
Genmab A/S	17/06/2024	2:43:26 PM	1,806.5000	14	XCSE
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	43	CEUX
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	12	CEUX
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	6	AQEU
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	6	AQEU
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	48	XCSE
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	12	XCSE
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	36	XCSE
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	12	XCSE
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	12	XCSE
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	57	XCSE
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	18	CEUX
Genmab A/S	17/06/2024	2:51:40 PM	1,804.0000	9	XCSE
Genmab A/S	17/06/2024	2:55:03 PM	1,803.5000	6	CEUX
Genmab A/S	17/06/2024	2:55:03 PM	1,803.5000	2	AQEU
Genmab A/S	17/06/2024	2:55:40 PM	1,804.5000	6	TQEX
Genmab A/S	17/06/2024	2:56:29 PM	1,803.5000	17	CEUX
Genmab A/S	17/06/2024	2:56:29 PM	1,803.5000	12	CEUX

52

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	2:56:34 PM	1,804.0000	25	XCSE
Genmab A/S	17/06/2024	2:57:00 PM	1,804.0000	5	XCSE
Genmab A/S	17/06/2024	2:57:07 PM	1,804.0000	38	XCSE
Genmab A/S	17/06/2024	2:57:07 PM	1,804.0000	7	XCSE
Genmab A/S	17/06/2024	2:57:07 PM	1,804.0000	43	XCSE
Genmab A/S	17/06/2024	2:57:07 PM	1,804.0000	40	XCSE
Genmab A/S	17/06/2024	2:57:07 PM	1,804.0000	3	XCSE
Genmab A/S	17/06/2024	2:57:07 PM	1,804.0000	4	XCSE
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	12	XCSE
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	12	XCSE
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	12	XCSE
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	12	CEUX
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	15	CEUX
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	4	CEUX
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	4	CEUX
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	22	CEUX
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	12	CEUX
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	8	CEUX
Genmab A/S	17/06/2024	2:57:07 PM	1,803.5000	8	CEUX
Genmab A/S	17/06/2024	2:58:05 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:58:05 PM	1,804.0000	9	AQEU
Genmab A/S	17/06/2024	2:58:17 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:58:17 PM	1,804.0000	9	AQEU
Genmab A/S	17/06/2024	2:58:32 PM	1,804.0000	2	AQEU
Genmab A/S	17/06/2024	2:58:32 PM	1,804.0000	9	AQEU
Genmab A/S	17/06/2024	2:58:32 PM	1,803.0000	27	XCSE
Genmab A/S	17/06/2024	2:58:32 PM	1,803.0000	15	XCSE
Genmab A/S	17/06/2024	2:58:32 PM	1,803.0000	15	XCSE
Genmab A/S	17/06/2024	2:58:32 PM	1,803.0000	17	CEUX
Genmab A/S	17/06/2024	2:58:32 PM	1,803.0000	6	AQEU
Genmab A/S	17/06/2024	2:59:18 PM	1,804.5000	12	CEUX
Genmab A/S	17/06/2024	2:59:18 PM	1,804.5000	41	CEUX
Genmab A/S	17/06/2024	2:59:18 PM	1,804.5000	23	CEUX
Genmab A/S	17/06/2024	2:59:29 PM	1,804.0000	7	CEUX
Genmab A/S	17/06/2024	2:59:29 PM	1,804.0000	9	TQEX
Genmab A/S	17/06/2024	2:59:29 PM	1,804.0000	7	XCSE
Genmab A/S	17/06/2024	2:59:36 PM	1,804.0000	4	CEUX
Genmab A/S	17/06/2024	2:59:40 PM	1,804.0000	33	XCSE
Genmab A/S	17/06/2024	2:59:58 PM	1,804.0000	38	TQEX
Genmab A/S	17/06/2024	3:00:07 PM	1,803.5000	24	CEUX
Genmab A/S	17/06/2024	3:00:07 PM	1,803.5000	8	XCSE
Genmab A/S	17/06/2024	3:00:07 PM	1,803.5000	19	XCSE
Genmab A/S	17/06/2024	3:00:41 PM	1,804.0000	23	XCSE
Genmab A/S	17/06/2024	3:00:41 PM	1,804.0000	14	XCSE
Genmab A/S	17/06/2024	3:01:03 PM	1,804.0000	23	AQEU
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	29	CEUX
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	29	CEUX
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	29	CEUX
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	2	CEUX

53

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	11	AQEU
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	9	AQEU
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	9	AQEU
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	11	AQEU
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	3	AQEU
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	50	XCSE
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	14	XCSE
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	50	XCSE
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	14	XCSE
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	50	XCSE
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	8	XCSE
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	27	CEUX
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	2	CEUX
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	6	AQEU
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	1	AQEU
Genmab A/S	17/06/2024	3:01:12 PM	1,804.0000	5	AQEU
Genmab A/S	17/06/2024	3:03:57 PM	1,807.0000	31	CEUX
Genmab A/S	17/06/2024	3:04:21 PM	1,808.0000	31	XCSE
Genmab A/S	17/06/2024	3:04:21 PM	1,808.0000	29	CEUX
Genmab A/S	17/06/2024	3:04:21 PM	1,808.0000	29	CEUX
Genmab A/S	17/06/2024	3:04:21 PM	1,808.0000	21	CEUX
Genmab A/S	17/06/2024	3:04:21 PM	1,808.0000	4	AQEU
Genmab A/S	17/06/2024	3:04:21 PM	1,808.0000	29	CEUX
Genmab A/S	17/06/2024	3:04:21 PM	1,808.0000	31	XCSE
Genmab A/S	17/06/2024	3:04:29 PM	1,808.5000	34	XCSE
Genmab A/S	17/06/2024	3:04:29 PM	1,808.5000	34	XCSE
Genmab A/S	17/06/2024	3:04:29 PM	1,808.5000	28	XCSE
Genmab A/S	17/06/2024	3:04:29 PM	1,808.5000	6	XCSE
Genmab A/S	17/06/2024	3:04:29 PM	1,808.5000	6	XCSE
Genmab A/S	17/06/2024	3:04:29 PM	1,808.5000	28	XCSE
Genmab A/S	17/06/2024	3:04:29 PM	1,808.5000	28	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	30	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	30	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	13	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	30	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	13	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	30	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	20	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	10	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	20	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	10	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	5	AQEU
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	5	AQEU
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	20	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	10	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	6	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	7	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	34	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	34	XCSE

54

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	34	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	34	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	21	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	13	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	16	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	20	CEUX
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	5	AQEU
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	23	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	8	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	18	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	30	XCSE
Genmab A/S	17/06/2024	3:04:30 PM	1,808.5000	20	XCSE
Genmab A/S	17/06/2024	3:10:31 PM	1,808.5000	20	CEUX
Genmab A/S	17/06/2024	3:11:23 PM	1,809.5000	23	XCSE
Genmab A/S	17/06/2024	3:11:32 PM	1,809.5000	12	XCSE
Genmab A/S	17/06/2024	3:11:32 PM	1,809.5000	22	XCSE
Genmab A/S	17/06/2024	3:11:50 PM	1,809.5000	10	XCSE
Genmab A/S	17/06/2024	3:11:50 PM	1,809.5000	31	XCSE
Genmab A/S	17/06/2024	3:12:32 PM	1,811.5000	50	XCSE
Genmab A/S	17/06/2024	3:12:32 PM	1,811.5000	18	XCSE
Genmab A/S	17/06/2024	3:12:47 PM	1,811.5000	34	XCSE
Genmab A/S	17/06/2024	3:12:49 PM	1,811.0000	136	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,811.5000	36	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	40	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	22	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	10	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	10	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	9	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	3	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	7	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	10	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	10	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	10	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	10	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	8	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	9	AQEU
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	2	AQEU
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	2	AQEU
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	2	AQEU
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	15	CEUX
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	13	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	50	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	6	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	10	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	10	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	75	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	2	AQEU
Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	3	AQEU
Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	5	AQEU

55

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	4	AQEU
Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	37	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	72	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,811.0000	22	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	6	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	16	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	2	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	8	XCSE
Genmab A/S	17/06/2024	3:14:04 PM	1,810.5000	5	XCSE
Genmab A/S	17/06/2024	3:17:49 PM	1,807.5000	21	CEUX
Genmab A/S	17/06/2024	3:17:49 PM	1,807.5000	21	CEUX
Genmab A/S	17/06/2024	3:17:49 PM	1,807.5000	3	AQEU
Genmab A/S	17/06/2024	3:17:49 PM	1,807.5000	4	XCSE
Genmab A/S	17/06/2024	3:17:49 PM	1,807.5000	19	XCSE
Genmab A/S	17/06/2024	3:17:49 PM	1,807.5000	21	CEUX
Genmab A/S	17/06/2024	3:18:07 PM	1,807.5000	21	CEUX
Genmab A/S	17/06/2024	3:18:07 PM	1,807.5000	3	AQEU
Genmab A/S	17/06/2024	3:18:07 PM	1,807.5000	23	XCSE
Genmab A/S	17/06/2024	3:18:07 PM	1,807.5000	20	CEUX
Genmab A/S	17/06/2024	3:18:07 PM	1,807.5000	3	AQEU
Genmab A/S	17/06/2024	3:18:10 PM	1,807.0000	45	XCSE
Genmab A/S	17/06/2024	3:18:10 PM	1,807.0000	15	CEUX
Genmab A/S	17/06/2024	3:19:55 PM	1,807.0000	43	CEUX
Genmab A/S	17/06/2024	3:19:55 PM	1,807.0000	6	CEUX
Genmab A/S	17/06/2024	3:19:55 PM	1,807.0000	37	CEUX
Genmab A/S	17/06/2024	3:19:55 PM	1,807.0000	7	AQEU
Genmab A/S	17/06/2024	3:19:55 PM	1,807.0000	49	XCSE
Genmab A/S	17/06/2024	3:19:55 PM	1,807.0000	9	CEUX
Genmab A/S	17/06/2024	3:19:55 PM	1,807.0000	7	AQEU
Genmab A/S	17/06/2024	3:19:55 PM	1,807.0000	11	XCSE
Genmab A/S	17/06/2024	3:20:35 PM	1,807.0000	30	XCSE
Genmab A/S	17/06/2024	3:20:35 PM	1,807.0000	96	XCSE
Genmab A/S	17/06/2024	3:20:35 PM	1,807.0000	16	AQEU
Genmab A/S	17/06/2024	3:20:35 PM	1,807.0000	16	AQEU
Genmab A/S	17/06/2024	3:20:35 PM	1,807.0000	12	AQEU
Genmab A/S	17/06/2024	3:20:35 PM	1,807.0000	50	XCSE
Genmab A/S	17/06/2024	3:20:35 PM	1,807.0000	14	AQEU
Genmab A/S	17/06/2024	3:21:33 PM	1,805.0000	25	AQEU
Genmab A/S	17/06/2024	3:21:33 PM	1,805.0000	3	AQEU
Genmab A/S	17/06/2024	3:21:33 PM	1,804.5000	8	XCSE
Genmab A/S	17/06/2024	3:21:33 PM	1,804.5000	40	XCSE
Genmab A/S	17/06/2024	3:21:33 PM	1,804.5000	10	XCSE
Genmab A/S	17/06/2024	3:21:33 PM	1,804.5000	34	XCSE
Genmab A/S	17/06/2024	3:21:33 PM	1,804.5000	44	XCSE
Genmab A/S	17/06/2024	3:21:33 PM	1,804.5000	40	XCSE
Genmab A/S	17/06/2024	3:21:33 PM	1,805.0000	152	XCSE
Genmab A/S	17/06/2024	3:21:33 PM	1,805.0000	67	XCSE
Genmab A/S	17/06/2024	3:21:33 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	3:21:33 PM	1,804.5000	6	AQEU

56

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	3:21:33 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	3:21:33 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	6	AQEU
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	3	AQEU
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	34	XCSE
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	10	XCSE
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	23	XCSE
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	10	XCSE
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	2	XCSE
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	9	XCSE
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	12	XCSE
Genmab A/S	17/06/2024	3:21:34 PM	1,804.5000	9	AQEU
Genmab A/S	17/06/2024	3:27:48 PM	1,806.0000	33	CEUX
Genmab A/S	17/06/2024	3:27:57 PM	1,806.0000	14	CEUX
Genmab A/S	17/06/2024	3:27:57 PM	1,805.5000	50	XCSE
Genmab A/S	17/06/2024	3:27:57 PM	1,805.5000	31	XCSE
Genmab A/S	17/06/2024	3:27:57 PM	1,805.5000	31	XCSE
Genmab A/S	17/06/2024	3:27:57 PM	1,805.5000	31	XCSE
Genmab A/S	17/06/2024	3:27:57 PM	1,805.5000	31	XCSE
Genmab A/S	17/06/2024	3:27:57 PM	1,805.5000	31	XCSE
Genmab A/S	17/06/2024	3:27:57 PM	1,805.5000	19	XCSE
Genmab A/S	17/06/2024	3:27:57 PM	1,805.5000	12	XCSE
Genmab A/S	17/06/2024	3:27:57 PM	1,805.5000	50	XCSE
Genmab A/S	17/06/2024	3:27:58 PM	1,805.5000	31	XCSE
Genmab A/S	17/06/2024	3:27:58 PM	1,805.5000	40	XCSE
Genmab A/S	17/06/2024	3:27:58 PM	1,805.5000	22	XCSE
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	16	AQEU
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	125	XCSE
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	50	XCSE
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	28	XCSE
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	47	XCSE
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	3	XCSE
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	13	XCSE
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	6	XCSE
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	6	XCSE
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	17	XCSE
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	16	AQEU
Genmab A/S	17/06/2024	3:28:01 PM	1,805.0000	12	AQEU
Genmab A/S	17/06/2024	3:30:20 PM	1,803.0000	10	XCSE
Genmab A/S	17/06/2024	3:30:20 PM	1,803.0000	6	AQEU
Genmab A/S	17/06/2024	3:30:20 PM	1,803.0000	24	XCSE
Genmab A/S	17/06/2024	3:30:20 PM	1,803.0000	12	XCSE
Genmab A/S	17/06/2024	3:30:42 PM	1,802.0000	5	AQEU
Genmab A/S	17/06/2024	3:30:42 PM	1,802.0000	5	AQEU
Genmab A/S	17/06/2024	3:30:42 PM	1,802.0000	11	XCSE

57

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	3:30:42 PM	1,802.0000	21	XCSE
Genmab A/S	17/06/2024	3:30:42 PM	1,802.0000	7	XCSE
Genmab A/S	17/06/2024	3:30:42 PM	1,802.0000	19	XCSE
Genmab A/S	17/06/2024	3:30:42 PM	1,802.0000	5	AQEU
Genmab A/S	17/06/2024	3:30:42 PM	1,802.0000	1	AQEU
Genmab A/S	17/06/2024	3:30:42 PM	1,802.0000	4	AQEU
Genmab A/S	17/06/2024	3:30:43 PM	1,802.0000	5	AQEU
Genmab A/S	17/06/2024	3:30:43 PM	1,802.0000	5	AQEU
Genmab A/S	17/06/2024	3:30:43 PM	1,802.0000	8	XCSE
Genmab A/S	17/06/2024	3:30:44 PM	1,802.0000	13	XCSE
Genmab A/S	17/06/2024	3:30:44 PM	1,802.0000	39	XCSE
Genmab A/S	17/06/2024	3:33:21 PM	1,801.0000	68	XCSE
Genmab A/S	17/06/2024	3:33:21 PM	1,801.0000	51	XCSE
Genmab A/S	17/06/2024	3:33:48 PM	1,801.0000	9	AQEU
Genmab A/S	17/06/2024	3:33:48 PM	1,801.0000	9	AQEU
Genmab A/S	17/06/2024	3:33:48 PM	1,801.0000	1	XCSE
Genmab A/S	17/06/2024	3:33:48 PM	1,801.0000	67	XCSE
Genmab A/S	17/06/2024	3:33:48 PM	1,801.0000	2	XCSE
Genmab A/S	17/06/2024	3:33:48 PM	1,801.0000	66	XCSE
Genmab A/S	17/06/2024	3:34:43 PM	1,802.0000	5	AQEU
Genmab A/S	17/06/2024	3:34:43 PM	1,802.0000	11	XCSE
Genmab A/S	17/06/2024	3:34:53 PM	1,802.0000	5	AQEU
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	50	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	38	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	12	AQEU
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	16	AQEU
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	12	AQEU
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	15	AQEU
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	61	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	27	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	34	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	88	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	23	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	27	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	27	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	46	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,803.0000	22	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	47	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	47	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	47	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	47	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	9	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	38	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	20	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	27	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	13	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	20	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	14	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	47	XCSE

58

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	3:35:11 PM	1,802.5000	9	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	46	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	46	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	46	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	11	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	5	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	30	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	4	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	18	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	18	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	6	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	12	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	12	XCSE
Genmab A/S	17/06/2024	3:35:11 PM	1,802.0000	34	XCSE
Genmab A/S	17/06/2024	3:37:38 PM	1,796.5000	45	XCSE
Genmab A/S	17/06/2024	3:37:39 PM	1,796.5000	20	XCSE
Genmab A/S	17/06/2024	3:37:39 PM	1,796.5000	25	XCSE
Genmab A/S	17/06/2024	3:37:39 PM	1,796.5000	16	XCSE
Genmab A/S	17/06/2024	3:37:39 PM	1,796.5000	6	AQEU
Genmab A/S	17/06/2024	3:37:39 PM	1,796.5000	6	AQEU
Genmab A/S	17/06/2024	3:37:39 PM	1,796.5000	19	XCSE
Genmab A/S	17/06/2024	3:37:39 PM	1,796.0000	11	CEUX
Genmab A/S	17/06/2024	3:37:39 PM	1,796.5000	6	AQEU
Genmab A/S	17/06/2024	3:37:40 PM	1,796.5000	26	XCSE
Genmab A/S	17/06/2024	3:37:40 PM	1,796.5000	41	XCSE
Genmab A/S	17/06/2024	3:37:40 PM	1,796.5000	4	XCSE
Genmab A/S	17/06/2024	3:37:40 PM	1,796.5000	41	XCSE
Genmab A/S	17/06/2024	3:37:40 PM	1,796.5000	45	XCSE
Genmab A/S	17/06/2024	3:37:40 PM	1,796.5000	31	XCSE
Genmab A/S	17/06/2024	3:40:49 PM	1,795.0000	78	AQEU
Genmab A/S	17/06/2024	3:41:33 PM	1,794.5000	3	XCSE
Genmab A/S	17/06/2024	3:42:32 PM	1,795.0000	11	AQEU
Genmab A/S	17/06/2024	3:42:32 PM	1,795.0000	15	XCSE
Genmab A/S	17/06/2024	3:42:32 PM	1,795.0000	73	XCSE
Genmab A/S	17/06/2024	3:42:32 PM	1,795.0000	88	XCSE
Genmab A/S	17/06/2024	3:42:32 PM	1,795.0000	11	XCSE
Genmab A/S	17/06/2024	3:42:32 PM	1,795.0000	11	AQEU
Genmab A/S	17/06/2024	3:42:43 PM	1,795.0000	10	AQEU
Genmab A/S	17/06/2024	3:42:43 PM	1,795.0000	78	XCSE
Genmab A/S	17/06/2024	3:42:43 PM	1,795.0000	79	XCSE
Genmab A/S	17/06/2024	3:42:43 PM	1,795.0000	10	AQEU
Genmab A/S	17/06/2024	3:42:43 PM	1,795.0000	10	AQEU
Genmab A/S	17/06/2024	3:42:43 PM	1,795.0000	5	AQEU
Genmab A/S	17/06/2024	3:42:43 PM	1,795.0000	5	AQEU
Genmab A/S	17/06/2024	3:42:43 PM	1,795.0000	4	AQEU
Genmab A/S	17/06/2024	3:43:47 PM	1,794.0000	11	AQEU
Genmab A/S	17/06/2024	3:43:47 PM	1,794.0000	80	XCSE
Genmab A/S	17/06/2024	3:43:47 PM	1,794.0000	11	AQEU
Genmab A/S	17/06/2024	3:44:25 PM	1,794.0000	6	AQEU

59

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	3:44:33 PM	1,794.0000	6	AQEU
Genmab A/S	17/06/2024	3:45:19 PM	1,796.0000	36	CEUX
Genmab A/S	17/06/2024	3:45:19 PM	1,796.0000	1	CEUX
Genmab A/S	17/06/2024	3:45:19 PM	1,796.0000	31	XCSE
Genmab A/S	17/06/2024	3:45:28 PM	1,796.0000	21	CEUX
Genmab A/S	17/06/2024	3:45:28 PM	1,796.0000	18	CEUX
Genmab A/S	17/06/2024	3:45:39 PM	1,796.0000	8	XCSE
Genmab A/S	17/06/2024	3:45:42 PM	1,796.0000	35	XCSE
Genmab A/S	17/06/2024	3:45:53 PM	1,796.0000	36	CEUX
Genmab A/S	17/06/2024	3:46:03 PM	1,796.0000	8	AQEU
Genmab A/S	17/06/2024	3:46:03 PM	1,796.0000	26	AQEU
Genmab A/S	17/06/2024	3:46:08 PM	1,795.5000	107	XCSE
Genmab A/S	17/06/2024	3:46:08 PM	1,795.5000	107	XCSE
Genmab A/S	17/06/2024	3:46:08 PM	1,795.5000	12	XCSE
Genmab A/S	17/06/2024	3:46:13 PM	1,795.5000	6	XCSE
Genmab A/S	17/06/2024	3:46:27 PM	1,795.5000	5	XCSE
Genmab A/S	17/06/2024	3:46:28 PM	1,795.5000	89	XCSE
Genmab A/S	17/06/2024	3:46:28 PM	1,795.5000	10	XCSE
Genmab A/S	17/06/2024	3:46:28 PM	1,795.5000	11	XCSE
Genmab A/S	17/06/2024	3:46:28 PM	1,795.5000	9	XCSE
Genmab A/S	17/06/2024	3:46:28 PM	1,795.5000	13	XCSE
Genmab A/S	17/06/2024	3:46:28 PM	1,795.5000	41	XCSE
Genmab A/S	17/06/2024	3:46:28 PM	1,795.5000	10	XCSE
Genmab A/S	17/06/2024	3:47:28 PM	1,794.5000	83	XCSE
Genmab A/S	17/06/2024	3:47:28 PM	1,794.5000	13	AQEU
Genmab A/S	17/06/2024	3:47:55 PM	1,794.5000	10	AQEU
Genmab A/S	17/06/2024	3:47:55 PM	1,794.5000	17	AQEU
Genmab A/S	17/06/2024	3:47:55 PM	1,794.5000	10	XCSE
Genmab A/S	17/06/2024	3:47:55 PM	1,794.5000	42	XCSE
Genmab A/S	17/06/2024	3:48:15 PM	1,794.0000	3	AQEU
Genmab A/S	17/06/2024	3:48:15 PM	1,794.0000	10	AQEU
Genmab A/S	17/06/2024	3:49:32 PM	1,794.5000	37	TQEX
Genmab A/S	17/06/2024	3:49:44 PM	1,795.5000	8	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	16	AQEU
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	9	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	4	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	15	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	15	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	4	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	4	XCSE

60

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	15	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	15	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	4	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	4	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	15	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	30	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	10	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	9	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	9	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	30	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	7	XCSE
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:50:03 PM	1,795.0000	1	AQEU
Genmab A/S	17/06/2024	3:50:13 PM	1,794.0000	7	AQEU
Genmab A/S	17/06/2024	3:51:03 PM	1,794.5000	89	XCSE
Genmab A/S	17/06/2024	3:51:03 PM	1,794.5000	117	XCSE
Genmab A/S	17/06/2024	3:51:03 PM	1,794.5000	19	XCSE
Genmab A/S	17/06/2024	3:51:03 PM	1,794.5000	15	XCSE
Genmab A/S	17/06/2024	3:51:39 PM	1,794.5000	70	XCSE
Genmab A/S	17/06/2024	3:51:39 PM	1,794.5000	164	XCSE
Genmab A/S	17/06/2024	3:51:39 PM	1,794.5000	9	AQEU
Genmab A/S	17/06/2024	3:51:39 PM	1,794.5000	9	AQEU
Genmab A/S	17/06/2024	3:51:39 PM	1,794.5000	9	AQEU
Genmab A/S	17/06/2024	3:51:39 PM	1,794.5000	9	AQEU
Genmab A/S	17/06/2024	3:51:39 PM	1,794.5000	8	AQEU
Genmab A/S	17/06/2024	3:52:59 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:52:59 PM	1,795.0000	2	AQEU
Genmab A/S	17/06/2024	3:52:59 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	3:52:59 PM	1,795.0000	15	XCSE
Genmab A/S	17/06/2024	3:52:59 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	3:52:59 PM	1,795.0000	2	AQEU
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	55	XCSE
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	7	AQEU
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	8	AQEU
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	7	AQEU
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	43	XCSE
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	12	XCSE
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	16	XCSE
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	7	AQEU
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	12	XCSE
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	7	AQEU
Genmab A/S	17/06/2024	3:53:32 PM	1,795.0000	8	AQEU
Genmab A/S	17/06/2024	3:54:38 PM	1,794.5000	5	AQEU

61

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	3:55:53 PM	1,795.5000	1	XCSE
Genmab A/S	17/06/2024	3:55:53 PM	1,795.5000	26	XCSE
Genmab A/S	17/06/2024	3:55:53 PM	1,795.5000	52	XCSE
Genmab A/S	17/06/2024	3:55:53 PM	1,795.5000	27	XCSE
Genmab A/S	17/06/2024	3:55:53 PM	1,795.5000	27	XCSE
Genmab A/S	17/06/2024	3:55:53 PM	1,795.5000	27	XCSE
Genmab A/S	17/06/2024	3:55:53 PM	1,795.5000	6	XCSE
Genmab A/S	17/06/2024	3:56:13 PM	1,795.5000	10	XCSE
Genmab A/S	17/06/2024	3:56:13 PM	1,795.5000	11	XCSE
Genmab A/S	17/06/2024	3:56:14 PM	1,795.5000	27	XCSE
Genmab A/S	17/06/2024	3:56:14 PM	1,795.5000	27	XCSE
Genmab A/S	17/06/2024	3:56:14 PM	1,795.5000	5	XCSE
Genmab A/S	17/06/2024	3:56:14 PM	1,795.5000	22	XCSE
Genmab A/S	17/06/2024	3:56:14 PM	1,795.5000	27	XCSE
Genmab A/S	17/06/2024	3:56:16 PM	1,795.0000	38	XCSE
Genmab A/S	17/06/2024	3:56:16 PM	1,795.0000	10	XCSE
Genmab A/S	17/06/2024	3:56:16 PM	1,795.0000	8	XCSE
Genmab A/S	17/06/2024	3:56:16 PM	1,795.0000	40	XCSE
Genmab A/S	17/06/2024	3:56:16 PM	1,795.0000	10	XCSE
Genmab A/S	17/06/2024	3:57:13 PM	1,794.5000	26	XCSE
Genmab A/S	17/06/2024	3:57:13 PM	1,794.5000	26	XCSE
Genmab A/S	17/06/2024	3:57:13 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	3:57:47 PM	1,794.5000	2	XCSE
Genmab A/S	17/06/2024	3:57:49 PM	1,794.5000	37	XCSE
Genmab A/S	17/06/2024	3:58:33 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	3:58:33 PM	1,795.0000	6	XCSE
Genmab A/S	17/06/2024	3:58:53 PM	1,795.0000	21	AQEU
Genmab A/S	17/06/2024	3:58:53 PM	1,795.0000	16	XCSE
Genmab A/S	17/06/2024	3:58:53 PM	1,795.0000	8	XCSE
Genmab A/S	17/06/2024	3:58:53 PM	1,795.0000	40	XCSE
Genmab A/S	17/06/2024	3:59:59 PM	1,795.0000	22	XCSE
Genmab A/S	17/06/2024	3:59:59 PM	1,795.0000	24	XCSE
Genmab A/S	17/06/2024	3:59:59 PM	1,795.0000	152	XCSE
Genmab A/S	17/06/2024	3:59:59 PM	1,795.0000	22	XCSE
Genmab A/S	17/06/2024	3:59:59 PM	1,795.0000	24	XCSE
Genmab A/S	17/06/2024	4:00:02 PM	1,796.5000	15	XCSE
Genmab A/S	17/06/2024	4:00:07 PM	1,796.0000	137	XCSE
Genmab A/S	17/06/2024	4:00:07 PM	1,796.0000	137	XCSE
Genmab A/S	17/06/2024	4:00:07 PM	1,796.0000	23	XCSE
Genmab A/S	17/06/2024	4:00:07 PM	1,796.0000	114	XCSE
Genmab A/S	17/06/2024	4:00:07 PM	1,796.0000	13	XCSE
Genmab A/S	17/06/2024	4:00:18 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	4:00:18 PM	1,795.0000	1	XCSE
Genmab A/S	17/06/2024	4:00:54 PM	1,794.5000	17	XCSE
Genmab A/S	17/06/2024	4:00:54 PM	1,794.5000	35	XCSE
Genmab A/S	17/06/2024	4:00:54 PM	1,794.5000	15	XCSE
Genmab A/S	17/06/2024	4:00:54 PM	1,794.5000	50	XCSE
Genmab A/S	17/06/2024	4:00:54 PM	1,794.5000	50	XCSE
Genmab A/S	17/06/2024	4:00:54 PM	1,794.5000	2	AQEU

62

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	4:00:54 PM	1,794.5000	12	AQEU
Genmab A/S	17/06/2024	4:00:54 PM	1,794.5000	11	XCSE
Genmab A/S	17/06/2024	4:00:57 PM	1,794.5000	137	XCSE
Genmab A/S	17/06/2024	4:00:57 PM	1,794.5000	15	XCSE
Genmab A/S	17/06/2024	4:00:57 PM	1,794.5000	18	XCSE
Genmab A/S	17/06/2024	4:02:23 PM	1,794.0000	4	AQEU
Genmab A/S	17/06/2024	4:02:25 PM	1,794.0000	4	AQEU
Genmab A/S	17/06/2024	4:02:25 PM	1,794.0000	17	XCSE
Genmab A/S	17/06/2024	4:03:27 PM	1,793.5000	11	XCSE
Genmab A/S	17/06/2024	4:03:27 PM	1,793.5000	198	XCSE
Genmab A/S	17/06/2024	4:03:27 PM	1,793.5000	41	XCSE
Genmab A/S	17/06/2024	4:03:27 PM	1,793.5000	13	XCSE
Genmab A/S	17/06/2024	4:03:27 PM	1,793.5000	25	XCSE
Genmab A/S	17/06/2024	4:03:27 PM	1,793.5000	33	XCSE
Genmab A/S	17/06/2024	4:03:31 PM	1,793.5000	27	XCSE
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	3	AQEU
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	16	AQEU
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	22	XCSE
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	15	XCSE
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	100	XCSE
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	35	XCSE
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	22	XCSE
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	78	XCSE
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	22	XCSE
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	40	XCSE
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	3	AQEU
Genmab A/S	17/06/2024	4:05:04 PM	1,795.5000	22	XCSE
Genmab A/S	17/06/2024	4:05:13 PM	1,793.5000	52	XCSE
Genmab A/S	17/06/2024	4:05:13 PM	1,793.5000	50	XCSE
Genmab A/S	17/06/2024	4:05:13 PM	1,793.5000	297	XCSE
Genmab A/S	17/06/2024	4:05:13 PM	1,793.5000	222	XCSE
Genmab A/S	17/06/2024	4:08:50 PM	1,794.0000	23	XCSE
Genmab A/S	17/06/2024	4:08:50 PM	1,794.0000	3	XCSE
Genmab A/S	17/06/2024	4:10:18 PM	1,795.0000	11	XCSE
Genmab A/S	17/06/2024	4:10:18 PM	1,795.0000	28	XCSE
Genmab A/S	17/06/2024	4:10:28 PM	1,795.0000	22	XCSE
Genmab A/S	17/06/2024	4:10:28 PM	1,795.0000	7	XCSE
Genmab A/S	17/06/2024	4:10:28 PM	1,795.0000	6	XCSE
Genmab A/S	17/06/2024	4:10:32 PM	1,794.0000	23	XCSE
Genmab A/S	17/06/2024	4:10:32 PM	1,794.0000	52	XCSE
Genmab A/S	17/06/2024	4:10:32 PM	1,794.0000	92	XCSE
Genmab A/S	17/06/2024	4:10:32 PM	1,794.0000	50	XCSE
Genmab A/S	17/06/2024	4:10:32 PM	1,794.0000	17	XCSE
Genmab A/S	17/06/2024	4:10:36 PM	1,794.0000	23	XCSE
Genmab A/S	17/06/2024	4:10:50 PM	1,793.5000	189	XCSE
Genmab A/S	17/06/2024	4:10:50 PM	1,793.5000	174	XCSE
Genmab A/S	17/06/2024	4:10:50 PM	1,793.5000	22	XCSE
Genmab A/S	17/06/2024	4:11:25 PM	1,792.0000	6	AQEU
Genmab A/S	17/06/2024	4:12:27 PM	1,792.5000	6	AQEU

63

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	4:12:27 PM	1,792.5000	40	XCSE
Genmab A/S	17/06/2024	4:12:27 PM	1,792.5000	2	AQEU
Genmab A/S	17/06/2024	4:12:50 PM	1,792.0000	20	AQEU
Genmab A/S	17/06/2024	4:12:50 PM	1,792.0000	157	XCSE
Genmab A/S	17/06/2024	4:12:51 PM	1,791.5000	47	XCSE
Genmab A/S	17/06/2024	4:12:51 PM	1,791.5000	72	XCSE
Genmab A/S	17/06/2024	4:12:51 PM	1,791.5000	27	XCSE
Genmab A/S	17/06/2024	4:12:51 PM	1,791.5000	20	XCSE
Genmab A/S	17/06/2024	4:12:51 PM	1,791.5000	7	XCSE
Genmab A/S	17/06/2024	4:14:43 PM	1,794.5000	26	XCSE
Genmab A/S	17/06/2024	4:14:43 PM	1,794.5000	22	XCSE
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	9	XCSE
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	10	XCSE
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	9	XCSE
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	10	XCSE
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	3	AQEU
Genmab A/S	17/06/2024	4:15:18 PM	1,795.0000	19	XCSE
Genmab A/S	17/06/2024	4:16:05 PM	1,795.0000	250	XCSE
Genmab A/S	17/06/2024	4:16:05 PM	1,795.0000	22	XCSE
Genmab A/S	17/06/2024	4:16:05 PM	1,795.0000	22	XCSE
Genmab A/S	17/06/2024	4:16:05 PM	1,795.0000	1	XCSE
Genmab A/S	17/06/2024	4:16:05 PM	1,795.0000	22	XCSE
Genmab A/S	17/06/2024	4:16:05 PM	1,795.0000	22	XCSE
Genmab A/S	17/06/2024	4:16:59 PM	1,795.0000	24	XCSE
Genmab A/S	17/06/2024	4:16:59 PM	1,795.0000	3	XCSE
Genmab A/S	17/06/2024	4:17:02 PM	1,795.0000	24	XCSE
Genmab A/S	17/06/2024	4:17:02 PM	1,795.0000	1	XCSE
Genmab A/S	17/06/2024	4:18:49 PM	1,794.5000	1	AQEU
Genmab A/S	17/06/2024	4:18:49 PM	1,794.5000	16	AQEU
Genmab A/S	17/06/2024	4:18:49 PM	1,794.5000	15	AQEU
Genmab A/S	17/06/2024	4:18:49 PM	1,794.5000	7	XCSE
Genmab A/S	17/06/2024	4:19:07 PM	1,795.0000	10	XCSE
Genmab A/S	17/06/2024	4:19:07 PM	1,795.0000	28	XCSE
Genmab A/S	17/06/2024	4:19:22 PM	1,795.0000	9	AQEU
Genmab A/S	17/06/2024	4:19:22 PM	1,795.0000	26	AQEU
Genmab A/S	17/06/2024	4:19:22 PM	1,795.0000	8	AQEU
Genmab A/S	17/06/2024	4:19:22 PM	1,795.0000	4	AQEU
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	41	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	25	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	3	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	22	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	67	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	7	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	11	XCSE

64

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	7	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	8	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	25	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	25	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	15	XCSE
Genmab A/S	17/06/2024	4:19:24 PM	1,794.5000	25	XCSE
Genmab A/S	17/06/2024	4:19:25 PM	1,794.0000	6	XCSE
Genmab A/S	17/06/2024	4:19:25 PM	1,794.0000	16	XCSE
Genmab A/S	17/06/2024	4:19:25 PM	1,794.0000	4	XCSE
Genmab A/S	17/06/2024	4:19:25 PM	1,794.0000	7	XCSE
Genmab A/S	17/06/2024	4:19:25 PM	1,794.0000	26	XCSE
Genmab A/S	17/06/2024	4:19:25 PM	1,794.0000	14	XCSE
Genmab A/S	17/06/2024	4:19:26 PM	1,794.0000	26	XCSE
Genmab A/S	17/06/2024	4:19:26 PM	1,794.0000	309	XCSE
Genmab A/S	17/06/2024	4:19:26 PM	1,794.0000	2	XCSE
Genmab A/S	17/06/2024	4:22:55 PM	1,795.5000	42	XCSE
Genmab A/S	17/06/2024	4:22:55 PM	1,795.5000	9	XCSE
Genmab A/S	17/06/2024	4:22:55 PM	1,795.5000	21	XCSE
Genmab A/S	17/06/2024	4:22:55 PM	1,795.5000	21	XCSE
Genmab A/S	17/06/2024	4:22:55 PM	1,795.5000	42	XCSE
Genmab A/S	17/06/2024	4:22:55 PM	1,795.5000	41	XCSE
Genmab A/S	17/06/2024	4:23:50 PM	1,796.0000	9	AQEU
Genmab A/S	17/06/2024	4:23:50 PM	1,796.0000	16	AQEU
Genmab A/S	17/06/2024	4:23:50 PM	1,796.0000	15	AQEU
Genmab A/S	17/06/2024	4:24:41 PM	1,795.5000	106	XCSE
Genmab A/S	17/06/2024	4:24:41 PM	1,795.5000	106	XCSE
Genmab A/S	17/06/2024	4:25:00 PM	1,795.5000	76	XCSE
Genmab A/S	17/06/2024	4:25:30 PM	1,797.0000	4	CEUX
Genmab A/S	17/06/2024	4:25:37 PM	1,797.0000	153	XCSE
Genmab A/S	17/06/2024	4:25:37 PM	1,797.0000	39	XCSE
Genmab A/S	17/06/2024	4:25:37 PM	1,797.0000	30	XCSE
Genmab A/S	17/06/2024	4:25:37 PM	1,797.0000	123	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	26	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	222	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	28	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	26	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	23	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	3	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	26	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	26	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	28	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	7	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	12	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	7	XCSE
Genmab A/S	17/06/2024	4:26:36 PM	1,797.0000	3	XCSE
Genmab A/S	17/06/2024	4:29:08 PM	1,797.0000	30	XCSE
Genmab A/S	17/06/2024	4:29:08 PM	1,797.0000	253	XCSE
Genmab A/S	17/06/2024	4:29:08 PM	1,797.0000	47	XCSE
Genmab A/S	17/06/2024	4:29:08 PM	1,797.0000	13	XCSE

65

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	4:29:08 PM	1,797.0000	12	XCSE
Genmab A/S	17/06/2024	4:29:12 PM	1,797.0000	106	XCSE
Genmab A/S	17/06/2024	4:29:12 PM	1,797.0000	110	XCSE
Genmab A/S	17/06/2024	4:29:12 PM	1,796.0000	37	XCSE
Genmab A/S	17/06/2024	4:29:12 PM	1,796.0000	8	XCSE
Genmab A/S	17/06/2024	4:29:12 PM	1,796.0000	18	XCSE
Genmab A/S	17/06/2024	4:30:46 PM	1,795.5000	78	XCSE
Genmab A/S	17/06/2024	4:32:25 PM	1,799.5000	50	XCSE
Genmab A/S	17/06/2024	4:32:25 PM	1,799.5000	100	XCSE
Genmab A/S	17/06/2024	4:32:25 PM	1,799.5000	65	XCSE
Genmab A/S	17/06/2024	4:32:25 PM	1,799.5000	49	XCSE
Genmab A/S	17/06/2024	4:32:28 PM	1,799.0000	47	XCSE
Genmab A/S	17/06/2024	4:32:28 PM	1,799.0000	47	XCSE
Genmab A/S	17/06/2024	4:32:28 PM	1,799.0000	47	XCSE
Genmab A/S	17/06/2024	4:32:28 PM	1,799.0000	3	XCSE
Genmab A/S	17/06/2024	4:32:29 PM	1,799.0000	47	XCSE
Genmab A/S	17/06/2024	4:35:00 PM	1,799.5000	10	AQEU
Genmab A/S	17/06/2024	4:35:00 PM	1,799.5000	16	AQEU
Genmab A/S	17/06/2024	4:35:10 PM	1,799.5000	2	AQEU
Genmab A/S	17/06/2024	4:35:10 PM	1,799.5000	16	AQEU
Genmab A/S	17/06/2024	4:35:10 PM	1,799.5000	11	AQEU
Genmab A/S	17/06/2024	4:35:14 PM	1,799.5000	11	AQEU
Genmab A/S	17/06/2024	4:35:14 PM	1,799.5000	2	AQEU
Genmab A/S	17/06/2024	4:35:14 PM	1,799.5000	16	AQEU
Genmab A/S	17/06/2024	4:35:14 PM	1,799.5000	4	AQEU
Genmab A/S	17/06/2024	4:35:23 PM	1,799.5000	4	AQEU
Genmab A/S	17/06/2024	4:35:23 PM	1,799.5000	11	AQEU
Genmab A/S	17/06/2024	4:35:23 PM	1,799.5000	4	AQEU
Genmab A/S	17/06/2024	4:35:33 PM	1,799.5000	14	CEUX
Genmab A/S	17/06/2024	4:35:33 PM	1,799.5000	3	CEUX
Genmab A/S	17/06/2024	4:35:45 PM	1,799.5000	5	XCSE
Genmab A/S	17/06/2024	4:36:09 PM	1,799.5000	74	XCSE
Genmab A/S	17/06/2024	4:36:09 PM	1,799.5000	146	XCSE
Genmab A/S	17/06/2024	4:36:09 PM	1,799.5000	77	XCSE
Genmab A/S	17/06/2024	4:36:09 PM	1,799.5000	77	XCSE
Genmab A/S	17/06/2024	4:36:09 PM	1,799.5000	38	XCSE
Genmab A/S	17/06/2024	4:36:09 PM	1,799.5000	108	XCSE
Genmab A/S	17/06/2024	4:36:09 PM	1,799.5000	189	XCSE
Genmab A/S	17/06/2024	4:36:09 PM	1,799.5000	38	XCSE
Genmab A/S	17/06/2024	4:36:09 PM	1,799.5000	35	XCSE
Genmab A/S	17/06/2024	4:36:11 PM	1,798.0000	15	XCSE
Genmab A/S	17/06/2024	4:36:11 PM	1,798.0000	35	XCSE
Genmab A/S	17/06/2024	4:36:11 PM	1,798.0000	35	XCSE
Genmab A/S	17/06/2024	4:36:11 PM	1,798.0000	50	XCSE
Genmab A/S	17/06/2024	4:38:17 PM	1,798.0000	6	XCSE
Genmab A/S	17/06/2024	4:40:25 PM	1,799.0000	22	XCSE
Genmab A/S	17/06/2024	4:40:25 PM	1,799.0000	40	XCSE
Genmab A/S	17/06/2024	4:40:25 PM	1,799.0000	22	XCSE
Genmab A/S	17/06/2024	4:40:25 PM	1,799.0000	18	XCSE

66

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	4:40:25 PM	1,799.0000	22	XCSE
Genmab A/S	17/06/2024	4:40:25 PM	1,799.0000	22	XCSE
Genmab A/S	17/06/2024	4:40:25 PM	1,799.0000	22	XCSE
Genmab A/S	17/06/2024	4:40:25 PM	1,799.0000	1	XCSE
Genmab A/S	17/06/2024	4:40:47 PM	1,798.5000	5	XCSE
Genmab A/S	17/06/2024	4:41:26 PM	1,799.0000	24	TQEX
Genmab A/S	17/06/2024	4:41:26 PM	1,799.0000	1	TQEX
Genmab A/S	17/06/2024	4:41:39 PM	1,799.5000	31	XCSE
Genmab A/S	17/06/2024	4:41:39 PM	1,799.5000	4	XCSE
Genmab A/S	17/06/2024	4:41:39 PM	1,799.5000	15	XCSE
Genmab A/S	17/06/2024	4:41:39 PM	1,799.5000	59	XCSE
Genmab A/S	17/06/2024	4:41:39 PM	1,799.5000	23	XCSE
Genmab A/S	17/06/2024	4:41:39 PM	1,799.5000	9	XCSE
Genmab A/S	17/06/2024	4:41:39 PM	1,799.5000	7	XCSE
Genmab A/S	17/06/2024	4:42:07 PM	1,799.5000	41	XCSE
Genmab A/S	17/06/2024	4:42:07 PM	1,799.5000	100	XCSE
Genmab A/S	17/06/2024	4:42:07 PM	1,799.5000	62	XCSE
Genmab A/S	17/06/2024	4:42:07 PM	1,799.5000	53	XCSE
Genmab A/S	17/06/2024	4:42:07 PM	1,799.5000	26	XCSE
Genmab A/S	17/06/2024	4:42:07 PM	1,799.5000	1	XCSE
Genmab A/S	17/06/2024	4:42:07 PM	1,799.5000	25	XCSE
Genmab A/S	17/06/2024	4:42:07 PM	1,799.5000	178	XCSE
Genmab A/S	17/06/2024	4:42:07 PM	1,799.5000	143	XCSE
Genmab A/S	17/06/2024	4:44:02 PM	1,799.5000	25	XCSE
Genmab A/S	17/06/2024	4:44:02 PM	1,799.5000	34	XCSE
Genmab A/S	17/06/2024	4:44:02 PM	1,799.5000	210	XCSE
Genmab A/S	17/06/2024	4:44:02 PM	1,799.5000	10	XCSE
Genmab A/S	17/06/2024	4:44:02 PM	1,799.5000	212	XCSE
Genmab A/S	17/06/2024	4:44:02 PM	1,799.5000	32	XCSE
Genmab A/S	17/06/2024	4:44:02 PM	1,799.5000	158	XCSE
Genmab A/S	17/06/2024	4:44:02 PM	1,799.5000	5	XCSE
Genmab A/S	17/06/2024	4:44:02 PM	1,799.5000	11	XCSE
Genmab A/S	17/06/2024	4:44:02 PM	1,799.5000	174	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	27	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	1	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	23	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	59	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	26	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	2	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	68	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	5	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	18	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	5	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	18	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	28	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	28	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	28	XCSE
Genmab A/S	17/06/2024	4:47:07 PM	1,801.0000	28	XCSE
Genmab A/S	17/06/2024	4:47:08 PM	1,801.0000	28	XCSE

67

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	4:47:08 PM	1,801.0000	28	XCSE
Genmab A/S	17/06/2024	4:47:08 PM	1,801.0000	28	XCSE
Genmab A/S	17/06/2024	4:47:09 PM	1,801.0000	28	XCSE
Genmab A/S	17/06/2024	4:47:09 PM	1,801.0000	25	XCSE
Genmab A/S	17/06/2024	4:47:09 PM	1,801.0000	3	XCSE
Genmab A/S	17/06/2024	4:47:10 PM	1,801.0000	28	XCSE
Genmab A/S	17/06/2024	4:47:11 PM	1,801.0000	28	XCSE
Genmab A/S	17/06/2024	4:47:21 PM	1,800.5000	105	XCSE
Genmab A/S	17/06/2024	4:47:21 PM	1,800.5000	12	XCSE
Genmab A/S	17/06/2024	4:47:36 PM	1,800.5000	105	XCSE
Genmab A/S	17/06/2024	4:47:36 PM	1,800.5000	4	XCSE
Genmab A/S	17/06/2024	4:47:36 PM	1,800.5000	16	XCSE
Genmab A/S	17/06/2024	4:47:37 PM	1,800.5000	24	XCSE
Genmab A/S	17/06/2024	4:47:37 PM	1,800.5000	61	XCSE
Genmab A/S	17/06/2024	4:47:37 PM	1,800.5000	41	XCSE
Genmab A/S	17/06/2024	4:47:37 PM	1,800.5000	64	XCSE
Genmab A/S	17/06/2024	4:47:37 PM	1,800.5000	23	XCSE
Genmab A/S	17/06/2024	4:47:37 PM	1,800.5000	52	XCSE
Genmab A/S	17/06/2024	4:47:37 PM	1,799.5000	14	XCSE
Genmab A/S	17/06/2024	4:47:37 PM	1,799.5000	36	XCSE
Genmab A/S	17/06/2024	4:47:38 PM	1,799.5000	50	XCSE
Genmab A/S	17/06/2024	4:47:40 PM	1,799.5000	17	XCSE
Genmab A/S	17/06/2024	4:47:40 PM	1,799.5000	33	XCSE
Genmab A/S	17/06/2024	4:47:40 PM	1,799.5000	17	XCSE
Genmab A/S	17/06/2024	4:48:53 PM	1,798.0000	13	XCSE
Genmab A/S	17/06/2024	4:49:02 PM	1,798.0000	10	XCSE
Genmab A/S	17/06/2024	4:49:07 PM	1,798.0000	3	XCSE
Genmab A/S	17/06/2024	4:50:06 PM	1,799.0000	20	XCSE
Genmab A/S	17/06/2024	4:50:06 PM	1,799.0000	10	XCSE
Genmab A/S	17/06/2024	4:50:06 PM	1,799.0000	3	XCSE
Genmab A/S	17/06/2024	4:50:38 PM	1,798.5000	22	XCSE
Genmab A/S	17/06/2024	4:50:38 PM	1,798.5000	13	XCSE
Genmab A/S	17/06/2024	4:50:38 PM	1,798.5000	9	XCSE
Genmab A/S	17/06/2024	4:50:38 PM	1,798.5000	4	XCSE
Genmab A/S	17/06/2024	4:50:49 PM	1,798.5000	59	XCSE
Genmab A/S	17/06/2024	4:50:49 PM	1,798.5000	25	XCSE
Genmab A/S	17/06/2024	4:50:49 PM	1,798.5000	3	XCSE
Genmab A/S	17/06/2024	4:50:49 PM	1,798.0000	7	XCSE
Genmab A/S	17/06/2024	4:50:52 PM	1,798.0000	18	XCSE
Genmab A/S	17/06/2024	4:50:52 PM	1,798.0000	15	XCSE
Genmab A/S	17/06/2024	4:51:00 PM	1,798.0000	13	XCSE
Genmab A/S	17/06/2024	4:51:01 PM	1,798.0000	32	XCSE
Genmab A/S	17/06/2024	4:51:01 PM	1,798.0000	99	XCSE
Genmab A/S	17/06/2024	4:51:01 PM	1,798.0000	13	XCSE
Genmab A/S	17/06/2024	4:51:37 PM	1,798.5000	16	XCSE
Genmab A/S	17/06/2024	4:51:37 PM	1,798.5000	13	XCSE
Genmab A/S	17/06/2024	4:51:37 PM	1,798.5000	14	XCSE
Genmab A/S	17/06/2024	4:51:37 PM	1,798.5000	13	XCSE
Genmab A/S	17/06/2024	4:51:37 PM	1,798.5000	46	XCSE

68

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	17/06/2024	4:51:37 PM	1,798.5000	26	XCSE
Genmab A/S	17/06/2024	4:51:37 PM	1,798.0000	25	XCSE
Genmab A/S	17/06/2024	4:51:45 PM	1,799.0000	21	XCSE
Genmab A/S	17/06/2024	4:51:47 PM	1,799.0000	33	XCSE
Genmab A/S	17/06/2024	4:51:47 PM	1,799.0000	30	XCSE
Genmab A/S	17/06/2024	4:51:47 PM	1,799.0000	33	XCSE
Genmab A/S	17/06/2024	4:51:47 PM	1,799.0000	13	XCSE
Genmab A/S	17/06/2024	4:52:14 PM	1,799.5000	5	XCSE
Genmab A/S	17/06/2024	4:52:14 PM	1,799.5000	23	XCSE
Genmab A/S	17/06/2024	4:52:14 PM	1,799.5000	59	XCSE
Genmab A/S	17/06/2024	4:52:14 PM	1,799.5000	12	XCSE
Genmab A/S	17/06/2024	4:52:15 PM	1,799.5000	12	XCSE
Genmab A/S	17/06/2024	4:52:15 PM	1,799.5000	23	XCSE
Genmab A/S	17/06/2024	4:52:15 PM	1,799.5000	59	XCSE
Genmab A/S	17/06/2024	4:52:16 PM	1,799.5000	11	XCSE
Genmab A/S	17/06/2024	4:52:16 PM	1,799.5000	59	XCSE
Genmab A/S	17/06/2024	4:52:16 PM	1,799.5000	23	XCSE
Genmab A/S	17/06/2024	4:52:20 PM	1,799.5000	10	XCSE
Genmab A/S	17/06/2024	4:52:20 PM	1,799.5000	23	XCSE
Genmab A/S	17/06/2024	4:52:20 PM	1,799.5000	69	XCSE
Genmab A/S	17/06/2024	4:52:25 PM	1,799.5000	31	XCSE
Genmab A/S	17/06/2024	4:52:25 PM	1,799.5000	8	XCSE
Genmab A/S	17/06/2024	4:52:28 PM	1,799.5000	22	XCSE
Genmab A/S	17/06/2024	4:52:28 PM	1,799.5000	10	XCSE
Genmab A/S	17/06/2024	4:52:28 PM	1,799.5000	6	XCSE
Genmab A/S	17/06/2024	4:53:57 PM	1,799.5000	47	XCSE
Genmab A/S	17/06/2024	4:53:57 PM	1,799.5000	2	XCSE
Genmab A/S	17/06/2024	4:53:57 PM	1,799.5000	49	XCSE
Genmab A/S	17/06/2024	4:53:57 PM	1,799.5000	47	XCSE
Genmab A/S	17/06/2024	4:54:49 PM	1,799.0000	3	XCSE
Genmab A/S	17/06/2024	4:54:50 PM	1,799.0000	23	XCSE
Genmab A/S	17/06/2024	4:54:50 PM	1,799.0000	19	XCSE
Genmab A/S	17/06/2024	4:54:50 PM	1,799.0000	19	XCSE
Genmab A/S	17/06/2024	4:54:50 PM	1,799.0000	35	XCSE
Genmab A/S	17/06/2024	4:54:50 PM	1,799.0000	13	XCSE
Genmab A/S	17/06/2024	4:54:50 PM	1,799.0000	6	XCSE
Genmab A/S	17/06/2024	4:54:50 PM	1,798.5000	64	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,787.5000	10	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,787.5000	28	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	13	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	11	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	13	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	11	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	41	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	11	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	13	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	11	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	45	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	11	XCSE

69

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	13	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	11	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	2	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	11	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	11	XCSE
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	12	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	10	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	12	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	3	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	7	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	3	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,785.5000	5	TQEX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	9	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	1	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	9	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	3	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	9	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	2	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	8	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	12	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	10	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	10	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	2	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	10	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	12	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	9	CEUX
Genmab A/S	18/06/2024	9:02:03 AM	1,786.0000	1	CEUX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	34	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	34	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	34	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	48	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	34	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	34	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	34	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	34	XCSE

70

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	3	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	1	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	34	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	25	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	43	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	7	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	9	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	18	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	16	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	18	XCSE
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	5	TQEX
Genmab A/S	18/06/2024	9:02:26 AM	1,787.0000	21	TQEX
Genmab A/S	18/06/2024	9:04:08 AM	1,780.0000	8	XCSE
Genmab A/S	18/06/2024	9:04:08 AM	1,780.0000	12	XCSE
Genmab A/S	18/06/2024	9:04:08 AM	1,780.0000	13	CEUX
Genmab A/S	18/06/2024	9:04:08 AM	1,780.0000	13	CEUX
Genmab A/S	18/06/2024	9:04:08 AM	1,780.0000	5	TQEX
Genmab A/S	18/06/2024	9:04:08 AM	1,780.0000	5	TQEX
Genmab A/S	18/06/2024	9:04:35 AM	1,784.0000	8	CEUX
Genmab A/S	18/06/2024	9:04:35 AM	1,784.0000	86	CEUX
Genmab A/S	18/06/2024	9:04:42 AM	1,782.5000	20	CEUX
Genmab A/S	18/06/2024	9:04:42 AM	1,782.5000	2	CEUX
Genmab A/S	18/06/2024	9:04:46 AM	1,782.5000	22	CEUX
Genmab A/S	18/06/2024	9:04:58 AM	1,784.0000	9	CEUX
Genmab A/S	18/06/2024	9:04:58 AM	1,784.0000	22	CEUX
Genmab A/S	18/06/2024	9:05:43 AM	1,784.0000	27	XCSE
Genmab A/S	18/06/2024	9:05:43 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:43 AM	1,784.0000	27	XCSE
Genmab A/S	18/06/2024	9:05:43 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:43 AM	1,784.0000	26	CEUX
Genmab A/S	18/06/2024	9:05:43 AM	1,784.0000	11	CEUX

71

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:05:43 AM	1,784.0000	26	CEUX
Genmab A/S	18/06/2024	9:05:43 AM	1,784.0000	4	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	27	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	5	TQEX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	5	TQEX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	2	TQEX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	1	TQEX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	7	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	26	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	12	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	5	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	5	TQEX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	39	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	5	TQEX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	CEUX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	11	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	5	TQEX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	5	TQEX
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	9	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	2	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	2	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	2	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	5	TQEX
Genmab A/S	18/06/2024	9:05:44 AM	1,783.0000	16	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,783.0000	9	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	27	XCSE
Genmab A/S	18/06/2024	9:05:44 AM	1,784.0000	1	CEUX
Genmab A/S	18/06/2024	9:05:46 AM	1,783.0000	23	CEUX
Genmab A/S	18/06/2024	9:05:46 AM	1,783.0000	5	TQEX
Genmab A/S	18/06/2024	9:05:52 AM	1,780.5000	52	XCSE
Genmab A/S	18/06/2024	9:07:28 AM	1,783.0000	9	XCSE
Genmab A/S	18/06/2024	9:07:28 AM	1,783.0000	28	XCSE
Genmab A/S	18/06/2024	9:07:28 AM	1,783.0000	24	XCSE
Genmab A/S	18/06/2024	9:08:52 AM	1,788.5000	42	XCSE

72

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:08:52 AM	1,788.5000	42	XCSE
Genmab A/S	18/06/2024	9:08:52 AM	1,788.5000	50	XCSE
Genmab A/S	18/06/2024	9:08:52 AM	1,788.5000	13	XCSE
Genmab A/S	18/06/2024	9:08:52 AM	1,788.5000	24	XCSE
Genmab A/S	18/06/2024	9:08:52 AM	1,788.5000	5	XCSE
Genmab A/S	18/06/2024	9:08:52 AM	1,788.5000	13	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	42	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	42	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	9	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	42	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	42	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	8	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	14	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	6	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	22	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	6	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	42	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	40	XCSE
Genmab A/S	18/06/2024	9:08:53 AM	1,788.5000	2	XCSE
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	3	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	22	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	5	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	25	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	8	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	8	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	17	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	19	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	6	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	27	XCSE
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	25	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	25	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	25	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	9	XCSE
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	9	XCSE
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	13	CEUX
Genmab A/S	18/06/2024	9:10:18 AM	1,793.5000	12	CEUX
Genmab A/S	18/06/2024	9:10:19 AM	1,793.0000	8	CEUX
Genmab A/S	18/06/2024	9:10:19 AM	1,793.0000	17	CEUX
Genmab A/S	18/06/2024	9:10:19 AM	1,793.0000	5	TQEX
Genmab A/S	18/06/2024	9:10:19 AM	1,793.0000	5	TQEX
Genmab A/S	18/06/2024	9:10:19 AM	1,793.0000	27	XCSE
Genmab A/S	18/06/2024	9:10:19 AM	1,793.0000	27	XCSE
Genmab A/S	18/06/2024	9:10:19 AM	1,793.0000	5	TQEX
Genmab A/S	18/06/2024	9:10:19 AM	1,793.0000	5	TQEX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	1	AQEU
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	10	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	10	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	3	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	5	TQEX

73

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	5	TQEX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	9	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	9	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	6	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	10	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	4	TQEX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	10	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	1	AQEU
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	3	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	2	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	10	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	1	AQEU
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	1	TQEX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	8	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	1	AQEU
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	5	TQEX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	7	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	5	TQEX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	5	TQEX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	2	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	2	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	1	AQEU
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	5	TQEX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	5	TQEX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	9	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	9	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	9	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	9	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	8	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	5	TQEX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	8	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	8	CEUX
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	1	AQEU
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	1	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	8	XCSE
Genmab A/S	18/06/2024	9:10:57 AM	1,792.5000	4	XCSE
Genmab A/S	18/06/2024	9:10:59 AM	1,791.5000	54	TQEX
Genmab A/S	18/06/2024	9:11:44 AM	1,790.0000	4	XCSE
Genmab A/S	18/06/2024	9:11:44 AM	1,790.0000	18	XCSE
Genmab A/S	18/06/2024	9:11:44 AM	1,790.0000	22	XCSE
Genmab A/S	18/06/2024	9:11:44 AM	1,790.0000	4	XCSE
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	1	XCSE
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	23	XCSE
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	24	CEUX
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	5	TQEX
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	24	CEUX
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	24	CEUX
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	24	XCSE
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	24	XCSE

74

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	12	CEUX
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	3	AQEU
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	2	CEUX
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	3	AQEU
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	5	TQEX
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	5	TQEX
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	24	XCSE
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	56	CEUX
Genmab A/S	18/06/2024	9:12:35 AM	1,790.0000	13	CEUX
Genmab A/S	18/06/2024	9:12:45 AM	1,788.5000	13	XCSE
Genmab A/S	18/06/2024	9:12:45 AM	1,788.5000	9	XCSE
Genmab A/S	18/06/2024	9:13:20 AM	1,788.5000	15	XCSE
Genmab A/S	18/06/2024	9:13:20 AM	1,788.5000	33	XCSE
Genmab A/S	18/06/2024	9:13:39 AM	1,789.0000	23	XCSE
Genmab A/S	18/06/2024	9:13:39 AM	1,789.0000	10	XCSE
Genmab A/S	18/06/2024	9:13:39 AM	1,789.0000	25	XCSE
Genmab A/S	18/06/2024	9:13:39 AM	1,789.0000	21	CEUX
Genmab A/S	18/06/2024	9:13:39 AM	1,789.0000	21	CEUX
Genmab A/S	18/06/2024	9:13:39 AM	1,789.0000	13	CEUX
Genmab A/S	18/06/2024	9:13:39 AM	1,789.0000	8	CEUX
Genmab A/S	18/06/2024	9:13:39 AM	1,789.0000	5	TQEX
Genmab A/S	18/06/2024	9:13:39 AM	1,789.0000	12	XCSE
Genmab A/S	18/06/2024	9:13:41 AM	1,789.0000	10	XCSE
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	10	XCSE
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	13	XCSE
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	23	XCSE
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	40	XCSE
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	21	CEUX
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	21	CEUX
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	21	CEUX
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	16	CEUX
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	3	AQEU
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	5	TQEX
Genmab A/S	18/06/2024	9:13:55 AM	1,790.0000	52	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	39	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	8	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	2	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	10	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	5	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	10	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	7	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	5	TQEX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	9	XCSE
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	34	XCSE
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	54	XCSE
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	10	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	7	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	10	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	5	TQEX

75

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	10	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	10	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	3	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	5	TQEX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	7	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	7	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	10	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	10	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	5	TQEX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	5	TQEX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	10	CEUX
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	9	XCSE
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	11	XCSE
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	9	XCSE
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	9	XCSE
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	9	XCSE
Genmab A/S	18/06/2024	9:16:41 AM	1,790.0000	10	CEUX
Genmab A/S	18/06/2024	9:17:06 AM	1,790.0000	72	XCSE
Genmab A/S	18/06/2024	9:17:06 AM	1,790.0000	65	CEUX
Genmab A/S	18/06/2024	9:17:06 AM	1,790.0000	10	AQEU
Genmab A/S	18/06/2024	9:17:06 AM	1,790.0000	10	TQEX
Genmab A/S	18/06/2024	9:17:36 AM	1,789.0000	56	CEUX
Genmab A/S	18/06/2024	9:17:36 AM	1,789.0000	7	CEUX
Genmab A/S	18/06/2024	9:17:36 AM	1,789.0000	9	AQEU
Genmab A/S	18/06/2024	9:17:36 AM	1,789.0000	10	TQEX
Genmab A/S	18/06/2024	9:17:36 AM	1,789.0000	70	XCSE
Genmab A/S	18/06/2024	9:17:36 AM	1,788.0000	47	XCSE
Genmab A/S	18/06/2024	9:17:36 AM	1,788.0000	47	XCSE
Genmab A/S	18/06/2024	9:17:36 AM	1,788.0000	47	XCSE
Genmab A/S	18/06/2024	9:17:36 AM	1,788.0000	9	XCSE
Genmab A/S	18/06/2024	9:17:37 AM	1,787.5000	50	XCSE
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	9	CEUX
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	2	AQEU
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	9	CEUX
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	9	CEUX
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	5	TQEX
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	5	TQEX
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	5	TQEX
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	10	XCSE
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	27	XCSE
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	36	XCSE
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	11	XCSE
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	27	XCSE
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	19	XCSE
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	19	CEUX
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	8	XCSE
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	2	XCSE
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	7	CEUX
Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	7	CEUX

76

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:19:49 AM	1,789.0000	15	CEUX
Genmab A/S	18/06/2024	9:21:09 AM	1,789.0000	7	CEUX
Genmab A/S	18/06/2024	9:21:09 AM	1,789.0000	10	XCSE
Genmab A/S	18/06/2024	9:21:09 AM	1,789.0000	3	CEUX
Genmab A/S	18/06/2024	9:21:09 AM	1,789.0000	10	CEUX
Genmab A/S	18/06/2024	9:21:09 AM	1,789.0000	10	CEUX
Genmab A/S	18/06/2024	9:21:09 AM	1,789.0000	1	CEUX
Genmab A/S	18/06/2024	9:21:09 AM	1,789.0000	2	CEUX
Genmab A/S	18/06/2024	9:21:09 AM	1,789.0000	3	CEUX
Genmab A/S	18/06/2024	9:21:09 AM	1,789.0000	5	TQEX
Genmab A/S	18/06/2024	9:21:12 AM	1,789.0000	10	XCSE
Genmab A/S	18/06/2024	9:21:54 AM	1,788.0000	9	TQEX
Genmab A/S	18/06/2024	9:21:54 AM	1,788.0000	56	CEUX
Genmab A/S	18/06/2024	9:21:54 AM	1,788.0000	8	AQEU
Genmab A/S	18/06/2024	9:21:54 AM	1,788.0000	62	XCSE
Genmab A/S	18/06/2024	9:21:54 AM	1,788.0000	25	XCSE
Genmab A/S	18/06/2024	9:21:54 AM	1,788.0000	25	XCSE
Genmab A/S	18/06/2024	9:21:54 AM	1,788.0000	25	XCSE
Genmab A/S	18/06/2024	9:21:54 AM	1,788.0000	53	XCSE
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	5	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	28	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	75	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	74	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	74	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	1	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	18	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	1	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	74	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	1	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	13	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	11	AQEU
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	11	AQEU
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	11	AQEU
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	62	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	12	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	18	CEUX
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	11	AQEU
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	3	AQEU
Genmab A/S	18/06/2024	9:24:28 AM	1,789.0000	2	CEUX
Genmab A/S	18/06/2024	9:27:00 AM	1,795.5000	2	CEUX
Genmab A/S	18/06/2024	9:27:00 AM	1,795.5000	26	XCSE
Genmab A/S	18/06/2024	9:27:04 AM	1,795.0000	8	XCSE
Genmab A/S	18/06/2024	9:27:04 AM	1,795.0000	9	CEUX
Genmab A/S	18/06/2024	9:27:04 AM	1,795.0000	9	CEUX
Genmab A/S	18/06/2024	9:27:04 AM	1,795.0000	5	CEUX
Genmab A/S	18/06/2024	9:27:04 AM	1,795.0000	4	CEUX
Genmab A/S	18/06/2024	9:27:04 AM	1,795.0000	1	CEUX
Genmab A/S	18/06/2024	9:27:04 AM	1,795.0000	5	TQEX
Genmab A/S	18/06/2024	9:27:04 AM	1,795.0000	5	TQEX

77

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:27:04 AM	1,795.0000	8	CEUX
Genmab A/S	18/06/2024	9:27:04 AM	1,795.0000	5	TQEX
Genmab A/S	18/06/2024	9:28:14 AM	1,795.5000	14	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	30	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	24	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	54	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	10	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	30	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	15	CEUX
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	5	TQEX
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	5	TQEX
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	30	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	15	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	15	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	15	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	15	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	15	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	15	XCSE
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	15	CEUX
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	7	CEUX
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	5	TQEX
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	2	TQEX
Genmab A/S	18/06/2024	9:28:43 AM	1,795.5000	15	XCSE
Genmab A/S	18/06/2024	9:28:44 AM	1,795.5000	15	XCSE
Genmab A/S	18/06/2024	9:28:44 AM	1,795.5000	15	CEUX
Genmab A/S	18/06/2024	9:28:44 AM	1,795.5000	15	CEUX
Genmab A/S	18/06/2024	9:28:44 AM	1,795.5000	15	CEUX
Genmab A/S	18/06/2024	9:28:44 AM	1,795.5000	15	CEUX
Genmab A/S	18/06/2024	9:28:44 AM	1,795.5000	2	CEUX
Genmab A/S	18/06/2024	9:28:44 AM	1,795.5000	5	TQEX
Genmab A/S	18/06/2024	9:28:44 AM	1,795.5000	15	XCSE
Genmab A/S	18/06/2024	9:28:45 AM	1,795.5000	20	XCSE
Genmab A/S	18/06/2024	9:28:45 AM	1,795.5000	35	XCSE
Genmab A/S	18/06/2024	9:28:45 AM	1,795.5000	27	XCSE
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	23	XCSE
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	21	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	14	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	7	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	7	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	21	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	7	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	14	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	10	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	3	AQEU
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	3	AQEU
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	3	AQEU
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	5	TQEX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	5	TQEX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	3	AQEU

78

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	3	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	23	XCSE
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	8	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	18	CEUX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	3	AQEU
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	5	TQEX
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	4	XCSE
Genmab A/S	18/06/2024	9:28:46 AM	1,794.5000	19	XCSE
Genmab A/S	18/06/2024	9:31:47 AM	1,793.0000	10	CEUX
Genmab A/S	18/06/2024	9:31:47 AM	1,793.0000	10	CEUX
Genmab A/S	18/06/2024	9:31:47 AM	1,793.0000	10	CEUX
Genmab A/S	18/06/2024	9:31:47 AM	1,793.0000	2	AQEU
Genmab A/S	18/06/2024	9:31:47 AM	1,793.0000	2	AQEU
Genmab A/S	18/06/2024	9:31:47 AM	1,793.0000	2	AQEU
Genmab A/S	18/06/2024	9:31:47 AM	1,793.0000	2	AQEU
Genmab A/S	18/06/2024	9:31:47 AM	1,793.0000	2	AQEU
Genmab A/S	18/06/2024	9:31:47 AM	1,793.0000	24	XCSE
Genmab A/S	18/06/2024	9:31:47 AM	1,793.0000	10	XCSE
Genmab A/S	18/06/2024	9:31:51 AM	1,793.0000	10	XCSE
Genmab A/S	18/06/2024	9:33:38 AM	1,794.5000	22	XCSE
Genmab A/S	18/06/2024	9:34:27 AM	1,796.0000	8	CEUX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	24	XCSE
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	20	XCSE
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	55	XCSE
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	41	XCSE
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	20	XCSE
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	115	XCSE
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	55	XCSE
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	56	XCSE
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	45	XCSE
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	25	XCSE
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	49	CEUX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	3	CEUX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	46	CEUX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	3	CEUX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	49	CEUX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	7	AQEU
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	7	AQEU
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	7	AQEU
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	8	TQEX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	8	TQEX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	8	TQEX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	8	TQEX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	49	CEUX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	7	AQEU
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	8	TQEX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	8	TQEX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	6	TQEX
Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	44	CEUX

79

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:35:25 AM	1,795.0000	7	AQEU
Genmab A/S	18/06/2024	9:35:26 AM	1,795.0000	50	XCSE
Genmab A/S	18/06/2024	9:35:26 AM	1,795.0000	50	XCSE
Genmab A/S	18/06/2024	9:35:26 AM	1,795.0000	19	XCSE
Genmab A/S	18/06/2024	9:35:26 AM	1,795.0000	50	XCSE
Genmab A/S	18/06/2024	9:35:26 AM	1,795.0000	3	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	3	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	CEUX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	1	AQEU
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	1	AQEU
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	5	AQEU
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	5	TQEX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	5	TQEX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	5	TQEX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	5	TQEX
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	32	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	15	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	8	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	13	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	25	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	22	XCSE
Genmab A/S	18/06/2024	9:37:20 AM	1,796.5000	16	XCSE
Genmab A/S	18/06/2024	9:40:16 AM	1,799.0000	24	XCSE
Genmab A/S	18/06/2024	9:40:16 AM	1,799.0000	54	XCSE
Genmab A/S	18/06/2024	9:40:16 AM	1,799.0000	30	XCSE
Genmab A/S	18/06/2024	9:40:16 AM	1,799.0000	3	CEUX
Genmab A/S	18/06/2024	9:40:16 AM	1,799.0000	6	CEUX
Genmab A/S	18/06/2024	9:40:28 AM	1,799.0000	37	CEUX
Genmab A/S	18/06/2024	9:40:39 AM	1,799.0000	27	XCSE
Genmab A/S	18/06/2024	9:41:00 AM	1,799.0000	1	XCSE
Genmab A/S	18/06/2024	9:41:00 AM	1,799.0000	12	XCSE
Genmab A/S	18/06/2024	9:41:00 AM	1,799.0000	55	XCSE
Genmab A/S	18/06/2024	9:41:00 AM	1,799.0000	49	CEUX
Genmab A/S	18/06/2024	9:41:00 AM	1,799.0000	34	CEUX
Genmab A/S	18/06/2024	9:41:00 AM	1,799.0000	8	TQEX

80

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:41:00 AM	1,799.0000	44	CEUX
Genmab A/S	18/06/2024	9:41:00 AM	1,799.0000	5	CEUX
Genmab A/S	18/06/2024	9:41:00 AM	1,799.0000	45	XCSE
Genmab A/S	18/06/2024	9:41:00 AM	1,799.0000	20	CEUX
Genmab A/S	18/06/2024	9:42:53 AM	1,799.5000	3	XCSE
Genmab A/S	18/06/2024	9:42:53 AM	1,799.5000	7	XCSE
Genmab A/S	18/06/2024	9:42:53 AM	1,799.5000	4	XCSE
Genmab A/S	18/06/2024	9:42:53 AM	1,799.5000	10	CEUX
Genmab A/S	18/06/2024	9:42:53 AM	1,799.5000	5	TQEX
Genmab A/S	18/06/2024	9:42:53 AM	1,799.5000	10	XCSE
Genmab A/S	18/06/2024	9:43:26 AM	1,800.5000	6	XCSE
Genmab A/S	18/06/2024	9:43:34 AM	1,801.0000	80	CEUX
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	8	XCSE
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	22	XCSE
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	12	CEUX
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	12	CEUX
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	10	CEUX
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	9	XCSE
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	12	CEUX
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	11	CEUX
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	2	AQEU
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	1	AQEU
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	10	XCSE
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	9:43:34 AM	1,800.5000	2	AQEU
Genmab A/S	18/06/2024	9:44:31 AM	1,800.5000	36	XCSE
Genmab A/S	18/06/2024	9:44:50 AM	1,800.5000	34	XCSE
Genmab A/S	18/06/2024	9:44:50 AM	1,800.5000	20	XCSE
Genmab A/S	18/06/2024	9:44:50 AM	1,800.5000	26	XCSE
Genmab A/S	18/06/2024	9:44:50 AM	1,800.5000	23	XCSE
Genmab A/S	18/06/2024	9:44:50 AM	1,800.5000	10	TQEX
Genmab A/S	18/06/2024	9:44:50 AM	1,800.5000	36	CEUX
Genmab A/S	18/06/2024	9:44:58 AM	1,800.5000	9	XCSE
Genmab A/S	18/06/2024	9:44:59 AM	1,800.5000	9	CEUX
Genmab A/S	18/06/2024	9:45:10 AM	1,800.0000	5	CEUX
Genmab A/S	18/06/2024	9:45:10 AM	1,800.0000	108	CEUX
Genmab A/S	18/06/2024	9:45:10 AM	1,800.0000	16	AQEU
Genmab A/S	18/06/2024	9:45:10 AM	1,800.0000	18	TQEX
Genmab A/S	18/06/2024	9:45:10 AM	1,800.0000	127	XCSE
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	31	CEUX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	12	CEUX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	31	CEUX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	6	AQEU
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	7	TQEX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	43	XCSE
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	5	XCSE

81

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	5	XCSE
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	27	XCSE
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	30	CEUX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	13	CEUX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	43	CEUX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	1	CEUX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	6	AQEU
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	7	TQEX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	7	TQEX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	9	CEUX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	6	AQEU
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	5	TQEX
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	104	XCSE
Genmab A/S	18/06/2024	9:46:10 AM	1,801.0000	50	XCSE
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	50	XCSE
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	9	XCSE
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	30	XCSE
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	29	XCSE
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	30	XCSE
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	30	XCSE
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	53	CEUX
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	20	CEUX
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	53	CEUX
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	35	CEUX
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	8	AQEU
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	8	AQEU
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	8	AQEU
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	6	AQEU
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	2	AQEU
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	2	AQEU
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	6	AQEU
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	2	AQEU
Genmab A/S	18/06/2024	9:49:01 AM	1,799.5000	2	AQEU
Genmab A/S	18/06/2024	9:50:54 AM	1,799.0000	8	XCSE
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	XCSE
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	5	XCSE
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	5	TQEX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	7	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	4	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	1	AQEU
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	5	TQEX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	5	TQEX

82

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	5	TQEX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	XCSE
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	8	XCSE
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	4	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	54	XCSE
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	34	XCSE
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	22	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	16	CEUX
Genmab A/S	18/06/2024	9:51:57 AM	1,799.0000	2	AQEU
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	20	CEUX
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	20	CEUX
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	4	CEUX
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	17	XCSE
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	4	XCSE
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	4	XCSE
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	17	XCSE
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	17	XCSE
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	6	CEUX
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	5	CEUX
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	4	CEUX
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	4	CEUX
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	1	CEUX
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	13	CEUX
Genmab A/S	18/06/2024	9:52:55 AM	1,801.5000	21	XCSE
Genmab A/S	18/06/2024	9:54:11 AM	1,800.5000	7	CEUX
Genmab A/S	18/06/2024	9:54:29 AM	1,800.5000	10	CEUX
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	15	CEUX
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	8	CEUX
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	6	TQEX
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	6	TQEX
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	1	TQEX
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	6	TQEX
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	44	XCSE
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	40	CEUX
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	6	TQEX
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	6	TQEX
Genmab A/S	18/06/2024	9:54:56 AM	1,800.5000	6	TQEX
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	10	XCSE
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	14	XCSE
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	20	XCSE
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	3	XCSE
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	4	CEUX
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	6	AQEU
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	6	AQEU
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	6	AQEU
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	6	AQEU
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	6	AQEU

83

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	6	AQEU
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	6	AQEU
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	2	AQEU
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	6	TQEX
Genmab A/S	18/06/2024	9:54:58 AM	1,800.5000	3	TQEX
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	6	XCSE
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	39	XCSE
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	41	CEUX
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	19	CEUX
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	6	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	6	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	6	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	2	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	4	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	6	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	2	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	2	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	2	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	4	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	2	AQEU
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	6	TQEX
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	6	TQEX
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	6	TQEX
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	6	TQEX
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	3	TQEX
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	3	TQEX
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	7	XCSE
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	14	XCSE
Genmab A/S	18/06/2024	9:55:51 AM	1,800.0000	18	CEUX
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	52	XCSE
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	48	CEUX
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	29	CEUX
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	4	AQEU
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	3	AQEU
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	2	AQEU
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	7	AQEU
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	24	AQEU
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	2	AQEU
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	7	TQEX
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	7	TQEX
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	25	TQEX
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	7	TQEX
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	13	XCSE
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	19	XCSE
Genmab A/S	18/06/2024	9:57:27 AM	1,801.0000	2	XCSE
Genmab A/S	18/06/2024	9:58:30 AM	1,800.0000	3	XCSE
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	33	XCSE
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	36	XCSE
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	32	CEUX

84

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	5	AQEU
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	5	AQEU
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	32	CEUX
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	26	CEUX
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	5	AQEU
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	5	TQEX
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	5	TQEX
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	9	TQEX
Genmab A/S	18/06/2024	9:58:56 AM	1,800.0000	30	XCSE
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	29	CEUX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	15	CEUX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	44	CEUX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	10	CEUX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	7	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	7	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	7	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	4	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	3	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	4	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	3	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	4	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	3	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	2	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	6	TQEX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	2	TQEX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	4	TQEX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	2	TQEX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	6	TQEX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	17	CEUX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	49	XCSE
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	56	XCSE
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	17	XCSE
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	49	XCSE
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	17	XCSE
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	17	XCSE
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	9	XCSE
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	17	CEUX
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	2	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	5	TQEX
Genmab A/S	18/06/2024	10:00:03 AM	1,798.5000	9	CEUX
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	17	CEUX
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	17	CEUX
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	17	CEUX
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	2	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	1	AQEU
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	5	TQEX
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	5	TQEX
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	39	XCSE
Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	41	XCSE

85

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:00:03 AM	1,797.5000	22	XCSE
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	23	XCSE
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	23	XCSE
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	30	XCSE
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	23	XCSE
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	21	CEUX
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	21	CEUX
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	21	CEUX
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	21	CEUX
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	15	CEUX
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	3	AQEU
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	3	AQEU
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	10	AQEU
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	2	AQEU
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	5	TQEX
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	23	TQEX
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	5	TQEX
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	8	TQEX
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	5	TQEX
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	10	AQEU
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	7	XCSE
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	2	XCSE
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	10	AQEU
Genmab A/S	18/06/2024	10:00:04 AM	1,797.0000	6	TQEX
Genmab A/S	18/06/2024	10:05:29 AM	1,795.0000	61	XCSE
Genmab A/S	18/06/2024	10:05:29 AM	1,795.0000	61	XCSE
Genmab A/S	18/06/2024	10:05:29 AM	1,795.0000	11	TQEX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	44	XCSE
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	30	XCSE
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	8	CEUX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	AQEU
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	32	CEUX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	19	CEUX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	9	CEUX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	2	AQEU
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	4	AQEU
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	AQEU
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	AQEU
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	AQEU
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	AQEU
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	AQEU
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	2	AQEU
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	TQEX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	TQEX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	TQEX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	TQEX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	12	AQEU
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	6	TQEX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	2	TQEX

86

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	1	TQEX
Genmab A/S	18/06/2024	10:06:45 AM	1,795.0000	1	TQEX
Genmab A/S	18/06/2024	10:06:46 AM	1,794.0000	8	CEUX
Genmab A/S	18/06/2024	10:06:46 AM	1,794.0000	18	XCSE
Genmab A/S	18/06/2024	10:06:47 AM	1,794.0000	18	XCSE
Genmab A/S	18/06/2024	10:06:47 AM	1,794.0000	18	XCSE
Genmab A/S	18/06/2024	10:06:47 AM	1,794.0000	9	CEUX
Genmab A/S	18/06/2024	10:06:47 AM	1,794.0000	5	TQEX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	11	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	11	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	11	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	3	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	11	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	3	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	11	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	11	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	7	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	12	XCSE
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	51	XCSE
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	12	XCSE
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	13	XCSE
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	13	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	50	CEUX
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	10	XCSE
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	100	XCSE
Genmab A/S	18/06/2024	10:09:42 AM	1,795.5000	4	CEUX
Genmab A/S	18/06/2024	10:09:43 AM	1,795.5000	32	CEUX
Genmab A/S	18/06/2024	10:11:21 AM	1,795.0000	76	CEUX
Genmab A/S	18/06/2024	10:11:21 AM	1,795.0000	11	AQEU
Genmab A/S	18/06/2024	10:11:21 AM	1,795.0000	12	TQEX
Genmab A/S	18/06/2024	10:11:21 AM	1,795.0000	14	XCSE
Genmab A/S	18/06/2024	10:11:21 AM	1,795.0000	45	XCSE
Genmab A/S	18/06/2024	10:11:21 AM	1,795.0000	26	XCSE
Genmab A/S	18/06/2024	10:13:44 AM	1,794.0000	12	CEUX
Genmab A/S	18/06/2024	10:13:44 AM	1,794.0000	64	CEUX
Genmab A/S	18/06/2024	10:13:44 AM	1,794.0000	10	TQEX
Genmab A/S	18/06/2024	10:13:44 AM	1,794.0000	2	TQEX
Genmab A/S	18/06/2024	10:13:44 AM	1,794.0000	65	XCSE
Genmab A/S	18/06/2024	10:13:44 AM	1,794.0000	14	XCSE
Genmab A/S	18/06/2024	10:13:44 AM	1,794.0000	5	XCSE
Genmab A/S	18/06/2024	10:13:51 AM	1,794.0000	76	XCSE
Genmab A/S	18/06/2024	10:13:51 AM	1,794.0000	35	CEUX
Genmab A/S	18/06/2024	10:13:51 AM	1,794.0000	11	AQEU
Genmab A/S	18/06/2024	10:13:51 AM	1,794.0000	1	AQEU
Genmab A/S	18/06/2024	10:15:01 AM	1,794.0000	87	XCSE
Genmab A/S	18/06/2024	10:15:02 AM	1,794.0000	46	XCSE
Genmab A/S	18/06/2024	10:15:02 AM	1,794.0000	43	XCSE
Genmab A/S	18/06/2024	10:15:02 AM	1,794.0000	12	XCSE
Genmab A/S	18/06/2024	10:17:09 AM	1,794.5000	60	XCSE

87

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:17:09 AM	1,794.5000	147	XCSE
Genmab A/S	18/06/2024	10:17:09 AM	1,794.5000	15	CEUX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.5000	27	CEUX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.5000	91	CEUX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.5000	17	AQEU
Genmab A/S	18/06/2024	10:17:59 AM	1,794.5000	18	TQEX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.5000	132	XCSE
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	17	XCSE
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	17	XCSE
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	17	XCSE
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	17	XCSE
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	5	CEUX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	1	CEUX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	11	CEUX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	17	CEUX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	15	CEUX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	17	CEUX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	11	CEUX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	2	AQEU
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	2	AQEU
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	5	TQEX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	5	TQEX
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	5	TQEX
Genmab A/S	18/06/2024	10:17:59 AM	1,793.5000	18	XCSE
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	15	XCSE
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	41	XCSE
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	18	XCSE
Genmab A/S	18/06/2024	10:17:59 AM	1,794.0000	12	XCSE
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	5	CEUX
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	9	XCSE
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	2	CEUX
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	5	TQEX
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	6	TQEX
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	5	TQEX
Genmab A/S	18/06/2024	10:23:58 AM	1,795.0000	9	XCSE
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	9	XCSE
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	9	XCSE
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	9	XCSE
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	15	XCSE
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	9	XCSE
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	1	CEUX
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	1	AQEU
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	5	TQEX

88

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	5	TQEX
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	5	TQEX
Genmab A/S	18/06/2024	10:24:20 AM	1,795.0000	9	XCSE
Genmab A/S	18/06/2024	10:24:54 AM	1,795.0000	8	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	6	XCSE
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	2	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	5	TQEX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	3	XCSE
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	9	XCSE
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	9	XCSE
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	5	TQEX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	5	TQEX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	1	AQEU
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	1	AQEU
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	4	AQEU
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	9	XCSE
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	3	XCSE
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	3	XCSE
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	10	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	8	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	9	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	9	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	2	AQEU
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	12	AQEU
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	2	AQEU
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	12	AQEU
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	9	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	20	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	4	CEUX
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	8	AQEU
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	17	AQEU
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	12	AQEU
Genmab A/S	18/06/2024	10:25:00 AM	1,795.0000	6	AQEU
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	8	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	1	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	9	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	9	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	9	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	9	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	9	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	4	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	9	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	9	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	7	CEUX

89

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	9	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	6	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	1	AQEU
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	1	TQEX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	4	TQEX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	21	TQEX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	2	TQEX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	3	TQEX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	15	TQEX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	1	XCSE
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	7	XCSE
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	8	XCSE
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	34	XCSE
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	7	XCSE
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	1	XCSE
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	28	XCSE
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	36	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	5	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	7	CEUX
Genmab A/S	18/06/2024	10:26:16 AM	1,793.0000	14	CEUX
Genmab A/S	18/06/2024	10:28:59 AM	1,793.0000	5	XCSE
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	8	CEUX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	8	CEUX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	5	TQEX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	5	TQEX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	7	XCSE
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	8	XCSE
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	7	XCSE
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	8	XCSE
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	7	XCSE
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	8	XCSE
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	7	XCSE
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	8	XCSE
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	8	CEUX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	8	CEUX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	3	CEUX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	1	AQEU
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	1	AQEU
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	5	TQEX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	5	TQEX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	8	CEUX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	7	CEUX
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	7	XCSE
Genmab A/S	18/06/2024	10:29:48 AM	1,793.5000	8	XCSE
Genmab A/S	18/06/2024	10:30:47 AM	1,793.0000	8	XCSE
Genmab A/S	18/06/2024	10:31:44 AM	1,794.0000	25	XCSE
Genmab A/S	18/06/2024	10:32:36 AM	1,794.5000	12	CEUX
Genmab A/S	18/06/2024	10:32:36 AM	1,794.5000	10	AQEU
Genmab A/S	18/06/2024	10:32:36 AM	1,794.5000	10	TQEX

90

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:32:36 AM	1,794.5000	10	XCSE
Genmab A/S	18/06/2024	10:32:36 AM	1,794.5000	54	XCSE
Genmab A/S	18/06/2024	10:32:36 AM	1,794.5000	23	XCSE
Genmab A/S	18/06/2024	10:32:37 AM	1,794.5000	80	XCSE
Genmab A/S	18/06/2024	10:33:11 AM	1,795.0000	22	CEUX
Genmab A/S	18/06/2024	10:33:11 AM	1,795.0000	13	CEUX
Genmab A/S	18/06/2024	10:33:11 AM	1,795.0000	34	CEUX
Genmab A/S	18/06/2024	10:33:11 AM	1,795.0000	1	CEUX
Genmab A/S	18/06/2024	10:33:11 AM	1,795.0000	6	AQEU
Genmab A/S	18/06/2024	10:33:28 AM	1,795.0000	16	CEUX
Genmab A/S	18/06/2024	10:33:28 AM	1,795.0000	13	CEUX
Genmab A/S	18/06/2024	10:33:42 AM	1,794.5000	4	XCSE
Genmab A/S	18/06/2024	10:33:42 AM	1,794.5000	1	CEUX
Genmab A/S	18/06/2024	10:33:42 AM	1,794.5000	36	CEUX
Genmab A/S	18/06/2024	10:33:42 AM	1,794.5000	6	AQEU
Genmab A/S	18/06/2024	10:33:42 AM	1,794.5000	5	TQEX
Genmab A/S	18/06/2024	10:33:42 AM	1,794.5000	33	XCSE
Genmab A/S	18/06/2024	10:33:42 AM	1,794.5000	41	XCSE
Genmab A/S	18/06/2024	10:33:42 AM	1,794.5000	37	CEUX
Genmab A/S	18/06/2024	10:33:42 AM	1,794.5000	5	TQEX
Genmab A/S	18/06/2024	10:33:43 AM	1,794.0000	10	CEUX
Genmab A/S	18/06/2024	10:34:59 AM	1,795.5000	9	XCSE
Genmab A/S	18/06/2024	10:34:59 AM	1,795.5000	9	CEUX
Genmab A/S	18/06/2024	10:34:59 AM	1,795.5000	5	TQEX
Genmab A/S	18/06/2024	10:35:58 AM	1,796.5000	3	XCSE
Genmab A/S	18/06/2024	10:37:43 AM	1,797.5000	18	CEUX
Genmab A/S	18/06/2024	10:37:43 AM	1,797.5000	3	CEUX
Genmab A/S	18/06/2024	10:37:43 AM	1,797.5000	3	CEUX
Genmab A/S	18/06/2024	10:37:43 AM	1,797.5000	5	TQEX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	3	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	6	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	3	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	6	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	2	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	9	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	1	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE

91

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	23	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	30	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	8	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	3	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	1	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	8	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	CEUX

92

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	1	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	1	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	CEUX
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	12	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	11	XCSE
Genmab A/S	18/06/2024	10:39:46 AM	1,798.0000	42	XCSE
Genmab A/S	18/06/2024	10:42:23 AM	1,797.0000	24	XCSE
Genmab A/S	18/06/2024	10:43:28 AM	1,798.0000	39	XCSE
Genmab A/S	18/06/2024	10:43:58 AM	1,798.0000	35	XCSE
Genmab A/S	18/06/2024	10:43:58 AM	1,798.0000	80	XCSE
Genmab A/S	18/06/2024	10:43:58 AM	1,798.0000	24	XCSE
Genmab A/S	18/06/2024	10:43:58 AM	1,798.0000	56	XCSE
Genmab A/S	18/06/2024	10:43:58 AM	1,798.0000	24	XCSE
Genmab A/S	18/06/2024	10:43:58 AM	1,798.0000	17	CEUX
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	56	XCSE
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	15	XCSE
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	5	XCSE
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	55	CEUX
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	28	CEUX
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	72	CEUX
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	10	CEUX
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	13	CEUX
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	40	CEUX
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	10	AQEU
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	10	AQEU
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	10	AQEU
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	10	AQEU
Genmab A/S	18/06/2024	10:45:04 AM	1,798.0000	4	AQEU
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	XCSE
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	XCSE
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	61	XCSE

93

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	CEUX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	CEUX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	CEUX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	CEUX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	CEUX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	CEUX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	CEUX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	8	CEUX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	1	AQEU
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	AQEU
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	1	AQEU
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	13	AQEU
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	5	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	5	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	13	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	5	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	1	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	5	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	3	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.0000	20	CEUX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.0000	5	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.0000	1	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.0000	5	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.0000	4	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	1	AQEU
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	5	AQEU
Genmab A/S	18/06/2024	10:46:44 AM	1,797.0000	19	CEUX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.0000	5	TQEX
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	9	AQEU
Genmab A/S	18/06/2024	10:46:44 AM	1,797.0000	22	XCSE
Genmab A/S	18/06/2024	10:46:44 AM	1,797.0000	22	XCSE
Genmab A/S	18/06/2024	10:46:44 AM	1,797.0000	22	XCSE
Genmab A/S	18/06/2024	10:46:44 AM	1,797.5000	5	XCSE
Genmab A/S	18/06/2024	10:46:45 AM	1,797.0000	1	CEUX
Genmab A/S	18/06/2024	10:46:45 AM	1,797.0000	3	TQEX
Genmab A/S	18/06/2024	10:46:45 AM	1,797.0000	20	CEUX
Genmab A/S	18/06/2024	10:46:45 AM	1,797.0000	3	AQEU
Genmab A/S	18/06/2024	10:46:45 AM	1,797.0000	2	TQEX
Genmab A/S	18/06/2024	10:46:45 AM	1,796.5000	12	XCSE
Genmab A/S	18/06/2024	10:46:45 AM	1,797.0000	17	XCSE
Genmab A/S	18/06/2024	10:46:45 AM	1,797.0000	44	CEUX
Genmab A/S	18/06/2024	10:46:45 AM	1,797.0000	6	CEUX
Genmab A/S	18/06/2024	10:46:45 AM	1,797.0000	29	CEUX
Genmab A/S	18/06/2024	10:46:45 AM	1,796.5000	14	XCSE
Genmab A/S	18/06/2024	10:51:43 AM	1,800.0000	11	XCSE
Genmab A/S	18/06/2024	10:51:43 AM	1,800.0000	18	XCSE
Genmab A/S	18/06/2024	10:51:43 AM	1,800.0000	26	CEUX
Genmab A/S	18/06/2024	10:51:43 AM	1,800.0000	26	CEUX

94

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:51:43 AM	1,800.0000	26	CEUX
Genmab A/S	18/06/2024	10:51:43 AM	1,800.0000	14	CEUX
Genmab A/S	18/06/2024	10:51:43 AM	1,800.0000	29	XCSE
Genmab A/S	18/06/2024	10:51:43 AM	1,800.0000	10	XCSE
Genmab A/S	18/06/2024	10:53:43 AM	1,802.0000	35	CEUX
Genmab A/S	18/06/2024	10:53:59 AM	1,802.0000	33	CEUX
Genmab A/S	18/06/2024	10:53:59 AM	1,801.5000	72	XCSE
Genmab A/S	18/06/2024	10:53:59 AM	1,801.5000	43	CEUX
Genmab A/S	18/06/2024	10:53:59 AM	1,801.5000	22	CEUX
Genmab A/S	18/06/2024	10:53:59 AM	1,801.5000	36	CEUX
Genmab A/S	18/06/2024	10:53:59 AM	1,801.5000	7	CEUX
Genmab A/S	18/06/2024	10:53:59 AM	1,801.5000	3	TQEX
Genmab A/S	18/06/2024	10:53:59 AM	1,801.5000	31	XCSE
Genmab A/S	18/06/2024	10:53:59 AM	1,801.5000	41	XCSE
Genmab A/S	18/06/2024	10:53:59 AM	1,801.5000	22	XCSE
Genmab A/S	18/06/2024	10:53:59 AM	1,801.5000	10	CEUX
Genmab A/S	18/06/2024	10:55:42 AM	1,801.5000	57	XCSE
Genmab A/S	18/06/2024	10:55:42 AM	1,801.5000	51	CEUX
Genmab A/S	18/06/2024	10:55:42 AM	1,801.5000	7	TQEX
Genmab A/S	18/06/2024	10:55:42 AM	1,801.5000	8	XCSE
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	10	XCSE
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	10	XCSE
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	48	XCSE
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	11	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	11	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	11	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	11	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	11	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	5	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	3	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	1	AQEU
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	27	AQEU
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	5	TQEX
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	16	TQEX
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	18	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	14	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	2	AQEU
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	2	AQEU
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	2	AQEU
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	5	TQEX
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	18	XCSE
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	18	XCSE
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	18	XCSE
Genmab A/S	18/06/2024	10:56:27 AM	1,799.0000	1	XCSE
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	14	XCSE
Genmab A/S	18/06/2024	10:56:27 AM	1,800.0000	27	XCSE
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	3	TQEX
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	2	TQEX
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	3	TQEX

95

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	4	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	29	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	15	CEUX
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	5	AQEU
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	2	AQEU
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	5	AQEU
Genmab A/S	18/06/2024	10:56:27 AM	1,799.5000	5	TQEX
Genmab A/S	18/06/2024	10:56:27 AM	1,799.0000	18	XCSE
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	39	CEUX
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	7	CEUX
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	7	AQEU
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	2	AQEU
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	7	TQEX
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	10	XCSE
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	41	XCSE
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	39	XCSE
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	4	CEUX
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	7	AQEU
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	5	AQEU
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	3	CEUX
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	7	TQEX
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	29	CEUX
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	7	AQEU
Genmab A/S	18/06/2024	10:59:04 AM	1,798.0000	1	XCSE
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	18	CEUX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	30	CEUX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	3	CEUX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	27	CEUX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	4	CEUX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	14	CEUX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	29	CEUX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	8	TQEX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	4	TQEX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	4	TQEX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	8	TQEX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	10	TQEX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	8	TQEX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	4	TQEX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	53	XCSE
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	19	XCSE
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	15	XCSE
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	4	XCSE
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	15	XCSE
Genmab A/S	18/06/2024	11:02:11 AM	1,798.5000	31	CEUX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.0000	4	AQEU
Genmab A/S	18/06/2024	11:02:11 AM	1,798.0000	40	CEUX
Genmab A/S	18/06/2024	11:02:11 AM	1,798.0000	2	AQEU
Genmab A/S	18/06/2024	11:02:11 AM	1,798.0000	2	AQEU
Genmab A/S	18/06/2024	11:03:58 AM	1,799.0000	8	CEUX

96

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	11:03:58 AM	1,799.0000	1	AQEU
Genmab A/S	18/06/2024	11:03:58 AM	1,799.0000	5	TQEX
Genmab A/S	18/06/2024	11:03:58 AM	1,799.0000	8	XCSE
Genmab A/S	18/06/2024	11:03:58 AM	1,799.0000	57	XCSE
Genmab A/S	18/06/2024	11:03:58 AM	1,799.0000	8	CEUX
Genmab A/S	18/06/2024	11:03:58 AM	1,799.0000	1	CEUX
Genmab A/S	18/06/2024	11:03:58 AM	1,799.0000	5	TQEX
Genmab A/S	18/06/2024	11:06:35 AM	1,801.5000	3	CEUX
Genmab A/S	18/06/2024	11:06:35 AM	1,801.5000	8	CEUX
Genmab A/S	18/06/2024	11:06:35 AM	1,801.5000	20	CEUX
Genmab A/S	18/06/2024	11:06:35 AM	1,801.5000	8	CEUX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	14	CEUX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	14	CEUX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	14	CEUX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	9	CEUX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	14	CEUX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	14	CEUX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	9	CEUX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	5	TQEX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	5	TQEX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	5	TQEX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	5	TQEX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	14	CEUX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	5	TQEX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	14	CEUX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	5	TQEX
Genmab A/S	18/06/2024	11:06:53 AM	1,800.5000	5	TQEX
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	18	XCSE
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	14	CEUX
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	3	CEUX
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	1	CEUX
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	16	CEUX
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	11:07:49 AM	1,803.5000	18	XCSE
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	17	CEUX
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	4	CEUX

97

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	18	XCSE
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	18	XCSE
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	18	XCSE
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	18	XCSE
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	6	XCSE
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	18	XCSE
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	13	CEUX
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	17	CEUX
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	17	CEUX
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	17	CEUX
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	3	CEUX
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	9	AQEU
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	1	XCSE
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	42	CEUX
Genmab A/S	18/06/2024	11:07:50 AM	1,803.5000	6	CEUX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	CEUX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	5	TQEX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	XCSE
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	XCSE
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	XCSE
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	1	XCSE
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	7	XCSE
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	CEUX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	CEUX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	CEUX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	5	TQEX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	5	TQEX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	5	TQEX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	CEUX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	CEUX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	CEUX
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	XCSE
Genmab A/S	18/06/2024	11:10:45 AM	1,804.5000	8	XCSE
Genmab A/S	18/06/2024	11:11:04 AM	1,803.5000	49	XCSE
Genmab A/S	18/06/2024	11:11:04 AM	1,803.5000	49	XCSE
Genmab A/S	18/06/2024	11:11:04 AM	1,803.5000	38	XCSE
Genmab A/S	18/06/2024	11:11:04 AM	1,803.5000	11	XCSE
Genmab A/S	18/06/2024	11:11:04 AM	1,803.5000	5	XCSE
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	38	CEUX
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	15	CEUX
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	12	CEUX
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	6	AQEU
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	8	AQEU
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	6	TQEX
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	9	TQEX

98

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	6	TQEX
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	42	XCSE
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	4	XCSE
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	23	XCSE
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	15	CEUX
Genmab A/S	18/06/2024	11:12:55 AM	1,803.5000	40	CEUX
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	14	XCSE
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	14	CEUX
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	14	CEUX
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	8	CEUX
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	1	AQEU
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	14	CEUX
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	14	XCSE
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	25	XCSE
Genmab A/S	18/06/2024	11:16:00 AM	1,803.5000	14	XCSE
Genmab A/S	18/06/2024	11:16:06 AM	1,803.0000	50	XCSE
Genmab A/S	18/06/2024	11:16:07 AM	1,803.0000	33	XCSE
Genmab A/S	18/06/2024	11:17:51 AM	1,802.5000	5	XCSE
Genmab A/S	18/06/2024	11:17:51 AM	1,802.5000	3	XCSE
Genmab A/S	18/06/2024	11:17:51 AM	1,802.5000	9	CEUX
Genmab A/S	18/06/2024	11:17:51 AM	1,802.5000	9	CEUX
Genmab A/S	18/06/2024	11:17:51 AM	1,802.5000	5	TQEX
Genmab A/S	18/06/2024	11:18:50 AM	1,803.0000	3	AQEU
Genmab A/S	18/06/2024	11:19:03 AM	1,803.0000	31	XCSE
Genmab A/S	18/06/2024	11:19:03 AM	1,803.0000	93	XCSE
Genmab A/S	18/06/2024	11:20:00 AM	1,804.0000	14	XCSE
Genmab A/S	18/06/2024	11:20:00 AM	1,804.0000	7	XCSE
Genmab A/S	18/06/2024	11:20:00 AM	1,804.0000	8	XCSE
Genmab A/S	18/06/2024	11:20:00 AM	1,804.0000	5	XCSE
Genmab A/S	18/06/2024	11:20:16 AM	1,804.0000	38	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	31	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	14	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	17	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	17	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	13	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	16	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	29	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	21	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	29	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	29	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	29	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	10	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	19	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	19	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	10	CEUX

99

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	2	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	27	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	2	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	4	AQEU
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	4	AQEU
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	4	AQEU
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	5	TQEX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	5	TQEX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	5	TQEX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	5	TQEX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	5	TQEX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	5	TQEX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	5	TQEX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	5	TQEX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	5	TQEX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	7	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	7	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	25	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	6	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	7	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	17	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	7	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	27	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	4	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	29	CEUX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	4	AQEU
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	1	TQEX
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	13	XCSE
Genmab A/S	18/06/2024	11:21:00 AM	1,803.0000	35	XCSE
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	15	XCSE
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	5	TQEX
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	6	XCSE
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	21	XCSE
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	20	CEUX
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	2	AQEU
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	6	XCSE
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	4	XCSE
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	5	TQEX
Genmab A/S	18/06/2024	11:23:50 AM	1,801.5000	5	TQEX
Genmab A/S	18/06/2024	11:25:05 AM	1,801.0000	62	CEUX
Genmab A/S	18/06/2024	11:25:05 AM	1,801.0000	6	AQEU
Genmab A/S	18/06/2024	11:25:05 AM	1,801.0000	3	AQEU
Genmab A/S	18/06/2024	11:25:05 AM	1,801.0000	9	TQEX
Genmab A/S	18/06/2024	11:25:05 AM	1,801.0000	37	XCSE
Genmab A/S	18/06/2024	11:25:05 AM	1,801.0000	31	XCSE
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	2	AQEU
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	3	TQEX

100

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	7	XCSE
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	14	XCSE
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	20	CEUX
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	2	AQEU
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	2	TQEX
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	11	XCSE
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	20	CEUX
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	2	AQEU
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	5	TQEX
Genmab A/S	18/06/2024	11:25:05 AM	1,800.5000	1	XCSE
Genmab A/S	18/06/2024	11:29:05 AM	1,800.0000	41	CEUX
Genmab A/S	18/06/2024	11:29:53 AM	1,800.5000	70	XCSE
Genmab A/S	18/06/2024	11:29:53 AM	1,800.0000	18	CEUX
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	57	XCSE
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	7	CEUX
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	45	CEUX
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	51	CEUX
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	8	AQEU
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	8	TQEX
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	57	XCSE
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	30	XCSE
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	13	CEUX
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	8	AQEU
Genmab A/S	18/06/2024	11:30:09 AM	1,800.0000	3	CEUX
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	10	XCSE
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	60	XCSE
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	11	CEUX
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	11	CEUX
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	11	CEUX
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	6	CEUX
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	5	TQEX
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	15	XCSE
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	12	XCSE
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	3	XCSE
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	15	XCSE
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	9	XCSE
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	24	XCSE
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	27	XCSE
Genmab A/S	18/06/2024	11:31:44 AM	1,799.5000	6	XCSE
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	17	CEUX
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	17	CEUX
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	8	CEUX
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	2	CEUX
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	5	TQEX
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	18	XCSE
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	15	CEUX
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	2	AQEU
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	2	TQEX
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	17	CEUX

101

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	1	AQEU
Genmab A/S	18/06/2024	11:34:15 AM	1,798.5000	17	CEUX
Genmab A/S	18/06/2024	11:34:16 AM	1,798.5000	10	CEUX
Genmab A/S	18/06/2024	11:34:16 AM	1,798.5000	3	CEUX
Genmab A/S	18/06/2024	11:36:27 AM	1,800.0000	1	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	41	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	15	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	5	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	7	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	50	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	6	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	12	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	5	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	22	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	10	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	10	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	40	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	10	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	19	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	33	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	13	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	19	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	65	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	62	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	3	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	10	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	32	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	23	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	10	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	3	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	10	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	3	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	5	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	14	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	12	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	18	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	6	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	5	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	13	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	11	CEUX
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	10	XCSE
Genmab A/S	18/06/2024	11:37:29 AM	1,800.0000	15	XCSE
Genmab A/S	18/06/2024	11:40:12 AM	1,799.5000	12	AQEU
Genmab A/S	18/06/2024	11:40:23 AM	1,799.0000	2	AQEU
Genmab A/S	18/06/2024	11:40:23 AM	1,799.0000	25	AQEU
Genmab A/S	18/06/2024	11:40:23 AM	1,799.0000	18	CEUX
Genmab A/S	18/06/2024	11:40:23 AM	1,799.0000	5	TQEX
Genmab A/S	18/06/2024	11:41:34 AM	1,798.5000	25	XCSE
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	12	CEUX

102

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	43	CEUX
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	61	XCSE
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	61	XCSE
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	18	XCSE
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	47	XCSE
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	21	CEUX
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	21	CEUX
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	13	CEUX
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	19	CEUX
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	18	CEUX
Genmab A/S	18/06/2024	11:42:49 AM	1,800.0000	19	CEUX
Genmab A/S	18/06/2024	11:42:50 AM	1,800.0000	2	CEUX
Genmab A/S	18/06/2024	11:46:40 AM	1,800.0000	10	CEUX
Genmab A/S	18/06/2024	11:46:40 AM	1,800.0000	5	AQEU
Genmab A/S	18/06/2024	11:46:40 AM	1,800.0000	10	AQEU
Genmab A/S	18/06/2024	11:46:40 AM	1,800.0000	4	TQEX
Genmab A/S	18/06/2024	11:46:40 AM	1,800.0000	10	XCSE
Genmab A/S	18/06/2024	11:47:23 AM	1,800.0000	7	XCSE
Genmab A/S	18/06/2024	11:47:23 AM	1,800.0000	79	XCSE
Genmab A/S	18/06/2024	11:47:23 AM	1,800.0000	8	CEUX
Genmab A/S	18/06/2024	11:47:23 AM	1,800.0000	8	CEUX
Genmab A/S	18/06/2024	11:47:23 AM	1,800.0000	2	CEUX
Genmab A/S	18/06/2024	11:47:23 AM	1,800.0000	1	AQEU
Genmab A/S	18/06/2024	11:47:23 AM	1,800.0000	5	TQEX
Genmab A/S	18/06/2024	11:47:23 AM	1,800.0000	5	TQEX
Genmab A/S	18/06/2024	11:48:11 AM	1,800.0000	38	XCSE
Genmab A/S	18/06/2024	11:48:11 AM	1,799.5000	6	AQEU
Genmab A/S	18/06/2024	11:48:35 AM	1,799.5000	47	XCSE
Genmab A/S	18/06/2024	11:48:35 AM	1,799.5000	37	XCSE
Genmab A/S	18/06/2024	11:48:35 AM	1,799.5000	6	AQEU
Genmab A/S	18/06/2024	11:48:35 AM	1,799.5000	7	TQEX
Genmab A/S	18/06/2024	11:48:35 AM	1,799.5000	43	CEUX
Genmab A/S	18/06/2024	11:48:35 AM	1,799.5000	7	TQEX
Genmab A/S	18/06/2024	11:48:35 AM	1,799.5000	27	XCSE
Genmab A/S	18/06/2024	11:48:35 AM	1,799.5000	24	XCSE
Genmab A/S	18/06/2024	11:48:35 AM	1,799.5000	19	XCSE
Genmab A/S	18/06/2024	11:48:36 AM	1,799.5000	29	XCSE
Genmab A/S	18/06/2024	11:52:04 AM	1,799.0000	1	AQEU
Genmab A/S	18/06/2024	11:52:04 AM	1,799.0000	1	AQEU
Genmab A/S	18/06/2024	11:52:05 AM	1,799.0000	6	CEUX
Genmab A/S	18/06/2024	11:52:05 AM	1,799.0000	1	AQEU
Genmab A/S	18/06/2024	11:52:10 AM	1,800.0000	4	AQEU
Genmab A/S	18/06/2024	11:52:10 AM	1,800.0000	8	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	CEUX

103

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	9	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	1	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	1	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	3	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	9	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	2	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	9	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	10	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	2	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	10	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	2	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	10	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	2	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	10	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	4	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	4	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	10	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	2	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	1	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	15	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX

104

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	4	XCSE
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	24	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,801.5000	14	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,800.5000	20	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,800.5000	3	AQEU
Genmab A/S	18/06/2024	11:52:47 AM	1,800.5000	5	TQEX
Genmab A/S	18/06/2024	11:52:47 AM	1,800.5000	6	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,800.5000	14	CEUX
Genmab A/S	18/06/2024	11:52:47 AM	1,800.5000	3	AQEU
Genmab A/S	18/06/2024	11:52:47 AM	1,800.5000	3	TQEX
Genmab A/S	18/06/2024	11:56:36 AM	1,802.5000	24	XCSE
Genmab A/S	18/06/2024	11:56:36 AM	1,802.5000	21	XCSE
Genmab A/S	18/06/2024	11:56:36 AM	1,802.5000	23	CEUX
Genmab A/S	18/06/2024	11:56:36 AM	1,802.5000	21	CEUX
Genmab A/S	18/06/2024	11:56:36 AM	1,802.5000	5	TQEX
Genmab A/S	18/06/2024	11:56:36 AM	1,802.5000	3	TQEX
Genmab A/S	18/06/2024	11:56:36 AM	1,802.5000	37	XCSE
Genmab A/S	18/06/2024	11:56:36 AM	1,802.5000	18	XCSE
Genmab A/S	18/06/2024	11:56:36 AM	1,802.5000	27	XCSE
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	1	AQEU
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	1	AQEU
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	1	AQEU
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	3	TQEX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	3	TQEX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	20	CEUX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	5	CEUX

105

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	10	TQEX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	1	TQEX
Genmab A/S	18/06/2024	11:59:24 AM	1,804.0000	24	XCSE
Genmab A/S	18/06/2024	11:59:49 AM	1,804.0000	16	XCSE
Genmab A/S	18/06/2024	12:01:20 PM	1,806.5000	6	XCSE
Genmab A/S	18/06/2024	12:01:20 PM	1,806.5000	19	XCSE
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	23	CEUX
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	2	CEUX
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	11	XCSE
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	14	XCSE
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	21	CEUX
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	12	CEUX
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	18	CEUX
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	25	XCSE
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	9	XCSE
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	28	XCSE
Genmab A/S	18/06/2024	12:01:27 PM	1,806.5000	16	XCSE
Genmab A/S	18/06/2024	12:01:37 PM	1,805.0000	23	CEUX
Genmab A/S	18/06/2024	12:02:37 PM	1,805.0000	95	CEUX
Genmab A/S	18/06/2024	12:02:37 PM	1,805.0000	105	XCSE
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	19	XCSE
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	19	XCSE
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	11	CEUX
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	4	CEUX
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	4	CEUX
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	19	CEUX
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	2	AQEU
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	19	XCSE
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	5	XCSE
Genmab A/S	18/06/2024	12:02:37 PM	1,804.0000	16	CEUX
Genmab A/S	18/06/2024	12:02:38 PM	1,804.0000	45	TQEX
Genmab A/S	18/06/2024	12:05:47 PM	1,803.5000	28	XCSE
Genmab A/S	18/06/2024	12:05:47 PM	1,803.5000	50	XCSE
Genmab A/S	18/06/2024	12:05:47 PM	1,803.5000	13	XCSE
Genmab A/S	18/06/2024	12:05:47 PM	1,803.5000	82	CEUX
Genmab A/S	18/06/2024	12:05:47 PM	1,803.5000	12	AQEU
Genmab A/S	18/06/2024	12:05:47 PM	1,803.5000	13	TQEX
Genmab A/S	18/06/2024	12:05:48 PM	1,803.0000	1	AQEU
Genmab A/S	18/06/2024	12:07:10 PM	1,802.0000	18	CEUX
Genmab A/S	18/06/2024	12:07:10 PM	1,802.0000	4	CEUX
Genmab A/S	18/06/2024	12:07:10 PM	1,802.0000	5	TQEX
Genmab A/S	18/06/2024	12:07:10 PM	1,802.0000	21	XCSE
Genmab A/S	18/06/2024	12:07:10 PM	1,802.0000	2	XCSE
Genmab A/S	18/06/2024	12:07:10 PM	1,802.0000	19	CEUX
Genmab A/S	18/06/2024	12:07:14 PM	1,802.0000	16	XCSE
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	33	CEUX
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	13	CEUX
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	87	CEUX

106

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	16	TQEX
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	5	CEUX
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	16	CEUX
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	1	TQEX
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	9	TQEX
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	36	CEUX
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	24	XCSE
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	18	XCSE
Genmab A/S	18/06/2024	12:10:57 PM	1,803.5000	2	XCSE
Genmab A/S	18/06/2024	12:13:30 PM	1,803.0000	5	CEUX
Genmab A/S	18/06/2024	12:13:30 PM	1,803.0000	14	TQEX
Genmab A/S	18/06/2024	12:13:51 PM	1,803.0000	35	CEUX
Genmab A/S	18/06/2024	12:14:20 PM	1,803.5000	11	TQEX
Genmab A/S	18/06/2024	12:14:29 PM	1,803.5000	8	TQEX
Genmab A/S	18/06/2024	12:14:29 PM	1,803.5000	3	TQEX
Genmab A/S	18/06/2024	12:14:35 PM	1,803.5000	6	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	19	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	24	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	39	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	18	CEUX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	18	CEUX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	18	CEUX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	18	CEUX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	18	CEUX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	18	CEUX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	14	CEUX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	37	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	3	TQEX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	3	TQEX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	3	TQEX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	5	TQEX

107

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	19	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	24	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	24	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	19	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	24	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	13	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	24	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	15	XCSE
Genmab A/S	18/06/2024	12:15:19 PM	1,803.5000	18	CEUX
Genmab A/S	18/06/2024	12:17:17 PM	1,804.0000	20	CEUX
Genmab A/S	18/06/2024	12:17:17 PM	1,804.0000	2	AQEU
Genmab A/S	18/06/2024	12:17:17 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	12:17:17 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	12:17:17 PM	1,804.0000	13	XCSE
Genmab A/S	18/06/2024	12:17:17 PM	1,804.0000	20	XCSE
Genmab A/S	18/06/2024	12:20:05 PM	1,804.0000	39	CEUX
Genmab A/S	18/06/2024	12:20:09 PM	1,803.5000	18	CEUX
Genmab A/S	18/06/2024	12:20:09 PM	1,803.5000	37	CEUX
Genmab A/S	18/06/2024	12:20:09 PM	1,803.5000	8	TQEX
Genmab A/S	18/06/2024	12:20:09 PM	1,803.5000	60	XCSE
Genmab A/S	18/06/2024	12:20:43 PM	1,803.5000	1	AQEU
Genmab A/S	18/06/2024	12:21:21 PM	1,803.5000	20	CEUX
Genmab A/S	18/06/2024	12:21:21 PM	1,803.5000	60	XCSE
Genmab A/S	18/06/2024	12:21:21 PM	1,803.5000	39	XCSE
Genmab A/S	18/06/2024	12:21:21 PM	1,803.5000	3	CEUX
Genmab A/S	18/06/2024	12:21:21 PM	1,803.5000	20	XCSE
Genmab A/S	18/06/2024	12:21:21 PM	1,803.5000	111	XCSE
Genmab A/S	18/06/2024	12:21:21 PM	1,803.5000	17	XCSE
Genmab A/S	18/06/2024	12:23:23 PM	1,803.5000	16	CEUX
Genmab A/S	18/06/2024	12:23:23 PM	1,803.5000	11	CEUX
Genmab A/S	18/06/2024	12:23:23 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:23:23 PM	1,803.5000	19	CEUX
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	25	XCSE
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	6	XCSE
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	11	XCSE
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	4	TQEX
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	8	CEUX
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	10	CEUX
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	4	AQEU
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	11	AQEU
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	20	XCSE
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	6	XCSE
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	1	TQEX
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	2	TQEX
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	50	XCSE
Genmab A/S	18/06/2024	12:23:38 PM	1,803.5000	8	XCSE

108

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	12:27:02 PM	1,804.0000	5	XCSE
Genmab A/S	18/06/2024	12:27:02 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	12:27:02 PM	1,804.0000	14	XCSE
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	40	CEUX
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	40	CEUX
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	36	CEUX
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	39	XCSE
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	44	XCSE
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	80	XCSE
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	44	XCSE
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	6	XCSE
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	44	XCSE
Genmab A/S	18/06/2024	12:27:45 PM	1,804.0000	2	XCSE
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	8	XCSE
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	8	XCSE
Genmab A/S	18/06/2024	12:32:58 PM	1,804.0000	1	TQEX
Genmab A/S	18/06/2024	12:32:58 PM	1,804.0000	9	TQEX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	9	CEUX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	9	CEUX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	9	CEUX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	9	CEUX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	2	CEUX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	9	CEUX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	9	CEUX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	22	CEUX
Genmab A/S	18/06/2024	12:32:58 PM	1,803.5000	16	CEUX
Genmab A/S	18/06/2024	12:33:03 PM	1,803.5000	22	CEUX
Genmab A/S	18/06/2024	12:33:03 PM	1,803.5000	12	XCSE
Genmab A/S	18/06/2024	12:33:10 PM	1,803.5000	3	XCSE
Genmab A/S	18/06/2024	12:33:10 PM	1,803.5000	13	XCSE
Genmab A/S	18/06/2024	12:33:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	12:33:16 PM	1,804.0000	29	XCSE
Genmab A/S	18/06/2024	12:33:43 PM	1,804.0000	19	XCSE
Genmab A/S	18/06/2024	12:33:43 PM	1,804.0000	15	XCSE
Genmab A/S	18/06/2024	12:33:43 PM	1,804.0000	3	XCSE
Genmab A/S	18/06/2024	12:34:06 PM	1,804.0000	35	XCSE
Genmab A/S	18/06/2024	12:34:07 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	12:34:34 PM	1,803.5000	3	XCSE
Genmab A/S	18/06/2024	12:34:34 PM	1,804.0000	35	CEUX
Genmab A/S	18/06/2024	12:34:35 PM	1,803.5000	4	AQEU
Genmab A/S	18/06/2024	12:34:35 PM	1,803.5000	3	AQEU
Genmab A/S	18/06/2024	12:34:35 PM	1,803.5000	15	XCSE
Genmab A/S	18/06/2024	12:34:35 PM	1,803.5000	27	XCSE
Genmab A/S	18/06/2024	12:34:35 PM	1,803.5000	28	XCSE
Genmab A/S	18/06/2024	12:34:36 PM	1,803.5000	2	AQEU

109

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	12:34:43 PM	1,803.5000	7	XCSE
Genmab A/S	18/06/2024	12:35:48 PM	1,803.0000	92	XCSE
Genmab A/S	18/06/2024	12:35:48 PM	1,803.0000	40	XCSE
Genmab A/S	18/06/2024	12:35:48 PM	1,803.0000	17	XCSE
Genmab A/S	18/06/2024	12:36:48 PM	1,802.0000	2	XCSE
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	19	CEUX
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	19	CEUX
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	5	CEUX
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	2	AQEU
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	2	AQEU
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	17	XCSE
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	12	XCSE
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	5	TQEX
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	4	TQEX
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	3	CEUX
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	2	AQEU
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	19	XCSE
Genmab A/S	18/06/2024	12:36:49 PM	1,802.0000	5	TQEX
Genmab A/S	18/06/2024	12:38:08 PM	1,800.5000	42	XCSE
Genmab A/S	18/06/2024	12:38:08 PM	1,800.5000	43	XCSE
Genmab A/S	18/06/2024	12:38:08 PM	1,800.5000	42	XCSE
Genmab A/S	18/06/2024	12:38:08 PM	1,800.5000	14	XCSE
Genmab A/S	18/06/2024	12:38:08 PM	1,800.5000	28	XCSE
Genmab A/S	18/06/2024	12:38:08 PM	1,800.5000	7	XCSE
Genmab A/S	18/06/2024	12:39:51 PM	1,801.5000	9	XCSE
Genmab A/S	18/06/2024	12:39:51 PM	1,801.5000	37	XCSE
Genmab A/S	18/06/2024	12:39:51 PM	1,801.5000	9	CEUX
Genmab A/S	18/06/2024	12:39:51 PM	1,801.5000	5	TQEX
Genmab A/S	18/06/2024	12:39:51 PM	1,801.5000	4	CEUX
Genmab A/S	18/06/2024	12:39:54 PM	1,801.5000	24	XCSE
Genmab A/S	18/06/2024	12:39:54 PM	1,801.5000	20	CEUX
Genmab A/S	18/06/2024	12:39:54 PM	1,801.5000	24	XCSE
Genmab A/S	18/06/2024	12:39:54 PM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	12:41:30 PM	1,801.5000	9	XCSE
Genmab A/S	18/06/2024	12:41:30 PM	1,801.5000	21	XCSE
Genmab A/S	18/06/2024	12:41:43 PM	1,801.5000	9	CEUX
Genmab A/S	18/06/2024	12:42:35 PM	1,802.0000	4	CEUX
Genmab A/S	18/06/2024	12:42:35 PM	1,802.0000	10	AQEU
Genmab A/S	18/06/2024	12:42:35 PM	1,802.0000	20	AQEU
Genmab A/S	18/06/2024	12:42:58 PM	1,802.0000	7	CEUX
Genmab A/S	18/06/2024	12:42:58 PM	1,802.0000	17	CEUX
Genmab A/S	18/06/2024	12:42:58 PM	1,802.0000	11	TQEX
Genmab A/S	18/06/2024	12:43:58 PM	1,802.5000	4	CEUX
Genmab A/S	18/06/2024	12:43:58 PM	1,802.5000	14	CEUX
Genmab A/S	18/06/2024	12:43:58 PM	1,802.5000	4	CEUX
Genmab A/S	18/06/2024	12:43:58 PM	1,802.5000	2	AQEU
Genmab A/S	18/06/2024	12:43:58 PM	1,802.5000	6	TQEX
Genmab A/S	18/06/2024	12:43:58 PM	1,802.5000	6	TQEX
Genmab A/S	18/06/2024	12:43:58 PM	1,802.5000	2	AQEU

110

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	12:44:56 PM	1,802.5000	10	XCSE
Genmab A/S	18/06/2024	12:44:56 PM	1,802.5000	40	XCSE
Genmab A/S	18/06/2024	12:46:59 PM	1,803.0000	1	XCSE
Genmab A/S	18/06/2024	12:47:05 PM	1,803.0000	10	XCSE
Genmab A/S	18/06/2024	12:47:05 PM	1,803.0000	69	XCSE
Genmab A/S	18/06/2024	12:47:05 PM	1,803.0000	38	XCSE
Genmab A/S	18/06/2024	12:47:05 PM	1,803.0000	21	XCSE
Genmab A/S	18/06/2024	12:47:05 PM	1,803.0000	9	XCSE
Genmab A/S	18/06/2024	12:47:05 PM	1,803.0000	53	CEUX
Genmab A/S	18/06/2024	12:47:06 PM	1,803.5000	3	AQEU
Genmab A/S	18/06/2024	12:47:06 PM	1,803.5000	3	AQEU
Genmab A/S	18/06/2024	12:47:18 PM	1,804.5000	16	XCSE
Genmab A/S	18/06/2024	12:47:18 PM	1,804.5000	4	XCSE
Genmab A/S	18/06/2024	12:47:26 PM	1,804.5000	18	XCSE
Genmab A/S	18/06/2024	12:47:26 PM	1,804.5000	7	XCSE
Genmab A/S	18/06/2024	12:47:31 PM	1,805.0000	3	XCSE
Genmab A/S	18/06/2024	12:47:47 PM	1,805.5000	1	AQEU
Genmab A/S	18/06/2024	12:47:47 PM	1,805.5000	24	XCSE
Genmab A/S	18/06/2024	12:47:47 PM	1,805.5000	30	XCSE
Genmab A/S	18/06/2024	12:47:47 PM	1,805.5000	20	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	1	AQEU
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	4	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	1	AQEU
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	2	AQEU
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	20	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	16	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	12	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	2	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	3	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	4	TQEX

111

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	1	AQEU
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	6	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	2	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	6	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	2	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	1	AQEU
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	2	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	1	AQEU
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	7	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	1	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	4	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	4	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	2	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	2	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	3	CEUX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX

112

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	1	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	39	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	9	AQEU
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	2	AQEU
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	16	AQEU
Genmab A/S	18/06/2024	12:47:55 PM	1,804.5000	19	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,804.5000	19	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,804.5000	30	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,804.5000	2	XCSE
Genmab A/S	18/06/2024	12:47:55 PM	1,805.0000	23	AQEU
Genmab A/S	18/06/2024	12:51:07 PM	1,803.5000	10	XCSE
Genmab A/S	18/06/2024	12:51:07 PM	1,803.5000	44	XCSE
Genmab A/S	18/06/2024	12:53:26 PM	1,803.5000	50	XCSE
Genmab A/S	18/06/2024	12:53:26 PM	1,803.5000	169	XCSE
Genmab A/S	18/06/2024	12:53:26 PM	1,803.0000	41	XCSE
Genmab A/S	18/06/2024	12:53:27 PM	1,803.0000	41	XCSE
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	18	XCSE
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	18	XCSE
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	18	XCSE
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	18	XCSE
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	17	CEUX
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	17	CEUX
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	15	CEUX
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	17	CEUX
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	15	CEUX
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	8	CEUX
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	18	XCSE
Genmab A/S	18/06/2024	12:57:58 PM	1,804.0000	9	XCSE
Genmab A/S	18/06/2024	12:58:08 PM	1,803.0000	84	XCSE
Genmab A/S	18/06/2024	12:58:08 PM	1,803.0000	76	CEUX
Genmab A/S	18/06/2024	12:58:08 PM	1,803.0000	12	TQEX
Genmab A/S	18/06/2024	12:58:08 PM	1,803.0000	11	XCSE
Genmab A/S	18/06/2024	1:02:05 PM	1,803.5000	43	CEUX
Genmab A/S	18/06/2024	1:02:05 PM	1,803.5000	15	CEUX
Genmab A/S	18/06/2024	1:02:05 PM	1,803.5000	8	AQEU
Genmab A/S	18/06/2024	1:02:05 PM	1,803.5000	9	TQEX
Genmab A/S	18/06/2024	1:02:05 PM	1,803.5000	64	XCSE
Genmab A/S	18/06/2024	1:02:07 PM	1,802.0000	2	AQEU
Genmab A/S	18/06/2024	1:05:00 PM	1,803.0000	11	AQEU
Genmab A/S	18/06/2024	1:05:00 PM	1,803.0000	2	AQEU
Genmab A/S	18/06/2024	1:05:35 PM	1,803.0000	38	AQEU
Genmab A/S	18/06/2024	1:05:35 PM	1,803.0000	20	AQEU
Genmab A/S	18/06/2024	1:05:35 PM	1,803.0000	1	AQEU
Genmab A/S	18/06/2024	1:06:11 PM	1,803.5000	39	XCSE
Genmab A/S	18/06/2024	1:06:32 PM	1,803.5000	35	XCSE
Genmab A/S	18/06/2024	1:07:32 PM	1,803.5000	38	XCSE

113

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	1:07:32 PM	1,803.5000	96	XCSE
Genmab A/S	18/06/2024	1:07:32 PM	1,803.5000	67	XCSE
Genmab A/S	18/06/2024	1:07:32 PM	1,803.5000	23	XCSE
Genmab A/S	18/06/2024	1:07:32 PM	1,803.5000	49	XCSE
Genmab A/S	18/06/2024	1:07:32 PM	1,803.5000	39	CEUX
Genmab A/S	18/06/2024	1:07:32 PM	1,803.5000	108	CEUX
Genmab A/S	18/06/2024	1:07:33 PM	1,802.0000	76	XCSE
Genmab A/S	18/06/2024	1:07:33 PM	1,802.0000	70	XCSE
Genmab A/S	18/06/2024	1:07:33 PM	1,801.5000	10	CEUX
Genmab A/S	18/06/2024	1:07:33 PM	1,801.5000	3	AQEU
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	56	XCSE
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	110	XCSE
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	18	CEUX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	33	CEUX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	17	CEUX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	12	CEUX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	22	CEUX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	48	CEUX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	8	AQEU
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	2	TQEX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	8	AQEU
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	8	AQEU
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	8	AQEU
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	8	AQEU
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	5	TQEX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	2	TQEX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	7	TQEX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	5	TQEX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	2	TQEX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	5	TQEX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	7	TQEX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.0000	5	TQEX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.0000	21	CEUX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.0000	13	CEUX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	11	AQEU
Genmab A/S	18/06/2024	1:12:28 PM	1,801.5000	4	AQEU
Genmab A/S	18/06/2024	1:12:28 PM	1,801.0000	8	CEUX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.0000	3	AQEU
Genmab A/S	18/06/2024	1:12:28 PM	1,801.0000	5	TQEX
Genmab A/S	18/06/2024	1:12:28 PM	1,801.0000	11	XCSE
Genmab A/S	18/06/2024	1:18:35 PM	1,803.0000	20	XCSE
Genmab A/S	18/06/2024	1:18:35 PM	1,803.0000	45	XCSE
Genmab A/S	18/06/2024	1:18:35 PM	1,803.0000	73	CEUX
Genmab A/S	18/06/2024	1:18:35 PM	1,803.0000	5	TQEX
Genmab A/S	18/06/2024	1:20:15 PM	1,803.5000	36	CEUX
Genmab A/S	18/06/2024	1:20:55 PM	1,804.0000	1	AQEU
Genmab A/S	18/06/2024	1:22:15 PM	1,805.0000	1	CEUX
Genmab A/S	18/06/2024	1:22:15 PM	1,805.0000	16	CEUX
Genmab A/S	18/06/2024	1:22:15 PM	1,805.0000	6	CEUX

114

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	1:22:15 PM	1,805.0000	20	CEUX
Genmab A/S	18/06/2024	1:22:15 PM	1,805.0000	5	CEUX
Genmab A/S	18/06/2024	1:22:15 PM	1,804.5000	36	CEUX
Genmab A/S	18/06/2024	1:22:15 PM	1,804.5000	43	CEUX
Genmab A/S	18/06/2024	1:22:15 PM	1,804.5000	7	TQEX
Genmab A/S	18/06/2024	1:22:15 PM	1,804.5000	7	TQEX
Genmab A/S	18/06/2024	1:22:15 PM	1,804.5000	2	CEUX
Genmab A/S	18/06/2024	1:22:15 PM	1,804.5000	7	TQEX
Genmab A/S	18/06/2024	1:22:15 PM	1,804.5000	7	TQEX
Genmab A/S	18/06/2024	1:22:15 PM	1,804.5000	43	TQEX
Genmab A/S	18/06/2024	1:22:15 PM	1,804.5000	1	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	1	AQEU
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	15	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	1	AQEU
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	1	AQEU
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	5	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	1	AQEU
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	1	TQEX
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	9	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	11	AQEU
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	1	AQEU
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	39	XCSE
Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	30	XCSE

115

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	1:22:16 PM	1,804.0000	11	XCSE
Genmab A/S	18/06/2024	1:23:11 PM	1,803.0000	8	XCSE
Genmab A/S	18/06/2024	1:23:11 PM	1,803.0000	69	XCSE
Genmab A/S	18/06/2024	1:23:11 PM	1,803.0000	46	XCSE
Genmab A/S	18/06/2024	1:23:11 PM	1,803.0000	69	XCSE
Genmab A/S	18/06/2024	1:23:11 PM	1,802.5000	22	CEUX
Genmab A/S	18/06/2024	1:23:11 PM	1,802.5000	3	AQEU
Genmab A/S	18/06/2024	1:23:11 PM	1,802.5000	5	TQEX
Genmab A/S	18/06/2024	1:23:21 PM	1,802.5000	23	XCSE
Genmab A/S	18/06/2024	1:23:21 PM	1,802.5000	23	XCSE
Genmab A/S	18/06/2024	1:27:24 PM	1,802.0000	18	CEUX
Genmab A/S	18/06/2024	1:27:24 PM	1,802.0000	6	CEUX
Genmab A/S	18/06/2024	1:27:24 PM	1,802.0000	1	TQEX
Genmab A/S	18/06/2024	1:27:24 PM	1,802.0000	20	XCSE
Genmab A/S	18/06/2024	1:27:24 PM	1,802.0000	5	XCSE
Genmab A/S	18/06/2024	1:27:24 PM	1,802.0000	4	TQEX
Genmab A/S	18/06/2024	1:27:24 PM	1,802.0000	1	TQEX
Genmab A/S	18/06/2024	1:31:29 PM	1,803.5000	12	CEUX
Genmab A/S	18/06/2024	1:31:29 PM	1,803.5000	1	CEUX
Genmab A/S	18/06/2024	1:31:29 PM	1,803.5000	3	TQEX
Genmab A/S	18/06/2024	1:31:29 PM	1,803.5000	5	XCSE
Genmab A/S	18/06/2024	1:31:46 PM	1,803.0000	7	XCSE
Genmab A/S	18/06/2024	1:33:13 PM	1,803.0000	53	CEUX
Genmab A/S	18/06/2024	1:33:13 PM	1,803.0000	37	CEUX
Genmab A/S	18/06/2024	1:33:13 PM	1,803.0000	13	AQEU
Genmab A/S	18/06/2024	1:33:13 PM	1,803.0000	14	TQEX
Genmab A/S	18/06/2024	1:33:13 PM	1,803.0000	61	XCSE
Genmab A/S	18/06/2024	1:33:13 PM	1,803.0000	101	XCSE
Genmab A/S	18/06/2024	1:33:13 PM	1,802.5000	21	CEUX
Genmab A/S	18/06/2024	1:33:13 PM	1,802.5000	2	CEUX
Genmab A/S	18/06/2024	1:33:13 PM	1,802.5000	10	CEUX
Genmab A/S	18/06/2024	1:33:13 PM	1,802.5000	9	CEUX
Genmab A/S	18/06/2024	1:33:13 PM	1,802.5000	3	AQEU
Genmab A/S	18/06/2024	1:33:13 PM	1,802.5000	3	AQEU
Genmab A/S	18/06/2024	1:33:13 PM	1,802.5000	22	XCSE
Genmab A/S	18/06/2024	1:33:13 PM	1,802.5000	22	XCSE
Genmab A/S	18/06/2024	1:33:13 PM	1,802.5000	36	XCSE
Genmab A/S	18/06/2024	1:33:13 PM	1,802.5000	22	XCSE
Genmab A/S	18/06/2024	1:34:28 PM	1,802.5000	10	CEUX
Genmab A/S	18/06/2024	1:34:28 PM	1,802.5000	4	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	50	XCSE
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	22	XCSE
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	64	XCSE
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	14	XCSE
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	22	XCSE
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	30	XCSE
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	20	XCSE
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	2	XCSE
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	48	XCSE

116

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	16	XCSE
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	107	XCSE
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	1	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	48	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	9	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	11	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	49	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	58	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	11	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	56	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	2	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	32	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	13	CEUX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	8	AQEU
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	9	AQEU
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	8	AQEU
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	7	AQEU
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	8	TQEX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	1	TQEX
Genmab A/S	18/06/2024	1:36:29 PM	1,803.5000	19	XCSE
Genmab A/S	18/06/2024	1:40:27 PM	1,803.5000	14	XCSE
Genmab A/S	18/06/2024	1:40:27 PM	1,803.5000	32	XCSE
Genmab A/S	18/06/2024	1:40:27 PM	1,803.5000	51	XCSE
Genmab A/S	18/06/2024	1:40:27 PM	1,803.5000	60	XCSE
Genmab A/S	18/06/2024	1:40:27 PM	1,803.5000	14	XCSE
Genmab A/S	18/06/2024	1:40:27 PM	1,803.5000	12	XCSE
Genmab A/S	18/06/2024	1:40:27 PM	1,803.5000	10	XCSE
Genmab A/S	18/06/2024	1:40:27 PM	1,803.5000	29	XCSE
Genmab A/S	18/06/2024	1:40:27 PM	1,803.5000	4	CEUX
Genmab A/S	18/06/2024	1:40:27 PM	1,803.5000	1	TQEX
Genmab A/S	18/06/2024	1:48:20 PM	1,805.0000	3	AQEU
Genmab A/S	18/06/2024	1:48:20 PM	1,805.0000	40	AQEU
Genmab A/S	18/06/2024	1:48:28 PM	1,805.5000	13	CEUX
Genmab A/S	18/06/2024	1:48:28 PM	1,805.5000	2	CEUX
Genmab A/S	18/06/2024	1:49:19 PM	1,807.0000	35	XCSE
Genmab A/S	18/06/2024	1:49:19 PM	1,807.0000	35	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	2	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	11	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	5	TQEX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	XCSE

117

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	3	TQEX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	6	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	3	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	9	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	2	TQEX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	13	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	6	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	3	CEUX
Genmab A/S	18/06/2024	1:49:51 PM	1,807.0000	5	CEUX
Genmab A/S	18/06/2024	1:50:39 PM	1,807.0000	26	XCSE
Genmab A/S	18/06/2024	1:50:39 PM	1,807.0000	4	TQEX
Genmab A/S	18/06/2024	1:51:41 PM	1,807.0000	16	XCSE
Genmab A/S	18/06/2024	1:51:41 PM	1,807.0000	37	CEUX
Genmab A/S	18/06/2024	1:51:41 PM	1,807.0000	18	CEUX
Genmab A/S	18/06/2024	1:51:41 PM	1,807.0000	6	AQEU
Genmab A/S	18/06/2024	1:51:41 PM	1,807.0000	10	CEUX
Genmab A/S	18/06/2024	1:51:41 PM	1,807.0000	6	AQEU
Genmab A/S	18/06/2024	1:52:26 PM	1,808.0000	16	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,808.0000	5	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,808.0000	9	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,808.0000	8	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	4	CEUX
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	44	CEUX
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	48	CEUX
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	2	CEUX
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	10	CEUX
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	23	CEUX
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	7	AQEU
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	7	AQEU
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	7	AQEU
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	15	CEUX
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	23	CEUX
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	7	AQEU
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	7	AQEU
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	7	AQEU
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	24	XCSE

118

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	61	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	53	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	5	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	6	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	3	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	9	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	53	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	31	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	9	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	40	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,807.0000	2	CEUX
Genmab A/S	18/06/2024	1:52:26 PM	1,806.5000	6	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,806.5000	78	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,806.5000	22	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,806.5000	24	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,806.5000	73	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,806.5000	46	XCSE
Genmab A/S	18/06/2024	1:52:26 PM	1,806.5000	17	XCSE
Genmab A/S	18/06/2024	1:52:27 PM	1,805.0000	20	CEUX
Genmab A/S	18/06/2024	1:52:30 PM	1,805.0000	20	CEUX
Genmab A/S	18/06/2024	1:52:30 PM	1,805.0000	2	AQEU
Genmab A/S	18/06/2024	1:52:30 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	1:52:30 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	1:52:30 PM	1,805.0000	11	XCSE
Genmab A/S	18/06/2024	1:52:30 PM	1,805.0000	9	XCSE
Genmab A/S	18/06/2024	1:52:30 PM	1,805.0000	2	AQEU
Genmab A/S	18/06/2024	1:52:30 PM	1,805.0000	17	CEUX
Genmab A/S	18/06/2024	1:52:30 PM	1,805.0000	20	XCSE
Genmab A/S	18/06/2024	1:52:32 PM	1,805.0000	1	CEUX
Genmab A/S	18/06/2024	1:52:32 PM	1,805.0000	2	AQEU
Genmab A/S	18/06/2024	1:52:32 PM	1,805.0000	3	AQEU
Genmab A/S	18/06/2024	1:52:32 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	1:52:32 PM	1,805.0000	3	TQEX
Genmab A/S	18/06/2024	1:52:32 PM	1,805.0000	20	XCSE
Genmab A/S	18/06/2024	1:52:32 PM	1,805.0000	1	XCSE
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	37	XCSE
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	56	XCSE
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	30	XCSE
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	52	CEUX
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	42	CEUX
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	10	CEUX
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	52	CEUX
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	8	CEUX
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	15	CEUX
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	56	XCSE
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	30	XCSE
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	35	XCSE
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	52	XCSE
Genmab A/S	18/06/2024	2:01:32 PM	1,806.0000	10	XCSE

119

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	2:01:35 PM	1,804.5000	16	CEUX
Genmab A/S	18/06/2024	2:01:35 PM	1,804.5000	52	CEUX
Genmab A/S	18/06/2024	2:01:35 PM	1,804.0000	19	CEUX
Genmab A/S	18/06/2024	2:01:35 PM	1,804.0000	3	AQEU
Genmab A/S	18/06/2024	2:01:35 PM	1,804.0000	2	AQEU
Genmab A/S	18/06/2024	2:01:35 PM	1,804.0000	20	XCSE
Genmab A/S	18/06/2024	2:01:35 PM	1,804.0000	20	XCSE
Genmab A/S	18/06/2024	2:06:18 PM	1,803.5000	20	CEUX
Genmab A/S	18/06/2024	2:08:26 PM	1,804.5000	36	XCSE
Genmab A/S	18/06/2024	2:08:26 PM	1,804.5000	34	XCSE
Genmab A/S	18/06/2024	2:08:26 PM	1,804.5000	10	XCSE
Genmab A/S	18/06/2024	2:08:26 PM	1,804.5000	2	TQEX
Genmab A/S	18/06/2024	2:08:26 PM	1,804.5000	9	TQEX
Genmab A/S	18/06/2024	2:08:42 PM	1,804.5000	7	TQEX
Genmab A/S	18/06/2024	2:08:42 PM	1,804.5000	43	XCSE
Genmab A/S	18/06/2024	2:08:42 PM	1,804.5000	7	TQEX
Genmab A/S	18/06/2024	2:08:44 PM	1,804.5000	7	TQEX
Genmab A/S	18/06/2024	2:08:44 PM	1,804.5000	1	TQEX
Genmab A/S	18/06/2024	2:08:44 PM	1,804.5000	28	XCSE
Genmab A/S	18/06/2024	2:08:48 PM	1,804.5000	19	XCSE
Genmab A/S	18/06/2024	2:08:48 PM	1,804.5000	5	XCSE
Genmab A/S	18/06/2024	2:09:07 PM	1,804.5000	5	XCSE
Genmab A/S	18/06/2024	2:09:07 PM	1,804.5000	24	XCSE
Genmab A/S	18/06/2024	2:09:07 PM	1,804.5000	5	XCSE
Genmab A/S	18/06/2024	2:09:32 PM	1,804.5000	35	XCSE
Genmab A/S	18/06/2024	2:09:32 PM	1,804.5000	44	CEUX
Genmab A/S	18/06/2024	2:09:32 PM	1,804.5000	20	CEUX
Genmab A/S	18/06/2024	2:09:32 PM	1,804.5000	24	CEUX
Genmab A/S	18/06/2024	2:09:32 PM	1,804.5000	36	CEUX
Genmab A/S	18/06/2024	2:09:32 PM	1,804.5000	8	CEUX
Genmab A/S	18/06/2024	2:09:32 PM	1,804.5000	8	CEUX
Genmab A/S	18/06/2024	2:09:39 PM	1,804.5000	45	XCSE
Genmab A/S	18/06/2024	2:11:34 PM	1,804.5000	7	CEUX
Genmab A/S	18/06/2024	2:11:40 PM	1,804.5000	24	XCSE
Genmab A/S	18/06/2024	2:12:44 PM	1,805.0000	61	TQEX
Genmab A/S	18/06/2024	2:12:44 PM	1,805.0000	27	XCSE
Genmab A/S	18/06/2024	2:13:45 PM	1,805.0000	45	XCSE
Genmab A/S	18/06/2024	2:13:45 PM	1,805.0000	76	XCSE
Genmab A/S	18/06/2024	2:13:55 PM	1,805.5000	33	XCSE
Genmab A/S	18/06/2024	2:14:33 PM	1,806.0000	25	XCSE
Genmab A/S	18/06/2024	2:14:33 PM	1,806.0000	12	XCSE
Genmab A/S	18/06/2024	2:14:33 PM	1,806.0000	12	XCSE
Genmab A/S	18/06/2024	2:14:33 PM	1,806.0000	11	CEUX
Genmab A/S	18/06/2024	2:14:34 PM	1,806.0000	11	CEUX
Genmab A/S	18/06/2024	2:14:34 PM	1,806.0000	8	XCSE
Genmab A/S	18/06/2024	2:14:34 PM	1,806.0000	4	XCSE
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	118	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX

120

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	11	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	2	AQEU
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	17	AQEU
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	43	AQEU
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	131	XCSE
Genmab A/S	18/06/2024	2:17:04 PM	1,807.0000	348	XCSE
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	19	XCSE
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	15	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	4	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	19	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	11	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	2	AQEU
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	2	AQEU
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	5	TQEX
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	5	TQEX
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	5	TQEX
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	19	XCSE
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	16	XCSE
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	36	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	31	CEUX
Genmab A/S	18/06/2024	2:17:04 PM	1,806.0000	4	CEUX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	58	XCSE
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	9	CEUX

121

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	9	CEUX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	9	CEUX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	9	CEUX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	9	CEUX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	9	CEUX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	7	CEUX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	1	AQEU
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	5	TQEX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	23	CEUX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	23	CEUX
Genmab A/S	18/06/2024	2:25:47 PM	1,805.0000	33	XCSE
Genmab A/S	18/06/2024	2:27:53 PM	1,805.0000	9	CEUX
Genmab A/S	18/06/2024	2:27:53 PM	1,805.0000	4	XCSE
Genmab A/S	18/06/2024	2:28:20 PM	1,805.0000	11	XCSE
Genmab A/S	18/06/2024	2:28:20 PM	1,805.0000	87	XCSE
Genmab A/S	18/06/2024	2:28:20 PM	1,805.0000	69	XCSE
Genmab A/S	18/06/2024	2:28:20 PM	1,805.0000	10	CEUX
Genmab A/S	18/06/2024	2:28:20 PM	1,805.0000	36	CEUX
Genmab A/S	18/06/2024	2:28:20 PM	1,805.0000	42	CEUX
Genmab A/S	18/06/2024	2:28:21 PM	1,805.0000	23	XCSE
Genmab A/S	18/06/2024	2:28:21 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	2:31:00 PM	1,805.5000	30	XCSE
Genmab A/S	18/06/2024	2:31:16 PM	1,805.5000	10	XCSE
Genmab A/S	18/06/2024	2:31:16 PM	1,805.5000	29	XCSE
Genmab A/S	18/06/2024	2:31:18 PM	1,804.5000	1	AQEU
Genmab A/S	18/06/2024	2:31:18 PM	1,804.5000	1	AQEU
Genmab A/S	18/06/2024	2:31:39 PM	1,805.5000	30	XCSE
Genmab A/S	18/06/2024	2:31:39 PM	1,805.5000	9	XCSE
Genmab A/S	18/06/2024	2:31:59 PM	1,805.5000	30	XCSE
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	13	CEUX
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	18	CEUX
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	26	CEUX
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	5	CEUX
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	19	CEUX
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	3	AQEU
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	3	AQEU
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	2	AQEU
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	5	AQEU
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	2	AQEU
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	3	AQEU
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	2	AQEU
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	19	XCSE
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	14	XCSE
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	14	XCSE
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	14	XCSE
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	19	XCSE
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	5	TQEX
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	5	TQEX

122

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	5	TQEX
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	5	TQEX
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	5	TQEX
Genmab A/S	18/06/2024	2:32:05 PM	1,804.0000	13	CEUX
Genmab A/S	18/06/2024	2:32:05 PM	1,804.5000	53	XCSE
Genmab A/S	18/06/2024	2:32:57 PM	1,804.0000	10	XCSE
Genmab A/S	18/06/2024	2:32:57 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	2:32:57 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	2:32:57 PM	1,804.0000	1	XCSE
Genmab A/S	18/06/2024	2:32:57 PM	1,804.0000	1	XCSE
Genmab A/S	18/06/2024	2:33:05 PM	1,804.0000	1	AQEU
Genmab A/S	18/06/2024	2:34:13 PM	1,804.0000	10	CEUX
Genmab A/S	18/06/2024	2:34:13 PM	1,804.0000	2	CEUX
Genmab A/S	18/06/2024	2:34:13 PM	1,804.0000	2	AQEU
Genmab A/S	18/06/2024	2:34:13 PM	1,804.0000	5	AQEU
Genmab A/S	18/06/2024	2:35:07 PM	1,804.5000	31	CEUX
Genmab A/S	18/06/2024	2:35:07 PM	1,804.5000	11	CEUX
Genmab A/S	18/06/2024	2:35:07 PM	1,804.5000	45	XCSE
Genmab A/S	18/06/2024	2:35:15 PM	1,804.5000	6	CEUX
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	40	CEUX
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	40	CEUX
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	11	CEUX
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	7	CEUX
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	33	CEUX
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	5	CEUX
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	6	AQEU
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	6	AQEU
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	6	AQEU
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	6	AQEU
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	6	AQEU
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	6	AQEU
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	6	AQEU
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	2	AQEU
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	45	XCSE
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	44	XCSE
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	1	XCSE
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	6	XCSE
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	45	XCSE
Genmab A/S	18/06/2024	2:35:26 PM	1,804.0000	9	XCSE
Genmab A/S	18/06/2024	2:35:26 PM	1,803.5000	20	XCSE
Genmab A/S	18/06/2024	2:35:26 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	2:35:26 PM	1,803.5000	5	TQEX
Genmab A/S	18/06/2024	2:35:26 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	2:35:26 PM	1,803.5000	20	XCSE
Genmab A/S	18/06/2024	2:35:27 PM	1,803.5000	19	CEUX
Genmab A/S	18/06/2024	2:35:27 PM	1,803.5000	14	XCSE
Genmab A/S	18/06/2024	2:35:27 PM	1,803.5000	6	XCSE
Genmab A/S	18/06/2024	2:35:28 PM	1,803.5000	5	XCSE
Genmab A/S	18/06/2024	2:35:28 PM	1,803.5000	15	CEUX

123

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	2:35:28 PM	1,803.5000	3	TQEX
Genmab A/S	18/06/2024	2:38:50 PM	1,802.5000	11	XCSE
Genmab A/S	18/06/2024	2:38:59 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	2:38:59 PM	1,803.5000	2	TQEX
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	50	XCSE
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	3	XCSE
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	53	XCSE
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	29	XCSE
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	3	XCSE
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	50	XCSE
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	3	XCSE
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	47	CEUX
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	1	CEUX
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	48	CEUX
Genmab A/S	18/06/2024	2:40:39 PM	1,803.0000	48	CEUX
Genmab A/S	18/06/2024	2:40:51 PM	1,802.5000	49	XCSE
Genmab A/S	18/06/2024	2:40:51 PM	1,802.5000	11	XCSE
Genmab A/S	18/06/2024	2:40:51 PM	1,802.5000	44	CEUX
Genmab A/S	18/06/2024	2:40:51 PM	1,802.5000	11	CEUX
Genmab A/S	18/06/2024	2:40:51 PM	1,802.5000	6	CEUX
Genmab A/S	18/06/2024	2:40:52 PM	1,802.5000	24	CEUX
Genmab A/S	18/06/2024	2:42:13 PM	1,803.5000	1	AQEU
Genmab A/S	18/06/2024	2:42:34 PM	1,803.5000	25	AQEU
Genmab A/S	18/06/2024	2:42:34 PM	1,803.5000	9	AQEU
Genmab A/S	18/06/2024	2:42:34 PM	1,803.5000	1	AQEU
Genmab A/S	18/06/2024	2:42:34 PM	1,803.5000	2	TQEX
Genmab A/S	18/06/2024	2:42:34 PM	1,803.5000	9	TQEX
Genmab A/S	18/06/2024	2:42:41 PM	1,803.5000	6	AQEU
Genmab A/S	18/06/2024	2:42:41 PM	1,803.5000	1	AQEU
Genmab A/S	18/06/2024	2:42:41 PM	1,803.5000	9	TQEX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	25	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	21	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	30	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	11	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	4	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	51	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	11	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	16	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	33	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	11	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	11	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	11	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	20	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	11	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	8	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	9	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	2	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	9	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	2	XCSE

124

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	9	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	69	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	9	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	25	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	7	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	2	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	11	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	11	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	11	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	11	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	24	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	2	AQEU
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	3	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	21	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	15	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	27	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.5000	8	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	3	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	19	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	2	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	23	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	17	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	8	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	14	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	20	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	7	CEUX
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	21	XCSE
Genmab A/S	18/06/2024	2:42:44 PM	1,802.0000	23	XCSE
Genmab A/S	18/06/2024	2:52:11 PM	1,805.0000	3	XCSE
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	7	CEUX
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	54	CEUX
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	15	CEUX
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	30	CEUX
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	17	CEUX
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	7	CEUX
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	4	CEUX
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	3	AQEU
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	8	AQEU
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	13	XCSE
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	46	XCSE
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	14	XCSE
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	14	XCSE

125

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	2	XCSE
Genmab A/S	18/06/2024	2:52:27 PM	1,805.0000	14	XCSE
Genmab A/S	18/06/2024	2:52:32 PM	1,805.0000	11	CEUX
Genmab A/S	18/06/2024	2:52:32 PM	1,805.0000	51	CEUX
Genmab A/S	18/06/2024	2:52:32 PM	1,805.0000	3	CEUX
Genmab A/S	18/06/2024	2:52:32 PM	1,805.0000	15	CEUX
Genmab A/S	18/06/2024	2:52:32 PM	1,805.0000	3	AQEU
Genmab A/S	18/06/2024	2:52:32 PM	1,805.0000	8	AQEU
Genmab A/S	18/06/2024	2:52:32 PM	1,805.0000	46	XCSE
Genmab A/S	18/06/2024	2:52:32 PM	1,805.0000	16	XCSE
Genmab A/S	18/06/2024	2:52:32 PM	1,805.0000	5	XCSE
Genmab A/S	18/06/2024	2:52:48 PM	1,805.5000	18	CEUX
Genmab A/S	18/06/2024	2:52:48 PM	1,805.5000	10	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	4	XCSE
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	7	XCSE
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	10	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	10	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	10	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	6	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	8	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	2	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:56:05 PM	1,807.0000	10	CEUX
Genmab A/S	18/06/2024	2:58:17 PM	1,807.5000	17	XCSE
Genmab A/S	18/06/2024	2:58:17 PM	1,807.5000	99	XCSE
Genmab A/S	18/06/2024	2:58:17 PM	1,807.5000	24	XCSE
Genmab A/S	18/06/2024	2:58:18 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:58:18 PM	1,807.0000	3	CEUX
Genmab A/S	18/06/2024	2:58:18 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	2:58:18 PM	1,807.0000	1	XCSE
Genmab A/S	18/06/2024	2:58:18 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	2:59:01 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	2:59:01 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	2:59:01 PM	1,807.0000	11	CEUX
Genmab A/S	18/06/2024	2:59:02 PM	1,807.0000	1	CEUX
Genmab A/S	18/06/2024	2:59:02 PM	1,807.0000	24	CEUX
Genmab A/S	18/06/2024	2:59:06 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	2:59:06 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	2:59:06 PM	1,807.0000	30	CEUX
Genmab A/S	18/06/2024	2:59:06 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	2:59:06 PM	1,807.0000	10	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	25	XCSE
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	12	CEUX

126

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	23	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	23	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	8	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	4	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	8	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	5	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	18	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	23	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	2	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	2	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	5	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	13	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	3	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	4	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	10	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	4	AQEU
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	25	XCSE
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	4	AQEU
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	13	CEUX
Genmab A/S	18/06/2024	3:01:30 PM	1,807.0000	1	CEUX
Genmab A/S	18/06/2024	3:01:31 PM	1,807.0000	11	CEUX
Genmab A/S	18/06/2024	3:01:31 PM	1,807.0000	23	CEUX
Genmab A/S	18/06/2024	3:01:31 PM	1,807.0000	4	AQEU
Genmab A/S	18/06/2024	3:01:31 PM	1,807.0000	8	CEUX
Genmab A/S	18/06/2024	3:01:31 PM	1,807.0000	4	AQEU
Genmab A/S	18/06/2024	3:03:03 PM	1,808.0000	45	TQEX
Genmab A/S	18/06/2024	3:03:03 PM	1,808.0000	45	TQEX
Genmab A/S	18/06/2024	3:03:03 PM	1,808.0000	4	TQEX
Genmab A/S	18/06/2024	3:03:03 PM	1,808.0000	31	TQEX
Genmab A/S	18/06/2024	3:03:03 PM	1,808.0000	4	TQEX
Genmab A/S	18/06/2024	3:03:03 PM	1,808.0000	35	TQEX
Genmab A/S	18/06/2024	3:03:03 PM	1,808.0000	10	TQEX
Genmab A/S	18/06/2024	3:03:03 PM	1,808.0000	7	TQEX
Genmab A/S	18/06/2024	3:03:03 PM	1,808.0000	10	TQEX
Genmab A/S	18/06/2024	3:03:03 PM	1,808.0000	10	TQEX
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	11	CEUX

127

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	11	CEUX
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	11	CEUX
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:03 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	11	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	11	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	1	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	4	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	13	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	11	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	11	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	11	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	11	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	11	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	11	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	7	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	2	AQEU

128

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	4	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	5	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	6	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	4	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	6	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	9	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	1	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	13	AQEU
Genmab A/S	18/06/2024	3:03:04 PM	1,807.0000	14	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.0000	3	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.0000	27	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	39	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	30	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	5	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	17	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.0000	14	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.0000	39	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	30	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	5	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	10	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	10	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	39	XCSE
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	25	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	25	CEUX
Genmab A/S	18/06/2024	3:03:04 PM	1,807.5000	12	CEUX
Genmab A/S	18/06/2024	3:08:04 PM	1,806.5000	11	XCSE
Genmab A/S	18/06/2024	3:08:04 PM	1,806.5000	12	XCSE
Genmab A/S	18/06/2024	3:09:21 PM	1,808.5000	8	XCSE
Genmab A/S	18/06/2024	3:09:26 PM	1,808.5000	4	XCSE
Genmab A/S	18/06/2024	3:09:26 PM	1,808.5000	12	CEUX
Genmab A/S	18/06/2024	3:09:26 PM	1,808.5000	2	AQEU
Genmab A/S	18/06/2024	3:09:26 PM	1,808.5000	2	AQEU
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	12	XCSE

129

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	2	XCSE
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	12	CEUX
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	12	CEUX
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	12	XCSE
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	12	XCSE
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	12	XCSE
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	12	CEUX
Genmab A/S	18/06/2024	3:10:29 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:10:30 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:10:30 PM	1,809.0000	12	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	6	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	5	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	33	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	33	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	23	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	13	CEUX
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	3	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	12	CEUX
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	51	CEUX
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	5	CEUX
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	8	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	4	CEUX
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	10	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	1	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	29	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:11:03 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:04 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:04 PM	1,809.0000	3	CEUX
Genmab A/S	18/06/2024	3:11:04 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:11:04 PM	1,809.0000	2	XCSE
Genmab A/S	18/06/2024	3:11:04 PM	1,809.0000	10	XCSE
Genmab A/S	18/06/2024	3:11:04 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:04 PM	1,809.0000	10	CEUX

130

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:11:04 PM	1,809.0000	1	XCSE
Genmab A/S	18/06/2024	3:11:05 PM	1,809.0000	11	XCSE
Genmab A/S	18/06/2024	3:11:05 PM	1,808.0000	3	AQEU
Genmab A/S	18/06/2024	3:11:05 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,809.0000	7	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,809.0000	8	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,809.0000	2	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,809.0000	8	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,809.0000	10	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,809.0000	3	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,808.5000	46	XCSE
Genmab A/S	18/06/2024	3:11:05 PM	1,809.0000	7	XCSE
Genmab A/S	18/06/2024	3:11:05 PM	1,808.5000	23	XCSE
Genmab A/S	18/06/2024	3:11:05 PM	1,808.5000	12	XCSE
Genmab A/S	18/06/2024	3:11:05 PM	1,808.5000	11	XCSE
Genmab A/S	18/06/2024	3:11:05 PM	1,808.5000	12	XCSE
Genmab A/S	18/06/2024	3:11:05 PM	1,808.5000	23	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,808.0000	21	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,808.0000	21	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,808.0000	21	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,808.0000	6	CEUX
Genmab A/S	18/06/2024	3:11:05 PM	1,808.0000	3	AQEU
Genmab A/S	18/06/2024	3:11:05 PM	1,808.0000	5	AQEU
Genmab A/S	18/06/2024	3:11:05 PM	1,808.0000	23	XCSE
Genmab A/S	18/06/2024	3:11:05 PM	1,808.0000	45	XCSE
Genmab A/S	18/06/2024	3:11:05 PM	1,808.0000	68	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	13	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	10	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	45	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	17	CEUX
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	3	AQEU
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	4	CEUX
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	15	CEUX
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	1	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	9	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	9	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,808.0000	30	AQEU
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	21	CEUX
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	3	AQEU
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	21	CEUX
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	21	CEUX
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	8	CEUX
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	3	AQEU
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	3	AQEU
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	22	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	100	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	22	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	21	CEUX

131

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	3	AQEU
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	8	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	21	CEUX
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	3	AQEU
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	8	XCSE
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	21	CEUX
Genmab A/S	18/06/2024	3:11:06 PM	1,807.5000	3	AQEU
Genmab A/S	18/06/2024	3:11:07 PM	1,807.5000	21	CEUX
Genmab A/S	18/06/2024	3:11:07 PM	1,807.5000	20	CEUX
Genmab A/S	18/06/2024	3:11:07 PM	1,807.5000	3	AQEU
Genmab A/S	18/06/2024	3:11:07 PM	1,807.5000	3	AQEU
Genmab A/S	18/06/2024	3:11:07 PM	1,807.5000	6	XCSE
Genmab A/S	18/06/2024	3:11:07 PM	1,807.5000	49	XCSE
Genmab A/S	18/06/2024	3:11:07 PM	1,807.5000	9	AQEU
Genmab A/S	18/06/2024	3:11:07 PM	1,807.5000	16	AQEU
Genmab A/S	18/06/2024	3:11:07 PM	1,807.5000	2	AQEU
Genmab A/S	18/06/2024	3:11:07 PM	1,807.5000	12	AQEU
Genmab A/S	18/06/2024	3:20:30 PM	1,806.5000	7	CEUX
Genmab A/S	18/06/2024	3:20:30 PM	1,806.5000	2	AQEU
Genmab A/S	18/06/2024	3:22:01 PM	1,807.0000	40	CEUX
Genmab A/S	18/06/2024	3:22:01 PM	1,807.0000	40	CEUX
Genmab A/S	18/06/2024	3:22:01 PM	1,807.0000	1	CEUX
Genmab A/S	18/06/2024	3:22:01 PM	1,807.0000	26	CEUX
Genmab A/S	18/06/2024	3:22:01 PM	1,807.0000	8	CEUX
Genmab A/S	18/06/2024	3:22:01 PM	1,807.0000	10	CEUX
Genmab A/S	18/06/2024	3:22:01 PM	1,807.0000	21	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	10	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	26	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	8	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	24	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	17	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	26	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	41	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	4	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	19	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	3	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	22	CEUX
Genmab A/S	18/06/2024	3:22:02 PM	1,807.0000	19	CEUX
Genmab A/S	18/06/2024	3:22:03 PM	1,807.0000	14	CEUX
Genmab A/S	18/06/2024	3:22:06 PM	1,807.0000	2	CEUX
Genmab A/S	18/06/2024	3:22:06 PM	1,807.0000	29	CEUX
Genmab A/S	18/06/2024	3:22:06 PM	1,807.0000	12	CEUX
Genmab A/S	18/06/2024	3:22:06 PM	1,807.0000	2	CEUX
Genmab A/S	18/06/2024	3:22:06 PM	1,807.0000	11	CEUX
Genmab A/S	18/06/2024	3:24:47 PM	1,807.0000	43	XCSE
Genmab A/S	18/06/2024	3:24:59 PM	1,807.5000	7	XCSE
Genmab A/S	18/06/2024	3:25:00 PM	1,807.0000	28	CEUX
Genmab A/S	18/06/2024	3:25:00 PM	1,807.0000	9	CEUX
Genmab A/S	18/06/2024	3:25:00 PM	1,807.0000	3	CEUX

132

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:25:00 PM	1,807.0000	40	CEUX
Genmab A/S	18/06/2024	3:25:00 PM	1,807.0000	5	CEUX
Genmab A/S	18/06/2024	3:25:00 PM	1,807.0000	18	CEUX
Genmab A/S	18/06/2024	3:25:10 PM	1,807.0000	18	CEUX
Genmab A/S	18/06/2024	3:25:10 PM	1,807.0000	43	XCSE
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	11	XCSE
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	37	XCSE
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	11	XCSE
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	4	AQEU
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	20	XCSE
Genmab A/S	18/06/2024	3:27:40 PM	1,807.0000	40	XCSE
Genmab A/S	18/06/2024	3:27:41 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:27:41 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:27:41 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:27:41 PM	1,807.0000	4	AQEU
Genmab A/S	18/06/2024	3:27:41 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:27:41 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:27:41 PM	1,807.0000	8	AQEU
Genmab A/S	18/06/2024	3:27:42 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:27:42 PM	1,807.0000	7	XCSE
Genmab A/S	18/06/2024	3:27:42 PM	1,807.0000	53	XCSE
Genmab A/S	18/06/2024	3:27:42 PM	1,807.0000	2	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	6	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	3	XCSE
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	1	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	3	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	4	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	15	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	6	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	2	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	8	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	8	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	8	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	8	AQEU
Genmab A/S	18/06/2024	3:27:43 PM	1,807.0000	12	XCSE
Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	11	XCSE
Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	11	CEUX
Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	5	CEUX
Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	11	CEUX
Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	2	AQEU
Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	2	AQEU
Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	11	XCSE
Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	19	XCSE
Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	11	CEUX

133

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	2	AQEU
Genmab A/S	18/06/2024	3:29:38 PM	1,806.0000	7	XCSE
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	22	CEUX
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	13	CEUX
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	3	AQEU
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	11	AQEU
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	9	CEUX
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	10	CEUX
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	23	XCSE
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	23	XCSE
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	11	XCSE
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	4	CEUX
Genmab A/S	18/06/2024	3:30:01 PM	1,805.0000	22	CEUX
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	22	CEUX
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	6	CEUX
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	3	AQEU
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	21	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	2	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	16	CEUX
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	3	AQEU
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	14	CEUX
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	8	CEUX
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	9	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	22	CEUX
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	3	AQEU
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	14	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	7	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	1	CEUX
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	48	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	40	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	8	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,805.0000	4	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,804.5000	6	AQEU
Genmab A/S	18/06/2024	3:30:02 PM	1,804.5000	6	AQEU
Genmab A/S	18/06/2024	3:30:02 PM	1,804.5000	6	AQEU
Genmab A/S	18/06/2024	3:30:02 PM	1,804.5000	6	AQEU
Genmab A/S	18/06/2024	3:30:02 PM	1,804.5000	35	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,804.5000	5	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,804.5000	30	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,804.5000	5	XCSE
Genmab A/S	18/06/2024	3:30:02 PM	1,804.5000	6	AQEU
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	6	AQEU
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	6	AQEU
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	35	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	40	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	16	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	24	XCSE

134

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	40	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	17	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	4	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	19	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	5	AQEU
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	15	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	25	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	3	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	37	XCSE
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	9	AQEU
Genmab A/S	18/06/2024	3:30:03 PM	1,804.5000	15	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	15	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	4	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	19	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	8	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	19	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	6	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	3	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	14	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	3	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	10	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	44	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	20	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	39	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	9	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	19	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	16	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	19	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	11	CEUX
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	3	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	3	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	9	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	6	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	3	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	11	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	33	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	20	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	3	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	15	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	15	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	1	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	13	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	20	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	31	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	33	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	5	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	6	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	4	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	3	AQEU

135

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	3	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	3	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	3	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	7	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	6	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	12	XCSE
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	5	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	5	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	5	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	5	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	5	AQEU
Genmab A/S	18/06/2024	3:32:06 PM	1,805.5000	37	XCSE
Genmab A/S	18/06/2024	3:32:07 PM	1,805.5000	5	AQEU
Genmab A/S	18/06/2024	3:32:07 PM	1,805.5000	2	AQEU
Genmab A/S	18/06/2024	3:32:07 PM	1,805.5000	41	XCSE
Genmab A/S	18/06/2024	3:32:07 PM	1,805.5000	33	XCSE
Genmab A/S	18/06/2024	3:32:07 PM	1,805.5000	5	AQEU
Genmab A/S	18/06/2024	3:32:07 PM	1,805.5000	7	XCSE
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	15	CEUX
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	3	CEUX
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	3	CEUX
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	3	AQEU
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	1	AQEU
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	20	XCSE
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	20	XCSE
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	15	XCSE
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	20	XCSE
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	90	XCSE
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	10	XCSE
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	3	CEUX
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	3	AQEU
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	1	AQEU
Genmab A/S	18/06/2024	3:36:55 PM	1,800.0000	3	AQEU
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	12	CEUX
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	2	CEUX
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	3	AQEU
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	5	AQEU
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	1	XCSE
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	3	AQEU
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	18	CEUX
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	12	XCSE
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	18	CEUX
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	7	XCSE
Genmab A/S	18/06/2024	3:36:56 PM	1,800.0000	9	CEUX
Genmab A/S	18/06/2024	3:41:21 PM	1,801.0000	12	CEUX
Genmab A/S	18/06/2024	3:41:21 PM	1,801.0000	3	AQEU
Genmab A/S	18/06/2024	3:41:29 PM	1,801.0000	7	CEUX
Genmab A/S	18/06/2024	3:41:29 PM	1,801.0000	2	AQEU
Genmab A/S	18/06/2024	3:41:29 PM	1,801.0000	1	XCSE

136

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:42:33 PM	1,805.5000	13	CEUX
Genmab A/S	18/06/2024	3:42:47 PM	1,806.0000	50	XCSE
Genmab A/S	18/06/2024	3:42:47 PM	1,806.0000	8	XCSE
Genmab A/S	18/06/2024	3:42:47 PM	1,806.0000	11	AQEU
Genmab A/S	18/06/2024	3:42:47 PM	1,806.0000	28	XCSE
Genmab A/S	18/06/2024	3:42:47 PM	1,806.0000	33	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	34	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	98	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	26	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	10	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	88	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	26	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	98	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	16	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	10	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	98	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	16	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	23	CEUX
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	23	CEUX
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	23	CEUX
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	5	CEUX
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	21	CEUX
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	4	AQEU
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	16	AQEU
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	4	AQEU
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	4	AQEU
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	26	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	98	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	2	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	84	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	15	XCSE
Genmab A/S	18/06/2024	3:44:26 PM	1,806.0000	1	XCSE
Genmab A/S	18/06/2024	3:44:27 PM	1,805.0000	5	AQEU
Genmab A/S	18/06/2024	3:44:27 PM	1,805.0000	4	AQEU
Genmab A/S	18/06/2024	3:44:27 PM	1,805.0000	36	XCSE
Genmab A/S	18/06/2024	3:44:27 PM	1,805.0000	13	XCSE
Genmab A/S	18/06/2024	3:44:27 PM	1,805.0000	5	AQEU
Genmab A/S	18/06/2024	3:44:27 PM	1,805.0000	5	AQEU
Genmab A/S	18/06/2024	3:44:27 PM	1,805.0000	1	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	36	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	14	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	11	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	11	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	20	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	5	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	24	CEUX
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	9	CEUX
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	28	CEUX
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	5	AQEU

137

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	5	AQEU
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	3	AQEU
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	5	AQEU
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	2	AQEU
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	3	AQEU
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	5	AQEU
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	5	AQEU
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	5	AQEU
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	5	AQEU
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	1	AQEU
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	20	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	41	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	25	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	25	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	6	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	25	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	20	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	5	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	13	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	6	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	6	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	1	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	25	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	25	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	25	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	36	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	2	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	23	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	25	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	6	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	25	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	21	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	10	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	15	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	7	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	18	XCSE
Genmab A/S	18/06/2024	3:46:36 PM	1,804.5000	18	XCSE
Genmab A/S	18/06/2024	3:46:37 PM	1,804.5000	7	XCSE
Genmab A/S	18/06/2024	3:46:37 PM	1,804.5000	189	XCSE
Genmab A/S	18/06/2024	3:46:38 PM	1,804.5000	25	XCSE
Genmab A/S	18/06/2024	3:50:21 PM	1,803.0000	5	AQEU
Genmab A/S	18/06/2024	3:50:21 PM	1,803.0000	3	AQEU
Genmab A/S	18/06/2024	3:50:21 PM	1,803.0000	40	XCSE
Genmab A/S	18/06/2024	3:50:21 PM	1,803.0000	34	XCSE
Genmab A/S	18/06/2024	3:50:21 PM	1,803.0000	13	XCSE
Genmab A/S	18/06/2024	3:50:21 PM	1,803.0000	27	XCSE
Genmab A/S	18/06/2024	3:50:21 PM	1,803.0000	40	XCSE
Genmab A/S	18/06/2024	3:50:21 PM	1,803.0000	6	XCSE
Genmab A/S	18/06/2024	3:50:21 PM	1,803.0000	34	XCSE

138

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:50:22 PM	1,803.0000	6	XCSE
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	40	XCSE
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	30	XCSE
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	4	XCSE
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	5	AQEU
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	5	AQEU
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	5	AQEU
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	5	AQEU
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	5	AQEU
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	5	AQEU
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	5	AQEU
Genmab A/S	18/06/2024	3:50:23 PM	1,803.0000	1	AQEU
Genmab A/S	18/06/2024	3:53:45 PM	1,805.5000	76	XCSE
Genmab A/S	18/06/2024	3:53:55 PM	1,805.5000	17	XCSE
Genmab A/S	18/06/2024	3:54:02 PM	1,805.5000	36	XCSE
Genmab A/S	18/06/2024	3:54:02 PM	1,805.5000	4	XCSE
Genmab A/S	18/06/2024	3:54:05 PM	1,804.5000	3	AQEU
Genmab A/S	18/06/2024	3:54:17 PM	1,805.5000	38	XCSE
Genmab A/S	18/06/2024	3:54:25 PM	1,805.5000	1	XCSE
Genmab A/S	18/06/2024	3:54:25 PM	1,805.5000	10	XCSE
Genmab A/S	18/06/2024	3:54:25 PM	1,805.5000	8	XCSE
Genmab A/S	18/06/2024	3:54:30 PM	1,804.5000	3	AQEU
Genmab A/S	18/06/2024	3:54:30 PM	1,804.5000	23	XCSE
Genmab A/S	18/06/2024	3:54:30 PM	1,804.5000	21	XCSE
Genmab A/S	18/06/2024	3:54:30 PM	1,804.5000	19	XCSE
Genmab A/S	18/06/2024	3:54:30 PM	1,804.5000	13	XCSE
Genmab A/S	18/06/2024	3:54:30 PM	1,804.5000	10	XCSE
Genmab A/S	18/06/2024	3:54:30 PM	1,804.5000	9	XCSE
Genmab A/S	18/06/2024	3:54:31 PM	1,804.5000	23	XCSE
Genmab A/S	18/06/2024	3:55:03 PM	1,804.5000	34	XCSE
Genmab A/S	18/06/2024	3:55:09 PM	1,804.0000	1	XCSE
Genmab A/S	18/06/2024	3:55:16 PM	1,804.5000	37	CEUX
Genmab A/S	18/06/2024	3:55:37 PM	1,806.0000	7	XCSE
Genmab A/S	18/06/2024	3:55:37 PM	1,806.0000	9	XCSE
Genmab A/S	18/06/2024	3:55:37 PM	1,806.0000	10	XCSE
Genmab A/S	18/06/2024	3:55:42 PM	1,807.0000	43	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	37	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	15	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	60	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	22	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	1	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	2	XCSE

139

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	20	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	22	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	22	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	2	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	22	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	22	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	10	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	14	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	22	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	22	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	17	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	7	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	21	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	18	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:25 PM	1,807.0000	3	XCSE
Genmab A/S	18/06/2024	3:56:26 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:26 PM	1,807.0000	25	XCSE
Genmab A/S	18/06/2024	3:56:26 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:26 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:26 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:26 PM	1,807.0000	2	XCSE
Genmab A/S	18/06/2024	3:56:26 PM	1,807.0000	22	XCSE
Genmab A/S	18/06/2024	3:56:26 PM	1,807.0000	5	XCSE
Genmab A/S	18/06/2024	3:56:26 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:26 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:27 PM	1,807.0000	18	XCSE
Genmab A/S	18/06/2024	3:56:27 PM	1,807.0000	6	XCSE
Genmab A/S	18/06/2024	3:56:27 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:56:27 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	6	AQEU
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	3	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	17	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	58	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	58	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	20	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	38	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	78	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	24	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	4	AQEU
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	50	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	28	XCSE
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	10	AQEU
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	10	AQEU

140

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	10	AQEU
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	10	AQEU
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	3	AQEU
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	3	AQEU
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	4	AQEU
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	2	AQEU
Genmab A/S	18/06/2024	3:59:10 PM	1,803.5000	28	XCSE
Genmab A/S	18/06/2024	4:02:40 PM	1,805.0000	43	XCSE
Genmab A/S	18/06/2024	4:02:41 PM	1,805.0000	27	XCSE
Genmab A/S	18/06/2024	4:02:41 PM	1,805.0000	19	XCSE
Genmab A/S	18/06/2024	4:02:43 PM	1,805.0000	11	AQEU
Genmab A/S	18/06/2024	4:02:43 PM	1,805.0000	42	AQEU
Genmab A/S	18/06/2024	4:02:43 PM	1,805.0000	25	XCSE
Genmab A/S	18/06/2024	4:02:43 PM	1,805.0000	84	XCSE
Genmab A/S	18/06/2024	4:02:43 PM	1,805.0000	335	XCSE
Genmab A/S	18/06/2024	4:02:43 PM	1,803.5000	31	XCSE
Genmab A/S	18/06/2024	4:02:43 PM	1,803.5000	18	XCSE
Genmab A/S	18/06/2024	4:02:43 PM	1,803.5000	32	XCSE
Genmab A/S	18/06/2024	4:02:43 PM	1,803.5000	49	XCSE
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	26	XCSE
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	26	XCSE
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	26	XCSE
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	26	XCSE
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	26	XCSE
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	26	XCSE
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	24	XCSE
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	4	AQEU
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	5	AQEU
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	2	XCSE
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	1	XCSE
Genmab A/S	18/06/2024	4:05:04 PM	1,803.0000	4	AQEU
Genmab A/S	18/06/2024	4:05:05 PM	1,803.0000	26	XCSE
Genmab A/S	18/06/2024	4:05:06 PM	1,803.0000	26	XCSE
Genmab A/S	18/06/2024	4:05:07 PM	1,803.0000	26	XCSE
Genmab A/S	18/06/2024	4:05:07 PM	1,803.0000	24	XCSE
Genmab A/S	18/06/2024	4:05:07 PM	1,803.0000	2	XCSE
Genmab A/S	18/06/2024	4:05:07 PM	1,803.0000	26	XCSE
Genmab A/S	18/06/2024	4:05:07 PM	1,803.0000	5	XCSE
Genmab A/S	18/06/2024	4:05:07 PM	1,803.0000	11	XCSE
Genmab A/S	18/06/2024	4:05:07 PM	1,803.0000	4	AQEU
Genmab A/S	18/06/2024	4:05:07 PM	1,803.0000	13	XCSE
Genmab A/S	18/06/2024	4:05:07 PM	1,803.0000	14	XCSE
Genmab A/S	18/06/2024	4:05:11 PM	1,801.5000	5	AQEU
Genmab A/S	18/06/2024	4:05:11 PM	1,801.5000	39	XCSE
Genmab A/S	18/06/2024	4:07:23 PM	1,803.0000	8	XCSE
Genmab A/S	18/06/2024	4:07:23 PM	1,803.0000	31	XCSE
Genmab A/S	18/06/2024	4:07:26 PM	1,803.0000	8	XCSE
Genmab A/S	18/06/2024	4:07:26 PM	1,803.0000	8	XCSE
Genmab A/S	18/06/2024	4:07:31 PM	1,802.5000	29	CEUX

141

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	4:07:31 PM	1,802.5000	5	CEUX
Genmab A/S	18/06/2024	4:07:40 PM	1,802.5000	40	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	5	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	7	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	5	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	5	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	13	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	21	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	33	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	33	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	21	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	20	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	13	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	21	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	2	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	13	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	20	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	21	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	7	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	33	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	21	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	46	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	3	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	3	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	5	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	9	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	7	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	5	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	5	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	2	AQEU
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	30	XCSE
Genmab A/S	18/06/2024	4:07:52 PM	1,802.0000	48	XCSE
Genmab A/S	18/06/2024	4:07:53 PM	1,802.0000	24	XCSE
Genmab A/S	18/06/2024	4:07:53 PM	1,802.0000	5	XCSE
Genmab A/S	18/06/2024	4:07:53 PM	1,802.0000	6	AQEU
Genmab A/S	18/06/2024	4:07:54 PM	1,801.5000	11	XCSE
Genmab A/S	18/06/2024	4:07:54 PM	1,801.5000	12	XCSE
Genmab A/S	18/06/2024	4:07:54 PM	1,801.5000	19	XCSE
Genmab A/S	18/06/2024	4:07:54 PM	1,801.5000	23	XCSE
Genmab A/S	18/06/2024	4:09:00 PM	1,799.5000	45	XCSE
Genmab A/S	18/06/2024	4:09:00 PM	1,799.5000	6	AQEU
Genmab A/S	18/06/2024	4:09:00 PM	1,799.5000	3	XCSE
Genmab A/S	18/06/2024	4:09:00 PM	1,799.5000	4	AQEU
Genmab A/S	18/06/2024	4:09:00 PM	1,799.5000	10	XCSE
Genmab A/S	18/06/2024	4:09:55 PM	1,799.5000	9	AQEU

142

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	4:09:56 PM	1,799.5000	2	AQEU
Genmab A/S	18/06/2024	4:11:01 PM	1,799.5000	69	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.5000	31	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.5000	84	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.5000	62	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.5000	22	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.5000	84	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.5000	9	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.5000	53	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.5000	51	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.5000	42	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.0000	10	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.0000	1	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.0000	39	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.0000	49	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.0000	1	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.0000	6	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.0000	44	XCSE
Genmab A/S	18/06/2024	4:11:01 PM	1,799.0000	6	XCSE
Genmab A/S	18/06/2024	4:13:07 PM	1,800.5000	64	XCSE
Genmab A/S	18/06/2024	4:13:07 PM	1,800.5000	5	XCSE
Genmab A/S	18/06/2024	4:13:07 PM	1,800.5000	54	XCSE
Genmab A/S	18/06/2024	4:13:07 PM	1,800.5000	9	AQEU
Genmab A/S	18/06/2024	4:13:07 PM	1,800.5000	8	AQEU
Genmab A/S	18/06/2024	4:13:07 PM	1,800.5000	5	XCSE
Genmab A/S	18/06/2024	4:13:07 PM	1,800.5000	3	XCSE
Genmab A/S	18/06/2024	4:15:01 PM	1,800.5000	36	CEUX
Genmab A/S	18/06/2024	4:15:01 PM	1,800.0000	22	AQEU
Genmab A/S	18/06/2024	4:15:01 PM	1,800.0000	16	XCSE
Genmab A/S	18/06/2024	4:15:01 PM	1,800.0000	160	XCSE
Genmab A/S	18/06/2024	4:15:01 PM	1,800.0000	143	XCSE
Genmab A/S	18/06/2024	4:15:01 PM	1,800.0000	16	XCSE
Genmab A/S	18/06/2024	4:15:01 PM	1,800.0000	143	XCSE
Genmab A/S	18/06/2024	4:15:01 PM	1,800.0000	36	XCSE
Genmab A/S	18/06/2024	4:15:02 PM	1,799.5000	49	XCSE
Genmab A/S	18/06/2024	4:15:02 PM	1,799.5000	16	XCSE
Genmab A/S	18/06/2024	4:15:02 PM	1,799.5000	20	XCSE
Genmab A/S	18/06/2024	4:15:02 PM	1,799.5000	13	XCSE
Genmab A/S	18/06/2024	4:15:02 PM	1,799.5000	6	XCSE
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	6	AQEU
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	14	XCSE
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	26	XCSE
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	12	XCSE
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	6	AQEU
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	13	XCSE
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	24	XCSE
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	40	XCSE
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	6	AQEU
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	6	AQEU

143

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	15	XCSE
Genmab A/S	18/06/2024	4:16:09 PM	1,799.0000	1	XCSE
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	3	AQEU
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	18	XCSE
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	27	XCSE
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	10	XCSE
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	3	AQEU
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	8	XCSE
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	27	XCSE
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	10	XCSE
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	3	AQEU
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	18	XCSE
Genmab A/S	18/06/2024	4:18:59 PM	1,799.5000	27	XCSE
Genmab A/S	18/06/2024	4:19:03 PM	1,799.5000	18	XCSE
Genmab A/S	18/06/2024	4:19:05 PM	1,799.5000	18	XCSE
Genmab A/S	18/06/2024	4:19:05 PM	1,799.5000	3	AQEU
Genmab A/S	18/06/2024	4:19:05 PM	1,799.5000	16	XCSE
Genmab A/S	18/06/2024	4:19:06 PM	1,799.5000	2	XCSE
Genmab A/S	18/06/2024	4:21:57 PM	1,802.0000	27	CEUX
Genmab A/S	18/06/2024	4:22:09 PM	1,802.0000	2	CEUX
Genmab A/S	18/06/2024	4:22:09 PM	1,802.0000	23	AQEU
Genmab A/S	18/06/2024	4:22:09 PM	1,802.0000	23	AQEU
Genmab A/S	18/06/2024	4:23:15 PM	1,802.5000	13	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.5000	110	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.5000	27	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.5000	27	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.5000	50	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.5000	73	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.5000	137	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.5000	10	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.5000	3	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.5000	10	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.5000	36	XCSE
Genmab A/S	18/06/2024	4:23:21 PM	1,802.0000	23	XCSE
Genmab A/S	18/06/2024	4:23:22 PM	1,802.0000	22	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	124	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	8	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	10	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	100	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	14	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	14	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	24	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	27	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	15	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	44	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	70	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	22	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,802.0000	12	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,801.5000	3	AQEU

144

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	4:24:09 PM	1,801.5000	22	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,801.5000	52	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,801.5000	3	AQEU
Genmab A/S	18/06/2024	4:24:09 PM	1,801.5000	3	AQEU
Genmab A/S	18/06/2024	4:24:09 PM	1,801.5000	22	XCSE
Genmab A/S	18/06/2024	4:24:09 PM	1,801.5000	25	XCSE
Genmab A/S	18/06/2024	4:24:11 PM	1,801.5000	27	XCSE
Genmab A/S	18/06/2024	4:24:11 PM	1,801.5000	22	XCSE
Genmab A/S	18/06/2024	4:24:11 PM	1,801.5000	3	AQEU
Genmab A/S	18/06/2024	4:26:55 PM	1,801.0000	181	XCSE
Genmab A/S	18/06/2024	4:26:55 PM	1,801.0000	93	XCSE
Genmab A/S	18/06/2024	4:26:55 PM	1,801.0000	23	AQEU
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	65	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	28	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	28	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	65	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	50	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	43	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	88	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	3	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	2	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	3	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	20	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	51	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	22	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	22	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,801.0000	15	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,800.5000	46	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,800.5000	46	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,800.5000	40	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,800.5000	6	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,800.5000	85	XCSE
Genmab A/S	18/06/2024	4:26:56 PM	1,800.5000	3	XCSE
Genmab A/S	18/06/2024	4:27:00 PM	1,800.5000	24	XCSE
Genmab A/S	18/06/2024	4:27:00 PM	1,800.5000	19	XCSE
Genmab A/S	18/06/2024	4:27:00 PM	1,800.5000	4	XCSE
Genmab A/S	18/06/2024	4:30:06 PM	1,800.5000	26	XCSE
Genmab A/S	18/06/2024	4:30:06 PM	1,800.5000	100	XCSE
Genmab A/S	18/06/2024	4:30:06 PM	1,800.5000	44	XCSE
Genmab A/S	18/06/2024	4:30:06 PM	1,800.5000	17	XCSE
Genmab A/S	18/06/2024	4:30:06 PM	1,800.5000	141	XCSE
Genmab A/S	18/06/2024	4:30:06 PM	1,800.5000	12	XCSE
Genmab A/S	18/06/2024	4:30:06 PM	1,800.5000	46	XCSE
Genmab A/S	18/06/2024	4:31:08 PM	1,799.5000	44	XCSE
Genmab A/S	18/06/2024	4:31:08 PM	1,799.5000	45	XCSE
Genmab A/S	18/06/2024	4:31:08 PM	1,799.5000	28	XCSE
Genmab A/S	18/06/2024	4:31:08 PM	1,799.5000	44	XCSE
Genmab A/S	18/06/2024	4:31:08 PM	1,799.5000	45	XCSE
Genmab A/S	18/06/2024	4:35:40 PM	1,805.0000	148	XCSE

145

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	4:35:40 PM	1,805.0000	18	XCSE
Genmab A/S	18/06/2024	4:35:40 PM	1,805.0000	130	XCSE
Genmab A/S	18/06/2024	4:35:40 PM	1,805.0000	307	XCSE
Genmab A/S	18/06/2024	4:35:40 PM	1,805.0000	57	XCSE
Genmab A/S	18/06/2024	4:35:40 PM	1,805.0000	49	XCSE
Genmab A/S	18/06/2024	4:37:33 PM	1,803.5000	39	XCSE
Genmab A/S	18/06/2024	4:37:33 PM	1,803.5000	13	XCSE
Genmab A/S	18/06/2024	4:37:33 PM	1,803.5000	52	XCSE
Genmab A/S	18/06/2024	4:37:33 PM	1,803.5000	114	XCSE
Genmab A/S	18/06/2024	4:37:33 PM	1,803.5000	10	XCSE
Genmab A/S	18/06/2024	4:37:33 PM	1,803.5000	34	XCSE
Genmab A/S	18/06/2024	4:37:33 PM	1,803.5000	8	XCSE
Genmab A/S	18/06/2024	4:37:33 PM	1,803.5000	10	XCSE
Genmab A/S	18/06/2024	4:37:33 PM	1,803.5000	29	XCSE
Genmab A/S	18/06/2024	4:37:34 PM	1,803.5000	23	XCSE
Genmab A/S	18/06/2024	4:37:34 PM	1,803.5000	20	XCSE
Genmab A/S	18/06/2024	4:37:34 PM	1,803.5000	18	XCSE
Genmab A/S	18/06/2024	4:37:34 PM	1,803.5000	31	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	18	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	6	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	30	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	11	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	68	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	2	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	24	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	111	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	5	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	5	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	14	XCSE
Genmab A/S	18/06/2024	4:42:09 PM	1,806.5000	111	XCSE
Genmab A/S	18/06/2024	4:42:22 PM	1,806.5000	40	XCSE
Genmab A/S	18/06/2024	4:42:27 PM	1,806.5000	38	XCSE
Genmab A/S	18/06/2024	4:42:43 PM	1,806.5000	35	XCSE
Genmab A/S	18/06/2024	4:42:50 PM	1,806.5000	37	XCSE
Genmab A/S	18/06/2024	4:42:55 PM	1,806.5000	15	XCSE
Genmab A/S	18/06/2024	4:43:07 PM	1,807.0000	13	XCSE
Genmab A/S	18/06/2024	4:43:52 PM	1,807.0000	45	XCSE
Genmab A/S	18/06/2024	4:43:52 PM	1,807.0000	6	AQEU
Genmab A/S	18/06/2024	4:43:59 PM	1,807.0000	45	XCSE
Genmab A/S	18/06/2024	4:43:59 PM	1,807.0000	45	XCSE
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	6	AQEU
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	16	AQEU
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	21	XCSE
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	29	XCSE
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	43	XCSE
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	26	XCSE
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	22	XCSE
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	59	XCSE
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	45	XCSE

146

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	179	XCSE
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	21	XCSE
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	1	XCSE
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	2	AQEU
Genmab A/S	18/06/2024	4:45:14 PM	1,807.0000	18	XCSE
Genmab A/S	18/06/2024	4:45:15 PM	1,807.0000	13	AQEU
Genmab A/S	18/06/2024	4:45:15 PM	1,807.0000	39	XCSE
Genmab A/S	18/06/2024	4:45:15 PM	1,807.0000	30	XCSE
Genmab A/S	18/06/2024	4:45:15 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	4:45:15 PM	1,807.0000	11	XCSE
Genmab A/S	18/06/2024	4:45:16 PM	1,806.5000	169	XCSE
Genmab A/S	18/06/2024	4:45:32 PM	1,806.0000	15	XCSE
Genmab A/S	18/06/2024	4:45:47 PM	1,807.0000	13	AQEU
Genmab A/S	18/06/2024	4:45:47 PM	1,807.0000	2	AQEU
Genmab A/S	18/06/2024	4:45:55 PM	1,807.0000	14	XCSE
Genmab A/S	18/06/2024	4:45:55 PM	1,807.0000	8	XCSE
Genmab A/S	18/06/2024	4:45:55 PM	1,807.0000	8	XCSE
Genmab A/S	18/06/2024	4:45:55 PM	1,807.0000	39	XCSE
Genmab A/S	18/06/2024	4:45:55 PM	1,807.0000	24	XCSE
Genmab A/S	18/06/2024	4:46:32 PM	1,806.5000	70	XCSE
Genmab A/S	18/06/2024	4:46:32 PM	1,806.5000	9	XCSE
Genmab A/S	18/06/2024	4:46:32 PM	1,806.5000	50	XCSE
Genmab A/S	18/06/2024	4:46:32 PM	1,806.5000	23	XCSE
Genmab A/S	18/06/2024	4:46:32 PM	1,806.5000	129	XCSE
Genmab A/S	18/06/2024	4:47:07 PM	1,806.0000	30	XCSE
Genmab A/S	18/06/2024	4:47:08 PM	1,806.0000	4	AQEU
Genmab A/S	18/06/2024	4:47:08 PM	1,806.0000	19	XCSE
Genmab A/S	18/06/2024	4:47:12 PM	1,806.0000	35	XCSE
Genmab A/S	18/06/2024	4:47:12 PM	1,806.0000	9	XCSE
Genmab A/S	18/06/2024	4:47:12 PM	1,806.0000	14	XCSE
Genmab A/S	18/06/2024	4:47:17 PM	1,806.0000	5	AQEU
Genmab A/S	18/06/2024	4:47:17 PM	1,806.0000	13	AQEU
Genmab A/S	18/06/2024	4:47:17 PM	1,806.0000	18	XCSE
Genmab A/S	18/06/2024	4:47:22 PM	1,806.0000	5	AQEU
Genmab A/S	18/06/2024	4:47:22 PM	1,806.0000	5	AQEU
Genmab A/S	18/06/2024	4:47:22 PM	1,806.0000	11	XCSE
Genmab A/S	18/06/2024	4:47:27 PM	1,806.0000	2	AQEU
Genmab A/S	18/06/2024	4:47:27 PM	1,806.0000	2	XCSE
Genmab A/S	18/06/2024	4:47:32 PM	1,807.0000	1	XCSE
Genmab A/S	18/06/2024	4:47:38 PM	1,807.0000	1	XCSE
Genmab A/S	18/06/2024	4:47:40 PM	1,807.0000	30	XCSE
Genmab A/S	18/06/2024	4:47:43 PM	1,807.0000	1	XCSE
Genmab A/S	18/06/2024	4:47:53 PM	1,807.5000	10	AQEU
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	21	XCSE
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	16	XCSE
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	15	XCSE
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	21	XCSE
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	19	XCSE
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	33	XCSE

147

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	17	XCSE
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	52	XCSE
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	5	XCSE
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	8	XCSE
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	39	XCSE
Genmab A/S	18/06/2024	4:48:49 PM	1,808.5000	52	XCSE
Genmab A/S	18/06/2024	4:48:50 PM	1,808.5000	40	XCSE
Genmab A/S	18/06/2024	4:48:50 PM	1,808.5000	12	XCSE
Genmab A/S	18/06/2024	4:48:50 PM	1,808.5000	12	XCSE
Genmab A/S	18/06/2024	4:48:50 PM	1,808.5000	40	XCSE
Genmab A/S	18/06/2024	4:49:28 PM	1,808.5000	39	XCSE
Genmab A/S	18/06/2024	4:49:38 PM	1,808.5000	17	XCSE
Genmab A/S	18/06/2024	4:49:41 PM	1,808.5000	18	XCSE
Genmab A/S	18/06/2024	4:49:42 PM	1,808.5000	12	XCSE
Genmab A/S	18/06/2024	4:49:44 PM	1,808.5000	12	XCSE
Genmab A/S	18/06/2024	4:49:46 PM	1,808.5000	14	XCSE
Genmab A/S	18/06/2024	4:49:48 PM	1,808.5000	8	XCSE
Genmab A/S	18/06/2024	4:49:51 PM	1,808.5000	9	XCSE
Genmab A/S	18/06/2024	4:49:51 PM	1,808.5000	9	XCSE
Genmab A/S	18/06/2024	4:49:51 PM	1,808.5000	34	XCSE
Genmab A/S	18/06/2024	4:49:56 PM	1,808.5000	5	XCSE
Genmab A/S	18/06/2024	4:50:01 PM	1,808.5000	1	XCSE
Genmab A/S	18/06/2024	4:50:06 PM	1,808.5000	1	XCSE
Genmab A/S	18/06/2024	4:50:08 PM	1,808.5000	41	XCSE
Genmab A/S	18/06/2024	4:50:12 PM	1,808.5000	1	XCSE
Genmab A/S	18/06/2024	4:50:20 PM	1,808.5000	1	XCSE
Genmab A/S	18/06/2024	4:50:20 PM	1,808.5000	3	XCSE
Genmab A/S	18/06/2024	4:50:20 PM	1,808.5000	205	XCSE
Genmab A/S	18/06/2024	4:50:20 PM	1,808.5000	69	XCSE
Genmab A/S	18/06/2024	4:50:20 PM	1,808.5000	27	XCSE
Genmab A/S	18/06/2024	4:50:31 PM	1,808.0000	24	XCSE
Genmab A/S	18/06/2024	4:51:50 PM	1,808.5000	31	XCSE
Genmab A/S	18/06/2024	4:51:50 PM	1,808.5000	23	XCSE
Genmab A/S	18/06/2024	4:51:52 PM	1,808.5000	32	XCSE
Genmab A/S	18/06/2024	4:52:52 PM	1,811.0000	51	XCSE
Genmab A/S	18/06/2024	4:52:52 PM	1,811.0000	51	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	42	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	42	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	20	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	83	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	42	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	79	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	14	XCSE

148

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	62	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:04 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:05 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:05 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:05 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:05 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:06 PM	1,811.5000	18	XCSE
Genmab A/S	18/06/2024	4:53:06 PM	1,811.5000	18	XCSE
Genmab A/S	18/06/2024	4:53:06 PM	1,811.5000	108	XCSE
Genmab A/S	18/06/2024	4:53:08 PM	1,811.5000	106	XCSE
Genmab A/S	18/06/2024	4:53:08 PM	1,811.5000	2	XCSE
Genmab A/S	18/06/2024	4:53:08 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:08 PM	1,811.5000	23	XCSE
Genmab A/S	18/06/2024	4:53:08 PM	1,811.5000	13	XCSE
Genmab A/S	18/06/2024	4:53:09 PM	1,811.5000	25	XCSE
Genmab A/S	18/06/2024	4:53:09 PM	1,811.5000	47	XCSE
Genmab A/S	18/06/2024	4:53:09 PM	1,811.5000	21	XCSE
Genmab A/S	18/06/2024	4:53:09 PM	1,811.5000	64	XCSE
Genmab A/S	18/06/2024	4:53:10 PM	1,811.5000	44	XCSE
Genmab A/S	18/06/2024	4:53:11 PM	1,811.5000	108	XCSE
Genmab A/S	18/06/2024	4:53:11 PM	1,811.5000	17	XCSE
Genmab A/S	18/06/2024	4:53:11 PM	1,811.5000	30	XCSE
Genmab A/S	18/06/2024	4:53:11 PM	1,811.5000	61	XCSE
Genmab A/S	18/06/2024	4:53:15 PM	1,811.5000	108	XCSE
Genmab A/S	18/06/2024	4:53:15 PM	1,811.5000	12	XCSE
Genmab A/S	18/06/2024	4:53:15 PM	1,811.0000	219	XCSE
Genmab A/S	18/06/2024	4:54:04 PM	1,811.5000	25	XCSE
Genmab A/S	18/06/2024	4:54:05 PM	1,811.5000	34	XCSE
Genmab A/S	18/06/2024	4:54:07 PM	1,811.5000	8	XCSE
Genmab A/S	18/06/2024	4:54:07 PM	1,811.5000	6	AQEU
Genmab A/S	18/06/2024	4:54:19 PM	1,812.0000	21	XCSE
Genmab A/S	18/06/2024	4:54:19 PM	1,812.0000	27	AQEU
Genmab A/S	18/06/2024	4:54:19 PM	1,812.0000	7	AQEU
Genmab A/S	18/06/2024	4:54:19 PM	1,812.0000	9	AQEU
Genmab A/S	18/06/2024	4:54:19 PM	1,812.0000	18	AQEU
Genmab A/S	18/06/2024	4:54:19 PM	1,812.0000	27	AQEU
Genmab A/S	18/06/2024	4:54:19 PM	1,812.0000	21	XCSE
Genmab A/S	18/06/2024	4:54:25 PM	1,812.0000	21	XCSE
Genmab A/S	18/06/2024	4:54:41 PM	1,813.0000	14	XCSE
Genmab A/S	18/06/2024	4:54:44 PM	1,813.0000	7	XCSE
Genmab A/S	18/06/2024	4:54:45 PM	1,813.0000	25	XCSE
Genmab A/S	18/06/2024	4:54:46 PM	1,813.0000	24	XCSE

149

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	18/06/2024	4:54:46 PM	1,813.0000	24	XCSE
Genmab A/S	18/06/2024	4:54:46 PM	1,813.0000	21	XCSE
Genmab A/S	18/06/2024	4:54:49 PM	1,813.0000	29	XCSE
Genmab A/S	18/06/2024	4:54:49 PM	1,813.0000	24	XCSE
Genmab A/S	18/06/2024	4:54:49 PM	1,813.0000	20	XCSE
Genmab A/S	18/06/2024	4:54:49 PM	1,813.0000	53	XCSE
Genmab A/S	18/06/2024	4:54:50 PM	1,813.0000	29	XCSE
Genmab A/S	18/06/2024	4:54:50 PM	1,813.0000	1	XCSE
Genmab A/S	19/06/2024	9:15:27 AM	1,789.5000	9	CEUX
Genmab A/S	19/06/2024	9:15:30 AM	1,789.5000	40	CEUX
Genmab A/S	19/06/2024	9:15:32 AM	1,789.0000	36	CEUX
Genmab A/S	19/06/2024	9:15:32 AM	1,789.0000	1	CEUX
Genmab A/S	19/06/2024	9:15:32 AM	1,789.0000	5	TQEX
Genmab A/S	19/06/2024	9:15:32 AM	1,789.0000	41	XCSE
Genmab A/S	19/06/2024	9:15:32 AM	1,789.0000	41	XCSE
Genmab A/S	19/06/2024	9:15:32 AM	1,789.0000	41	XCSE
Genmab A/S	19/06/2024	9:15:32 AM	1,789.0000	41	XCSE
Genmab A/S	19/06/2024	9:15:41 AM	1,788.5000	3	XCSE
Genmab A/S	19/06/2024	9:15:48 AM	1,788.5000	3	XCSE
Genmab A/S	19/06/2024	9:15:49 AM	1,788.5000	20	CEUX
Genmab A/S	19/06/2024	9:16:42 AM	1,790.0000	6	AQEU
Genmab A/S	19/06/2024	9:16:42 AM	1,790.0000	7	TQEX
Genmab A/S	19/06/2024	9:16:42 AM	1,790.0000	26	XCSE
Genmab A/S	19/06/2024	9:16:54 AM	1,790.0000	1	XCSE
Genmab A/S	19/06/2024	9:16:54 AM	1,790.0000	36	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,793.0000	3	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,793.0000	16	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,793.0000	35	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,793.0000	13	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,793.0000	12	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,793.0000	14	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,792.0000	12	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,792.0000	12	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,792.0000	12	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,792.0000	12	XCSE
Genmab A/S	19/06/2024	9:17:24 AM	1,792.0000	12	XCSE
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	37	XCSE
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	35	CEUX
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	35	CEUX
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	35	CEUX
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	4	CEUX
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	24	CEUX
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	7	CEUX
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	35	CEUX
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	37	XCSE
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	20	XCSE
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	16	XCSE
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	21	XCSE
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	37	XCSE

150

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	37	XCSE
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	3	XCSE
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	9	CEUX
Genmab A/S	19/06/2024	9:17:47 AM	1,792.0000	4	CEUX
Genmab A/S	19/06/2024	9:18:03 AM	1,790.5000	18	XCSE
Genmab A/S	19/06/2024	9:18:48 AM	1,791.5000	12	XCSE
Genmab A/S	19/06/2024	9:18:48 AM	1,791.5000	94	XCSE
Genmab A/S	19/06/2024	9:18:48 AM	1,791.5000	12	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,791.0000	24	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,791.0000	63	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	7	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	7	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	8	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	8	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	8	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	8	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	8	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	2	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	8	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	8	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	1	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	7	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	2	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	7	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	7	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	7	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	19	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	18	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	19	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	18	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	19	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	18	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	7	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	7	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	7	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	6	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.5000	36	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	4	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	14	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	18	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	16	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	2	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	2	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	6	XCSE

151

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	13	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	2	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	2	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	18	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	18	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	7	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	18	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	2	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	2	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	2	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	2	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	2	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	1	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	8	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	1	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	3	AQEU
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	1	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,789.5000	2	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,789.5000	3	TQEX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	35	CEUX
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	21	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	5	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	11	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,790.0000	15	XCSE
Genmab A/S	19/06/2024	9:19:36 AM	1,789.5000	17	XCSE
Genmab A/S	19/06/2024	9:20:17 AM	1,785.5000	8	CEUX
Genmab A/S	19/06/2024	9:20:17 AM	1,785.5000	18	XCSE
Genmab A/S	19/06/2024	9:20:17 AM	1,785.5000	10	CEUX
Genmab A/S	19/06/2024	9:20:17 AM	1,785.5000	9	CEUX
Genmab A/S	19/06/2024	9:20:17 AM	1,785.5000	18	CEUX
Genmab A/S	19/06/2024	9:20:17 AM	1,785.5000	5	TQEX
Genmab A/S	19/06/2024	9:21:04 AM	1,782.0000	6	CEUX
Genmab A/S	19/06/2024	9:21:04 AM	1,782.0000	35	XCSE

152

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:21:04 AM	1,782.0000	14	XCSE
Genmab A/S	19/06/2024	9:21:04 AM	1,782.0000	18	XCSE
Genmab A/S	19/06/2024	9:21:04 AM	1,782.0000	10	XCSE
Genmab A/S	19/06/2024	9:24:05 AM	1,781.0000	92	CEUX
Genmab A/S	19/06/2024	9:24:05 AM	1,781.0000	13	AQEU
Genmab A/S	19/06/2024	9:24:05 AM	1,781.0000	14	TQEX
Genmab A/S	19/06/2024	9:24:05 AM	1,781.0000	84	XCSE
Genmab A/S	19/06/2024	9:24:05 AM	1,781.0000	18	XCSE
Genmab A/S	19/06/2024	9:25:05 AM	1,777.0000	43	CEUX
Genmab A/S	19/06/2024	9:25:05 AM	1,777.0000	23	CEUX
Genmab A/S	19/06/2024	9:25:05 AM	1,777.0000	6	AQEU
Genmab A/S	19/06/2024	9:25:05 AM	1,777.0000	7	TQEX
Genmab A/S	19/06/2024	9:25:05 AM	1,777.0000	7	TQEX
Genmab A/S	19/06/2024	9:25:05 AM	1,777.0000	9	AQEU
Genmab A/S	19/06/2024	9:25:05 AM	1,777.0000	47	XCSE
Genmab A/S	19/06/2024	9:25:05 AM	1,777.0000	24	XCSE
Genmab A/S	19/06/2024	9:25:06 AM	1,777.0000	37	XCSE
Genmab A/S	19/06/2024	9:25:06 AM	1,777.0000	26	XCSE
Genmab A/S	19/06/2024	9:26:18 AM	1,776.0000	21	XCSE
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	32	CEUX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	32	CEUX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	32	CEUX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	32	CEUX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	32	CEUX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	25	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	11	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	4	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	4	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	11	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	4	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	11	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	4	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	6	TQEX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	6	TQEX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	3	TQEX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	3	TQEX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	3	TQEX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	6	TQEX
Genmab A/S	19/06/2024	9:27:47 AM	1,777.5000	8	XCSE
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	32	CEUX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	4	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	11	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	9	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	4	AQEU
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	6	TQEX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	32	CEUX
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	5	TQEX
Genmab A/S	19/06/2024	9:27:47 AM	1,777.5000	8	XCSE
Genmab A/S	19/06/2024	9:27:47 AM	1,778.0000	8	CEUX

153

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:28:04 AM	1,777.0000	67	XCSE
Genmab A/S	19/06/2024	9:28:04 AM	1,777.0000	60	CEUX
Genmab A/S	19/06/2024	9:28:04 AM	1,777.0000	9	TQEX
Genmab A/S	19/06/2024	9:28:04 AM	1,776.5000	5	TQEX
Genmab A/S	19/06/2024	9:28:04 AM	1,776.5000	5	TQEX
Genmab A/S	19/06/2024	9:28:04 AM	1,776.5000	19	XCSE
Genmab A/S	19/06/2024	9:28:04 AM	1,776.5000	17	XCSE
Genmab A/S	19/06/2024	9:28:04 AM	1,776.5000	19	XCSE
Genmab A/S	19/06/2024	9:28:04 AM	1,776.5000	11	XCSE
Genmab A/S	19/06/2024	9:28:04 AM	1,777.0000	2	AQEU
Genmab A/S	19/06/2024	9:29:13 AM	1,779.5000	24	CEUX
Genmab A/S	19/06/2024	9:29:13 AM	1,779.5000	31	CEUX
Genmab A/S	19/06/2024	9:29:13 AM	1,779.5000	9	TQEX
Genmab A/S	19/06/2024	9:29:50 AM	1,779.5000	52	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,779.5000	25	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,779.5000	27	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,779.5000	27	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,779.5000	13	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	23	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	23	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	13	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	3	AQEU
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	21	CEUX
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	21	CEUX
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	12	CEUX
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	3	AQEU
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	36	CEUX
Genmab A/S	19/06/2024	9:29:50 AM	1,778.0000	18	CEUX
Genmab A/S	19/06/2024	9:29:50 AM	1,778.0000	20	CEUX
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	12	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	9	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	3	XCSE
Genmab A/S	19/06/2024	9:29:50 AM	1,778.5000	11	XCSE
Genmab A/S	19/06/2024	9:29:52 AM	1,778.0000	5	TQEX
Genmab A/S	19/06/2024	9:29:52 AM	1,778.0000	3	TQEX
Genmab A/S	19/06/2024	9:29:53 AM	1,777.5000	5	TQEX
Genmab A/S	19/06/2024	9:29:53 AM	1,777.5000	2	TQEX
Genmab A/S	19/06/2024	9:29:53 AM	1,777.5000	3	TQEX
Genmab A/S	19/06/2024	9:29:53 AM	1,777.5000	21	CEUX
Genmab A/S	19/06/2024	9:29:53 AM	1,777.5000	17	CEUX
Genmab A/S	19/06/2024	9:29:53 AM	1,777.5000	5	TQEX
Genmab A/S	19/06/2024	9:29:53 AM	1,777.5000	23	XCSE
Genmab A/S	19/06/2024	9:29:53 AM	1,777.5000	6	XCSE
Genmab A/S	19/06/2024	9:29:53 AM	1,777.5000	12	XCSE
Genmab A/S	19/06/2024	9:31:54 AM	1,775.5000	41	XCSE
Genmab A/S	19/06/2024	9:31:54 AM	1,775.5000	19	XCSE

154

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:31:54 AM	1,775.5000	19	XCSE
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	10	XCSE
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	38	XCSE
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	1	AQEU
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	10	CEUX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	10	CEUX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	10	CEUX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	7	CEUX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	10	CEUX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	10	CEUX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	7	CEUX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	10	CEUX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	4	CEUX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	1	AQEU
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	1	AQEU
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	3	AQEU
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	9	TQEX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	10	XCSE
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	27	XCSE
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	9	AQEU
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	9	TQEX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	10	TQEX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	3	AQEU
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	6	TQEX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	6	TQEX
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	6	XCSE
Genmab A/S	19/06/2024	9:32:38 AM	1,775.0000	12	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	91	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	23	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	9	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	18	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	9	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	27	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	20	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	103	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	2	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	7	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	9	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	9	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	9	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	9	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	9	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	9	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	9	CEUX

155

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	5	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	15	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	1	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	1	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	13	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	1	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	15	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	1	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	16	TQEX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	16	TQEX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	16	TQEX
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	19	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	19	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	19	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	19	CEUX
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	19	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	5	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	19	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	1	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	7	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,774.5000	12	XCSE
Genmab A/S	19/06/2024	9:34:35 AM	1,775.0000	9	XCSE
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	19	XCSE
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	1	CEUX
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	1	XCSE
Genmab A/S	19/06/2024	9:34:36 AM	1,774.5000	34	CEUX
Genmab A/S	19/06/2024	9:37:31 AM	1,776.0000	8	XCSE

156

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:37:31 AM	1,776.0000	8	CEUX
Genmab A/S	19/06/2024	9:37:31 AM	1,776.0000	8	CEUX
Genmab A/S	19/06/2024	9:37:31 AM	1,776.0000	5	TQEX
Genmab A/S	19/06/2024	9:37:44 AM	1,776.0000	8	XCSE
Genmab A/S	19/06/2024	9:37:48 AM	1,776.0000	8	XCSE
Genmab A/S	19/06/2024	9:37:48 AM	1,776.0000	8	XCSE
Genmab A/S	19/06/2024	9:37:48 AM	1,776.0000	8	XCSE
Genmab A/S	19/06/2024	9:38:07 AM	1,776.0000	8	XCSE
Genmab A/S	19/06/2024	9:38:07 AM	1,776.0000	42	XCSE
Genmab A/S	19/06/2024	9:38:07 AM	1,776.0000	64	XCSE
Genmab A/S	19/06/2024	9:38:07 AM	1,776.0000	8	XCSE
Genmab A/S	19/06/2024	9:38:07 AM	1,776.0000	8	XCSE
Genmab A/S	19/06/2024	9:38:07 AM	1,776.0000	3	XCSE
Genmab A/S	19/06/2024	9:38:27 AM	1,777.0000	26	XCSE
Genmab A/S	19/06/2024	9:38:27 AM	1,777.0000	26	XCSE
Genmab A/S	19/06/2024	9:38:27 AM	1,777.0000	25	XCSE
Genmab A/S	19/06/2024	9:38:28 AM	1,777.0000	26	XCSE
Genmab A/S	19/06/2024	9:38:28 AM	1,777.0000	26	XCSE
Genmab A/S	19/06/2024	9:38:28 AM	1,777.0000	2	AQEU
Genmab A/S	19/06/2024	9:38:28 AM	1,777.0000	5	TQEX
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	12	CEUX
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	8	CEUX
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	8	CEUX
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	12	CEUX
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	3	AQEU
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	3	AQEU
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	3	AQEU
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	3	AQEU
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	3	AQEU
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	5	TQEX
Genmab A/S	19/06/2024	9:38:28 AM	1,776.0000	22	XCSE
Genmab A/S	19/06/2024	9:39:21 AM	1,775.5000	17	CEUX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.5000	48	CEUX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.5000	10	AQEU
Genmab A/S	19/06/2024	9:39:21 AM	1,775.5000	10	TQEX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.5000	72	XCSE
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	21	CEUX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	21	CEUX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	21	XCSE
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	21	CEUX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	21	XCSE
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	3	XCSE

157

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	18	XCSE
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	21	CEUX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	1	TQEX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	7	XCSE
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	7	XCSE
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	7	XCSE
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	36	CEUX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	6	CEUX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	9	AQEU
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	9	TQEX
Genmab A/S	19/06/2024	9:39:21 AM	1,775.0000	4	XCSE
Genmab A/S	19/06/2024	9:40:45 AM	1,776.5000	5	XCSE
Genmab A/S	19/06/2024	9:42:37 AM	1,778.5000	5	XCSE
Genmab A/S	19/06/2024	9:42:37 AM	1,778.5000	6	XCSE
Genmab A/S	19/06/2024	9:42:37 AM	1,778.5000	4	XCSE
Genmab A/S	19/06/2024	9:42:37 AM	1,778.5000	9	XCSE
Genmab A/S	19/06/2024	9:42:37 AM	1,778.5000	16	XCSE
Genmab A/S	19/06/2024	9:42:52 AM	1,778.5000	1	AQEU
Genmab A/S	19/06/2024	9:42:52 AM	1,778.5000	37	XCSE
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	35	XCSE
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	35	XCSE
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	3	XCSE
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	5	XCSE
Genmab A/S	19/06/2024	9:43:10 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	9:43:51 AM	1,778.5000	20	CEUX
Genmab A/S	19/06/2024	9:43:51 AM	1,778.5000	12	CEUX
Genmab A/S	19/06/2024	9:43:51 AM	1,778.5000	7	TQEX
Genmab A/S	19/06/2024	9:43:56 AM	1,778.0000	2	AQEU
Genmab A/S	19/06/2024	9:44:06 AM	1,778.5000	15	TQEX
Genmab A/S	19/06/2024	9:44:54 AM	1,779.0000	10	XCSE
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	22	XCSE
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	88	XCSE
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	69	XCSE
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	11	XCSE
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	22	XCSE
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	11	XCSE
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	29	XCSE
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	43	XCSE
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	21	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	47	CEUX

158

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	94	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	11	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	21	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	11	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	21	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	9	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	11	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	2	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	11	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	11	CEUX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	11	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	10	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	11	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	22	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	11	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	6	TQEX
Genmab A/S	19/06/2024	9:45:23 AM	1,779.5000	6	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,778.0000	50	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,778.0000	40	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,778.0000	36	CEUX
Genmab A/S	19/06/2024	9:46:06 AM	1,778.0000	50	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,778.0000	2	CEUX
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	50	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	2	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	43	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	30	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	45	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	7	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	43	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	36	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	9	XCSE
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	36	CEUX
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	9	AQEU
Genmab A/S	19/06/2024	9:46:06 AM	1,777.5000	28	CEUX
Genmab A/S	19/06/2024	9:50:49 AM	1,775.5000	24	XCSE
Genmab A/S	19/06/2024	9:50:49 AM	1,775.5000	24	XCSE
Genmab A/S	19/06/2024	9:50:49 AM	1,775.5000	132	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,775.0000	47	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,775.0000	49	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,775.0000	47	XCSE

159

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:50:50 AM	1,775.0000	3	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,775.0000	46	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,775.0000	78	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,775.0000	21	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,775.0000	46	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	41	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	9	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	34	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	34	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	7	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	43	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,775.0000	1	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	41	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	9	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	34	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	34	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	7	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	18	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	14	XCSE
Genmab A/S	19/06/2024	9:50:50 AM	1,774.5000	9	XCSE
Genmab A/S	19/06/2024	9:56:22 AM	1,777.0000	13	CEUX
Genmab A/S	19/06/2024	9:56:22 AM	1,777.0000	13	CEUX
Genmab A/S	19/06/2024	9:56:22 AM	1,777.0000	1	AQEU
Genmab A/S	19/06/2024	9:56:22 AM	1,777.0000	5	TQEX
Genmab A/S	19/06/2024	9:56:22 AM	1,777.0000	10	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	23	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	21	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	21	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	21	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	21	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	21	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	3	AQEU
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	21	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	21	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	23	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	27	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	23	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	23	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	30	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	23	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	21	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	21	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	3	AQEU
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	23	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	23	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	14	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	21	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	3	AQEU
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	3	AQEU

160

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	9:57:08 AM	1,779.0000	19	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	9	AQEU
Genmab A/S	19/06/2024	9:57:08 AM	1,780.0000	9	AQEU
Genmab A/S	19/06/2024	9:57:08 AM	1,779.0000	20	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,779.0000	13	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,779.0000	7	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,779.0000	7	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,779.5000	14	XCSE
Genmab A/S	19/06/2024	9:57:08 AM	1,779.0000	19	CEUX
Genmab A/S	19/06/2024	9:57:08 AM	1,779.0000	5	TQEX
Genmab A/S	19/06/2024	9:57:08 AM	1,779.0000	26	TQEX
Genmab A/S	19/06/2024	9:57:09 AM	1,779.0000	15	CEUX
Genmab A/S	19/06/2024	9:57:09 AM	1,779.0000	2	AQEU
Genmab A/S	19/06/2024	9:57:09 AM	1,779.0000	2	AQEU
Genmab A/S	19/06/2024	9:57:09 AM	1,779.0000	5	TQEX
Genmab A/S	19/06/2024	9:57:09 AM	1,779.0000	36	CEUX
Genmab A/S	19/06/2024	9:57:09 AM	1,779.0000	2	AQEU
Genmab A/S	19/06/2024	9:57:09 AM	1,779.0000	2	AQEU
Genmab A/S	19/06/2024	9:57:09 AM	1,779.0000	5	TQEX
Genmab A/S	19/06/2024	9:57:09 AM	1,779.0000	10	XCSE
Genmab A/S	19/06/2024	9:57:09 AM	1,779.0000	7	CEUX
Genmab A/S	19/06/2024	9:57:10 AM	1,778.5000	13	CEUX
Genmab A/S	19/06/2024	9:57:10 AM	1,778.5000	7	CEUX
Genmab A/S	19/06/2024	9:57:10 AM	1,778.5000	7	CEUX
Genmab A/S	19/06/2024	9:57:10 AM	1,778.5000	3	AQEU
Genmab A/S	19/06/2024	9:57:10 AM	1,778.5000	22	XCSE
Genmab A/S	19/06/2024	10:01:51 AM	1,780.5000	9	TQEX
Genmab A/S	19/06/2024	10:01:51 AM	1,780.5000	27	TQEX
Genmab A/S	19/06/2024	10:01:51 AM	1,780.0000	14	CEUX
Genmab A/S	19/06/2024	10:01:51 AM	1,780.0000	117	CEUX
Genmab A/S	19/06/2024	10:01:51 AM	1,780.0000	19	AQEU
Genmab A/S	19/06/2024	10:01:51 AM	1,780.0000	20	TQEX
Genmab A/S	19/06/2024	10:01:51 AM	1,780.0000	98	XCSE
Genmab A/S	19/06/2024	10:01:51 AM	1,780.0000	48	XCSE
Genmab A/S	19/06/2024	10:01:51 AM	1,779.5000	44	XCSE
Genmab A/S	19/06/2024	10:01:51 AM	1,779.5000	10	CEUX
Genmab A/S	19/06/2024	10:01:51 AM	1,779.5000	3	XCSE
Genmab A/S	19/06/2024	10:01:51 AM	1,779.5000	33	XCSE
Genmab A/S	19/06/2024	10:04:05 AM	1,778.0000	87	CEUX
Genmab A/S	19/06/2024	10:04:05 AM	1,778.0000	13	AQEU
Genmab A/S	19/06/2024	10:04:05 AM	1,778.0000	13	TQEX
Genmab A/S	19/06/2024	10:04:05 AM	1,778.0000	50	XCSE
Genmab A/S	19/06/2024	10:04:05 AM	1,778.0000	47	XCSE
Genmab A/S	19/06/2024	10:04:05 AM	1,777.5000	5	XCSE
Genmab A/S	19/06/2024	10:04:05 AM	1,777.5000	12	XCSE
Genmab A/S	19/06/2024	10:04:05 AM	1,777.5000	2	CEUX
Genmab A/S	19/06/2024	10:04:05 AM	1,777.5000	9	CEUX
Genmab A/S	19/06/2024	10:04:05 AM	1,777.5000	2	CEUX
Genmab A/S	19/06/2024	10:06:54 AM	1,778.0000	8	TQEX

161

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:06:54 AM	1,778.0000	8	TQEX
Genmab A/S	19/06/2024	10:07:35 AM	1,777.5000	14	CEUX
Genmab A/S	19/06/2024	10:07:35 AM	1,777.5000	33	CEUX
Genmab A/S	19/06/2024	10:07:35 AM	1,777.5000	35	CEUX
Genmab A/S	19/06/2024	10:07:35 AM	1,777.5000	29	CEUX
Genmab A/S	19/06/2024	10:07:35 AM	1,777.5000	7	AQEU
Genmab A/S	19/06/2024	10:07:35 AM	1,777.5000	7	TQEX
Genmab A/S	19/06/2024	10:07:35 AM	1,777.5000	7	TQEX
Genmab A/S	19/06/2024	10:07:35 AM	1,777.5000	51	XCSE
Genmab A/S	19/06/2024	10:07:35 AM	1,777.5000	15	CEUX
Genmab A/S	19/06/2024	10:07:44 AM	1,777.0000	49	XCSE
Genmab A/S	19/06/2024	10:08:35 AM	1,781.5000	50	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.5000	93	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.5000	150	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	22	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	27	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	3	AQEU
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	20	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	21	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	21	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	21	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	10	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	15	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	3	AQEU
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	5	TQEX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	5	TQEX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	5	TQEX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	10	CEUX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	5	TQEX
Genmab A/S	19/06/2024	10:08:35 AM	1,781.0000	22	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	22	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	9	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	13	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	3	AQEU
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	23	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	23	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	14	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	11	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	20	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	20	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	3	AQEU
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	22	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	22	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	22	XCSE

162

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	22	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	22	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	22	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	11	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	37	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	30	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,780.0000	1	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	20	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	20	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	20	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	20	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	3	AQEU
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	10	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	36	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,779.0000	52	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,779.0000	52	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,779.0000	38	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,779.5000	25	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,779.0000	7	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	23	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	21	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	21	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	3	AQEU
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	3	AQEU
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	21	CEUX
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	3	AQEU
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	23	XCSE
Genmab A/S	19/06/2024	10:11:12 AM	1,778.5000	23	XCSE
Genmab A/S	19/06/2024	10:11:14 AM	1,778.5000	17	CEUX
Genmab A/S	19/06/2024	10:11:14 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:11:14 AM	1,778.5000	19	XCSE
Genmab A/S	19/06/2024	10:11:14 AM	1,778.5000	3	CEUX
Genmab A/S	19/06/2024	10:11:14 AM	1,778.5000	3	AQEU
Genmab A/S	19/06/2024	10:11:14 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:17:11 AM	1,775.5000	15	XCSE
Genmab A/S	19/06/2024	10:17:35 AM	1,775.0000	21	CEUX
Genmab A/S	19/06/2024	10:17:35 AM	1,775.0000	2	AQEU
Genmab A/S	19/06/2024	10:17:35 AM	1,775.0000	5	TQEX
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	18	CEUX
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	1	CEUX
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	5	TQEX

163

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	20	XCSE
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	13	XCSE
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	7	XCSE
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	6	XCSE
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	19	CEUX
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	19	CEUX
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	10:17:44 AM	1,774.5000	20	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	64	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	58	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	51	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	36	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	9	TQEX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	9	TQEX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	9	TQEX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	2	TQEX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	7	TQEX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	34	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	21	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	20	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	25	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	20	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	5	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	20	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	16	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	20	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	20	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	18	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	20	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	2	AQEU
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	2	AQEU
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	19	AQEU
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	20	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.5000	20	XCSE
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	6	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	9	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	2	AQEU
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	9	AQEU
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	9	TQEX
Genmab A/S	19/06/2024	10:19:39 AM	1,772.5000	21	CEUX
Genmab A/S	19/06/2024	10:19:39 AM	1,772.5000	2	AQEU
Genmab A/S	19/06/2024	10:19:39 AM	1,772.5000	2	AQEU
Genmab A/S	19/06/2024	10:19:39 AM	1,772.5000	2	AQEU
Genmab A/S	19/06/2024	10:19:39 AM	1,772.5000	5	TQEX
Genmab A/S	19/06/2024	10:19:39 AM	1,773.0000	19	XCSE

164

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:19:39 AM	1,772.5000	21	XCSE
Genmab A/S	19/06/2024	10:24:04 AM	1,774.0000	108	CEUX
Genmab A/S	19/06/2024	10:24:04 AM	1,774.0000	16	AQEU
Genmab A/S	19/06/2024	10:24:04 AM	1,774.0000	16	TQEX
Genmab A/S	19/06/2024	10:24:04 AM	1,774.0000	19	XCSE
Genmab A/S	19/06/2024	10:26:27 AM	1,775.0000	38	XCSE
Genmab A/S	19/06/2024	10:26:44 AM	1,775.0000	8	XCSE
Genmab A/S	19/06/2024	10:26:44 AM	1,775.0000	31	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	58	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	50	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	8	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	58	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	2	AQEU
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	6	AQEU
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	9	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	9	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	64	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	6	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	58	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	64	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	6	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	9	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	64	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	4	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	4	AQEU
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	9	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	29	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	19	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	58	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	4	AQEU
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	8	AQEU
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	9	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	2	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	9	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	64	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,774.0000	20	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	4	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	11	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	5	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	11	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	20	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	19	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	2	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	6	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	13	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	2	AQEU
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	9	AQEU
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	2	AQEU
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	2	AQEU

165

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	10	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	4	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	15	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	4	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	11	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	2	AQEU
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	2	AQEU
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	10	TQEX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	20	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	1	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,773.5000	28	XCSE
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	36	CEUX
Genmab A/S	19/06/2024	10:26:45 AM	1,773.0000	1	CEUX
Genmab A/S	19/06/2024	10:26:46 AM	1,772.5000	2	AQEU
Genmab A/S	19/06/2024	10:26:46 AM	1,772.5000	5	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	7	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	2	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	7	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	2	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	1	AQEU
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	2	AQEU
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	4	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	1	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	4	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	8	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	8	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	8	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	8	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	8	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	6	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	2	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX

166

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	1	AQEU
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	5	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	3	TQEX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	8	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	8	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	30	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	8	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	5	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	3	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	44	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	CEUX
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	23	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	23	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	23	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	14	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	23	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	23	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	23	XCSE
Genmab A/S	19/06/2024	10:32:40 AM	1,774.5000	9	XCSE
Genmab A/S	19/06/2024	10:34:26 AM	1,774.5000	8	CEUX
Genmab A/S	19/06/2024	10:34:26 AM	1,774.5000	4	TQEX
Genmab A/S	19/06/2024	10:34:26 AM	1,774.5000	8	CEUX
Genmab A/S	19/06/2024	10:34:26 AM	1,774.5000	1	AQEU
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	7	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	6	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	5	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	6	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	1	AQEU
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	1	AQEU
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	5	TQEX

167

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	5	TQEX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	25	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	39	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	4	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	2	TQEX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	2	TQEX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	3	TQEX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	1	AQEU
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	4	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	4	XCSE
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	CEUX
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	1	AQEU
Genmab A/S	19/06/2024	10:36:59 AM	1,778.5000	8	XCSE
Genmab A/S	19/06/2024	10:37:51 AM	1,777.0000	21	XCSE
Genmab A/S	19/06/2024	10:37:51 AM	1,777.0000	21	XCSE
Genmab A/S	19/06/2024	10:39:53 AM	1,778.0000	47	AQEU
Genmab A/S	19/06/2024	10:40:29 AM	1,777.5000	20	CEUX
Genmab A/S	19/06/2024	10:40:29 AM	1,777.5000	14	CEUX
Genmab A/S	19/06/2024	10:40:29 AM	1,777.5000	1	CEUX

168

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:40:46 AM	1,778.0000	2	AQEU
Genmab A/S	19/06/2024	10:40:46 AM	1,778.0000	9	AQEU
Genmab A/S	19/06/2024	10:40:49 AM	1,778.0000	2	AQEU
Genmab A/S	19/06/2024	10:40:49 AM	1,778.0000	9	AQEU
Genmab A/S	19/06/2024	10:40:54 AM	1,778.0000	2	AQEU
Genmab A/S	19/06/2024	10:40:54 AM	1,778.0000	9	AQEU
Genmab A/S	19/06/2024	10:40:58 AM	1,778.0000	2	AQEU
Genmab A/S	19/06/2024	10:40:58 AM	1,778.0000	9	AQEU
Genmab A/S	19/06/2024	10:41:00 AM	1,777.0000	20	XCSE
Genmab A/S	19/06/2024	10:41:00 AM	1,777.0000	2	XCSE
Genmab A/S	19/06/2024	10:41:00 AM	1,777.0000	20	CEUX
Genmab A/S	19/06/2024	10:41:00 AM	1,777.0000	20	CEUX
Genmab A/S	19/06/2024	10:41:00 AM	1,777.0000	3	AQEU
Genmab A/S	19/06/2024	10:41:00 AM	1,777.0000	2	AQEU
Genmab A/S	19/06/2024	10:41:00 AM	1,777.0000	2	AQEU
Genmab A/S	19/06/2024	10:41:00 AM	1,777.0000	5	TQEX
Genmab A/S	19/06/2024	10:41:00 AM	1,777.0000	22	XCSE
Genmab A/S	19/06/2024	10:41:00 AM	1,777.0000	25	XCSE
Genmab A/S	19/06/2024	10:41:02 AM	1,777.0000	20	CEUX
Genmab A/S	19/06/2024	10:41:02 AM	1,777.0000	5	TQEX
Genmab A/S	19/06/2024	10:41:02 AM	1,777.0000	20	CEUX
Genmab A/S	19/06/2024	10:41:02 AM	1,777.0000	22	XCSE
Genmab A/S	19/06/2024	10:41:02 AM	1,777.0000	20	CEUX
Genmab A/S	19/06/2024	10:42:35 AM	1,776.5000	3	CEUX
Genmab A/S	19/06/2024	10:42:35 AM	1,776.5000	33	CEUX
Genmab A/S	19/06/2024	10:42:52 AM	1,776.5000	12	CEUX
Genmab A/S	19/06/2024	10:42:52 AM	1,776.5000	25	TQEX
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	20	CEUX
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	2	AQEU
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	20	CEUX
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	4	CEUX
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	20	CEUX
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	2	AQEU
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	5	TQEX
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	5	TQEX
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	37	XCSE
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	21	XCSE
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	21	XCSE
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	4	XCSE
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	21	XCSE
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	12	CEUX
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	2	AQEU
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	3	AQEU
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	5	TQEX
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	5	TQEX
Genmab A/S	19/06/2024	10:43:15 AM	1,776.5000	48	XCSE
Genmab A/S	19/06/2024	10:43:48 AM	1,776.5000	9	CEUX
Genmab A/S	19/06/2024	10:43:48 AM	1,776.5000	5	TQEX
Genmab A/S	19/06/2024	10:43:48 AM	1,776.5000	5	TQEX

169

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:43:48 AM	1,776.5000	9	XCSE
Genmab A/S	19/06/2024	10:43:48 AM	1,776.5000	9	XCSE
Genmab A/S	19/06/2024	10:44:48 AM	1,776.0000	5	XCSE
Genmab A/S	19/06/2024	10:45:10 AM	1,776.5000	38	CEUX
Genmab A/S	19/06/2024	10:45:25 AM	1,776.5000	24	CEUX
Genmab A/S	19/06/2024	10:45:45 AM	1,776.5000	11	CEUX
Genmab A/S	19/06/2024	10:45:45 AM	1,776.5000	8	AQEU
Genmab A/S	19/06/2024	10:45:45 AM	1,776.5000	8	TQEX
Genmab A/S	19/06/2024	10:45:53 AM	1,776.5000	3	CEUX
Genmab A/S	19/06/2024	10:46:11 AM	1,776.5000	59	XCSE
Genmab A/S	19/06/2024	10:46:11 AM	1,776.5000	23	XCSE
Genmab A/S	19/06/2024	10:46:11 AM	1,776.5000	59	XCSE
Genmab A/S	19/06/2024	10:46:11 AM	1,776.5000	18	XCSE
Genmab A/S	19/06/2024	10:46:15 AM	1,776.5000	8	AQEU
Genmab A/S	19/06/2024	10:46:15 AM	1,776.5000	8	TQEX
Genmab A/S	19/06/2024	10:46:15 AM	1,776.5000	15	XCSE
Genmab A/S	19/06/2024	10:46:39 AM	1,776.5000	48	CEUX
Genmab A/S	19/06/2024	10:46:39 AM	1,776.5000	6	CEUX
Genmab A/S	19/06/2024	10:46:39 AM	1,776.5000	8	TQEX
Genmab A/S	19/06/2024	10:46:39 AM	1,776.5000	8	AQEU
Genmab A/S	19/06/2024	10:46:39 AM	1,776.5000	44	XCSE
Genmab A/S	19/06/2024	10:46:39 AM	1,776.5000	23	CEUX
Genmab A/S	19/06/2024	10:46:39 AM	1,776.5000	19	XCSE
Genmab A/S	19/06/2024	10:46:40 AM	1,776.5000	19	XCSE
Genmab A/S	19/06/2024	10:46:40 AM	1,776.5000	11	XCSE
Genmab A/S	19/06/2024	10:46:40 AM	1,776.5000	54	XCSE
Genmab A/S	19/06/2024	10:46:40 AM	1,776.5000	25	XCSE
Genmab A/S	19/06/2024	10:46:40 AM	1,776.5000	67	XCSE
Genmab A/S	19/06/2024	10:46:40 AM	1,776.5000	42	XCSE
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	14	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	6	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	38	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	20	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	20	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	20	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	20	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	13	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	20	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	11	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU

170

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	5	TQEX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	5	TQEX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	5	TQEX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	5	TQEX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	5	TQEX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	5	TQEX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	21	XCSE
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	40	XCSE
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	21	XCSE
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	78	XCSE
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	4	XCSE
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	21	XCSE
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	11	XCSE
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	36	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	9	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	2	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	9	AQEU
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	10	TQEX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	6	TQEX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	48	CEUX
Genmab A/S	19/06/2024	10:46:42 AM	1,776.0000	10	XCSE
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	21	XCSE
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	28	XCSE
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	21	CEUX
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	5	CEUX
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	20	CEUX
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	3	TQEX
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	2	XCSE
Genmab A/S	19/06/2024	10:48:47 AM	1,773.0000	72	XCSE
Genmab A/S	19/06/2024	10:54:49 AM	1,772.5000	16	TQEX
Genmab A/S	19/06/2024	10:57:00 AM	1,773.5000	15	CEUX
Genmab A/S	19/06/2024	10:57:00 AM	1,773.5000	15	CEUX
Genmab A/S	19/06/2024	10:57:00 AM	1,773.5000	2	CEUX
Genmab A/S	19/06/2024	10:57:00 AM	1,773.5000	5	XCSE
Genmab A/S	19/06/2024	10:57:03 AM	1,773.0000	8	XCSE
Genmab A/S	19/06/2024	10:57:12 AM	1,773.0000	8	XCSE
Genmab A/S	19/06/2024	10:57:25 AM	1,773.5000	18	CEUX
Genmab A/S	19/06/2024	10:57:51 AM	1,773.5000	68	XCSE
Genmab A/S	19/06/2024	10:57:51 AM	1,773.0000	323	CEUX
Genmab A/S	19/06/2024	10:57:51 AM	1,773.0000	108	CEUX
Genmab A/S	19/06/2024	10:57:51 AM	1,773.0000	58	AQEU
Genmab A/S	19/06/2024	10:57:51 AM	1,773.0000	2	AQEU
Genmab A/S	19/06/2024	10:57:51 AM	1,773.0000	67	TQEX
Genmab A/S	19/06/2024	10:57:51 AM	1,773.0000	74	XCSE

171

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	10:57:51 AM	1,773.0000	110	XCSE
Genmab A/S	19/06/2024	10:57:51 AM	1,773.0000	298	XCSE
Genmab A/S	19/06/2024	11:03:30 AM	1,768.5000	1	XCSE
Genmab A/S	19/06/2024	11:03:30 AM	1,768.5000	20	XCSE
Genmab A/S	19/06/2024	11:03:30 AM	1,768.5000	18	XCSE
Genmab A/S	19/06/2024	11:03:30 AM	1,768.5000	21	CEUX
Genmab A/S	19/06/2024	11:03:30 AM	1,768.5000	18	CEUX
Genmab A/S	19/06/2024	11:03:30 AM	1,768.5000	5	TQEX
Genmab A/S	19/06/2024	11:03:30 AM	1,768.5000	5	TQEX
Genmab A/S	19/06/2024	11:06:11 AM	1,770.5000	7	XCSE
Genmab A/S	19/06/2024	11:06:58 AM	1,771.5000	18	XCSE
Genmab A/S	19/06/2024	11:06:58 AM	1,771.5000	8	XCSE
Genmab A/S	19/06/2024	11:06:58 AM	1,771.5000	9	XCSE
Genmab A/S	19/06/2024	11:07:05 AM	1,770.5000	5	XCSE
Genmab A/S	19/06/2024	11:07:05 AM	1,770.5000	14	XCSE
Genmab A/S	19/06/2024	11:07:05 AM	1,770.5000	103	XCSE
Genmab A/S	19/06/2024	11:07:05 AM	1,770.5000	26	XCSE
Genmab A/S	19/06/2024	11:07:05 AM	1,770.5000	91	XCSE
Genmab A/S	19/06/2024	11:07:05 AM	1,770.5000	26	XCSE
Genmab A/S	19/06/2024	11:07:05 AM	1,770.5000	92	CEUX
Genmab A/S	19/06/2024	11:07:05 AM	1,770.5000	15	TQEX
Genmab A/S	19/06/2024	11:07:05 AM	1,770.5000	13	CEUX
Genmab A/S	19/06/2024	11:10:18 AM	1,771.5000	10	AQEU
Genmab A/S	19/06/2024	11:10:23 AM	1,772.0000	19	CEUX
Genmab A/S	19/06/2024	11:10:23 AM	1,772.0000	18	CEUX
Genmab A/S	19/06/2024	11:10:48 AM	1,771.5000	36	CEUX
Genmab A/S	19/06/2024	11:10:48 AM	1,771.5000	17	XCSE
Genmab A/S	19/06/2024	11:10:48 AM	1,771.5000	17	CEUX
Genmab A/S	19/06/2024	11:11:19 AM	1,773.5000	35	XCSE
Genmab A/S	19/06/2024	11:12:04 AM	1,773.5000	72	XCSE
Genmab A/S	19/06/2024	11:12:04 AM	1,773.0000	301	XCSE
Genmab A/S	19/06/2024	11:12:04 AM	1,773.0000	10	CEUX
Genmab A/S	19/06/2024	11:12:04 AM	1,773.0000	84	CEUX
Genmab A/S	19/06/2024	11:12:04 AM	1,773.0000	7	TQEX
Genmab A/S	19/06/2024	11:12:04 AM	1,773.0000	3	AQEU
Genmab A/S	19/06/2024	11:13:05 AM	1,773.0000	10	CEUX
Genmab A/S	19/06/2024	11:13:05 AM	1,773.0000	5	CEUX
Genmab A/S	19/06/2024	11:13:05 AM	1,773.0000	1	AQEU
Genmab A/S	19/06/2024	11:13:05 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	11:13:05 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	11:13:05 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:14:08 AM	1,772.5000	91	CEUX
Genmab A/S	19/06/2024	11:14:08 AM	1,772.5000	11	TQEX
Genmab A/S	19/06/2024	11:14:08 AM	1,772.5000	103	XCSE
Genmab A/S	19/06/2024	11:14:08 AM	1,772.5000	4	XCSE
Genmab A/S	19/06/2024	11:14:08 AM	1,772.5000	4	TQEX
Genmab A/S	19/06/2024	11:14:08 AM	1,772.5000	18	TQEX
Genmab A/S	19/06/2024	11:15:39 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:15:39 AM	1,773.0000	55	XCSE

172

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	11:16:55 AM	1,773.0000	1	AQEU
Genmab A/S	19/06/2024	11:16:55 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	11:16:55 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:16:55 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	11:17:06 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	12	CEUX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	12	CEUX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	12	CEUX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	12	CEUX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	1	CEUX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	12	CEUX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	12	CEUX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	12	CEUX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	12	CEUX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	5	TQEX
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:37 AM	1,773.0000	3	XCSE
Genmab A/S	19/06/2024	11:17:38 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:38 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:17:42 AM	1,771.5000	18	CEUX
Genmab A/S	19/06/2024	11:17:42 AM	1,771.5000	19	XCSE
Genmab A/S	19/06/2024	11:17:42 AM	1,771.5000	5	TQEX
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	8	CEUX
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	8	XCSE
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	8	XCSE
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	8	CEUX
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	1	AQEU
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	8	XCSE
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	2	XCSE
Genmab A/S	19/06/2024	11:19:26 AM	1,770.5000	8	CEUX

173

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	11:21:41 AM	1,771.5000	36	CEUX
Genmab A/S	19/06/2024	11:21:41 AM	1,771.5000	2	AQEU
Genmab A/S	19/06/2024	11:22:01 AM	1,771.5000	30	XCSE
Genmab A/S	19/06/2024	11:22:01 AM	1,771.5000	5	XCSE
Genmab A/S	19/06/2024	11:22:10 AM	1,771.5000	8	CEUX
Genmab A/S	19/06/2024	11:22:10 AM	1,771.5000	12	CEUX
Genmab A/S	19/06/2024	11:22:10 AM	1,771.5000	19	CEUX
Genmab A/S	19/06/2024	11:22:32 AM	1,772.0000	15	TQEX
Genmab A/S	19/06/2024	11:22:32 AM	1,772.0000	6	TQEX
Genmab A/S	19/06/2024	11:22:32 AM	1,772.0000	6	TQEX
Genmab A/S	19/06/2024	11:22:32 AM	1,772.0000	6	TQEX
Genmab A/S	19/06/2024	11:22:52 AM	1,772.0000	34	XCSE
Genmab A/S	19/06/2024	11:23:09 AM	1,772.0000	36	XCSE
Genmab A/S	19/06/2024	11:23:26 AM	1,772.0000	17	CEUX
Genmab A/S	19/06/2024	11:23:26 AM	1,772.0000	2	AQEU
Genmab A/S	19/06/2024	11:23:26 AM	1,772.0000	9	AQEU
Genmab A/S	19/06/2024	11:23:26 AM	1,772.0000	9	TQEX
Genmab A/S	19/06/2024	11:23:37 AM	1,771.0000	3	CEUX
Genmab A/S	19/06/2024	11:23:37 AM	1,771.0000	6	CEUX
Genmab A/S	19/06/2024	11:23:37 AM	1,771.0000	9	CEUX
Genmab A/S	19/06/2024	11:23:37 AM	1,771.0000	5	TQEX
Genmab A/S	19/06/2024	11:23:37 AM	1,771.0000	8	XCSE
Genmab A/S	19/06/2024	11:23:37 AM	1,771.0000	9	CEUX
Genmab A/S	19/06/2024	11:23:37 AM	1,771.0000	7	CEUX
Genmab A/S	19/06/2024	11:23:37 AM	1,771.0000	2	CEUX
Genmab A/S	19/06/2024	11:24:10 AM	1,771.0000	3	CEUX
Genmab A/S	19/06/2024	11:24:10 AM	1,771.0000	23	CEUX
Genmab A/S	19/06/2024	11:24:10 AM	1,771.0000	8	XCSE
Genmab A/S	19/06/2024	11:24:10 AM	1,771.0000	3	XCSE
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	4	CEUX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	20	CEUX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	17	CEUX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	3	AQEU
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	3	AQEU
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	3	AQEU
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	20	XCSE
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	5	XCSE
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	24	CEUX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	24	CEUX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	13	CEUX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	3	AQEU
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	3	AQEU
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	3	AQEU
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	3	AQEU
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	24	CEUX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	2	AQEU

174

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	10	CEUX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	14	CEUX
Genmab A/S	19/06/2024	11:24:18 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:24:19 AM	1,770.5000	11	XCSE
Genmab A/S	19/06/2024	11:24:19 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:24:19 AM	1,770.5000	8	CEUX
Genmab A/S	19/06/2024	11:24:19 AM	1,770.5000	6	CEUX
Genmab A/S	19/06/2024	11:24:19 AM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	11:24:19 AM	1,770.5000	36	CEUX
Genmab A/S	19/06/2024	11:24:19 AM	1,770.5000	9	AQEU
Genmab A/S	19/06/2024	11:24:19 AM	1,770.5000	10	TQEX
Genmab A/S	19/06/2024	11:24:19 AM	1,770.5000	30	XCSE
Genmab A/S	19/06/2024	11:24:19 AM	1,770.5000	24	XCSE
Genmab A/S	19/06/2024	11:26:30 AM	1,772.0000	9	XCSE
Genmab A/S	19/06/2024	11:26:30 AM	1,772.0000	96	XCSE
Genmab A/S	19/06/2024	11:26:30 AM	1,772.0000	74	CEUX
Genmab A/S	19/06/2024	11:26:30 AM	1,772.0000	14	TQEX
Genmab A/S	19/06/2024	11:26:30 AM	1,772.0000	20	CEUX
Genmab A/S	19/06/2024	11:29:23 AM	1,771.0000	16	CEUX
Genmab A/S	19/06/2024	11:29:23 AM	1,771.0000	79	CEUX
Genmab A/S	19/06/2024	11:29:23 AM	1,771.0000	99	CEUX
Genmab A/S	19/06/2024	11:29:23 AM	1,771.0000	9	CEUX
Genmab A/S	19/06/2024	11:29:23 AM	1,771.0000	14	TQEX
Genmab A/S	19/06/2024	11:29:23 AM	1,771.0000	6	TQEX
Genmab A/S	19/06/2024	11:29:23 AM	1,771.0000	14	XCSE
Genmab A/S	19/06/2024	11:31:25 AM	1,773.0000	7	TQEX
Genmab A/S	19/06/2024	11:31:25 AM	1,773.0000	15	TQEX
Genmab A/S	19/06/2024	11:31:25 AM	1,773.0000	10	XCSE
Genmab A/S	19/06/2024	11:31:25 AM	1,773.0000	2	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	8	CEUX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	8	CEUX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	7	CEUX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	8	CEUX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	8	CEUX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	4	CEUX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	8	CEUX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	8	CEUX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	2	TQEX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	3	TQEX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	8	TQEX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	8	CEUX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	5	TQEX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	5	TQEX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	6	TQEX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	5	TQEX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	7	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	31	XCSE

175

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	7	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	7	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	29	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	31	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	1	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	36	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	5	TQEX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	5	TQEX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	3	TQEX
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	20	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	1	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	20	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	1	XCSE
Genmab A/S	19/06/2024	11:31:44 AM	1,772.0000	4	CEUX
Genmab A/S	19/06/2024	11:31:45 AM	1,771.5000	5	TQEX
Genmab A/S	19/06/2024	11:31:45 AM	1,771.5000	2	TQEX
Genmab A/S	19/06/2024	11:31:45 AM	1,771.5000	3	TQEX
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	8	CEUX
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	10	CEUX
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	15	CEUX
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	5	CEUX
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	18	CEUX
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	20	CEUX
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	3	CEUX
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	2	AQEU
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	2	AQEU
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	2	AQEU
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	2	AQEU
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	5	TQEX
Genmab A/S	19/06/2024	11:31:46 AM	1,771.5000	5	TQEX
Genmab A/S	19/06/2024	11:31:49 AM	1,771.5000	15	CEUX
Genmab A/S	19/06/2024	11:31:49 AM	1,771.5000	2	CEUX
Genmab A/S	19/06/2024	11:31:49 AM	1,771.5000	9	CEUX
Genmab A/S	19/06/2024	11:31:49 AM	1,771.5000	2	TQEX
Genmab A/S	19/06/2024	11:31:49 AM	1,771.5000	8	XCSE
Genmab A/S	19/06/2024	11:31:49 AM	1,771.5000	11	XCSE
Genmab A/S	19/06/2024	11:31:49 AM	1,771.5000	21	XCSE
Genmab A/S	19/06/2024	11:31:49 AM	1,771.5000	19	XCSE
Genmab A/S	19/06/2024	11:31:49 AM	1,771.5000	21	XCSE
Genmab A/S	19/06/2024	11:32:15 AM	1,771.0000	8	CEUX
Genmab A/S	19/06/2024	11:32:15 AM	1,771.0000	1	AQEU
Genmab A/S	19/06/2024	11:32:15 AM	1,771.0000	5	TQEX
Genmab A/S	19/06/2024	11:36:22 AM	1,771.5000	9	CEUX
Genmab A/S	19/06/2024	11:36:22 AM	1,771.5000	25	CEUX
Genmab A/S	19/06/2024	11:36:22 AM	1,771.5000	4	TQEX
Genmab A/S	19/06/2024	11:36:46 AM	1,771.5000	36	CEUX
Genmab A/S	19/06/2024	11:37:08 AM	1,771.5000	15	CEUX
Genmab A/S	19/06/2024	11:37:08 AM	1,771.5000	9	CEUX
Genmab A/S	19/06/2024	11:37:08 AM	1,771.5000	5	CEUX

176

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	11:37:08 AM	1,771.5000	1	XCSE
Genmab A/S	19/06/2024	11:37:08 AM	1,771.5000	9	XCSE
Genmab A/S	19/06/2024	11:37:25 AM	1,771.5000	14	CEUX
Genmab A/S	19/06/2024	11:37:25 AM	1,771.5000	6	CEUX
Genmab A/S	19/06/2024	11:37:25 AM	1,771.5000	16	CEUX
Genmab A/S	19/06/2024	11:37:25 AM	1,771.5000	1	CEUX
Genmab A/S	19/06/2024	11:37:25 AM	1,771.5000	3	TQEX
Genmab A/S	19/06/2024	11:37:49 AM	1,771.5000	6	CEUX
Genmab A/S	19/06/2024	11:37:49 AM	1,771.5000	31	CEUX
Genmab A/S	19/06/2024	11:38:04 AM	1,771.5000	6	CEUX
Genmab A/S	19/06/2024	11:38:04 AM	1,771.5000	13	CEUX
Genmab A/S	19/06/2024	11:38:04 AM	1,771.5000	10	CEUX
Genmab A/S	19/06/2024	11:38:04 AM	1,771.5000	6	CEUX
Genmab A/S	19/06/2024	11:38:27 AM	1,771.5000	2	CEUX
Genmab A/S	19/06/2024	11:38:27 AM	1,771.5000	10	CEUX
Genmab A/S	19/06/2024	11:38:27 AM	1,771.5000	14	CEUX
Genmab A/S	19/06/2024	11:38:27 AM	1,771.5000	5	CEUX
Genmab A/S	19/06/2024	11:38:27 AM	1,771.5000	5	CEUX
Genmab A/S	19/06/2024	11:38:44 AM	1,771.5000	13	CEUX
Genmab A/S	19/06/2024	11:38:44 AM	1,771.5000	10	CEUX
Genmab A/S	19/06/2024	11:38:44 AM	1,771.5000	3	CEUX
Genmab A/S	19/06/2024	11:38:44 AM	1,771.5000	5	TQEX
Genmab A/S	19/06/2024	11:38:44 AM	1,771.5000	9	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	60	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	15	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	40	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	24	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	4	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	50	CEUX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	18	CEUX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	28	CEUX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	40	CEUX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	35	CEUX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	10	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	10	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	2	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	4	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	6	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	4	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	2	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	4	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	10	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	3	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	7	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	3	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	7	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	4	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	3	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	38	XCSE

177

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	11:38:45 AM	1,770.5000	20	CEUX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	19	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	20	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	50	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	1	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	39	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	19	CEUX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	19	CEUX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	2	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	2	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	2	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	5	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	5	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	5	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	5	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	19	CEUX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	19	CEUX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	38	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	2	AQEU
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	26	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	18	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	19	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	25	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	2	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	3	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	13	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	1	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	11	TQEX
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	2	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	22	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	5	XCSE
Genmab A/S	19/06/2024	11:38:45 AM	1,770.0000	13	CEUX
Genmab A/S	19/06/2024	11:43:34 AM	1,767.5000	19	CEUX
Genmab A/S	19/06/2024	11:43:34 AM	1,767.5000	5	TQEX
Genmab A/S	19/06/2024	11:43:34 AM	1,767.5000	19	XCSE
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	10	CEUX
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	11	CEUX
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	10	CEUX
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	3	AQEU
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	3	AQEU
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	3	AQEU
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	5	TQEX
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	22	XCSE
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	26	XCSE
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	5	XCSE
Genmab A/S	19/06/2024	11:43:40 AM	1,766.5000	20	XCSE
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	20	CEUX
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	3	AQEU
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	5	TQEX

178

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	36	CEUX
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	9	AQEU
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	9	TQEX
Genmab A/S	19/06/2024	11:43:40 AM	1,767.0000	16	XCSE
Genmab A/S	19/06/2024	11:46:57 AM	1,769.0000	26	CEUX
Genmab A/S	19/06/2024	11:46:57 AM	1,769.0000	26	CEUX
Genmab A/S	19/06/2024	11:46:57 AM	1,769.0000	4	AQEU
Genmab A/S	19/06/2024	11:46:57 AM	1,769.0000	2	AQEU
Genmab A/S	19/06/2024	11:46:57 AM	1,769.0000	5	TQEX
Genmab A/S	19/06/2024	11:46:57 AM	1,769.0000	4	TQEX
Genmab A/S	19/06/2024	11:47:31 AM	1,768.5000	26	XCSE
Genmab A/S	19/06/2024	11:47:31 AM	1,768.5000	25	XCSE
Genmab A/S	19/06/2024	11:47:31 AM	1,768.5000	26	XCSE
Genmab A/S	19/06/2024	11:47:31 AM	1,768.5000	36	CEUX
Genmab A/S	19/06/2024	11:47:31 AM	1,768.5000	9	AQEU
Genmab A/S	19/06/2024	11:47:31 AM	1,768.5000	10	TQEX
Genmab A/S	19/06/2024	11:47:31 AM	1,768.5000	14	XCSE
Genmab A/S	19/06/2024	11:47:31 AM	1,768.0000	19	CEUX
Genmab A/S	19/06/2024	11:51:21 AM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	11:51:21 AM	1,771.0000	9	AQEU
Genmab A/S	19/06/2024	11:51:21 AM	1,771.0000	14	TQEX
Genmab A/S	19/06/2024	11:51:21 AM	1,771.0000	11	XCSE
Genmab A/S	19/06/2024	11:51:45 AM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	11:51:45 AM	1,771.0000	9	AQEU
Genmab A/S	19/06/2024	11:51:45 AM	1,771.0000	9	TQEX
Genmab A/S	19/06/2024	11:51:45 AM	1,771.0000	14	XCSE
Genmab A/S	19/06/2024	11:52:00 AM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	11:52:00 AM	1,771.0000	12	XCSE
Genmab A/S	19/06/2024	11:52:00 AM	1,771.0000	20	XCSE
Genmab A/S	19/06/2024	11:52:19 AM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	11:52:19 AM	1,771.0000	17	XCSE
Genmab A/S	19/06/2024	11:52:19 AM	1,771.0000	12	XCSE
Genmab A/S	19/06/2024	11:52:19 AM	1,771.0000	5	XCSE
Genmab A/S	19/06/2024	11:52:39 AM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	11:52:39 AM	1,771.0000	20	AQEU
Genmab A/S	19/06/2024	11:52:39 AM	1,771.0000	16	XCSE
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	57	XCSE
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	57	XCSE
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	2	XCSE
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	55	XCSE
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	2	XCSE
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	19	XCSE
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	52	CEUX
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	3	CEUX
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	49	CEUX
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	8	TQEX
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	8	TQEX
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	40	CEUX
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	12	CEUX

179

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	39	CEUX
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	6	TQEX
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	43	XCSE
Genmab A/S	19/06/2024	11:53:19 AM	1,769.5000	20	CEUX
Genmab A/S	19/06/2024	11:53:19 AM	1,769.5000	15	CEUX
Genmab A/S	19/06/2024	11:53:19 AM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	11:53:19 AM	1,769.5000	6	AQEU
Genmab A/S	19/06/2024	11:53:19 AM	1,769.5000	5	TQEX
Genmab A/S	19/06/2024	11:53:19 AM	1,769.5000	6	TQEX
Genmab A/S	19/06/2024	11:53:19 AM	1,769.5000	21	XCSE
Genmab A/S	19/06/2024	11:53:19 AM	1,769.5000	13	XCSE
Genmab A/S	19/06/2024	11:53:19 AM	1,770.0000	6	XCSE
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	20	CEUX
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	21	XCSE
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	11	XCSE
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	5	CEUX
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	5	TQEX
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	5	TQEX
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	48	XCSE
Genmab A/S	19/06/2024	11:53:20 AM	1,769.5000	9	XCSE
Genmab A/S	19/06/2024	11:56:05 AM	1,767.0000	19	CEUX
Genmab A/S	19/06/2024	11:56:05 AM	1,767.0000	19	CEUX
Genmab A/S	19/06/2024	11:56:05 AM	1,767.0000	3	CEUX
Genmab A/S	19/06/2024	11:56:05 AM	1,767.0000	2	AQEU
Genmab A/S	19/06/2024	11:56:05 AM	1,767.0000	3	AQEU
Genmab A/S	19/06/2024	11:56:05 AM	1,767.0000	5	TQEX
Genmab A/S	19/06/2024	11:56:05 AM	1,767.0000	3	TQEX
Genmab A/S	19/06/2024	11:56:05 AM	1,767.0000	19	XCSE
Genmab A/S	19/06/2024	11:56:05 AM	1,767.0000	31	XCSE
Genmab A/S	19/06/2024	11:56:20 AM	1,766.5000	19	XCSE
Genmab A/S	19/06/2024	11:58:59 AM	1,767.5000	3	CEUX
Genmab A/S	19/06/2024	12:00:11 PM	1,768.5000	6	CEUX
Genmab A/S	19/06/2024	12:00:11 PM	1,768.5000	11	CEUX
Genmab A/S	19/06/2024	12:00:11 PM	1,768.5000	5	TQEX
Genmab A/S	19/06/2024	12:00:11 PM	1,768.5000	18	XCSE
Genmab A/S	19/06/2024	12:00:11 PM	1,768.5000	11	CEUX
Genmab A/S	19/06/2024	12:00:11 PM	1,768.5000	5	TQEX
Genmab A/S	19/06/2024	12:00:11 PM	1,768.5000	18	XCSE
Genmab A/S	19/06/2024	12:01:06 PM	1,769.0000	2	AQEU
Genmab A/S	19/06/2024	12:01:06 PM	1,769.0000	30	XCSE
Genmab A/S	19/06/2024	12:01:06 PM	1,769.0000	2	XCSE
Genmab A/S	19/06/2024	12:01:18 PM	1,768.5000	35	XCSE
Genmab A/S	19/06/2024	12:02:36 PM	1,769.0000	44	XCSE
Genmab A/S	19/06/2024	12:02:36 PM	1,769.0000	44	XCSE
Genmab A/S	19/06/2024	12:02:36 PM	1,769.0000	16	XCSE
Genmab A/S	19/06/2024	12:02:36 PM	1,769.0000	1	XCSE

180

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	72	CEUX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	2	CEUX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	72	CEUX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	3	CEUX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	22	CEUX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	10	AQEU
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	10	AQEU
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	10	AQEU
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	11	TQEX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	10	AQEU
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	11	TQEX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	3	TQEX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	11	TQEX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	11	TQEX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	79	XCSE
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	3	XCSE
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	79	XCSE
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	27	XCSE
Genmab A/S	19/06/2024	12:02:58 PM	1,768.0000	4	XCSE
Genmab A/S	19/06/2024	12:02:58 PM	1,768.0000	10	XCSE
Genmab A/S	19/06/2024	12:02:58 PM	1,768.0000	4	XCSE
Genmab A/S	19/06/2024	12:02:58 PM	1,768.0000	18	XCSE
Genmab A/S	19/06/2024	12:02:58 PM	1,768.0000	17	CEUX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.0000	2	AQEU
Genmab A/S	19/06/2024	12:02:58 PM	1,768.0000	5	TQEX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.5000	5	XCSE
Genmab A/S	19/06/2024	12:02:58 PM	1,768.0000	10	CEUX
Genmab A/S	19/06/2024	12:02:58 PM	1,768.0000	18	XCSE
Genmab A/S	19/06/2024	12:03:01 PM	1,768.0000	10	XCSE
Genmab A/S	19/06/2024	12:03:01 PM	1,768.0000	7	CEUX
Genmab A/S	19/06/2024	12:03:01 PM	1,768.0000	7	CEUX
Genmab A/S	19/06/2024	12:03:01 PM	1,768.0000	5	TQEX
Genmab A/S	19/06/2024	12:03:01 PM	1,768.0000	5	TQEX
Genmab A/S	19/06/2024	12:03:01 PM	1,768.0000	21	XCSE
Genmab A/S	19/06/2024	12:03:01 PM	1,768.0000	36	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,769.0000	21	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,769.0000	84	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,769.0000	15	AQEU
Genmab A/S	19/06/2024	12:07:55 PM	1,769.0000	16	TQEX
Genmab A/S	19/06/2024	12:07:55 PM	1,769.0000	117	XCSE
Genmab A/S	19/06/2024	12:07:55 PM	1,768.5000	4	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.5000	6	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.5000	99	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.5000	3	AQEU
Genmab A/S	19/06/2024	12:07:55 PM	1,768.5000	16	TQEX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.5000	121	XCSE
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	4	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	8	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	4	CEUX

181

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	3	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	12	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	19	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	19	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	3	AQEU
Genmab A/S	19/06/2024	12:07:55 PM	1,768.5000	5	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.5000	8	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	21	XCSE
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	19	XCSE
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	19	CEUX
Genmab A/S	19/06/2024	12:07:55 PM	1,768.0000	14	CEUX
Genmab A/S	19/06/2024	12:12:29 PM	1,769.5000	93	XCSE
Genmab A/S	19/06/2024	12:12:29 PM	1,769.5000	12	TQEX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	8	XCSE
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	9	CEUX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	9	CEUX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	9	CEUX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	9	CEUX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	9	CEUX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	9	CEUX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	2	CEUX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	1	AQEU
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	1	AQEU
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	5	TQEX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	2	AQEU
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	8	XCSE
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	25	XCSE
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	8	XCSE
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	8	XCSE
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	5	XCSE
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	20	CEUX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	20	TQEX
Genmab A/S	19/06/2024	12:14:22 PM	1,770.5000	23	CEUX
Genmab A/S	19/06/2024	12:14:26 PM	1,770.5000	5	CEUX
Genmab A/S	19/06/2024	12:15:55 PM	1,769.5000	4	TQEX
Genmab A/S	19/06/2024	12:17:53 PM	1,770.5000	36	XCSE
Genmab A/S	19/06/2024	12:17:53 PM	1,770.5000	4	XCSE
Genmab A/S	19/06/2024	12:18:16 PM	1,771.0000	16	XCSE
Genmab A/S	19/06/2024	12:18:16 PM	1,771.0000	19	XCSE
Genmab A/S	19/06/2024	12:18:36 PM	1,771.0000	12	XCSE
Genmab A/S	19/06/2024	12:18:36 PM	1,771.0000	25	XCSE
Genmab A/S	19/06/2024	12:18:59 PM	1,770.5000	36	TQEX
Genmab A/S	19/06/2024	12:19:21 PM	1,770.5000	35	AQEU
Genmab A/S	19/06/2024	12:19:38 PM	1,770.5000	24	CEUX
Genmab A/S	19/06/2024	12:19:38 PM	1,770.5000	14	CEUX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	8	CEUX

182

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	80	CEUX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	8	CEUX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	3	CEUX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	8	CEUX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	5	CEUX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	5	TQEX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	5	TQEX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	5	TQEX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	8	XCSE
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	8	XCSE
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	23	XCSE
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	8	CEUX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	5	TQEX
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	8	XCSE
Genmab A/S	19/06/2024	12:19:45 PM	1,770.0000	16	XCSE
Genmab A/S	19/06/2024	12:20:58 PM	1,769.0000	47	CEUX
Genmab A/S	19/06/2024	12:20:58 PM	1,769.0000	50	CEUX
Genmab A/S	19/06/2024	12:20:58 PM	1,769.0000	20	CEUX
Genmab A/S	19/06/2024	12:20:58 PM	1,769.0000	15	AQEU
Genmab A/S	19/06/2024	12:20:58 PM	1,769.0000	16	TQEX
Genmab A/S	19/06/2024	12:20:58 PM	1,769.0000	2	TQEX
Genmab A/S	19/06/2024	12:20:58 PM	1,769.0000	27	XCSE
Genmab A/S	19/06/2024	12:20:58 PM	1,769.0000	104	XCSE
Genmab A/S	19/06/2024	12:20:58 PM	1,769.0000	2	CEUX
Genmab A/S	19/06/2024	12:20:58 PM	1,768.5000	5	TQEX
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	17	CEUX
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	22	CEUX
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	2	AQEU
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	3	AQEU
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	17	XCSE
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	23	XCSE
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	17	CEUX
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	22	CEUX
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	2	AQEU
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	3	AQEU
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	5	TQEX
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	11	CEUX
Genmab A/S	19/06/2024	12:21:02 PM	1,768.5000	5	TQEX
Genmab A/S	19/06/2024	12:24:15 PM	1,767.5000	9	XCSE
Genmab A/S	19/06/2024	12:25:16 PM	1,767.5000	10	CEUX
Genmab A/S	19/06/2024	12:26:31 PM	1,769.0000	28	CEUX
Genmab A/S	19/06/2024	12:26:31 PM	1,769.0000	12	XCSE
Genmab A/S	19/06/2024	12:26:31 PM	1,769.0000	1	XCSE
Genmab A/S	19/06/2024	12:26:57 PM	1,769.0000	2	AQEU
Genmab A/S	19/06/2024	12:26:57 PM	1,769.0000	9	AQEU
Genmab A/S	19/06/2024	12:26:57 PM	1,769.0000	9	TQEX
Genmab A/S	19/06/2024	12:26:57 PM	1,769.0000	17	XCSE
Genmab A/S	19/06/2024	12:26:57 PM	1,769.0000	2	XCSE
Genmab A/S	19/06/2024	12:27:13 PM	1,769.0000	2	AQEU

183

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	12:27:13 PM	1,769.0000	11	XCSE
Genmab A/S	19/06/2024	12:27:13 PM	1,769.0000	25	XCSE
Genmab A/S	19/06/2024	12:27:36 PM	1,769.0000	6	CEUX
Genmab A/S	19/06/2024	12:27:36 PM	1,769.0000	9	CEUX
Genmab A/S	19/06/2024	12:27:36 PM	1,769.0000	21	CEUX
Genmab A/S	19/06/2024	12:27:37 PM	1,768.0000	3	CEUX
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	9	CEUX
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	10	CEUX
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	12	CEUX
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	3	CEUX
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	2	AQEU
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	2	AQEU
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	2	AQEU
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	2	AQEU
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	12	XCSE
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	11	XCSE
Genmab A/S	19/06/2024	12:27:38 PM	1,768.0000	6	CEUX
Genmab A/S	19/06/2024	12:28:43 PM	1,768.5000	12	TQEX
Genmab A/S	19/06/2024	12:28:43 PM	1,768.5000	6	TQEX
Genmab A/S	19/06/2024	12:28:59 PM	1,768.0000	35	CEUX
Genmab A/S	19/06/2024	12:28:59 PM	1,768.0000	2	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	71	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	43	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	35	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	8	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	22	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	8	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	32	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	6	AQEU
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	3	AQEU
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	9	AQEU
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	2	AQEU
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	9	AQEU
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	9	AQEU
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	2	AQEU
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	5	AQEU
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	10	TQEX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	10	TQEX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	7	TQEX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.5000	20	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	24	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	23	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	25	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	17	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	14	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	16	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	23	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	6	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	19	XCSE

184

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	25	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	31	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	4	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	21	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	2	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	20	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	22	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	21	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	21	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	22	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	22	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	8	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	13	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	22	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	11	CEUX
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	3	AQEU
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	45	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	45	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	30	XCSE
Genmab A/S	19/06/2024	12:29:05 PM	1,767.0000	12	XCSE
Genmab A/S	19/06/2024	12:35:13 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	12:35:13 PM	1,765.5000	5	TQEX
Genmab A/S	19/06/2024	12:35:13 PM	1,765.5000	5	TQEX

​

185

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Issuer	Date	Time CEST	Price (DKK)	Quantity	Venue

​

Genmab A/S	19/06/2024	12:35:13 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:35:13 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:35:13 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	9	CEUX
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	9	CEUX
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	2	CEUX
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	1	AQEU
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	5	TQEX
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	1	TQEX
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	8	XCSE
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	38	XCSE
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	7	CEUX
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	2	CEUX
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	1	TQEX
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	4	TQEX
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	36	CEUX
Genmab A/S	19/06/2024	12:36:09 PM	1,764.5000	2	XCSE
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	39	XCSE
Genmab A/S	19/06/2024	12:36:09 PM	1,765.0000	21	XCSE
Genmab A/S	19/06/2024	12:39:31 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:39:31 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:37 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:37 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:37 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:37 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:39:37 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:39:37 PM	1,765.5000	2	CEUX
Genmab A/S	19/06/2024	12:39:37 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:39:37 PM	1,765.5000	9	CEUX
Genmab A/S	19/06/2024	12:39:40 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	7	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	5	XCSE
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	6	XCSE
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	1	XCSE
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	38	XCSE
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	CEUX

1

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	10	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	1	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:39:42 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:41:07 PM	1,764.5000	22	XCSE
Genmab A/S	19/06/2024	12:41:07 PM	1,764.5000	43	XCSE
Genmab A/S	19/06/2024	12:43:48 PM	1,765.0000	70	XCSE
Genmab A/S	19/06/2024	12:43:48 PM	1,765.0000	45	XCSE
Genmab A/S	19/06/2024	12:43:48 PM	1,765.0000	63	CEUX
Genmab A/S	19/06/2024	12:43:48 PM	1,765.0000	41	CEUX
Genmab A/S	19/06/2024	12:43:48 PM	1,765.0000	10	TQEX
Genmab A/S	19/06/2024	12:43:48 PM	1,765.0000	6	TQEX
Genmab A/S	19/06/2024	12:45:39 PM	1,765.5000	20	XCSE
Genmab A/S	19/06/2024	12:45:39 PM	1,765.5000	87	XCSE
Genmab A/S	19/06/2024	12:45:39 PM	1,765.5000	95	CEUX
Genmab A/S	19/06/2024	12:45:39 PM	1,765.5000	14	AQEU
Genmab A/S	19/06/2024	12:45:39 PM	1,765.5000	15	TQEX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	8	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	3	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE

2

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	30	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	3	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	9	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	6	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	11	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	9	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	9	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	9	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,765.5000	5	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,764.5000	21	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,764.5000	3	AQEU
Genmab A/S	19/06/2024	12:48:43 PM	1,764.5000	5	TQEX
Genmab A/S	19/06/2024	12:48:43 PM	1,764.5000	8	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,764.5000	14	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,764.5000	36	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,764.5000	10	XCSE
Genmab A/S	19/06/2024	12:48:43 PM	1,764.5000	21	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,764.5000	15	CEUX
Genmab A/S	19/06/2024	12:48:43 PM	1,764.5000	12	XCSE
Genmab A/S	19/06/2024	12:48:44 PM	1,764.5000	34	XCSE
Genmab A/S	19/06/2024	12:48:44 PM	1,764.5000	9	XCSE
Genmab A/S	19/06/2024	12:48:44 PM	1,764.5000	42	XCSE
Genmab A/S	19/06/2024	12:48:44 PM	1,764.5000	15	XCSE
Genmab A/S	19/06/2024	12:51:21 PM	1,762.5000	65	XCSE
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	20	XCSE
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	9	XCSE
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	11	XCSE
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	9	XCSE
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	5	XCSE

3

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	20	CEUX
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	20	CEUX
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	11	CEUX
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	2	AQEU
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	2	AQEU
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	2	AQEU
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	2	AQEU
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	2	AQEU
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	2	AQEU
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	5	TQEX
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	5	TQEX
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	2	AQEU
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	2	AQEU
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	36	CEUX
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	5	CEUX
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	9	AQEU
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	9	TQEX
Genmab A/S	19/06/2024	12:51:21 PM	1,762.0000	7	XCSE
Genmab A/S	19/06/2024	12:56:47 PM	1,764.0000	21	XCSE
Genmab A/S	19/06/2024	12:58:17 PM	1,764.5000	80	CEUX
Genmab A/S	19/06/2024	12:58:23 PM	1,764.5000	12	TQEX
Genmab A/S	19/06/2024	12:58:23 PM	1,764.5000	89	XCSE
Genmab A/S	19/06/2024	12:58:23 PM	1,764.5000	12	TQEX
Genmab A/S	19/06/2024	1:01:21 PM	1,766.0000	1	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	3	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	3	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	36	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	9	AQEU
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	28	XCSE

4

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	15	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	28	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.5000	7	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	50	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	25	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	35	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	11	AQEU
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	4	CEUX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	12	TQEX
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	45	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	39	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	35	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	20	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	73	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	39	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	21	XCSE
Genmab A/S	19/06/2024	1:01:37 PM	1,765.0000	2	AQEU
Genmab A/S	19/06/2024	1:04:27 PM	1,763.5000	29	XCSE
Genmab A/S	19/06/2024	1:04:27 PM	1,763.5000	18	XCSE
Genmab A/S	19/06/2024	1:04:27 PM	1,763.5000	18	XCSE
Genmab A/S	19/06/2024	1:04:27 PM	1,763.5000	15	CEUX
Genmab A/S	19/06/2024	1:04:27 PM	1,763.5000	15	TQEX
Genmab A/S	19/06/2024	1:05:59 PM	1,765.0000	15	XCSE
Genmab A/S	19/06/2024	1:09:25 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	1:09:25 PM	1,765.5000	7	XCSE
Genmab A/S	19/06/2024	1:10:28 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	1:10:28 PM	1,765.5000	87	XCSE
Genmab A/S	19/06/2024	1:10:28 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	1:10:28 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:10:28 PM	1,765.5000	13	CEUX
Genmab A/S	19/06/2024	1:10:45 PM	1,765.5000	10	XCSE
Genmab A/S	19/06/2024	1:10:45 PM	1,765.5000	55	XCSE
Genmab A/S	19/06/2024	1:10:55 PM	1,765.5000	5	CEUX
Genmab A/S	19/06/2024	1:10:55 PM	1,765.5000	5	TQEX
Genmab A/S	19/06/2024	1:11:03 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	1:11:03 PM	1,765.5000	43	XCSE
Genmab A/S	19/06/2024	1:11:03 PM	1,765.5000	7	CEUX
Genmab A/S	19/06/2024	1:11:03 PM	1,765.5000	38	XCSE
Genmab A/S	19/06/2024	1:11:03 PM	1,765.5000	26	XCSE

5

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	1:11:06 PM	1,765.5000	16	XCSE
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	21	XCSE
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	20	XCSE
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	21	XCSE
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	20	XCSE
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	1:11:13 PM	1,765.0000	9	AQEU
Genmab A/S	19/06/2024	1:15:14 PM	1,766.5000	50	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.5000	56	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.5000	15	AQEU
Genmab A/S	19/06/2024	1:15:14 PM	1,766.5000	16	TQEX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	10	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.5000	61	XCSE
Genmab A/S	19/06/2024	1:15:14 PM	1,766.5000	57	XCSE
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	21	XCSE
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	20	XCSE
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	10	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	18	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	18	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	2	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	8	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	3	AQEU
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	3	AQEU
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	10	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	21	XCSE
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	20	XCSE
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	21	XCSE
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	20	XCSE
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	20	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	7	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	11	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	3	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	8	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	35	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	14	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	25	XCSE
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	6	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	18	CEUX
Genmab A/S	19/06/2024	1:15:14 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	46	XCSE
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	26	XCSE
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	19	XCSE
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	46	XCSE
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	4	XCSE

6

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	22	XCSE
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	46	XCSE
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	22	XCSE
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	14	XCSE
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	23	CEUX
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	23	CEUX
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	13	CEUX
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	4	AQEU
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	4	AQEU
Genmab A/S	19/06/2024	1:19:00 PM	1,763.0000	37	CEUX
Genmab A/S	19/06/2024	1:25:56 PM	1,761.5000	88	XCSE
Genmab A/S	19/06/2024	1:28:09 PM	1,764.0000	40	XCSE
Genmab A/S	19/06/2024	1:28:19 PM	1,764.0000	20	CEUX
Genmab A/S	19/06/2024	1:28:19 PM	1,764.0000	2	CEUX
Genmab A/S	19/06/2024	1:28:19 PM	1,764.0000	10	XCSE
Genmab A/S	19/06/2024	1:28:19 PM	1,764.0000	2	XCSE
Genmab A/S	19/06/2024	1:28:45 PM	1,764.0000	9	CEUX
Genmab A/S	19/06/2024	1:28:47 PM	1,764.0000	8	CEUX
Genmab A/S	19/06/2024	1:28:52 PM	1,764.0000	8	CEUX
Genmab A/S	19/06/2024	1:28:57 PM	1,764.0000	1	CEUX
Genmab A/S	19/06/2024	1:32:32 PM	1,764.5000	12	XCSE
Genmab A/S	19/06/2024	1:33:07 PM	1,765.0000	13	XCSE
Genmab A/S	19/06/2024	1:33:07 PM	1,765.0000	9	XCSE
Genmab A/S	19/06/2024	1:33:07 PM	1,765.0000	13	XCSE
Genmab A/S	19/06/2024	1:33:08 PM	1,764.5000	12	XCSE
Genmab A/S	19/06/2024	1:33:35 PM	1,764.5000	2	CEUX
Genmab A/S	19/06/2024	1:33:45 PM	1,764.5000	10	XCSE
Genmab A/S	19/06/2024	1:34:19 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:19 PM	1,766.0000	16	AQEU
Genmab A/S	19/06/2024	1:34:19 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:19 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:20 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:20 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:20 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:20 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:21 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:22 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:22 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:23 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:23 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:24 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:24 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:26 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:26 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:27 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:27 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:27 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:34:28 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:30 PM	1,766.0000	2	AQEU

7

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	1:35:31 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:31 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:31 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:31 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:32 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:33 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:33 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:34 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:34 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:34 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:35 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:35 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:35 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:36 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:36 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:36 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:37 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:37 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:37 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:37 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:37 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:38 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:38 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:40 PM	1,766.0000	9	AQEU
Genmab A/S	19/06/2024	1:35:40 PM	1,766.0000	2	AQEU
Genmab A/S	19/06/2024	1:35:57 PM	1,765.5000	43	CEUX
Genmab A/S	19/06/2024	1:35:57 PM	1,765.5000	24	CEUX
Genmab A/S	19/06/2024	1:35:57 PM	1,765.5000	19	CEUX
Genmab A/S	19/06/2024	1:35:57 PM	1,765.5000	7	AQEU
Genmab A/S	19/06/2024	1:35:57 PM	1,765.5000	14	XCSE
Genmab A/S	19/06/2024	1:35:57 PM	1,765.5000	34	XCSE
Genmab A/S	19/06/2024	1:35:57 PM	1,765.5000	39	XCSE
Genmab A/S	19/06/2024	1:35:57 PM	1,765.5000	48	XCSE
Genmab A/S	19/06/2024	1:35:57 PM	1,765.5000	8	XCSE
Genmab A/S	19/06/2024	1:36:53 PM	1,766.0000	23	XCSE
Genmab A/S	19/06/2024	1:36:53 PM	1,766.0000	45	XCSE
Genmab A/S	19/06/2024	1:37:01 PM	1,766.0000	45	XCSE
Genmab A/S	19/06/2024	1:37:01 PM	1,766.0000	21	XCSE
Genmab A/S	19/06/2024	1:37:16 PM	1,767.0000	8	CEUX
Genmab A/S	19/06/2024	1:37:26 PM	1,766.5000	41	CEUX
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	23	XCSE
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	46	XCSE
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	22	XCSE
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	22	CEUX
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	41	CEUX
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	3	AQEU
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	6	AQEU
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	1	XCSE
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	46	XCSE

8

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	23	XCSE
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	27	XCSE
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	19	XCSE
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	23	XCSE
Genmab A/S	19/06/2024	1:39:05 PM	1,767.0000	4	XCSE
Genmab A/S	19/06/2024	1:39:07 PM	1,769.0000	9	CEUX
Genmab A/S	19/06/2024	1:39:07 PM	1,769.0000	14	XCSE
Genmab A/S	19/06/2024	1:39:32 PM	1,769.5000	46	XCSE
Genmab A/S	19/06/2024	1:39:32 PM	1,769.5000	10	CEUX
Genmab A/S	19/06/2024	1:39:32 PM	1,769.5000	47	CEUX
Genmab A/S	19/06/2024	1:39:32 PM	1,769.5000	9	CEUX
Genmab A/S	19/06/2024	1:39:32 PM	1,769.5000	46	XCSE
Genmab A/S	19/06/2024	1:39:32 PM	1,769.5000	14	XCSE
Genmab A/S	19/06/2024	1:39:32 PM	1,769.5000	32	XCSE
Genmab A/S	19/06/2024	1:39:32 PM	1,769.5000	14	XCSE
Genmab A/S	19/06/2024	1:39:32 PM	1,769.5000	44	XCSE
Genmab A/S	19/06/2024	1:39:32 PM	1,769.5000	3	XCSE
Genmab A/S	19/06/2024	1:41:00 PM	1,769.5000	20	CEUX
Genmab A/S	19/06/2024	1:41:00 PM	1,769.5000	9	CEUX
Genmab A/S	19/06/2024	1:41:00 PM	1,769.5000	1	CEUX
Genmab A/S	19/06/2024	1:41:00 PM	1,769.5000	8	CEUX
Genmab A/S	19/06/2024	1:41:00 PM	1,769.5000	1	AQEU
Genmab A/S	19/06/2024	1:41:13 PM	1,769.5000	6	AQEU
Genmab A/S	19/06/2024	1:41:13 PM	1,769.5000	25	XCSE
Genmab A/S	19/06/2024	1:41:13 PM	1,769.5000	8	XCSE
Genmab A/S	19/06/2024	1:41:38 PM	1,769.5000	4	AQEU
Genmab A/S	19/06/2024	1:41:38 PM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	1:41:38 PM	1,769.5000	12	TQEX
Genmab A/S	19/06/2024	1:41:38 PM	1,769.5000	16	TQEX
Genmab A/S	19/06/2024	1:41:38 PM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	1:42:01 PM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	1:42:01 PM	1,769.5000	16	TQEX
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	51	CEUX
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	7	AQEU
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	3	CEUX
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	48	CEUX
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	55	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	55	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	38	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	21	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	34	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	9	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	14	CEUX
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	12	CEUX
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	8	CEUX
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	7	AQEU
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	7	AQEU
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	17	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	30	XCSE

9

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	1:43:40 PM	1,769.0000	32	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,768.0000	3	AQEU
Genmab A/S	19/06/2024	1:43:40 PM	1,768.0000	3	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,768.0000	20	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,768.0000	20	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,768.0000	3	XCSE
Genmab A/S	19/06/2024	1:43:40 PM	1,768.0000	45	XCSE
Genmab A/S	19/06/2024	1:48:17 PM	1,769.5000	20	XCSE
Genmab A/S	19/06/2024	1:48:28 PM	1,769.5000	35	CEUX
Genmab A/S	19/06/2024	1:48:28 PM	1,769.5000	36	CEUX
Genmab A/S	19/06/2024	1:48:28 PM	1,769.5000	10	CEUX
Genmab A/S	19/06/2024	1:48:28 PM	1,769.5000	19	XCSE
Genmab A/S	19/06/2024	1:48:28 PM	1,769.5000	52	XCSE
Genmab A/S	19/06/2024	1:48:28 PM	1,769.5000	35	CEUX
Genmab A/S	19/06/2024	1:48:28 PM	1,769.5000	39	XCSE
Genmab A/S	19/06/2024	1:48:47 PM	1,769.5000	39	XCSE
Genmab A/S	19/06/2024	1:48:47 PM	1,769.5000	35	CEUX
Genmab A/S	19/06/2024	1:49:55 PM	1,769.0000	45	XCSE
Genmab A/S	19/06/2024	1:49:55 PM	1,769.0000	24	XCSE
Genmab A/S	19/06/2024	1:49:55 PM	1,769.0000	62	XCSE
Genmab A/S	19/06/2024	1:49:55 PM	1,769.5000	39	XCSE
Genmab A/S	19/06/2024	1:49:55 PM	1,769.5000	105	XCSE
Genmab A/S	19/06/2024	1:49:55 PM	1,769.5000	35	CEUX
Genmab A/S	19/06/2024	1:52:33 PM	1,770.0000	19	CEUX
Genmab A/S	19/06/2024	1:52:33 PM	1,770.0000	5	TQEX
Genmab A/S	19/06/2024	1:52:33 PM	1,770.0000	20	XCSE
Genmab A/S	19/06/2024	1:52:33 PM	1,770.0000	25	XCSE
Genmab A/S	19/06/2024	1:52:33 PM	1,770.0000	19	CEUX
Genmab A/S	19/06/2024	1:52:33 PM	1,770.0000	5	TQEX
Genmab A/S	19/06/2024	1:54:38 PM	1,771.0000	10	CEUX
Genmab A/S	19/06/2024	1:54:38 PM	1,771.0000	2	CEUX
Genmab A/S	19/06/2024	1:54:38 PM	1,771.0000	10	XCSE
Genmab A/S	19/06/2024	1:55:40 PM	1,771.0000	21	CEUX
Genmab A/S	19/06/2024	1:55:40 PM	1,771.0000	2	CEUX
Genmab A/S	19/06/2024	1:55:40 PM	1,771.0000	9	AQEU
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	36	XCSE
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	14	XCSE
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	46	XCSE
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	60	XCSE
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	7	XCSE
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	30	XCSE
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	16	XCSE
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	16	XCSE
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	30	XCSE
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	6	AQEU
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	6	AQEU
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	6	AQEU
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	6	AQEU
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	6	AQEU

10

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	6	AQEU
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	6	AQEU
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	3	AQEU
Genmab A/S	19/06/2024	1:56:22 PM	1,771.0000	17	CEUX
Genmab A/S	19/06/2024	1:56:22 PM	1,770.5000	26	XCSE
Genmab A/S	19/06/2024	1:58:32 PM	1,770.0000	14	XCSE
Genmab A/S	19/06/2024	1:58:32 PM	1,770.0000	5	XCSE
Genmab A/S	19/06/2024	1:58:32 PM	1,770.0000	61	XCSE
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	2	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	33	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	33	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	5	AQEU
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	3	AQEU
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	3	AQEU
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	31	XCSE
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	7	XCSE
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	38	XCSE
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	19	XCSE
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	2	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	33	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	2	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	2	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	5	AQEU
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	2	AQEU
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	2	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	16	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	4	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	11	CEUX
Genmab A/S	19/06/2024	1:58:32 PM	1,769.5000	4	CEUX
Genmab A/S	19/06/2024	2:01:05 PM	1,769.5000	12	XCSE
Genmab A/S	19/06/2024	2:01:05 PM	1,769.5000	11	CEUX
Genmab A/S	19/06/2024	2:01:05 PM	1,769.5000	1	CEUX
Genmab A/S	19/06/2024	2:01:05 PM	1,769.5000	12	CEUX
Genmab A/S	19/06/2024	2:01:05 PM	1,769.5000	2	CEUX
Genmab A/S	19/06/2024	2:01:32 PM	1,769.5000	4	XCSE
Genmab A/S	19/06/2024	2:01:32 PM	1,769.5000	33	XCSE
Genmab A/S	19/06/2024	2:01:49 PM	1,769.5000	3	CEUX
Genmab A/S	19/06/2024	2:01:49 PM	1,769.5000	11	CEUX
Genmab A/S	19/06/2024	2:01:49 PM	1,769.5000	1	CEUX
Genmab A/S	19/06/2024	2:01:49 PM	1,769.5000	3	AQEU
Genmab A/S	19/06/2024	2:01:49 PM	1,769.5000	20	AQEU
Genmab A/S	19/06/2024	2:02:16 PM	1,769.0000	51	CEUX
Genmab A/S	19/06/2024	2:03:15 PM	1,769.5000	9	AQEU
Genmab A/S	19/06/2024	2:03:20 PM	1,769.0000	57	XCSE
Genmab A/S	19/06/2024	2:03:20 PM	1,769.0000	57	XCSE
Genmab A/S	19/06/2024	2:03:20 PM	1,769.0000	51	CEUX

11

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	2:03:20 PM	1,769.0000	51	CEUX
Genmab A/S	19/06/2024	2:03:20 PM	1,769.0000	8	AQEU
Genmab A/S	19/06/2024	2:07:27 PM	1,770.5000	45	XCSE
Genmab A/S	19/06/2024	2:07:27 PM	1,770.5000	44	XCSE
Genmab A/S	19/06/2024	2:07:27 PM	1,770.5000	21	XCSE
Genmab A/S	19/06/2024	2:07:38 PM	1,770.5000	35	XCSE
Genmab A/S	19/06/2024	2:08:09 PM	1,771.0000	4	XCSE
Genmab A/S	19/06/2024	2:08:09 PM	1,771.0000	30	XCSE
Genmab A/S	19/06/2024	2:08:09 PM	1,771.0000	9	XCSE
Genmab A/S	19/06/2024	2:08:10 PM	1,771.0000	13	AQEU
Genmab A/S	19/06/2024	2:08:10 PM	1,771.0000	16	CEUX
Genmab A/S	19/06/2024	2:08:10 PM	1,771.0000	4	CEUX
Genmab A/S	19/06/2024	2:08:10 PM	1,771.0000	3	AQEU
Genmab A/S	19/06/2024	2:08:10 PM	1,771.0000	5	TQEX
Genmab A/S	19/06/2024	2:08:10 PM	1,771.0000	22	XCSE
Genmab A/S	19/06/2024	2:08:10 PM	1,771.0000	5	XCSE
Genmab A/S	19/06/2024	2:08:35 PM	1,771.0000	46	XCSE
Genmab A/S	19/06/2024	2:08:35 PM	1,771.0000	23	CEUX
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	36	XCSE
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	10	XCSE
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	68	XCSE
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	3	XCSE
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	9	XCSE
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	39	CEUX
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	12	CEUX
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	1	XCSE
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	4	XCSE
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	42	XCSE
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	33	XCSE
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	19	XCSE
Genmab A/S	19/06/2024	2:10:35 PM	1,771.0000	24	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	16	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	13	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	14	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	28	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	28	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	38	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	50	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	9	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	5	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU

12

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	7	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	7	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	7	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	7	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	3	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	28	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	13	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	4	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	2	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	13	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	12	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	13	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	13	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	23	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	38	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	74	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	27	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,771.0000	17	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	15	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	6	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	21	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	6	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	3	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	3	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	15	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	3	AQEU
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	21	CEUX
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	23	XCSE
Genmab A/S	19/06/2024	2:10:45 PM	1,770.5000	12	XCSE
Genmab A/S	19/06/2024	2:10:46 PM	1,770.5000	21	CEUX
Genmab A/S	19/06/2024	2:10:46 PM	1,770.5000	2	CEUX
Genmab A/S	19/06/2024	2:10:46 PM	1,770.5000	3	AQEU

13

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	2:10:46 PM	1,770.5000	23	XCSE
Genmab A/S	19/06/2024	2:10:46 PM	1,770.5000	33	CEUX
Genmab A/S	19/06/2024	2:15:53 PM	1,767.0000	25	CEUX
Genmab A/S	19/06/2024	2:15:53 PM	1,767.0000	25	XCSE
Genmab A/S	19/06/2024	2:15:53 PM	1,767.0000	28	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	8	CEUX
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	46	CEUX
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	46	CEUX
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	8	CEUX
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	38	CEUX
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	8	CEUX
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	5	CEUX
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	4	AQEU
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	4	AQEU
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	4	AQEU
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	4	AQEU
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	4	AQEU
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	8	AQEU
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	8	AQEU
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	8	AQEU
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	37	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	9	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	13	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	9	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	30	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	39	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,767.0000	38	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,766.5000	20	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,766.5000	20	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,766.5000	18	CEUX
Genmab A/S	19/06/2024	2:16:26 PM	1,766.5000	18	CEUX
Genmab A/S	19/06/2024	2:16:26 PM	1,766.5000	3	AQEU
Genmab A/S	19/06/2024	2:16:26 PM	1,766.5000	3	AQEU
Genmab A/S	19/06/2024	2:16:26 PM	1,766.5000	20	XCSE
Genmab A/S	19/06/2024	2:16:26 PM	1,766.5000	18	CEUX
Genmab A/S	19/06/2024	2:16:27 PM	1,766.5000	18	CEUX
Genmab A/S	19/06/2024	2:16:27 PM	1,766.5000	20	XCSE
Genmab A/S	19/06/2024	2:16:27 PM	1,766.5000	18	XCSE
Genmab A/S	19/06/2024	2:16:27 PM	1,767.0000	1	XCSE
Genmab A/S	19/06/2024	2:16:27 PM	1,766.5000	16	CEUX
Genmab A/S	19/06/2024	2:16:27 PM	1,766.5000	3	AQEU
Genmab A/S	19/06/2024	2:16:27 PM	1,766.5000	3	AQEU
Genmab A/S	19/06/2024	2:16:27 PM	1,766.5000	3	AQEU
Genmab A/S	19/06/2024	2:16:27 PM	1,766.5000	3	AQEU
Genmab A/S	19/06/2024	2:16:27 PM	1,766.5000	27	CEUX
Genmab A/S	19/06/2024	2:21:50 PM	1,766.0000	1	CEUX
Genmab A/S	19/06/2024	2:21:50 PM	1,766.0000	9	CEUX
Genmab A/S	19/06/2024	2:23:06 PM	1,766.0000	32	XCSE
Genmab A/S	19/06/2024	2:24:31 PM	1,767.0000	6	CEUX

14

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	2:24:31 PM	1,767.0000	12	XCSE
Genmab A/S	19/06/2024	2:24:44 PM	1,767.0000	5	CEUX
Genmab A/S	19/06/2024	2:24:44 PM	1,767.0000	15	CEUX
Genmab A/S	19/06/2024	2:24:44 PM	1,767.0000	11	XCSE
Genmab A/S	19/06/2024	2:26:01 PM	1,767.0000	18	XCSE
Genmab A/S	19/06/2024	2:26:09 PM	1,766.5000	1	CEUX
Genmab A/S	19/06/2024	2:26:14 PM	1,766.5000	10	XCSE
Genmab A/S	19/06/2024	2:26:14 PM	1,766.5000	9	CEUX
Genmab A/S	19/06/2024	2:26:14 PM	1,766.5000	10	CEUX
Genmab A/S	19/06/2024	2:26:14 PM	1,766.5000	10	XCSE
Genmab A/S	19/06/2024	2:27:03 PM	1,767.0000	36	CEUX
Genmab A/S	19/06/2024	2:27:03 PM	1,767.0000	3	CEUX
Genmab A/S	19/06/2024	2:27:03 PM	1,767.0000	25	XCSE
Genmab A/S	19/06/2024	2:27:04 PM	1,767.0000	36	CEUX
Genmab A/S	19/06/2024	2:27:04 PM	1,767.0000	14	XCSE
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	52	CEUX
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	23	CEUX
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	29	CEUX
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	29	CEUX
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	10	CEUX
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	8	AQEU
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	8	AQEU
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	57	XCSE
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	1	XCSE
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	26	XCSE
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	32	XCSE
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	26	XCSE
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	32	XCSE
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	58	XCSE
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	13	CEUX
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	36	CEUX
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	3	CEUX
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	8	AQEU
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	43	XCSE
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	13	CEUX
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	72	XCSE
Genmab A/S	19/06/2024	2:28:30 PM	1,766.5000	12	XCSE
Genmab A/S	19/06/2024	2:29:31 PM	1,764.5000	19	CEUX
Genmab A/S	19/06/2024	2:29:31 PM	1,764.5000	12	CEUX
Genmab A/S	19/06/2024	2:29:44 PM	1,764.5000	19	CEUX
Genmab A/S	19/06/2024	2:29:44 PM	1,764.5000	3	AQEU
Genmab A/S	19/06/2024	2:29:44 PM	1,764.5000	3	AQEU
Genmab A/S	19/06/2024	2:29:44 PM	1,764.5000	3	AQEU
Genmab A/S	19/06/2024	2:29:44 PM	1,764.5000	6	XCSE
Genmab A/S	19/06/2024	2:29:44 PM	1,764.5000	14	XCSE
Genmab A/S	19/06/2024	2:29:44 PM	1,764.5000	74	XCSE
Genmab A/S	19/06/2024	2:29:44 PM	1,764.5000	19	CEUX
Genmab A/S	19/06/2024	2:29:44 PM	1,764.5000	3	AQEU
Genmab A/S	19/06/2024	2:29:44 PM	1,764.5000	19	CEUX

15

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	2:31:04 PM	1,765.0000	48	CEUX
Genmab A/S	19/06/2024	2:31:04 PM	1,765.0000	36	CEUX
Genmab A/S	19/06/2024	2:31:04 PM	1,765.0000	20	CEUX
Genmab A/S	19/06/2024	2:31:04 PM	1,765.0000	6	CEUX
Genmab A/S	19/06/2024	2:31:04 PM	1,765.0000	25	XCSE
Genmab A/S	19/06/2024	2:31:04 PM	1,765.0000	49	CEUX
Genmab A/S	19/06/2024	2:33:18 PM	1,764.5000	33	XCSE
Genmab A/S	19/06/2024	2:33:18 PM	1,764.5000	32	XCSE
Genmab A/S	19/06/2024	2:33:37 PM	1,764.5000	33	XCSE
Genmab A/S	19/06/2024	2:33:37 PM	1,764.5000	92	XCSE
Genmab A/S	19/06/2024	2:34:45 PM	1,764.5000	33	XCSE
Genmab A/S	19/06/2024	2:35:38 PM	1,764.5000	33	XCSE
Genmab A/S	19/06/2024	2:35:38 PM	1,764.5000	31	XCSE
Genmab A/S	19/06/2024	2:35:38 PM	1,764.5000	30	CEUX
Genmab A/S	19/06/2024	2:35:38 PM	1,764.5000	30	CEUX
Genmab A/S	19/06/2024	2:35:38 PM	1,764.5000	3	CEUX
Genmab A/S	19/06/2024	2:35:38 PM	1,764.5000	30	CEUX
Genmab A/S	19/06/2024	2:35:38 PM	1,764.5000	3	AQEU
Genmab A/S	19/06/2024	2:35:38 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	2:35:38 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	2:36:50 PM	1,765.0000	40	XCSE
Genmab A/S	19/06/2024	2:37:38 PM	1,765.5000	10	TQEX
Genmab A/S	19/06/2024	2:37:38 PM	1,765.5000	6	TQEX
Genmab A/S	19/06/2024	2:37:38 PM	1,765.5000	11	TQEX
Genmab A/S	19/06/2024	2:37:51 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	2:38:05 PM	1,766.0000	8	TQEX
Genmab A/S	19/06/2024	2:38:05 PM	1,766.0000	9	TQEX
Genmab A/S	19/06/2024	2:39:26 PM	1,766.0000	6	CEUX
Genmab A/S	19/06/2024	2:39:26 PM	1,766.0000	6	CEUX
Genmab A/S	19/06/2024	2:39:27 PM	1,766.0000	5	CEUX
Genmab A/S	19/06/2024	2:39:27 PM	1,766.0000	5	CEUX
Genmab A/S	19/06/2024	2:39:28 PM	1,766.0000	5	CEUX
Genmab A/S	19/06/2024	2:39:28 PM	1,766.0000	6	CEUX
Genmab A/S	19/06/2024	2:39:28 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	2:39:28 PM	1,765.5000	47	XCSE
Genmab A/S	19/06/2024	2:39:28 PM	1,765.5000	12	CEUX
Genmab A/S	19/06/2024	2:39:28 PM	1,766.0000	9	TQEX
Genmab A/S	19/06/2024	2:39:36 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	2:40:28 PM	1,765.5000	12	CEUX
Genmab A/S	19/06/2024	2:40:28 PM	1,765.5000	2	AQEU
Genmab A/S	19/06/2024	2:40:28 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	2:40:28 PM	1,765.5000	11	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	43	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	14	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	49	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	49	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	19	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	6	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	9	CEUX

16

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	20	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	9	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	53	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	50	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	3	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	50	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	8	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	8	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	1	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	17	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	7	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	7	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	7	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	7	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	7	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	7	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.5000	3	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	6	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	10	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	20	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	17	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	26	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	33	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	58	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	33	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	26	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	7	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	26	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	59	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	39	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	20	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	12	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	47	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	17	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	36	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	17	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	30	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	23	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	53	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	8	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	59	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	48	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,764.5000	5	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	53	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	3	CEUX
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	8	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	8	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	8	AQEU
Genmab A/S	19/06/2024	2:40:45 PM	1,765.0000	8	AQEU

17

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	2:40:45 PM	1,763.5000	22	XCSE
Genmab A/S	19/06/2024	2:40:45 PM	1,763.5000	18	XCSE
Genmab A/S	19/06/2024	2:40:46 PM	1,763.5000	20	CEUX
Genmab A/S	19/06/2024	2:40:46 PM	1,763.5000	18	CEUX
Genmab A/S	19/06/2024	2:40:46 PM	1,763.5000	22	XCSE
Genmab A/S	19/06/2024	2:40:46 PM	1,763.5000	16	XCSE
Genmab A/S	19/06/2024	2:40:52 PM	1,763.5000	4	CEUX
Genmab A/S	19/06/2024	2:40:52 PM	1,763.5000	16	CEUX
Genmab A/S	19/06/2024	2:40:52 PM	1,763.5000	22	XCSE
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	20	XCSE
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	20	XCSE
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	10	XCSE
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	19	CEUX
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	19	CEUX
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	14	CEUX
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	19	CEUX
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	14	CEUX
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	3	AQEU
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	3	AQEU
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	7	XCSE
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	13	XCSE
Genmab A/S	19/06/2024	2:44:49 PM	1,763.5000	10	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	20	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	20	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	19	CEUX
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	8	CEUX
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	19	CEUX
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	3	AQEU
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	8	AQEU
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	3	AQEU
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	20	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	12	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.0000	23	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.0000	23	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.0000	23	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	7	CEUX
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	3	AQEU
Genmab A/S	19/06/2024	2:44:50 PM	1,763.5000	22	CEUX
Genmab A/S	19/06/2024	2:44:50 PM	1,763.0000	9	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.0000	5	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.0000	12	CEUX
Genmab A/S	19/06/2024	2:44:50 PM	1,763.0000	3	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.0000	3	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.0000	3	XCSE
Genmab A/S	19/06/2024	2:44:50 PM	1,763.0000	46	XCSE
Genmab A/S	19/06/2024	2:50:37 PM	1,764.0000	55	XCSE
Genmab A/S	19/06/2024	2:50:37 PM	1,764.0000	13	XCSE
Genmab A/S	19/06/2024	2:50:37 PM	1,764.0000	29	XCSE
Genmab A/S	19/06/2024	2:52:44 PM	1,765.0000	62	CEUX

18

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	2:52:44 PM	1,765.0000	16	CEUX
Genmab A/S	19/06/2024	2:52:44 PM	1,765.0000	56	CEUX
Genmab A/S	19/06/2024	2:52:44 PM	1,765.0000	8	AQEU
Genmab A/S	19/06/2024	2:52:44 PM	1,765.0000	39	XCSE
Genmab A/S	19/06/2024	2:52:44 PM	1,765.0000	23	XCSE
Genmab A/S	19/06/2024	2:52:56 PM	1,765.0000	25	CEUX
Genmab A/S	19/06/2024	2:52:56 PM	1,765.0000	62	XCSE
Genmab A/S	19/06/2024	2:52:56 PM	1,765.0000	62	XCSE
Genmab A/S	19/06/2024	2:52:56 PM	1,765.0000	26	XCSE
Genmab A/S	19/06/2024	2:52:56 PM	1,765.0000	31	CEUX
Genmab A/S	19/06/2024	2:52:56 PM	1,765.0000	46	CEUX
Genmab A/S	19/06/2024	2:52:56 PM	1,765.0000	10	CEUX
Genmab A/S	19/06/2024	2:52:56 PM	1,765.0000	8	AQEU
Genmab A/S	19/06/2024	2:52:56 PM	1,764.5000	13	XCSE
Genmab A/S	19/06/2024	2:52:56 PM	1,764.5000	13	XCSE
Genmab A/S	19/06/2024	2:52:56 PM	1,765.0000	38	XCSE
Genmab A/S	19/06/2024	2:52:56 PM	1,765.0000	14	XCSE
Genmab A/S	19/06/2024	2:52:56 PM	1,764.5000	13	XCSE
Genmab A/S	19/06/2024	2:52:56 PM	1,764.5000	13	XCSE
Genmab A/S	19/06/2024	2:55:06 PM	1,765.5000	44	XCSE
Genmab A/S	19/06/2024	2:55:06 PM	1,765.5000	39	CEUX
Genmab A/S	19/06/2024	2:55:40 PM	1,766.0000	123	CEUX
Genmab A/S	19/06/2024	2:55:40 PM	1,766.0000	17	CEUX
Genmab A/S	19/06/2024	2:55:40 PM	1,766.0000	10	CEUX
Genmab A/S	19/06/2024	2:56:11 PM	1,765.5000	10	XCSE
Genmab A/S	19/06/2024	2:56:11 PM	1,765.5000	9	CEUX
Genmab A/S	19/06/2024	2:58:01 PM	1,765.5000	3	CEUX
Genmab A/S	19/06/2024	2:58:01 PM	1,765.5000	25	XCSE
Genmab A/S	19/06/2024	2:58:01 PM	1,765.5000	6	XCSE
Genmab A/S	19/06/2024	2:58:32 PM	1,766.0000	10	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	51	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	107	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	10	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	41	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	10	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	10	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	10	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	15	AQEU
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	40	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	55	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	118	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	55	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	35	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	20	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	50	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	5	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	25	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	30	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	55	XCSE

19

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	55	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	45	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	10	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	29	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	22	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	31	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	50	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	30	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	54	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	12	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	51	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	12	CEUX
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	55	XCSE
Genmab A/S	19/06/2024	2:59:54 PM	1,766.0000	14	XCSE
Genmab A/S	19/06/2024	3:02:23 PM	1,763.5000	6	XCSE
Genmab A/S	19/06/2024	3:05:04 PM	1,764.5000	25	XCSE
Genmab A/S	19/06/2024	3:05:04 PM	1,764.5000	20	XCSE
Genmab A/S	19/06/2024	3:05:04 PM	1,764.5000	23	CEUX
Genmab A/S	19/06/2024	3:05:04 PM	1,764.5000	18	CEUX
Genmab A/S	19/06/2024	3:07:22 PM	1,764.0000	11	XCSE
Genmab A/S	19/06/2024	3:07:22 PM	1,764.0000	11	XCSE
Genmab A/S	19/06/2024	3:07:22 PM	1,764.0000	10	CEUX
Genmab A/S	19/06/2024	3:07:22 PM	1,764.0000	10	CEUX
Genmab A/S	19/06/2024	3:07:28 PM	1,764.0000	1	CEUX
Genmab A/S	19/06/2024	3:07:28 PM	1,764.0000	11	XCSE
Genmab A/S	19/06/2024	3:07:28 PM	1,764.0000	110	XCSE
Genmab A/S	19/06/2024	3:08:53 PM	1,764.5000	34	CEUX
Genmab A/S	19/06/2024	3:09:37 PM	1,764.5000	2	CEUX
Genmab A/S	19/06/2024	3:09:37 PM	1,764.5000	3	CEUX
Genmab A/S	19/06/2024	3:09:39 PM	1,764.5000	10	CEUX
Genmab A/S	19/06/2024	3:09:39 PM	1,764.5000	10	CEUX
Genmab A/S	19/06/2024	3:09:58 PM	1,765.0000	11	CEUX
Genmab A/S	19/06/2024	3:09:58 PM	1,765.0000	1	XCSE
Genmab A/S	19/06/2024	3:11:00 PM	1,765.0000	4	CEUX
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	18	CEUX
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	18	XCSE
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	2	XCSE
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	18	XCSE
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	16	XCSE
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	4	XCSE
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	14	XCSE
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	4	XCSE
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	4	XCSE
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	6	CEUX
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	12	CEUX
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	18	CEUX
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	2	CEUX
Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	18	CEUX

20

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	3:11:17 PM	1,765.0000	8	CEUX
Genmab A/S	19/06/2024	3:12:02 PM	1,765.0000	41	XCSE
Genmab A/S	19/06/2024	3:12:02 PM	1,765.0000	60	XCSE
Genmab A/S	19/06/2024	3:12:02 PM	1,765.0000	54	CEUX
Genmab A/S	19/06/2024	3:12:07 PM	1,765.0000	1	XCSE
Genmab A/S	19/06/2024	3:12:31 PM	1,765.0000	1	XCSE
Genmab A/S	19/06/2024	3:12:31 PM	1,765.0000	9	TQEX
Genmab A/S	19/06/2024	3:12:48 PM	1,765.0000	1	XCSE
Genmab A/S	19/06/2024	3:14:00 PM	1,765.0000	54	CEUX
Genmab A/S	19/06/2024	3:14:00 PM	1,765.0000	15	CEUX
Genmab A/S	19/06/2024	3:14:09 PM	1,765.0000	18	CEUX
Genmab A/S	19/06/2024	3:14:11 PM	1,765.0000	18	CEUX
Genmab A/S	19/06/2024	3:14:11 PM	1,765.0000	19	XCSE
Genmab A/S	19/06/2024	3:14:11 PM	1,765.0000	19	XCSE
Genmab A/S	19/06/2024	3:14:11 PM	1,765.0000	18	CEUX
Genmab A/S	19/06/2024	3:14:11 PM	1,765.0000	18	CEUX
Genmab A/S	19/06/2024	3:14:11 PM	1,765.0000	18	XCSE
Genmab A/S	19/06/2024	3:14:12 PM	1,765.0000	18	CEUX
Genmab A/S	19/06/2024	3:14:12 PM	1,765.0000	3	CEUX
Genmab A/S	19/06/2024	3:14:12 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:14:12 PM	1,765.0000	1	XCSE
Genmab A/S	19/06/2024	3:14:12 PM	1,765.0000	1	XCSE
Genmab A/S	19/06/2024	3:17:44 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	3:17:44 PM	1,765.0000	2	CEUX
Genmab A/S	19/06/2024	3:18:24 PM	1,765.0000	5	CEUX
Genmab A/S	19/06/2024	3:18:32 PM	1,765.5000	13	XCSE
Genmab A/S	19/06/2024	3:18:32 PM	1,765.5000	26	XCSE
Genmab A/S	19/06/2024	3:19:35 PM	1,765.5000	24	CEUX
Genmab A/S	19/06/2024	3:19:35 PM	1,765.5000	18	CEUX
Genmab A/S	19/06/2024	3:19:35 PM	1,765.5000	2	CEUX
Genmab A/S	19/06/2024	3:19:35 PM	1,765.5000	3	XCSE
Genmab A/S	19/06/2024	3:19:35 PM	1,765.5000	55	CEUX
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	10	XCSE
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	11	XCSE
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	55	XCSE
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	7	XCSE
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	49	XCSE
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	21	XCSE
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	26	XCSE
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	16	XCSE
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	36	CEUX
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	6	CEUX
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	2	AQEU
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	9	AQEU
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	13	XCSE
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	4	XCSE
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	15	CEUX
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	15	CEUX

21

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	15	CEUX
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:37 PM	1,765.0000	15	CEUX
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	17	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	17	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	17	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	17	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	17	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	17	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	17	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	17	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	17	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	15	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	15	CEUX
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	15	CEUX
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	15	CEUX
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	30	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	17	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	7	XCSE
Genmab A/S	19/06/2024	3:19:45 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:46 PM	1,765.0000	10	CEUX
Genmab A/S	19/06/2024	3:19:46 PM	1,765.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:46 PM	1,765.0000	30	XCSE
Genmab A/S	19/06/2024	3:19:46 PM	1,765.0000	35	XCSE
Genmab A/S	19/06/2024	3:19:46 PM	1,765.0000	8	XCSE
Genmab A/S	19/06/2024	3:19:46 PM	1,764.5000	10	AQEU
Genmab A/S	19/06/2024	3:19:46 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	3:19:46 PM	1,764.5000	31	XCSE
Genmab A/S	19/06/2024	3:19:46 PM	1,764.5000	43	XCSE
Genmab A/S	19/06/2024	3:19:46 PM	1,764.5000	17	CEUX
Genmab A/S	19/06/2024	3:19:46 PM	1,764.5000	25	XCSE
Genmab A/S	19/06/2024	3:19:48 PM	1,764.0000	20	CEUX
Genmab A/S	19/06/2024	3:19:48 PM	1,764.0000	2	CEUX
Genmab A/S	19/06/2024	3:19:48 PM	1,764.0000	3	AQEU
Genmab A/S	19/06/2024	3:19:48 PM	1,764.0000	23	XCSE
Genmab A/S	19/06/2024	3:19:48 PM	1,764.0000	23	XCSE
Genmab A/S	19/06/2024	3:19:48 PM	1,764.0000	23	XCSE
Genmab A/S	19/06/2024	3:22:03 PM	1,765.0000	39	CEUX
Genmab A/S	19/06/2024	3:22:03 PM	1,765.0000	1	CEUX
Genmab A/S	19/06/2024	3:22:03 PM	1,765.0000	122	CEUX
Genmab A/S	19/06/2024	3:22:03 PM	1,765.0000	81	CEUX
Genmab A/S	19/06/2024	3:22:03 PM	1,765.0000	50	CEUX
Genmab A/S	19/06/2024	3:22:03 PM	1,765.0000	31	CEUX

22

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	3:22:03 PM	1,765.0000	16	AQEU
Genmab A/S	19/06/2024	3:22:03 PM	1,765.0000	2	AQEU
Genmab A/S	19/06/2024	3:22:03 PM	1,765.0000	12	AQEU
Genmab A/S	19/06/2024	3:22:03 PM	1,765.0000	12	TQEX
Genmab A/S	19/06/2024	3:22:49 PM	1,764.0000	25	XCSE
Genmab A/S	19/06/2024	3:22:49 PM	1,764.0000	23	CEUX
Genmab A/S	19/06/2024	3:22:49 PM	1,764.0000	23	CEUX
Genmab A/S	19/06/2024	3:22:49 PM	1,764.0000	4	AQEU
Genmab A/S	19/06/2024	3:23:38 PM	1,764.5000	12	XCSE
Genmab A/S	19/06/2024	3:23:38 PM	1,764.5000	11	CEUX
Genmab A/S	19/06/2024	3:24:41 PM	1,765.0000	9	TQEX
Genmab A/S	19/06/2024	3:24:53 PM	1,765.0000	9	TQEX
Genmab A/S	19/06/2024	3:24:53 PM	1,765.0000	10	TQEX
Genmab A/S	19/06/2024	3:25:08 PM	1,765.0000	9	TQEX
Genmab A/S	19/06/2024	3:25:08 PM	1,765.0000	8	XCSE
Genmab A/S	19/06/2024	3:25:08 PM	1,765.0000	25	XCSE
Genmab A/S	19/06/2024	3:25:08 PM	1,765.0000	28	XCSE
Genmab A/S	19/06/2024	3:25:20 PM	1,765.0000	10	CEUX
Genmab A/S	19/06/2024	3:25:20 PM	1,765.0000	5	CEUX
Genmab A/S	19/06/2024	3:25:20 PM	1,765.0000	9	TQEX
Genmab A/S	19/06/2024	3:25:20 PM	1,765.0000	12	XCSE
Genmab A/S	19/06/2024	3:25:34 PM	1,765.0000	25	CEUX
Genmab A/S	19/06/2024	3:25:34 PM	1,765.0000	5	CEUX
Genmab A/S	19/06/2024	3:25:34 PM	1,765.0000	8	TQEX
Genmab A/S	19/06/2024	3:25:48 PM	1,765.0000	15	CEUX
Genmab A/S	19/06/2024	3:25:48 PM	1,765.0000	21	CEUX
Genmab A/S	19/06/2024	3:26:04 PM	1,765.0000	15	CEUX
Genmab A/S	19/06/2024	3:26:04 PM	1,765.0000	12	CEUX
Genmab A/S	19/06/2024	3:26:18 PM	1,765.0000	19	CEUX
Genmab A/S	19/06/2024	3:26:18 PM	1,765.0000	2	XCSE
Genmab A/S	19/06/2024	3:26:18 PM	1,765.0000	14	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	81	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	33	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	33	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	33	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	15	AQEU
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	15	AQEU
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	33	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	18	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	12	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	6	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	6	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	6	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	6	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	32	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	12	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	70	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	11	XCSE
Genmab A/S	19/06/2024	3:26:32 PM	1,764.5000	40	XCSE

23

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	38	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	36	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	38	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	76	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	37	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	77	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	17	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	7	AQEU
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	8	AQEU
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	7	AQEU
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	15	AQEU
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	15	AQEU
Genmab A/S	19/06/2024	3:26:33 PM	1,764.5000	12	AQEU
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	CEUX
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	26	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	59	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	CEUX
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	CEUX
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	CEUX
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	CEUX
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	CEUX
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	13	XCSE
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	CEUX
Genmab A/S	19/06/2024	3:26:33 PM	1,764.0000	12	XCSE
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	6	CEUX
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	13	CEUX
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	19	CEUX
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	3	AQEU
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	6	AQEU
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	20	XCSE
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	16	XCSE
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	24	XCSE
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	20	XCSE
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	40	XCSE
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	14	XCSE
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	40	XCSE
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	220	XCSE
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	42	CEUX
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	12	CEUX
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	6	AQEU
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	3	AQEU
Genmab A/S	19/06/2024	3:27:33 PM	1,761.0000	30	XCSE
Genmab A/S	19/06/2024	3:32:15 PM	1,757.0000	6	AQEU
Genmab A/S	19/06/2024	3:32:35 PM	1,757.0000	3	AQEU

24

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	3:35:42 PM	1,758.5000	22	XCSE
Genmab A/S	19/06/2024	3:35:42 PM	1,758.5000	24	XCSE
Genmab A/S	19/06/2024	3:35:42 PM	1,758.5000	152	XCSE
Genmab A/S	19/06/2024	3:35:42 PM	1,758.5000	5	XCSE
Genmab A/S	19/06/2024	3:35:42 PM	1,758.5000	17	XCSE
Genmab A/S	19/06/2024	3:35:42 PM	1,758.5000	24	XCSE
Genmab A/S	19/06/2024	3:36:28 PM	1,759.0000	14	XCSE
Genmab A/S	19/06/2024	3:36:28 PM	1,759.0000	6	XCSE
Genmab A/S	19/06/2024	3:36:28 PM	1,759.0000	3	AQEU
Genmab A/S	19/06/2024	3:36:28 PM	1,759.0000	20	XCSE
Genmab A/S	19/06/2024	3:36:28 PM	1,759.0000	20	XCSE
Genmab A/S	19/06/2024	3:36:30 PM	1,759.0000	16	XCSE
Genmab A/S	19/06/2024	3:36:46 PM	1,758.5000	19	AQEU
Genmab A/S	19/06/2024	3:36:46 PM	1,758.5000	81	XCSE
Genmab A/S	19/06/2024	3:36:46 PM	1,758.5000	50	XCSE
Genmab A/S	19/06/2024	3:36:46 PM	1,758.5000	17	XCSE
Genmab A/S	19/06/2024	3:36:46 PM	1,758.5000	50	XCSE
Genmab A/S	19/06/2024	3:36:46 PM	1,758.5000	141	XCSE
Genmab A/S	19/06/2024	3:37:02 PM	1,758.5000	85	CEUX
Genmab A/S	19/06/2024	3:38:51 PM	1,758.5000	14	XCSE
Genmab A/S	19/06/2024	3:39:41 PM	1,759.0000	24	CEUX
Genmab A/S	19/06/2024	3:39:41 PM	1,759.0000	7	CEUX
Genmab A/S	19/06/2024	3:39:47 PM	1,759.0000	34	XCSE
Genmab A/S	19/06/2024	3:39:59 PM	1,759.0000	21	CEUX
Genmab A/S	19/06/2024	3:39:59 PM	1,759.0000	15	CEUX
Genmab A/S	19/06/2024	3:40:00 PM	1,758.5000	129	XCSE
Genmab A/S	19/06/2024	3:40:40 PM	1,759.5000	33	CEUX
Genmab A/S	19/06/2024	3:40:45 PM	1,759.0000	3	AQEU
Genmab A/S	19/06/2024	3:40:45 PM	1,759.0000	44	AQEU
Genmab A/S	19/06/2024	3:40:45 PM	1,759.0000	15	XCSE
Genmab A/S	19/06/2024	3:40:45 PM	1,759.0000	5	XCSE
Genmab A/S	19/06/2024	3:41:09 PM	1,759.0000	40	XCSE
Genmab A/S	19/06/2024	3:41:22 PM	1,759.5000	12	CEUX
Genmab A/S	19/06/2024	3:41:22 PM	1,759.5000	3	CEUX
Genmab A/S	19/06/2024	3:41:25 PM	1,759.0000	38	XCSE
Genmab A/S	19/06/2024	3:41:25 PM	1,759.0000	308	XCSE
Genmab A/S	19/06/2024	3:41:40 PM	1,759.0000	38	XCSE
Genmab A/S	19/06/2024	3:41:40 PM	1,759.0000	38	XCSE
Genmab A/S	19/06/2024	3:41:40 PM	1,759.0000	26	XCSE
Genmab A/S	19/06/2024	3:41:40 PM	1,759.0000	12	XCSE
Genmab A/S	19/06/2024	3:41:40 PM	1,759.0000	16	XCSE
Genmab A/S	19/06/2024	3:41:40 PM	1,759.0000	6	XCSE
Genmab A/S	19/06/2024	3:41:40 PM	1,759.0000	16	XCSE
Genmab A/S	19/06/2024	3:41:40 PM	1,759.0000	6	XCSE
Genmab A/S	19/06/2024	3:41:40 PM	1,759.0000	38	XCSE
Genmab A/S	19/06/2024	3:41:40 PM	1,759.0000	38	XCSE
Genmab A/S	19/06/2024	3:41:41 PM	1,759.0000	27	XCSE
Genmab A/S	19/06/2024	3:41:41 PM	1,759.0000	11	XCSE
Genmab A/S	19/06/2024	3:41:57 PM	1,758.0000	43	XCSE

25

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	3:41:57 PM	1,758.0000	6	AQEU
Genmab A/S	19/06/2024	3:41:57 PM	1,758.0000	6	AQEU
Genmab A/S	19/06/2024	3:41:57 PM	1,758.0000	6	AQEU
Genmab A/S	19/06/2024	3:41:57 PM	1,758.0000	39	XCSE
Genmab A/S	19/06/2024	3:41:57 PM	1,758.0000	6	AQEU
Genmab A/S	19/06/2024	3:41:57 PM	1,758.0000	4	XCSE
Genmab A/S	19/06/2024	3:42:19 PM	1,758.0000	22	AQEU
Genmab A/S	19/06/2024	3:42:19 PM	1,758.0000	1	AQEU
Genmab A/S	19/06/2024	3:42:19 PM	1,758.0000	1	AQEU
Genmab A/S	19/06/2024	3:42:19 PM	1,758.0000	21	AQEU
Genmab A/S	19/06/2024	3:42:46 PM	1,758.0000	42	XCSE
Genmab A/S	19/06/2024	3:42:46 PM	1,758.0000	14	AQEU
Genmab A/S	19/06/2024	3:42:46 PM	1,758.0000	2	AQEU
Genmab A/S	19/06/2024	3:42:46 PM	1,758.0000	67	XCSE
Genmab A/S	19/06/2024	3:42:46 PM	1,758.0000	6	XCSE
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	6	AQEU
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	6	AQEU
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	18	AQEU
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	6	AQEU
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	6	AQEU
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	6	AQEU
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	13	XCSE
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	33	XCSE
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	33	XCSE
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	13	XCSE
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	33	XCSE
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	13	XCSE
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	6	AQEU
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	6	AQEU
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	6	AQEU
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	6	AQEU
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	13	XCSE
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	33	XCSE
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	5	XCSE
Genmab A/S	19/06/2024	3:42:57 PM	1,757.5000	2	AQEU
Genmab A/S	19/06/2024	3:42:58 PM	1,757.5000	11	XCSE
Genmab A/S	19/06/2024	3:46:14 PM	1,761.0000	23	CEUX
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	14	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	5	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	3	AQEU

26

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	3	AQEU
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	2	AQEU
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	17	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	3	AQEU
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	3	AQEU
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	3:46:17 PM	1,760.5000	2	XCSE
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	25	XCSE
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	16	XCSE
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	5	XCSE
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	134	XCSE
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	16	XCSE
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	9	XCSE
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	116	XCSE
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	17	AQEU
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	18	XCSE
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	84	XCSE
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	17	AQEU
Genmab A/S	19/06/2024	3:47:51 PM	1,759.5000	18	XCSE
Genmab A/S	19/06/2024	3:47:52 PM	1,759.5000	14	AQEU
Genmab A/S	19/06/2024	3:47:52 PM	1,759.5000	14	XCSE
Genmab A/S	19/06/2024	3:49:30 PM	1,761.0000	23	XCSE
Genmab A/S	19/06/2024	3:49:54 PM	1,760.5000	150	XCSE
Genmab A/S	19/06/2024	3:49:54 PM	1,760.5000	132	XCSE
Genmab A/S	19/06/2024	3:50:24 PM	1,761.0000	11	CEUX
Genmab A/S	19/06/2024	3:50:24 PM	1,761.0000	12	CEUX
Genmab A/S	19/06/2024	3:50:25 PM	1,761.0000	16	CEUX
Genmab A/S	19/06/2024	3:50:26 PM	1,761.0000	5	CEUX
Genmab A/S	19/06/2024	3:50:26 PM	1,761.0000	2	CEUX
Genmab A/S	19/06/2024	3:50:27 PM	1,761.0000	13	CEUX
Genmab A/S	19/06/2024	3:50:27 PM	1,761.0000	10	CEUX
Genmab A/S	19/06/2024	3:50:27 PM	1,761.0000	23	CEUX
Genmab A/S	19/06/2024	3:50:28 PM	1,761.0000	23	CEUX
Genmab A/S	19/06/2024	3:50:28 PM	1,761.0000	6	CEUX
Genmab A/S	19/06/2024	3:51:05 PM	1,760.5000	78	XCSE
Genmab A/S	19/06/2024	3:51:05 PM	1,760.5000	183	XCSE
Genmab A/S	19/06/2024	3:53:23 PM	1,761.5000	21	XCSE
Genmab A/S	19/06/2024	3:53:23 PM	1,761.5000	21	XCSE
Genmab A/S	19/06/2024	3:53:23 PM	1,761.5000	21	XCSE
Genmab A/S	19/06/2024	3:53:23 PM	1,761.5000	21	XCSE
Genmab A/S	19/06/2024	3:53:23 PM	1,761.5000	20	XCSE
Genmab A/S	19/06/2024	3:54:18 PM	1,762.5000	19	XCSE
Genmab A/S	19/06/2024	3:54:18 PM	1,762.5000	15	XCSE
Genmab A/S	19/06/2024	3:54:18 PM	1,762.5000	1	XCSE

27

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	68	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	50	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	16	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	9	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	16	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	14	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	11	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	73	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	44	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	11	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	14	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:38 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	3:54:39 PM	1,762.5000	8	XCSE
Genmab A/S	19/06/2024	3:54:39 PM	1,762.5000	17	XCSE
Genmab A/S	19/06/2024	3:54:39 PM	1,762.5000	16	XCSE
Genmab A/S	19/06/2024	3:54:39 PM	1,762.5000	9	XCSE
Genmab A/S	19/06/2024	3:55:29 PM	1,761.5000	22	XCSE
Genmab A/S	19/06/2024	3:55:50 PM	1,761.5000	18	XCSE
Genmab A/S	19/06/2024	3:55:50 PM	1,761.5000	18	XCSE
Genmab A/S	19/06/2024	3:55:50 PM	1,761.5000	13	XCSE
Genmab A/S	19/06/2024	3:57:41 PM	1,762.0000	1	TQEX
Genmab A/S	19/06/2024	3:57:41 PM	1,762.0000	9	TQEX
Genmab A/S	19/06/2024	3:57:41 PM	1,762.0000	22	XCSE
Genmab A/S	19/06/2024	3:57:41 PM	1,762.0000	7	XCSE
Genmab A/S	19/06/2024	3:57:47 PM	1,761.0000	42	XCSE
Genmab A/S	19/06/2024	3:57:47 PM	1,761.0000	42	XCSE
Genmab A/S	19/06/2024	3:57:47 PM	1,761.0000	42	XCSE
Genmab A/S	19/06/2024	3:57:50 PM	1,761.0000	42	XCSE
Genmab A/S	19/06/2024	3:57:59 PM	1,761.0000	6	AQEU
Genmab A/S	19/06/2024	3:57:59 PM	1,761.0000	14	AQEU
Genmab A/S	19/06/2024	3:57:59 PM	1,761.0000	42	XCSE
Genmab A/S	19/06/2024	3:57:59 PM	1,761.0000	109	XCSE
Genmab A/S	19/06/2024	3:57:59 PM	1,761.0000	1	XCSE
Genmab A/S	19/06/2024	3:57:59 PM	1,761.0000	42	XCSE
Genmab A/S	19/06/2024	3:58:00 PM	1,761.0000	42	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	10	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	33	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	231	XCSE

28

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	115	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	29	AQEU
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	27	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	12	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	38	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	50	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	27	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	23	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	4	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	10	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	50	XCSE
Genmab A/S	19/06/2024	3:58:58 PM	1,760.5000	42	XCSE
Genmab A/S	19/06/2024	4:01:14 PM	1,763.0000	20	XCSE
Genmab A/S	19/06/2024	4:01:14 PM	1,763.0000	7	XCSE
Genmab A/S	19/06/2024	4:01:14 PM	1,763.0000	19	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	8	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	17	XCSE
Genmab A/S	19/06/2024	4:01:15 PM	1,763.0000	9	XCSE
Genmab A/S	19/06/2024	4:02:27 PM	1,763.5000	23	XCSE
Genmab A/S	19/06/2024	4:02:27 PM	1,763.5000	103	XCSE
Genmab A/S	19/06/2024	4:02:27 PM	1,763.5000	23	XCSE
Genmab A/S	19/06/2024	4:02:27 PM	1,763.5000	23	XCSE
Genmab A/S	19/06/2024	4:04:12 PM	1,764.0000	18	XCSE
Genmab A/S	19/06/2024	4:04:12 PM	1,764.0000	26	XCSE
Genmab A/S	19/06/2024	4:04:23 PM	1,763.5000	3	XCSE
Genmab A/S	19/06/2024	4:04:27 PM	1,763.5000	42	XCSE
Genmab A/S	19/06/2024	4:04:27 PM	1,763.5000	42	XCSE
Genmab A/S	19/06/2024	4:04:27 PM	1,763.5000	3	XCSE
Genmab A/S	19/06/2024	4:04:27 PM	1,763.5000	45	XCSE
Genmab A/S	19/06/2024	4:04:30 PM	1,763.5000	32	XCSE
Genmab A/S	19/06/2024	4:04:30 PM	1,763.5000	13	XCSE
Genmab A/S	19/06/2024	4:04:30 PM	1,763.5000	20	XCSE
Genmab A/S	19/06/2024	4:04:31 PM	1,763.5000	19	XCSE
Genmab A/S	19/06/2024	4:04:33 PM	1,763.0000	39	XCSE
Genmab A/S	19/06/2024	4:04:33 PM	1,763.0000	16	XCSE
Genmab A/S	19/06/2024	4:04:33 PM	1,763.0000	29	XCSE
Genmab A/S	19/06/2024	4:04:34 PM	1,763.0000	39	XCSE
Genmab A/S	19/06/2024	4:04:34 PM	1,763.0000	13	XCSE
Genmab A/S	19/06/2024	4:04:35 PM	1,763.0000	21	XCSE

29

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	4:04:35 PM	1,763.0000	17	XCSE
Genmab A/S	19/06/2024	4:05:52 PM	1,763.5000	66	XCSE
Genmab A/S	19/06/2024	4:05:52 PM	1,763.5000	241	XCSE
Genmab A/S	19/06/2024	4:05:52 PM	1,763.5000	66	XCSE
Genmab A/S	19/06/2024	4:05:52 PM	1,763.5000	59	XCSE
Genmab A/S	19/06/2024	4:05:52 PM	1,763.5000	7	XCSE
Genmab A/S	19/06/2024	4:05:54 PM	1,763.5000	66	XCSE
Genmab A/S	19/06/2024	4:05:54 PM	1,763.5000	38	XCSE
Genmab A/S	19/06/2024	4:05:54 PM	1,763.5000	14	XCSE
Genmab A/S	19/06/2024	4:05:54 PM	1,763.5000	14	XCSE
Genmab A/S	19/06/2024	4:05:54 PM	1,763.5000	14	XCSE
Genmab A/S	19/06/2024	4:05:54 PM	1,763.5000	42	XCSE
Genmab A/S	19/06/2024	4:08:14 PM	1,763.0000	120	XCSE
Genmab A/S	19/06/2024	4:08:14 PM	1,763.0000	34	XCSE
Genmab A/S	19/06/2024	4:08:14 PM	1,763.0000	34	XCSE
Genmab A/S	19/06/2024	4:08:14 PM	1,763.0000	79	XCSE
Genmab A/S	19/06/2024	4:08:14 PM	1,763.0000	14	XCSE
Genmab A/S	19/06/2024	4:08:16 PM	1,763.0000	2	XCSE
Genmab A/S	19/06/2024	4:08:45 PM	1,762.5000	6	AQEU
Genmab A/S	19/06/2024	4:08:45 PM	1,762.5000	19	XCSE
Genmab A/S	19/06/2024	4:08:45 PM	1,762.5000	107	XCSE
Genmab A/S	19/06/2024	4:08:45 PM	1,762.5000	72	XCSE
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	124	XCSE
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	55	XCSE
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	38	XCSE
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	6	XCSE
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	44	XCSE
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	34	XCSE
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	16	AQEU
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	3	XCSE
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	16	AQEU
Genmab A/S	19/06/2024	4:10:26 PM	1,762.5000	2	AQEU
Genmab A/S	19/06/2024	4:10:27 PM	1,762.5000	11	XCSE
Genmab A/S	19/06/2024	4:10:31 PM	1,762.0000	23	XCSE
Genmab A/S	19/06/2024	4:10:31 PM	1,762.0000	23	XCSE
Genmab A/S	19/06/2024	4:11:41 PM	1,763.0000	21	XCSE
Genmab A/S	19/06/2024	4:12:11 PM	1,763.0000	27	XCSE
Genmab A/S	19/06/2024	4:12:11 PM	1,763.0000	45	XCSE
Genmab A/S	19/06/2024	4:12:11 PM	1,763.0000	16	XCSE
Genmab A/S	19/06/2024	4:12:11 PM	1,763.0000	11	XCSE
Genmab A/S	19/06/2024	4:12:11 PM	1,763.0000	16	XCSE
Genmab A/S	19/06/2024	4:12:14 PM	1,763.0000	7	XCSE
Genmab A/S	19/06/2024	4:14:27 PM	1,764.0000	22	XCSE
Genmab A/S	19/06/2024	4:14:27 PM	1,764.0000	26	XCSE
Genmab A/S	19/06/2024	4:14:27 PM	1,764.0000	1	XCSE
Genmab A/S	19/06/2024	4:14:27 PM	1,764.0000	22	XCSE
Genmab A/S	19/06/2024	4:14:27 PM	1,764.0000	27	XCSE
Genmab A/S	19/06/2024	4:14:27 PM	1,764.0000	17	XCSE

30

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	4:16:00 PM	1,764.5000	40	XCSE
Genmab A/S	19/06/2024	4:16:00 PM	1,764.5000	27	XCSE
Genmab A/S	19/06/2024	4:16:00 PM	1,764.5000	13	XCSE
Genmab A/S	19/06/2024	4:16:02 PM	1,764.5000	15	XCSE
Genmab A/S	19/06/2024	4:16:02 PM	1,764.5000	13	XCSE
Genmab A/S	19/06/2024	4:16:02 PM	1,764.5000	12	XCSE
Genmab A/S	19/06/2024	4:16:02 PM	1,764.5000	22	XCSE
Genmab A/S	19/06/2024	4:16:02 PM	1,764.5000	13	XCSE
Genmab A/S	19/06/2024	4:16:02 PM	1,764.5000	4	XCSE
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	1	XCSE
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	1	XCSE
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	5	AQEU
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	12	AQEU
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	33	XCSE
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	30	XCSE
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	28	XCSE
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	3	AQEU
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	5	AQEU
Genmab A/S	19/06/2024	4:16:03 PM	1,764.5000	5	AQEU
Genmab A/S	19/06/2024	4:16:04 PM	1,764.5000	8	XCSE
Genmab A/S	19/06/2024	4:16:06 PM	1,764.0000	112	XCSE
Genmab A/S	19/06/2024	4:16:06 PM	1,764.0000	58	XCSE
Genmab A/S	19/06/2024	4:16:07 PM	1,764.0000	117	XCSE
Genmab A/S	19/06/2024	4:17:07 PM	1,763.5000	3	XCSE
Genmab A/S	19/06/2024	4:17:37 PM	1,764.0000	1	TQEX
Genmab A/S	19/06/2024	4:17:43 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:17:43 PM	1,764.5000	10	AQEU
Genmab A/S	19/06/2024	4:17:43 PM	1,764.5000	16	AQEU
Genmab A/S	19/06/2024	4:17:46 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:17:46 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:17:50 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:17:50 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:17:56 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:17:56 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:18:01 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:18:01 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:18:06 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:18:06 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:18:06 PM	1,764.5000	25	AQEU
Genmab A/S	19/06/2024	4:18:06 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:18:12 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:18:12 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:18:15 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:18:15 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:18:19 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:18:19 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:18:24 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:18:24 PM	1,764.5000	2	AQEU

31

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	4:18:28 PM	1,764.5000	1	AQEU
Genmab A/S	19/06/2024	4:18:28 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:18:28 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:18:34 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:18:34 PM	1,764.5000	9	AQEU
Genmab A/S	19/06/2024	4:18:34 PM	1,764.5000	25	AQEU
Genmab A/S	19/06/2024	4:18:37 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:18:40 PM	1,764.5000	2	AQEU
Genmab A/S	19/06/2024	4:18:44 PM	1,764.0000	17	XCSE
Genmab A/S	19/06/2024	4:18:44 PM	1,764.0000	37	XCSE
Genmab A/S	19/06/2024	4:18:44 PM	1,764.0000	5	XCSE
Genmab A/S	19/06/2024	4:18:44 PM	1,764.0000	9	XCSE
Genmab A/S	19/06/2024	4:19:00 PM	1,764.5000	10	TQEX
Genmab A/S	19/06/2024	4:19:00 PM	1,764.5000	9	XCSE
Genmab A/S	19/06/2024	4:19:00 PM	1,764.5000	10	XCSE
Genmab A/S	19/06/2024	4:19:00 PM	1,764.5000	5	XCSE
Genmab A/S	19/06/2024	4:19:00 PM	1,764.5000	3	XCSE
Genmab A/S	19/06/2024	4:19:05 PM	1,765.0000	1	AQEU
Genmab A/S	19/06/2024	4:19:05 PM	1,765.0000	2	AQEU
Genmab A/S	19/06/2024	4:19:05 PM	1,765.0000	36	AQEU
Genmab A/S	19/06/2024	4:19:21 PM	1,766.5000	27	XCSE
Genmab A/S	19/06/2024	4:19:21 PM	1,766.5000	27	XCSE
Genmab A/S	19/06/2024	4:19:24 PM	1,766.5000	27	XCSE
Genmab A/S	19/06/2024	4:19:24 PM	1,766.5000	27	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	68	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	28	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	4	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	25	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	6	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	41	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	32	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	37	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	2	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	30	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	46	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	9	XCSE
Genmab A/S	19/06/2024	4:20:23 PM	1,767.0000	14	XCSE
Genmab A/S	19/06/2024	4:20:34 PM	1,766.5000	91	XCSE
Genmab A/S	19/06/2024	4:20:34 PM	1,766.5000	90	XCSE
Genmab A/S	19/06/2024	4:20:34 PM	1,766.5000	31	XCSE
Genmab A/S	19/06/2024	4:22:09 PM	1,766.0000	1	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	144	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	15	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	130	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	20	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	61	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	64	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	25	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	120	XCSE

32

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	10	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	25	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	74	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	14	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	22	XCSE
Genmab A/S	19/06/2024	4:22:13 PM	1,766.0000	10	XCSE
Genmab A/S	19/06/2024	4:22:14 PM	1,765.5000	7	AQEU
Genmab A/S	19/06/2024	4:22:14 PM	1,765.5000	44	XCSE
Genmab A/S	19/06/2024	4:24:42 PM	1,765.0000	30	XCSE
Genmab A/S	19/06/2024	4:24:42 PM	1,765.0000	50	XCSE
Genmab A/S	19/06/2024	4:24:42 PM	1,765.0000	39	XCSE
Genmab A/S	19/06/2024	4:24:42 PM	1,765.0000	38	XCSE
Genmab A/S	19/06/2024	4:24:42 PM	1,765.0000	50	XCSE
Genmab A/S	19/06/2024	4:24:42 PM	1,765.0000	30	XCSE
Genmab A/S	19/06/2024	4:25:15 PM	1,765.0000	23	XCSE
Genmab A/S	19/06/2024	4:25:15 PM	1,765.0000	14	XCSE
Genmab A/S	19/06/2024	4:25:16 PM	1,765.0000	9	XCSE
Genmab A/S	19/06/2024	4:25:16 PM	1,765.0000	6	XCSE
Genmab A/S	19/06/2024	4:25:22 PM	1,764.5000	16	XCSE
Genmab A/S	19/06/2024	4:25:22 PM	1,764.5000	6	XCSE
Genmab A/S	19/06/2024	4:25:22 PM	1,764.5000	15	XCSE
Genmab A/S	19/06/2024	4:25:23 PM	1,764.5000	7	XCSE
Genmab A/S	19/06/2024	4:25:23 PM	1,764.5000	15	XCSE
Genmab A/S	19/06/2024	4:26:00 PM	1,764.0000	183	XCSE
Genmab A/S	19/06/2024	4:27:02 PM	1,764.0000	8	XCSE
Genmab A/S	19/06/2024	4:27:02 PM	1,764.0000	34	XCSE
Genmab A/S	19/06/2024	4:27:02 PM	1,764.0000	183	XCSE
Genmab A/S	19/06/2024	4:27:03 PM	1,764.0000	44	XCSE
Genmab A/S	19/06/2024	4:27:03 PM	1,764.0000	88	XCSE
Genmab A/S	19/06/2024	4:27:03 PM	1,764.0000	51	XCSE
Genmab A/S	19/06/2024	4:27:03 PM	1,764.0000	28	XCSE
Genmab A/S	19/06/2024	4:27:03 PM	1,764.0000	41	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.5000	362	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.5000	149	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	3	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	46	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	49	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	35	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	38	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	12	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	37	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	49	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	1	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	34	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	15	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	34	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	39	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	38	XCSE
Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	49	XCSE

33

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	4:28:30 PM	1,763.0000	26	XCSE
Genmab A/S	19/06/2024	4:28:31 PM	1,762.5000	49	XCSE
Genmab A/S	19/06/2024	4:28:31 PM	1,762.5000	12	XCSE
Genmab A/S	19/06/2024	4:28:31 PM	1,762.5000	21	XCSE
Genmab A/S	19/06/2024	4:32:25 PM	1,761.0000	53	XCSE
Genmab A/S	19/06/2024	4:34:50 PM	1,762.0000	1	XCSE
Genmab A/S	19/06/2024	4:35:01 PM	1,762.0000	25	XCSE
Genmab A/S	19/06/2024	4:35:01 PM	1,762.0000	15	XCSE
Genmab A/S	19/06/2024	4:35:01 PM	1,762.0000	7	XCSE
Genmab A/S	19/06/2024	4:35:01 PM	1,762.0000	13	XCSE
Genmab A/S	19/06/2024	4:35:02 PM	1,762.0000	13	XCSE
Genmab A/S	19/06/2024	4:35:02 PM	1,762.0000	22	XCSE
Genmab A/S	19/06/2024	4:35:03 PM	1,762.0000	26	XCSE
Genmab A/S	19/06/2024	4:35:03 PM	1,762.0000	15	XCSE
Genmab A/S	19/06/2024	4:35:04 PM	1,762.0000	7	XCSE
Genmab A/S	19/06/2024	4:35:04 PM	1,762.0000	26	XCSE
Genmab A/S	19/06/2024	4:36:15 PM	1,762.5000	10	AQEU
Genmab A/S	19/06/2024	4:36:15 PM	1,762.5000	9	AQEU
Genmab A/S	19/06/2024	4:36:15 PM	1,762.5000	16	AQEU
Genmab A/S	19/06/2024	4:36:15 PM	1,762.5000	1	AQEU
Genmab A/S	19/06/2024	4:36:22 PM	1,762.5000	2	AQEU
Genmab A/S	19/06/2024	4:36:26 PM	1,762.5000	2	AQEU
Genmab A/S	19/06/2024	4:36:26 PM	1,762.5000	9	AQEU
Genmab A/S	19/06/2024	4:36:31 PM	1,762.5000	2	AQEU
Genmab A/S	19/06/2024	4:36:34 PM	1,762.5000	2	AQEU
Genmab A/S	19/06/2024	4:36:34 PM	1,762.5000	9	AQEU
Genmab A/S	19/06/2024	4:36:35 PM	1,762.0000	25	XCSE
Genmab A/S	19/06/2024	4:36:36 PM	1,762.0000	14	XCSE
Genmab A/S	19/06/2024	4:36:37 PM	1,762.0000	7	XCSE
Genmab A/S	19/06/2024	4:36:38 PM	1,762.0000	13	XCSE
Genmab A/S	19/06/2024	4:36:42 PM	1,762.0000	35	XCSE
Genmab A/S	19/06/2024	4:37:13 PM	1,762.0000	39	XCSE
Genmab A/S	19/06/2024	4:37:18 PM	1,762.5000	42	XCSE
Genmab A/S	19/06/2024	4:37:23 PM	1,762.5000	1	XCSE
Genmab A/S	19/06/2024	4:38:23 PM	1,762.5000	160	XCSE
Genmab A/S	19/06/2024	4:38:23 PM	1,762.5000	7	XCSE
Genmab A/S	19/06/2024	4:38:23 PM	1,762.5000	43	XCSE
Genmab A/S	19/06/2024	4:38:23 PM	1,762.5000	191	XCSE
Genmab A/S	19/06/2024	4:38:23 PM	1,762.5000	113	XCSE
Genmab A/S	19/06/2024	4:38:23 PM	1,762.5000	113	XCSE
Genmab A/S	19/06/2024	4:38:24 PM	1,762.5000	53	XCSE
Genmab A/S	19/06/2024	4:38:24 PM	1,762.5000	1	XCSE
Genmab A/S	19/06/2024	4:38:24 PM	1,762.5000	19	XCSE
Genmab A/S	19/06/2024	4:38:24 PM	1,762.5000	20	XCSE
Genmab A/S	19/06/2024	4:38:24 PM	1,762.5000	18	XCSE
Genmab A/S	19/06/2024	4:38:25 PM	1,762.5000	82	XCSE
Genmab A/S	19/06/2024	4:38:25 PM	1,762.5000	67	XCSE
Genmab A/S	19/06/2024	4:38:25 PM	1,762.5000	78	XCSE
Genmab A/S	19/06/2024	4:38:25 PM	1,762.5000	4	XCSE

34

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	4:38:25 PM	1,762.5000	9	XCSE
Genmab A/S	19/06/2024	4:38:25 PM	1,762.5000	9	XCSE
Genmab A/S	19/06/2024	4:38:26 PM	1,762.5000	35	XCSE
Genmab A/S	19/06/2024	4:38:26 PM	1,762.5000	25	XCSE
Genmab A/S	19/06/2024	4:38:26 PM	1,762.5000	7	XCSE
Genmab A/S	19/06/2024	4:38:26 PM	1,762.5000	167	XCSE
Genmab A/S	19/06/2024	4:40:01 PM	1,761.0000	200	XCSE
Genmab A/S	19/06/2024	4:40:01 PM	1,761.0000	530	XCSE
Genmab A/S	19/06/2024	4:43:20 PM	1,759.0000	166	XCSE
Genmab A/S	19/06/2024	4:43:20 PM	1,759.0000	65	XCSE
Genmab A/S	19/06/2024	4:43:20 PM	1,759.0000	45	XCSE
Genmab A/S	19/06/2024	4:43:22 PM	1,759.0000	276	XCSE
Genmab A/S	19/06/2024	4:43:22 PM	1,759.0000	19	XCSE
Genmab A/S	19/06/2024	4:43:50 PM	1,759.5000	25	XCSE
Genmab A/S	19/06/2024	4:45:57 PM	1,761.0000	4	TQEX
Genmab A/S	19/06/2024	4:45:57 PM	1,761.0000	22	XCSE
Genmab A/S	19/06/2024	4:45:57 PM	1,761.0000	5	XCSE
Genmab A/S	19/06/2024	4:45:57 PM	1,761.0000	5	XCSE
Genmab A/S	19/06/2024	4:46:02 PM	1,761.0000	17	XCSE
Genmab A/S	19/06/2024	4:46:02 PM	1,761.0000	20	XCSE
Genmab A/S	19/06/2024	4:46:06 PM	1,761.0000	1	TQEX
Genmab A/S	19/06/2024	4:46:06 PM	1,761.0000	22	XCSE
Genmab A/S	19/06/2024	4:46:06 PM	1,761.0000	9	XCSE
Genmab A/S	19/06/2024	4:46:07 PM	1,761.0000	8	XCSE
Genmab A/S	19/06/2024	4:46:33 PM	1,760.5000	65	XCSE
Genmab A/S	19/06/2024	4:46:33 PM	1,760.5000	73	XCSE
Genmab A/S	19/06/2024	4:46:33 PM	1,760.5000	25	XCSE
Genmab A/S	19/06/2024	4:46:33 PM	1,760.5000	15	XCSE
Genmab A/S	19/06/2024	4:46:34 PM	1,760.5000	76	XCSE
Genmab A/S	19/06/2024	4:46:35 PM	1,760.5000	44	XCSE
Genmab A/S	19/06/2024	4:46:35 PM	1,760.5000	3	XCSE
Genmab A/S	19/06/2024	4:46:35 PM	1,760.5000	16	XCSE
Genmab A/S	19/06/2024	4:47:32 PM	1,761.0000	2	TQEX
Genmab A/S	19/06/2024	4:47:32 PM	1,761.0000	9	TQEX
Genmab A/S	19/06/2024	4:47:32 PM	1,761.0000	8	TQEX
Genmab A/S	19/06/2024	4:47:32 PM	1,761.0000	9	TQEX
Genmab A/S	19/06/2024	4:47:32 PM	1,761.0000	9	XCSE
Genmab A/S	19/06/2024	4:47:35 PM	1,761.0000	25	XCSE
Genmab A/S	19/06/2024	4:47:35 PM	1,761.0000	14	XCSE
Genmab A/S	19/06/2024	4:47:41 PM	1,760.5000	35	XCSE
Genmab A/S	19/06/2024	4:48:16 PM	1,760.0000	151	XCSE
Genmab A/S	19/06/2024	4:48:16 PM	1,760.0000	98	XCSE
Genmab A/S	19/06/2024	4:48:16 PM	1,760.0000	66	XCSE
Genmab A/S	19/06/2024	4:48:26 PM	1,760.0000	32	XCSE
Genmab A/S	19/06/2024	4:48:26 PM	1,760.0000	26	XCSE
Genmab A/S	19/06/2024	4:48:26 PM	1,760.0000	10	XCSE
Genmab A/S	19/06/2024	4:48:39 PM	1,760.0000	15	XCSE
Genmab A/S	19/06/2024	4:48:41 PM	1,760.0000	5	XCSE
Genmab A/S	19/06/2024	4:48:56 PM	1,760.5000	9	AQEU

35

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	4:48:56 PM	1,760.5000	2	AQEU
Genmab A/S	19/06/2024	4:48:56 PM	1,760.5000	8	AQEU
Genmab A/S	19/06/2024	4:48:56 PM	1,760.5000	40	AQEU
Genmab A/S	19/06/2024	4:48:56 PM	1,760.5000	16	AQEU
Genmab A/S	19/06/2024	4:49:00 PM	1,760.5000	2	TQEX
Genmab A/S	19/06/2024	4:49:00 PM	1,760.5000	9	TQEX
Genmab A/S	19/06/2024	4:49:05 PM	1,760.5000	1	TQEX
Genmab A/S	19/06/2024	4:49:05 PM	1,760.5000	9	TQEX
Genmab A/S	19/06/2024	4:49:09 PM	1,760.5000	19	XCSE
Genmab A/S	19/06/2024	4:49:09 PM	1,760.5000	22	XCSE
Genmab A/S	19/06/2024	4:49:45 PM	1,761.0000	23	XCSE
Genmab A/S	19/06/2024	4:49:45 PM	1,761.0000	3	XCSE
Genmab A/S	19/06/2024	4:49:47 PM	1,761.0000	14	XCSE
Genmab A/S	19/06/2024	4:49:47 PM	1,761.0000	9	XCSE
Genmab A/S	19/06/2024	4:49:47 PM	1,761.0000	18	XCSE
Genmab A/S	19/06/2024	4:49:47 PM	1,761.0000	5	XCSE
Genmab A/S	19/06/2024	4:49:47 PM	1,761.0000	23	XCSE
Genmab A/S	19/06/2024	4:50:21 PM	1,761.0000	13	XCSE
Genmab A/S	19/06/2024	4:50:25 PM	1,761.0000	91	XCSE
Genmab A/S	19/06/2024	4:50:25 PM	1,761.0000	50	XCSE
Genmab A/S	19/06/2024	4:50:29 PM	1,761.0000	89	XCSE
Genmab A/S	19/06/2024	4:50:29 PM	1,761.0000	25	XCSE
Genmab A/S	19/06/2024	4:50:29 PM	1,761.0000	19	XCSE
Genmab A/S	19/06/2024	4:50:30 PM	1,761.0000	6	XCSE
Genmab A/S	19/06/2024	4:50:36 PM	1,761.0000	1	XCSE
Genmab A/S	19/06/2024	4:50:41 PM	1,761.0000	12	XCSE
Genmab A/S	19/06/2024	4:50:49 PM	1,761.0000	50	XCSE
Genmab A/S	19/06/2024	4:50:49 PM	1,761.0000	20	XCSE
Genmab A/S	19/06/2024	4:50:49 PM	1,761.0000	18	XCSE
Genmab A/S	19/06/2024	4:51:00 PM	1,761.0000	2	XCSE
Genmab A/S	19/06/2024	4:51:00 PM	1,761.0000	9	XCSE
Genmab A/S	19/06/2024	4:51:05 PM	1,761.0000	1	XCSE
Genmab A/S	19/06/2024	4:51:05 PM	1,761.0000	35	XCSE
Genmab A/S	19/06/2024	4:51:07 PM	1,761.0000	7	XCSE
Genmab A/S	19/06/2024	4:51:07 PM	1,761.0000	8	XCSE
Genmab A/S	19/06/2024	4:51:07 PM	1,761.0000	1	XCSE
Genmab A/S	19/06/2024	4:51:18 PM	1,761.0000	26	XCSE
Genmab A/S	19/06/2024	4:51:18 PM	1,761.0000	20	XCSE
Genmab A/S	19/06/2024	4:51:18 PM	1,761.0000	4	XCSE
Genmab A/S	19/06/2024	4:51:25 PM	1,761.0000	3	XCSE
Genmab A/S	19/06/2024	4:51:41 PM	1,761.0000	26	XCSE
Genmab A/S	19/06/2024	4:52:21 PM	1,761.0000	9	XCSE
Genmab A/S	19/06/2024	4:52:27 PM	1,761.0000	7	XCSE
Genmab A/S	19/06/2024	4:52:40 PM	1,761.0000	25	XCSE
Genmab A/S	19/06/2024	4:52:46 PM	1,761.0000	17	AQEU
Genmab A/S	19/06/2024	4:52:46 PM	1,761.0000	21	AQEU
Genmab A/S	19/06/2024	4:52:49 PM	1,761.0000	14	XCSE
Genmab A/S	19/06/2024	4:52:49 PM	1,761.0000	22	XCSE
Genmab A/S	19/06/2024	4:52:50 PM	1,761.0000	8	XCSE

36

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	4:52:54 PM	1,761.0000	33	XCSE
Genmab A/S	19/06/2024	4:52:57 PM	1,761.0000	9	XCSE
Genmab A/S	19/06/2024	4:53:04 PM	1,761.0000	32	XCSE
Genmab A/S	19/06/2024	4:53:04 PM	1,761.0000	17	XCSE
Genmab A/S	19/06/2024	4:53:04 PM	1,761.0000	1	XCSE
Genmab A/S	19/06/2024	4:53:11 PM	1,761.0000	22	XCSE
Genmab A/S	19/06/2024	4:53:13 PM	1,761.0000	30	XCSE
Genmab A/S	19/06/2024	4:53:13 PM	1,761.0000	18	XCSE
Genmab A/S	19/06/2024	4:53:17 PM	1,761.0000	24	XCSE
Genmab A/S	19/06/2024	4:53:28 PM	1,761.0000	33	XCSE
Genmab A/S	19/06/2024	4:53:38 PM	1,761.0000	150	XCSE
Genmab A/S	19/06/2024	4:53:38 PM	1,761.0000	23	XCSE
Genmab A/S	19/06/2024	4:53:39 PM	1,761.0000	15	XCSE
Genmab A/S	19/06/2024	4:53:43 PM	1,761.0000	26	XCSE
Genmab A/S	19/06/2024	4:53:43 PM	1,761.0000	13	XCSE
Genmab A/S	19/06/2024	4:53:43 PM	1,761.0000	25	XCSE
Genmab A/S	19/06/2024	4:53:43 PM	1,761.0000	16	XCSE
Genmab A/S	19/06/2024	4:53:49 PM	1,761.0000	31	XCSE
Genmab A/S	19/06/2024	4:53:49 PM	1,761.0000	7	XCSE
Genmab A/S	19/06/2024	4:53:49 PM	1,761.5000	40	XCSE
Genmab A/S	19/06/2024	4:53:49 PM	1,761.5000	11	XCSE
Genmab A/S	19/06/2024	4:53:49 PM	1,761.5000	14	XCSE
Genmab A/S	19/06/2024	4:53:49 PM	1,761.5000	10	XCSE
Genmab A/S	19/06/2024	4:53:49 PM	1,761.5000	30	XCSE
Genmab A/S	19/06/2024	4:53:49 PM	1,761.5000	39	XCSE
Genmab A/S	19/06/2024	4:53:49 PM	1,761.5000	25	XCSE
Genmab A/S	19/06/2024	4:53:50 PM	1,761.5000	30	XCSE
Genmab A/S	19/06/2024	4:53:50 PM	1,761.5000	30	XCSE
Genmab A/S	19/06/2024	4:53:50 PM	1,761.5000	11	XCSE
Genmab A/S	19/06/2024	4:53:51 PM	1,761.5000	13	XCSE
Genmab A/S	19/06/2024	4:53:52 PM	1,761.5000	41	XCSE
Genmab A/S	19/06/2024	4:53:52 PM	1,761.5000	12	XCSE
Genmab A/S	19/06/2024	4:53:52 PM	1,761.5000	15	XCSE
Genmab A/S	19/06/2024	4:54:00 PM	1,761.5000	41	XCSE
Genmab A/S	19/06/2024	4:54:00 PM	1,761.5000	25	XCSE
Genmab A/S	19/06/2024	4:54:05 PM	1,761.5000	12	XCSE
Genmab A/S	19/06/2024	4:54:05 PM	1,761.5000	25	XCSE
Genmab A/S	19/06/2024	4:54:05 PM	1,761.5000	13	XCSE
Genmab A/S	19/06/2024	4:54:05 PM	1,761.5000	12	XCSE
Genmab A/S	19/06/2024	4:54:05 PM	1,761.5000	11	XCSE
Genmab A/S	19/06/2024	4:54:05 PM	1,761.5000	12	XCSE
Genmab A/S	19/06/2024	4:54:07 PM	1,761.5000	14	XCSE
Genmab A/S	19/06/2024	4:54:28 PM	1,761.5000	12	XCSE
Genmab A/S	19/06/2024	4:54:29 PM	1,761.5000	8	AQEU
Genmab A/S	19/06/2024	4:54:29 PM	1,761.5000	6	AQEU
Genmab A/S	19/06/2024	4:54:29 PM	1,761.5000	20	AQEU
Genmab A/S	19/06/2024	4:54:29 PM	1,761.5000	9	AQEU
Genmab A/S	19/06/2024	4:54:29 PM	1,761.5000	16	AQEU
Genmab A/S	19/06/2024	4:54:29 PM	1,761.5000	2	AQEU

37

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	19/06/2024	4:54:29 PM	1,761.0000	42	XCSE
Genmab A/S	19/06/2024	4:54:29 PM	1,761.5000	2	TQEX
Genmab A/S	19/06/2024	4:54:29 PM	1,761.5000	1	TQEX
Genmab A/S	19/06/2024	4:54:38 PM	1,761.0000	17	XCSE
Genmab A/S	19/06/2024	4:54:50 PM	1,761.0000	27	XCSE
Genmab A/S	19/06/2024	4:54:55 PM	1,761.0000	3	XCSE
Genmab A/S	20/06/2024	9:02:10 AM	1,754.5000	14	CEUX
Genmab A/S	20/06/2024	9:02:10 AM	1,754.5000	11	AQEU
Genmab A/S	20/06/2024	9:02:10 AM	1,754.5000	10	TQEX
Genmab A/S	20/06/2024	9:02:10 AM	1,754.5000	1	XCSE
Genmab A/S	20/06/2024	9:02:19 AM	1,755.0000	27	XCSE
Genmab A/S	20/06/2024	9:02:26 AM	1,757.5000	39	XCSE
Genmab A/S	20/06/2024	9:02:30 AM	1,757.5000	33	XCSE
Genmab A/S	20/06/2024	9:03:00 AM	1,759.5000	44	XCSE
Genmab A/S	20/06/2024	9:03:00 AM	1,759.5000	4	XCSE
Genmab A/S	20/06/2024	9:03:00 AM	1,759.5000	30	XCSE
Genmab A/S	20/06/2024	9:03:00 AM	1,759.5000	10	XCSE
Genmab A/S	20/06/2024	9:03:00 AM	1,759.5000	44	XCSE
Genmab A/S	20/06/2024	9:03:00 AM	1,759.5000	8	XCSE
Genmab A/S	20/06/2024	9:03:05 AM	1,760.0000	37	XCSE
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	45	CEUX
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	2	CEUX
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	39	XCSE
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	10	XCSE
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	10	XCSE
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	39	XCSE
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	21	XCSE
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	43	CEUX
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	5	CEUX
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	14	CEUX
Genmab A/S	20/06/2024	9:03:05 AM	1,759.0000	14	CEUX
Genmab A/S	20/06/2024	9:03:09 AM	1,759.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:11 AM	1,759.5000	49	XCSE
Genmab A/S	20/06/2024	9:03:11 AM	1,759.5000	44	CEUX
Genmab A/S	20/06/2024	9:03:11 AM	1,759.5000	8	CEUX
Genmab A/S	20/06/2024	9:03:11 AM	1,759.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:11 AM	1,759.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:11 AM	1,759.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	43	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	10	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	35	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	35	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	8	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	35	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	39	CEUX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	41	CEUX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	38	CEUX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	1	CEUX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	4	CEUX

38

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	37	CEUX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	37	CEUX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	CEUX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	21	CEUX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	10	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	39	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	6	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	5	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	5	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	26	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	5	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	3	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,760.5000	9	XCSE
Genmab A/S	20/06/2024	9:03:51 AM	1,759.0000	21	CEUX
Genmab A/S	20/06/2024	9:03:51 AM	1,759.0000	3	AQEU
Genmab A/S	20/06/2024	9:03:51 AM	1,759.0000	5	TQEX
Genmab A/S	20/06/2024	9:03:51 AM	1,759.0000	23	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	24	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	24	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	24	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	24	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	24	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	24	XCSE

39

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	28	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	24	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	19	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	5	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	19	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	5	XCSE
Genmab A/S	20/06/2024	9:06:03 AM	1,759.5000	10	XCSE
Genmab A/S	20/06/2024	9:06:36 AM	1,758.5000	37	XCSE
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	10	CEUX
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	10	CEUX
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	10	CEUX
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	10	CEUX
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	8	CEUX
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	1	AQEU
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	10	XCSE
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	59	XCSE
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	5	TQEX
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	10	CEUX
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	5	TQEX
Genmab A/S	20/06/2024	9:06:51 AM	1,759.5000	9	XCSE
Genmab A/S	20/06/2024	9:08:01 AM	1,763.5000	84	XCSE
Genmab A/S	20/06/2024	9:08:01 AM	1,763.5000	84	XCSE
Genmab A/S	20/06/2024	9:08:01 AM	1,763.5000	73	XCSE
Genmab A/S	20/06/2024	9:08:01 AM	1,763.5000	11	XCSE
Genmab A/S	20/06/2024	9:08:01 AM	1,763.5000	19	XCSE
Genmab A/S	20/06/2024	9:08:01 AM	1,763.5000	11	XCSE
Genmab A/S	20/06/2024	9:08:01 AM	1,763.5000	4	XCSE
Genmab A/S	20/06/2024	9:08:01 AM	1,763.5000	50	XCSE
Genmab A/S	20/06/2024	9:08:01 AM	1,763.5000	30	XCSE
Genmab A/S	20/06/2024	9:08:02 AM	1,763.0000	198	XCSE
Genmab A/S	20/06/2024	9:08:02 AM	1,763.0000	173	XCSE
Genmab A/S	20/06/2024	9:08:02 AM	1,762.5000	23	CEUX
Genmab A/S	20/06/2024	9:08:02 AM	1,762.5000	27	XCSE
Genmab A/S	20/06/2024	9:08:03 AM	1,762.5000	27	XCSE
Genmab A/S	20/06/2024	9:08:03 AM	1,762.5000	27	XCSE
Genmab A/S	20/06/2024	9:08:03 AM	1,762.5000	3	CEUX
Genmab A/S	20/06/2024	9:08:03 AM	1,762.5000	26	CEUX
Genmab A/S	20/06/2024	9:09:07 AM	1,762.0000	23	XCSE
Genmab A/S	20/06/2024	9:09:07 AM	1,762.0000	58	XCSE
Genmab A/S	20/06/2024	9:09:07 AM	1,762.0000	21	CEUX
Genmab A/S	20/06/2024	9:09:07 AM	1,762.0000	21	CEUX
Genmab A/S	20/06/2024	9:09:07 AM	1,762.0000	21	CEUX
Genmab A/S	20/06/2024	9:09:07 AM	1,762.0000	9	CEUX
Genmab A/S	20/06/2024	9:09:07 AM	1,762.0000	3	AQEU
Genmab A/S	20/06/2024	9:09:07 AM	1,762.0000	5	TQEX
Genmab A/S	20/06/2024	9:09:07 AM	1,762.0000	5	TQEX
Genmab A/S	20/06/2024	9:09:09 AM	1,762.0000	52	XCSE
Genmab A/S	20/06/2024	9:10:07 AM	1,763.0000	21	XCSE
Genmab A/S	20/06/2024	9:10:07 AM	1,763.0000	27	XCSE

40

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:10:07 AM	1,763.0000	18	XCSE
Genmab A/S	20/06/2024	9:10:08 AM	1,763.0000	49	XCSE
Genmab A/S	20/06/2024	9:10:57 AM	1,762.0000	2	AQEU
Genmab A/S	20/06/2024	9:12:47 AM	1,764.5000	9	CEUX
Genmab A/S	20/06/2024	9:12:47 AM	1,764.5000	9	AQEU
Genmab A/S	20/06/2024	9:12:47 AM	1,764.5000	9	TQEX
Genmab A/S	20/06/2024	9:12:47 AM	1,764.5000	13	XCSE
Genmab A/S	20/06/2024	9:13:01 AM	1,765.0000	12	XCSE
Genmab A/S	20/06/2024	9:13:09 AM	1,765.0000	35	XCSE
Genmab A/S	20/06/2024	9:13:09 AM	1,765.0000	24	XCSE
Genmab A/S	20/06/2024	9:13:09 AM	1,765.0000	528	XCSE
Genmab A/S	20/06/2024	9:14:24 AM	1,763.5000	35	XCSE
Genmab A/S	20/06/2024	9:15:23 AM	1,764.0000	46	XCSE
Genmab A/S	20/06/2024	9:15:23 AM	1,764.0000	43	CEUX
Genmab A/S	20/06/2024	9:15:23 AM	1,764.0000	5	CEUX
Genmab A/S	20/06/2024	9:15:40 AM	1,764.5000	34	CEUX
Genmab A/S	20/06/2024	9:15:54 AM	1,764.5000	50	XCSE
Genmab A/S	20/06/2024	9:15:54 AM	1,764.5000	96	XCSE
Genmab A/S	20/06/2024	9:15:54 AM	1,764.5000	50	CEUX
Genmab A/S	20/06/2024	9:15:54 AM	1,764.5000	48	CEUX
Genmab A/S	20/06/2024	9:15:54 AM	1,764.5000	19	AQEU
Genmab A/S	20/06/2024	9:15:54 AM	1,764.5000	20	TQEX
Genmab A/S	20/06/2024	9:16:13 AM	1,763.5000	7	XCSE
Genmab A/S	20/06/2024	9:16:13 AM	1,763.5000	36	XCSE
Genmab A/S	20/06/2024	9:16:13 AM	1,763.5000	44	XCSE
Genmab A/S	20/06/2024	9:16:13 AM	1,763.5000	12	XCSE
Genmab A/S	20/06/2024	9:16:13 AM	1,763.5000	29	XCSE
Genmab A/S	20/06/2024	9:16:13 AM	1,763.5000	20	XCSE
Genmab A/S	20/06/2024	9:16:13 AM	1,763.5000	23	XCSE
Genmab A/S	20/06/2024	9:16:13 AM	1,763.5000	6	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	38	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	5	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	36	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	43	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	44	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	35	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	41	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	11	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	7	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	23	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	21	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	20	XCSE
Genmab A/S	20/06/2024	9:16:14 AM	1,763.5000	1	XCSE
Genmab A/S	20/06/2024	9:19:08 AM	1,764.0000	91	XCSE
Genmab A/S	20/06/2024	9:19:54 AM	1,763.0000	1	CEUX
Genmab A/S	20/06/2024	9:20:47 AM	1,763.0000	40	CEUX
Genmab A/S	20/06/2024	9:20:47 AM	1,763.0000	5	XCSE
Genmab A/S	20/06/2024	9:21:33 AM	1,763.0000	29	CEUX
Genmab A/S	20/06/2024	9:21:38 AM	1,763.0000	4	CEUX

41

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:21:40 AM	1,763.0000	14	CEUX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	19	CEUX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	25	CEUX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	25	CEUX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	19	CEUX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	25	CEUX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	6	CEUX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	3	AQEU
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	1	AQEU
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	3	AQEU
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	4	AQEU
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	4	AQEU
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	4	AQEU
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	4	AQEU
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	4	AQEU
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	5	TQEX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	5	TQEX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	4	TQEX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	5	TQEX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	4	TQEX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	5	TQEX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	26	XCSE
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	33	XCSE
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	56	XCSE
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	26	XCSE
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	5	TQEX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	5	TQEX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	5	TQEX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	4	TQEX
Genmab A/S	20/06/2024	9:21:45 AM	1,763.0000	19	XCSE
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	9	XCSE
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	9	XCSE
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	10	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	10	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	10	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	3	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	10	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	10	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	10	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	10	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	10	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	3	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	5	TQEX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	4	CEUX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	1	AQEU
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	3	AQEU
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	5	TQEX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	11	TQEX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	5	TQEX

42

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	11	TQEX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	5	TQEX
Genmab A/S	20/06/2024	9:23:37 AM	1,763.0000	1	AQEU
Genmab A/S	20/06/2024	9:24:17 AM	1,762.5000	46	XCSE
Genmab A/S	20/06/2024	9:24:17 AM	1,762.5000	36	XCSE
Genmab A/S	20/06/2024	9:24:17 AM	1,762.5000	54	XCSE
Genmab A/S	20/06/2024	9:24:48 AM	1,762.5000	16	XCSE
Genmab A/S	20/06/2024	9:24:48 AM	1,762.5000	30	XCSE
Genmab A/S	20/06/2024	9:24:48 AM	1,762.5000	90	CEUX
Genmab A/S	20/06/2024	9:24:48 AM	1,762.5000	14	XCSE
Genmab A/S	20/06/2024	9:27:09 AM	1,764.5000	10	CEUX
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	2	XCSE
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	11	XCSE
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	39	XCSE
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	13	XCSE
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	9	XCSE
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	11	XCSE
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	2	XCSE
Genmab A/S	20/06/2024	9:27:27 AM	1,765.0000	11	XCSE
Genmab A/S	20/06/2024	9:28:12 AM	1,765.0000	13	XCSE
Genmab A/S	20/06/2024	9:28:12 AM	1,765.0000	20	XCSE
Genmab A/S	20/06/2024	9:28:12 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:28:12 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:28:12 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:28:12 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:28:12 AM	1,765.0000	5	CEUX
Genmab A/S	20/06/2024	9:28:12 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:28:13 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:28:13 AM	1,765.0000	7	XCSE
Genmab A/S	20/06/2024	9:28:13 AM	1,765.0000	6	XCSE
Genmab A/S	20/06/2024	9:28:13 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:28:13 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:28:13 AM	1,765.0000	13	XCSE
Genmab A/S	20/06/2024	9:28:13 AM	1,765.0000	12	CEUX
Genmab A/S	20/06/2024	9:28:13 AM	1,765.0000	11	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	46	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	46	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	46	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	1	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	9	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	33	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	2	CEUX

43

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	18	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	22	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	42	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	19	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	42	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	2	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	3	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	2	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	6	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	6	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	6	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	5	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	1	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	5	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	6	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	1	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	5	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	4	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	4	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	3	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	11	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	7	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	1	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	7	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	7	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	7	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	45	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.5000	30	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	21	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	4	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	6	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	11	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	20	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	20	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	3	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	2	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	2	AQEU
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	4	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	5	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	5	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	2	TQEX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	17	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	7	CEUX
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	7	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	4	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	4	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	5	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	1	XCSE
Genmab A/S	20/06/2024	9:30:02 AM	1,764.0000	17	XCSE

44

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:30:03 AM	1,764.0000	48	CEUX
Genmab A/S	20/06/2024	9:30:03 AM	1,764.0000	19	CEUX
Genmab A/S	20/06/2024	9:30:03 AM	1,764.0000	11	CEUX
Genmab A/S	20/06/2024	9:30:07 AM	1,763.5000	18	CEUX
Genmab A/S	20/06/2024	9:30:07 AM	1,763.5000	5	TQEX
Genmab A/S	20/06/2024	9:30:07 AM	1,763.5000	17	XCSE
Genmab A/S	20/06/2024	9:30:07 AM	1,763.5000	4	XCSE
Genmab A/S	20/06/2024	9:32:44 AM	1,763.0000	14	XCSE
Genmab A/S	20/06/2024	9:32:44 AM	1,763.0000	9	XCSE
Genmab A/S	20/06/2024	9:32:44 AM	1,763.0000	21	CEUX
Genmab A/S	20/06/2024	9:32:44 AM	1,763.0000	6	TQEX
Genmab A/S	20/06/2024	9:33:50 AM	1,762.5000	57	CEUX
Genmab A/S	20/06/2024	9:33:50 AM	1,762.5000	57	CEUX
Genmab A/S	20/06/2024	9:33:50 AM	1,762.5000	2	CEUX
Genmab A/S	20/06/2024	9:33:50 AM	1,762.5000	9	TQEX
Genmab A/S	20/06/2024	9:33:50 AM	1,762.5000	9	TQEX
Genmab A/S	20/06/2024	9:33:50 AM	1,762.5000	63	XCSE
Genmab A/S	20/06/2024	9:33:50 AM	1,762.5000	50	XCSE
Genmab A/S	20/06/2024	9:35:15 AM	1,766.0000	20	XCSE
Genmab A/S	20/06/2024	9:35:15 AM	1,766.0000	4	XCSE
Genmab A/S	20/06/2024	9:35:15 AM	1,766.0000	46	XCSE
Genmab A/S	20/06/2024	9:35:15 AM	1,766.0000	10	XCSE
Genmab A/S	20/06/2024	9:35:15 AM	1,766.0000	24	XCSE
Genmab A/S	20/06/2024	9:35:15 AM	1,766.0000	83	XCSE
Genmab A/S	20/06/2024	9:35:15 AM	1,766.0000	24	XCSE
Genmab A/S	20/06/2024	9:35:15 AM	1,766.0000	36	XCSE
Genmab A/S	20/06/2024	9:35:15 AM	1,766.0000	24	XCSE
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	41	CEUX
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	9	CEUX
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	55	XCSE
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	26	XCSE
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	9	XCSE
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	27	XCSE
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	21	CEUX
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	29	CEUX
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	50	CEUX
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	50	CEUX
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	27	CEUX
Genmab A/S	20/06/2024	9:37:04 AM	1,766.0000	19	XCSE
Genmab A/S	20/06/2024	9:38:44 AM	1,767.0000	12	XCSE
Genmab A/S	20/06/2024	9:38:44 AM	1,767.0000	12	XCSE
Genmab A/S	20/06/2024	9:38:44 AM	1,767.0000	12	CEUX
Genmab A/S	20/06/2024	9:38:46 AM	1,766.5000	18	XCSE
Genmab A/S	20/06/2024	9:39:17 AM	1,766.5000	18	XCSE
Genmab A/S	20/06/2024	9:39:17 AM	1,766.5000	2	XCSE
Genmab A/S	20/06/2024	9:39:19 AM	1,766.5000	18	XCSE
Genmab A/S	20/06/2024	9:39:53 AM	1,767.5000	8	CEUX
Genmab A/S	20/06/2024	9:39:53 AM	1,767.5000	27	XCSE
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	8	XCSE

45

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	11	XCSE
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	9	CEUX
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	9	CEUX
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	9	CEUX
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	9	CEUX
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	9	CEUX
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	6	CEUX
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	1	AQEU
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	7	TQEX
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	7	TQEX
Genmab A/S	20/06/2024	9:40:28 AM	1,767.0000	7	TQEX
Genmab A/S	20/06/2024	9:41:16 AM	1,769.0000	45	CEUX
Genmab A/S	20/06/2024	9:41:16 AM	1,769.0000	10	CEUX
Genmab A/S	20/06/2024	9:41:16 AM	1,768.5000	8	XCSE
Genmab A/S	20/06/2024	9:41:16 AM	1,769.0000	21	CEUX
Genmab A/S	20/06/2024	9:41:16 AM	1,768.5000	9	CEUX
Genmab A/S	20/06/2024	9:41:16 AM	1,768.5000	7	TQEX
Genmab A/S	20/06/2024	9:41:30 AM	1,769.0000	9	AQEU
Genmab A/S	20/06/2024	9:41:35 AM	1,769.0000	9	AQEU
Genmab A/S	20/06/2024	9:41:35 AM	1,769.0000	1	AQEU
Genmab A/S	20/06/2024	9:41:35 AM	1,769.0000	9	TQEX
Genmab A/S	20/06/2024	9:41:35 AM	1,769.0000	1	TQEX
Genmab A/S	20/06/2024	9:41:35 AM	1,769.0000	18	XCSE
Genmab A/S	20/06/2024	9:41:53 AM	1,769.0000	33	XCSE
Genmab A/S	20/06/2024	9:42:00 AM	1,769.0000	3	AQEU
Genmab A/S	20/06/2024	9:42:00 AM	1,769.0000	30	AQEU
Genmab A/S	20/06/2024	9:42:07 AM	1,769.0000	23	CEUX
Genmab A/S	20/06/2024	9:42:30 AM	1,769.5000	25	XCSE
Genmab A/S	20/06/2024	9:42:30 AM	1,769.5000	6	XCSE
Genmab A/S	20/06/2024	9:42:35 AM	1,769.0000	56	XCSE
Genmab A/S	20/06/2024	9:42:35 AM	1,769.0000	152	XCSE
Genmab A/S	20/06/2024	9:42:35 AM	1,769.0000	51	CEUX
Genmab A/S	20/06/2024	9:42:35 AM	1,769.0000	16	CEUX
Genmab A/S	20/06/2024	9:42:35 AM	1,769.0000	7	TQEX
Genmab A/S	20/06/2024	9:42:35 AM	1,769.0000	41	TQEX
Genmab A/S	20/06/2024	9:42:35 AM	1,769.5000	37	TQEX
Genmab A/S	20/06/2024	9:42:40 AM	1,769.0000	56	XCSE
Genmab A/S	20/06/2024	9:42:40 AM	1,769.0000	75	XCSE
Genmab A/S	20/06/2024	9:42:40 AM	1,769.0000	51	CEUX
Genmab A/S	20/06/2024	9:42:40 AM	1,769.0000	51	CEUX
Genmab A/S	20/06/2024	9:42:40 AM	1,769.0000	37	CEUX
Genmab A/S	20/06/2024	9:42:40 AM	1,769.0000	7	TQEX
Genmab A/S	20/06/2024	9:42:40 AM	1,769.0000	5	TQEX
Genmab A/S	20/06/2024	9:42:40 AM	1,769.0000	4	XCSE
Genmab A/S	20/06/2024	9:42:40 AM	1,769.0000	52	XCSE
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	56	XCSE
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	8	XCSE
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	8	XCSE
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	50	XCSE

46

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	58	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	50	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	2	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	8	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	8	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	4	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	4	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	4	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	4	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	8	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	5	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	9	TQEX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	9	TQEX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	9	TQEX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	9	TQEX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	9	TQEX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	11	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	17	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	11	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	12	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.5000	2	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	10	XCSE
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	13	XCSE
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	4	XCSE
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	4	XCSE
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	6	XCSE
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	17	XCSE
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	5	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	11	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	17	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	11	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	2	CEUX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	1	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	2	AQEU
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	5	TQEX
Genmab A/S	20/06/2024	9:44:39 AM	1,768.0000	5	TQEX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	10	XCSE
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	52	XCSE
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	52	XCSE
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	10	XCSE
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	28	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	28	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	50	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	50	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	6	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	22	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	28	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	6	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	22	CEUX

47

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	10	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	9	TQEX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	9	TQEX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	9	TQEX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	56	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	9	TQEX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	41	XCSE
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	21	XCSE
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	11	XCSE
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	17	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	15	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	9	TQEX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	8	TQEX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	51	XCSE
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	51	XCSE
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	11	XCSE
Genmab A/S	20/06/2024	9:47:27 AM	1,768.5000	68	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.0000	6	CEUX
Genmab A/S	20/06/2024	9:47:27 AM	1,768.0000	11	CEUX
Genmab A/S	20/06/2024	9:51:48 AM	1,768.0000	36	CEUX
Genmab A/S	20/06/2024	9:53:38 AM	1,768.0000	75	CEUX
Genmab A/S	20/06/2024	9:53:44 AM	1,768.0000	50	CEUX
Genmab A/S	20/06/2024	9:53:44 AM	1,768.0000	80	CEUX
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	114	XCSE
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	4	XCSE
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	104	XCSE
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	26	CEUX
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	95	CEUX
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	15	AQEU
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	5	AQEU
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	13	AQEU
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	14	AQEU
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	11	TQEX
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	14	TQEX
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	6	TQEX
Genmab A/S	20/06/2024	9:53:47 AM	1,768.0000	19	TQEX
Genmab A/S	20/06/2024	9:53:48 AM	1,768.0000	36	XCSE
Genmab A/S	20/06/2024	9:53:48 AM	1,768.0000	14	XCSE
Genmab A/S	20/06/2024	9:53:48 AM	1,768.0000	50	XCSE
Genmab A/S	20/06/2024	9:53:48 AM	1,768.0000	42	XCSE
Genmab A/S	20/06/2024	9:53:57 AM	1,767.0000	21	XCSE
Genmab A/S	20/06/2024	9:53:57 AM	1,767.0000	40	XCSE
Genmab A/S	20/06/2024	9:53:57 AM	1,767.0000	2	CEUX
Genmab A/S	20/06/2024	9:53:57 AM	1,767.0000	2	AQEU
Genmab A/S	20/06/2024	9:53:57 AM	1,767.0000	5	TQEX
Genmab A/S	20/06/2024	9:54:20 AM	1,768.0000	21	XCSE
Genmab A/S	20/06/2024	9:54:20 AM	1,768.0000	6	XCSE
Genmab A/S	20/06/2024	9:56:41 AM	1,773.5000	19	XCSE
Genmab A/S	20/06/2024	9:56:51 AM	1,773.0000	18	XCSE

48

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	6	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	2	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	1	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	7	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	1	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	30	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	56	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE

49

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	8	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	19	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	30	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	30	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	18	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	18	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	59	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	9	XCSE
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	17	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	17	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	1	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	17	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	2	AQEU
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	1	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	9	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,774.0000	10	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	17	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	6	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	2	AQEU
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	17	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	3	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	2	AQEU
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	2	AQEU
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	7	AQEU
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	4	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	1	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	8	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	1	AQEU
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	42	CEUX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	1	TQEX
Genmab A/S	20/06/2024	9:58:25 AM	1,773.0000	5	XCSE
Genmab A/S	20/06/2024	9:58:40 AM	1,770.0000	5	TQEX
Genmab A/S	20/06/2024	9:58:40 AM	1,770.0000	17	CEUX
Genmab A/S	20/06/2024	9:58:40 AM	1,770.0000	15	CEUX
Genmab A/S	20/06/2024	9:58:40 AM	1,770.0000	2	AQEU
Genmab A/S	20/06/2024	9:58:40 AM	1,770.0000	2	AQEU
Genmab A/S	20/06/2024	9:58:40 AM	1,770.0000	18	XCSE
Genmab A/S	20/06/2024	9:58:40 AM	1,770.0000	5	XCSE
Genmab A/S	20/06/2024	9:58:40 AM	1,770.0000	18	XCSE
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	21	CEUX
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	5	TQEX
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	7	CEUX
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	14	CEUX
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	9	CEUX

50

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	3	AQEU
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	8	AQEU
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	5	TQEX
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	5	TQEX
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	22	XCSE
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	22	XCSE
Genmab A/S	20/06/2024	10:02:11 AM	1,773.0000	22	XCSE
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	40	CEUX
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	20	CEUX
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	21	CEUX
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	6	TQEX
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	5	TQEX
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	5	TQEX
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	44	XCSE
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	22	XCSE
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	22	XCSE
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	34	XCSE
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	20	CEUX
Genmab A/S	20/06/2024	10:02:13 AM	1,775.5000	10	CEUX
Genmab A/S	20/06/2024	10:02:14 AM	1,775.5000	11	CEUX
Genmab A/S	20/06/2024	10:02:14 AM	1,775.5000	19	CEUX
Genmab A/S	20/06/2024	10:02:14 AM	1,775.5000	1	CEUX
Genmab A/S	20/06/2024	10:02:14 AM	1,775.5000	19	CEUX
Genmab A/S	20/06/2024	10:02:14 AM	1,775.5000	5	TQEX
Genmab A/S	20/06/2024	10:02:14 AM	1,775.5000	5	TQEX
Genmab A/S	20/06/2024	10:02:14 AM	1,775.5000	6	TQEX
Genmab A/S	20/06/2024	10:02:14 AM	1,775.5000	17	XCSE
Genmab A/S	20/06/2024	10:02:14 AM	1,775.5000	22	XCSE
Genmab A/S	20/06/2024	10:02:14 AM	1,775.5000	22	XCSE
Genmab A/S	20/06/2024	10:08:26 AM	1,782.0000	2	XCSE
Genmab A/S	20/06/2024	10:08:27 AM	1,782.0000	4	XCSE
Genmab A/S	20/06/2024	10:08:27 AM	1,782.0000	31	XCSE
Genmab A/S	20/06/2024	10:08:27 AM	1,781.5000	102	XCSE
Genmab A/S	20/06/2024	10:08:27 AM	1,781.5000	8	XCSE
Genmab A/S	20/06/2024	10:08:30 AM	1,781.5000	110	XCSE
Genmab A/S	20/06/2024	10:08:30 AM	1,781.5000	110	XCSE
Genmab A/S	20/06/2024	10:08:30 AM	1,781.5000	32	XCSE
Genmab A/S	20/06/2024	10:08:30 AM	1,781.5000	19	XCSE
Genmab A/S	20/06/2024	10:08:30 AM	1,781.5000	9	AQEU
Genmab A/S	20/06/2024	10:08:30 AM	1,781.5000	5	AQEU
Genmab A/S	20/06/2024	10:08:30 AM	1,781.5000	14	AQEU
Genmab A/S	20/06/2024	10:08:30 AM	1,781.5000	14	AQEU
Genmab A/S	20/06/2024	10:08:30 AM	1,781.5000	6	AQEU
Genmab A/S	20/06/2024	10:09:02 AM	1,780.5000	19	XCSE
Genmab A/S	20/06/2024	10:09:02 AM	1,780.5000	5	TQEX
Genmab A/S	20/06/2024	10:10:24 AM	1,781.5000	3	XCSE
Genmab A/S	20/06/2024	10:10:24 AM	1,781.5000	7	XCSE
Genmab A/S	20/06/2024	10:10:24 AM	1,781.5000	10	XCSE
Genmab A/S	20/06/2024	10:10:24 AM	1,781.5000	4	XCSE

51

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	10:10:24 AM	1,781.5000	10	CEUX
Genmab A/S	20/06/2024	10:10:24 AM	1,781.5000	10	CEUX
Genmab A/S	20/06/2024	10:10:24 AM	1,781.5000	10	CEUX
Genmab A/S	20/06/2024	10:10:24 AM	1,781.5000	5	TQEX
Genmab A/S	20/06/2024	10:10:24 AM	1,781.5000	10	CEUX
Genmab A/S	20/06/2024	10:12:06 AM	1,783.5000	10	CEUX
Genmab A/S	20/06/2024	10:12:06 AM	1,783.5000	10	CEUX
Genmab A/S	20/06/2024	10:12:06 AM	1,783.5000	10	CEUX
Genmab A/S	20/06/2024	10:12:06 AM	1,783.5000	10	CEUX
Genmab A/S	20/06/2024	10:12:06 AM	1,783.5000	3	CEUX
Genmab A/S	20/06/2024	10:12:06 AM	1,783.5000	10	CEUX
Genmab A/S	20/06/2024	10:12:06 AM	1,783.5000	3	CEUX
Genmab A/S	20/06/2024	10:12:06 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	10:12:07 AM	1,783.5000	9	XCSE
Genmab A/S	20/06/2024	10:12:16 AM	1,785.0000	41	XCSE
Genmab A/S	20/06/2024	10:12:16 AM	1,785.0000	37	CEUX
Genmab A/S	20/06/2024	10:12:16 AM	1,785.0000	5	TQEX
Genmab A/S	20/06/2024	10:12:16 AM	1,785.0000	41	XCSE
Genmab A/S	20/06/2024	10:12:16 AM	1,785.0000	37	CEUX
Genmab A/S	20/06/2024	10:12:16 AM	1,785.0000	41	XCSE
Genmab A/S	20/06/2024	10:12:16 AM	1,785.0000	41	XCSE
Genmab A/S	20/06/2024	10:12:16 AM	1,785.0000	15	XCSE
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	9	XCSE
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	7	XCSE
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	5	XCSE
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	4	XCSE
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	7	XCSE
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	11	XCSE
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	9	XCSE
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	7	XCSE
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	9	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	8	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	9	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	8	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	1	AQEU
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	1	AQEU
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	1	AQEU
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	1	AQEU
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	1	AQEU
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	1	AQEU
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	9	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	8	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	9	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	8	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	9	CEUX

52

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	8	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	3	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	8	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	1	CEUX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	9	XCSE
Genmab A/S	20/06/2024	10:14:19 AM	1,783.5000	7	XCSE
Genmab A/S	20/06/2024	10:14:59 AM	1,785.0000	8	XCSE
Genmab A/S	20/06/2024	10:14:59 AM	1,785.0000	44	XCSE
Genmab A/S	20/06/2024	10:14:59 AM	1,785.0000	9	CEUX
Genmab A/S	20/06/2024	10:14:59 AM	1,785.0000	5	TQEX
Genmab A/S	20/06/2024	10:14:59 AM	1,785.0000	9	CEUX
Genmab A/S	20/06/2024	10:14:59 AM	1,785.0000	1	AQEU
Genmab A/S	20/06/2024	10:14:59 AM	1,785.0000	5	TQEX
Genmab A/S	20/06/2024	10:14:59 AM	1,785.0000	33	TQEX
Genmab A/S	20/06/2024	10:14:59 AM	1,785.0000	23	CEUX
Genmab A/S	20/06/2024	10:15:18 AM	1,784.5000	32	XCSE
Genmab A/S	20/06/2024	10:15:18 AM	1,784.5000	32	XCSE
Genmab A/S	20/06/2024	10:15:22 AM	1,784.0000	19	XCSE
Genmab A/S	20/06/2024	10:15:22 AM	1,784.0000	50	XCSE
Genmab A/S	20/06/2024	10:16:20 AM	1,783.0000	7	AQEU
Genmab A/S	20/06/2024	10:16:20 AM	1,783.0000	38	CEUX
Genmab A/S	20/06/2024	10:16:20 AM	1,783.0000	10	CEUX
Genmab A/S	20/06/2024	10:16:20 AM	1,783.0000	19	CEUX
Genmab A/S	20/06/2024	10:16:20 AM	1,783.0000	7	TQEX
Genmab A/S	20/06/2024	10:16:20 AM	1,783.0000	38	XCSE
Genmab A/S	20/06/2024	10:17:49 AM	1,784.0000	21	XCSE
Genmab A/S	20/06/2024	10:17:49 AM	1,784.0000	21	XCSE
Genmab A/S	20/06/2024	10:17:49 AM	1,784.0000	21	CEUX
Genmab A/S	20/06/2024	10:17:49 AM	1,784.0000	9	CEUX
Genmab A/S	20/06/2024	10:17:49 AM	1,784.0000	8	CEUX
Genmab A/S	20/06/2024	10:17:49 AM	1,784.0000	4	CEUX
Genmab A/S	20/06/2024	10:17:49 AM	1,784.0000	21	CEUX
Genmab A/S	20/06/2024	10:17:49 AM	1,784.0000	4	CEUX
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	21	CEUX
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	21	CEUX
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	3	CEUX
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	21	CEUX
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	3	AQEU
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	3	AQEU
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	3	AQEU
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	3	AQEU
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	3	AQEU
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	9	AQEU
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	9	AQEU

53

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	9	AQEU
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	22	XCSE
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	22	XCSE
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	22	XCSE
Genmab A/S	20/06/2024	10:18:37 AM	1,783.5000	6	XCSE
Genmab A/S	20/06/2024	10:18:37 AM	1,783.0000	21	XCSE
Genmab A/S	20/06/2024	10:18:37 AM	1,783.0000	21	XCSE
Genmab A/S	20/06/2024	10:18:37 AM	1,783.0000	21	XCSE
Genmab A/S	20/06/2024	10:18:37 AM	1,783.0000	21	XCSE
Genmab A/S	20/06/2024	10:18:37 AM	1,783.0000	12	CEUX
Genmab A/S	20/06/2024	10:18:37 AM	1,783.0000	2	AQEU
Genmab A/S	20/06/2024	10:18:37 AM	1,783.0000	2	AQEU
Genmab A/S	20/06/2024	10:18:37 AM	1,783.0000	2	AQEU
Genmab A/S	20/06/2024	10:18:37 AM	1,783.0000	5	TQEX
Genmab A/S	20/06/2024	10:18:37 AM	1,783.0000	5	TQEX
Genmab A/S	20/06/2024	10:20:25 AM	1,784.0000	5	TQEX
Genmab A/S	20/06/2024	10:20:25 AM	1,784.0000	9	CEUX
Genmab A/S	20/06/2024	10:20:25 AM	1,784.0000	9	CEUX
Genmab A/S	20/06/2024	10:20:25 AM	1,784.0000	9	CEUX
Genmab A/S	20/06/2024	10:20:25 AM	1,784.0000	3	CEUX
Genmab A/S	20/06/2024	10:20:25 AM	1,784.0000	1	AQEU
Genmab A/S	20/06/2024	10:21:40 AM	1,784.5000	60	XCSE
Genmab A/S	20/06/2024	10:21:40 AM	1,784.5000	73	XCSE
Genmab A/S	20/06/2024	10:21:41 AM	1,784.5000	8	AQEU
Genmab A/S	20/06/2024	10:21:41 AM	1,784.5000	10	TQEX
Genmab A/S	20/06/2024	10:21:41 AM	1,784.5000	71	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	16	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	64	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	13	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	16	CEUX
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	16	CEUX
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	16	CEUX
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	5	TQEX
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	5	TQEX
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	3	TQEX
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	39	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	6	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	27	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	6	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	10	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	5	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	6	XCSE
Genmab A/S	20/06/2024	10:22:27 AM	1,788.0000	16	XCSE
Genmab A/S	20/06/2024	10:25:13 AM	1,786.5000	11	TQEX
Genmab A/S	20/06/2024	10:25:40 AM	1,787.0000	2	TQEX
Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	7	XCSE
Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	29	XCSE
Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	20	TQEX
Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	4	CEUX

54

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	5	AQEU
Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	2	CEUX
Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	19	XCSE
Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	29	XCSE
Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	31	CEUX
Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	6	TQEX
Genmab A/S	20/06/2024	10:25:45 AM	1,787.0000	6	XCSE
Genmab A/S	20/06/2024	10:25:47 AM	1,787.0000	30	XCSE
Genmab A/S	20/06/2024	10:25:47 AM	1,787.0000	12	XCSE
Genmab A/S	20/06/2024	10:25:47 AM	1,787.0000	31	XCSE
Genmab A/S	20/06/2024	10:25:47 AM	1,787.0000	6	CEUX
Genmab A/S	20/06/2024	10:25:47 AM	1,787.0000	30	XCSE
Genmab A/S	20/06/2024	10:25:47 AM	1,787.0000	27	XCSE
Genmab A/S	20/06/2024	10:25:47 AM	1,787.0000	46	XCSE
Genmab A/S	20/06/2024	10:25:47 AM	1,787.0000	49	XCSE
Genmab A/S	20/06/2024	10:26:06 AM	1,785.5000	20	CEUX
Genmab A/S	20/06/2024	10:26:06 AM	1,785.5000	20	CEUX
Genmab A/S	20/06/2024	10:26:06 AM	1,785.5000	3	AQEU
Genmab A/S	20/06/2024	10:26:06 AM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	10:26:06 AM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	10:26:06 AM	1,785.5000	22	XCSE
Genmab A/S	20/06/2024	10:26:06 AM	1,785.5000	22	XCSE
Genmab A/S	20/06/2024	10:26:06 AM	1,785.5000	17	CEUX
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	18	XCSE
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	21	XCSE
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	5	XCSE
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	2	AQEU
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	2	AQEU
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	5	TQEX
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	5	TQEX
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	17	CEUX
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	20	CEUX
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	2	AQEU
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	2	AQEU
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	2	AQEU
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	2	AQEU
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	5	TQEX
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	5	TQEX
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	3	CEUX
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	13	XCSE
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	21	XCSE
Genmab A/S	20/06/2024	10:27:12 AM	1,786.0000	5	XCSE
Genmab A/S	20/06/2024	10:29:03 AM	1,787.0000	17	CEUX
Genmab A/S	20/06/2024	10:29:03 AM	1,787.0000	2	CEUX
Genmab A/S	20/06/2024	10:29:03 AM	1,787.0000	19	CEUX
Genmab A/S	20/06/2024	10:29:03 AM	1,787.0000	5	TQEX
Genmab A/S	20/06/2024	10:29:03 AM	1,787.0000	20	XCSE
Genmab A/S	20/06/2024	10:29:03 AM	1,787.0000	20	XCSE
Genmab A/S	20/06/2024	10:29:03 AM	1,787.0000	20	XCSE

55

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	10:29:03 AM	1,787.0000	20	XCSE
Genmab A/S	20/06/2024	10:29:03 AM	1,787.0000	19	CEUX
Genmab A/S	20/06/2024	10:29:03 AM	1,787.0000	7	CEUX
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	33	CEUX
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	8	AQEU
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	8	AQEU
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	8	AQEU
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	8	TQEX
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	8	AQEU
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	18	TQEX
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	8	TQEX
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	60	XCSE
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	34	XCSE
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	26	XCSE
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	34	XCSE
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	26	XCSE
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	34	XCSE
Genmab A/S	20/06/2024	10:30:38 AM	1,788.0000	26	XCSE
Genmab A/S	20/06/2024	10:30:39 AM	1,788.0000	3	CEUX
Genmab A/S	20/06/2024	10:30:39 AM	1,788.0000	8	AQEU
Genmab A/S	20/06/2024	10:30:39 AM	1,788.0000	4	AQEU
Genmab A/S	20/06/2024	10:30:39 AM	1,788.0000	8	TQEX
Genmab A/S	20/06/2024	10:30:39 AM	1,788.0000	4	TQEX
Genmab A/S	20/06/2024	10:30:39 AM	1,788.0000	19	CEUX
Genmab A/S	20/06/2024	10:30:39 AM	1,788.0000	15	CEUX
Genmab A/S	20/06/2024	10:30:41 AM	1,788.0000	131	XCSE
Genmab A/S	20/06/2024	10:30:41 AM	1,788.0000	50	XCSE
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	6	CEUX
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	1	CEUX
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	15	CEUX
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	5	CEUX
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	16	CEUX
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	20	CEUX
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	1	CEUX
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	5	TQEX
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	10:31:25 AM	1,787.0000	6	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	51	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	45	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	10	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	2	AQEU
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	5	AQEU
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	9	AQEU
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	1	AQEU
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	6	AQEU
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	1	AQEU
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	7	AQEU

56

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	7	AQEU
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	7	TQEX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	7	TQEX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	9	TQEX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	35	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	7	TQEX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	19	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	23	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	3	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	40	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	51	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	27	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	33	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	18	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	9	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	51	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	3	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	23	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	31	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	3	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	2	AQEU
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	21	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,785.0000	42	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	22	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	22	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	22	CEUX
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	4	AQEU
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	5	TQEX
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	5	TQEX
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	5	TQEX
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	5	TQEX
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	22	XCSE
Genmab A/S	20/06/2024	10:35:40 AM	1,784.5000	26	CEUX
Genmab A/S	20/06/2024	10:36:11 AM	1,778.0000	45	XCSE
Genmab A/S	20/06/2024	10:36:11 AM	1,778.0000	14	XCSE
Genmab A/S	20/06/2024	10:38:02 AM	1,776.0000	67	XCSE
Genmab A/S	20/06/2024	10:38:02 AM	1,776.0000	41	XCSE
Genmab A/S	20/06/2024	10:38:02 AM	1,776.0000	99	XCSE
Genmab A/S	20/06/2024	10:38:02 AM	1,776.0000	14	XCSE
Genmab A/S	20/06/2024	10:38:03 AM	1,776.0000	12	XCSE
Genmab A/S	20/06/2024	10:39:24 AM	1,775.0000	43	XCSE
Genmab A/S	20/06/2024	10:39:24 AM	1,775.0000	24	XCSE
Genmab A/S	20/06/2024	10:39:24 AM	1,775.0000	43	XCSE
Genmab A/S	20/06/2024	10:39:24 AM	1,775.0000	4	XCSE
Genmab A/S	20/06/2024	10:41:04 AM	1,772.5000	19	XCSE
Genmab A/S	20/06/2024	10:41:04 AM	1,772.5000	19	CEUX
Genmab A/S	20/06/2024	10:41:04 AM	1,772.5000	3	CEUX
Genmab A/S	20/06/2024	10:41:04 AM	1,772.5000	6	CEUX
Genmab A/S	20/06/2024	10:41:04 AM	1,772.5000	2	AQEU

57

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	10:41:04 AM	1,772.5000	9	AQEU
Genmab A/S	20/06/2024	10:41:04 AM	1,772.5000	5	TQEX
Genmab A/S	20/06/2024	10:41:04 AM	1,772.5000	3	TQEX
Genmab A/S	20/06/2024	10:41:04 AM	1,772.5000	12	XCSE
Genmab A/S	20/06/2024	10:44:59 AM	1,776.0000	38	CEUX
Genmab A/S	20/06/2024	10:44:59 AM	1,776.0000	44	CEUX
Genmab A/S	20/06/2024	10:44:59 AM	1,776.0000	12	AQEU
Genmab A/S	20/06/2024	10:44:59 AM	1,776.0000	12	TQEX
Genmab A/S	20/06/2024	10:44:59 AM	1,776.0000	58	XCSE
Genmab A/S	20/06/2024	10:44:59 AM	1,776.0000	33	XCSE
Genmab A/S	20/06/2024	10:44:59 AM	1,775.0000	22	XCSE
Genmab A/S	20/06/2024	10:44:59 AM	1,775.0000	1	XCSE
Genmab A/S	20/06/2024	10:44:59 AM	1,775.0000	22	XCSE
Genmab A/S	20/06/2024	10:44:59 AM	1,775.0000	5	XCSE
Genmab A/S	20/06/2024	10:44:59 AM	1,775.0000	50	XCSE
Genmab A/S	20/06/2024	10:44:59 AM	1,775.0000	50	XCSE
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	81	XCSE
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	22	XCSE
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	22	XCSE
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	22	XCSE
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	8	XCSE
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	14	XCSE
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	14	XCSE
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	6	XCSE
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	73	CEUX
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	11	AQEU
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	11	TQEX
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	16	XCSE
Genmab A/S	20/06/2024	10:48:38 AM	1,779.0000	48	XCSE
Genmab A/S	20/06/2024	10:50:03 AM	1,778.0000	9	CEUX
Genmab A/S	20/06/2024	10:50:03 AM	1,778.0000	31	CEUX
Genmab A/S	20/06/2024	10:50:03 AM	1,778.0000	29	CEUX
Genmab A/S	20/06/2024	10:50:03 AM	1,778.0000	10	AQEU
Genmab A/S	20/06/2024	10:50:03 AM	1,778.0000	11	TQEX
Genmab A/S	20/06/2024	10:50:03 AM	1,778.0000	77	XCSE
Genmab A/S	20/06/2024	10:50:03 AM	1,777.5000	23	TQEX
Genmab A/S	20/06/2024	10:50:03 AM	1,777.5000	18	TQEX
Genmab A/S	20/06/2024	10:51:39 AM	1,776.5000	74	XCSE
Genmab A/S	20/06/2024	10:51:39 AM	1,776.5000	10	XCSE
Genmab A/S	20/06/2024	10:51:39 AM	1,776.5000	76	CEUX
Genmab A/S	20/06/2024	10:51:39 AM	1,776.5000	12	TQEX
Genmab A/S	20/06/2024	10:51:39 AM	1,776.5000	11	AQEU
Genmab A/S	20/06/2024	10:54:02 AM	1,777.0000	13	CEUX
Genmab A/S	20/06/2024	10:54:02 AM	1,777.0000	55	CEUX
Genmab A/S	20/06/2024	10:54:02 AM	1,777.0000	10	TQEX
Genmab A/S	20/06/2024	10:54:02 AM	1,777.0000	75	XCSE
Genmab A/S	20/06/2024	10:54:56 AM	1,777.0000	73	XCSE
Genmab A/S	20/06/2024	10:54:56 AM	1,777.0000	63	CEUX
Genmab A/S	20/06/2024	10:54:56 AM	1,777.0000	2	CEUX

58

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	10:54:56 AM	1,777.0000	10	AQEU
Genmab A/S	20/06/2024	10:54:56 AM	1,777.0000	10	TQEX
Genmab A/S	20/06/2024	10:56:54 AM	1,776.5000	17	CEUX
Genmab A/S	20/06/2024	10:56:54 AM	1,776.5000	47	CEUX
Genmab A/S	20/06/2024	10:56:54 AM	1,776.5000	9	AQEU
Genmab A/S	20/06/2024	10:56:54 AM	1,776.5000	4	TQEX
Genmab A/S	20/06/2024	10:56:54 AM	1,776.5000	6	TQEX
Genmab A/S	20/06/2024	10:56:54 AM	1,776.5000	70	XCSE
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	6	XCSE
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	1	XCSE
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	39	XCSE
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	20	XCSE
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	1	XCSE
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	60	XCSE
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	20	CEUX
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	2	AQEU
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	5	TQEX
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	20	CEUX
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	20	CEUX
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	3	CEUX
Genmab A/S	20/06/2024	10:56:54 AM	1,776.0000	1	AQEU
Genmab A/S	20/06/2024	10:59:12 AM	1,776.0000	21	XCSE
Genmab A/S	20/06/2024	10:59:12 AM	1,776.0000	21	XCSE
Genmab A/S	20/06/2024	10:59:12 AM	1,776.0000	23	XCSE
Genmab A/S	20/06/2024	10:59:12 AM	1,776.0000	21	XCSE
Genmab A/S	20/06/2024	10:59:12 AM	1,776.0000	21	XCSE
Genmab A/S	20/06/2024	11:01:26 AM	1,776.0000	33	CEUX
Genmab A/S	20/06/2024	11:02:30 AM	1,776.0000	39	XCSE
Genmab A/S	20/06/2024	11:02:30 AM	1,776.0000	35	XCSE
Genmab A/S	20/06/2024	11:02:30 AM	1,776.0000	104	XCSE
Genmab A/S	20/06/2024	11:02:30 AM	1,776.0000	34	CEUX
Genmab A/S	20/06/2024	11:02:30 AM	1,776.0000	32	CEUX
Genmab A/S	20/06/2024	11:02:30 AM	1,776.0000	10	CEUX
Genmab A/S	20/06/2024	11:02:30 AM	1,776.0000	10	TQEX
Genmab A/S	20/06/2024	11:02:30 AM	1,776.0000	14	TQEX
Genmab A/S	20/06/2024	11:02:30 AM	1,776.0000	16	CEUX
Genmab A/S	20/06/2024	11:04:46 AM	1,776.0000	95	CEUX
Genmab A/S	20/06/2024	11:04:46 AM	1,776.0000	9	TQEX
Genmab A/S	20/06/2024	11:04:46 AM	1,776.0000	5	TQEX
Genmab A/S	20/06/2024	11:04:46 AM	1,776.0000	36	CEUX
Genmab A/S	20/06/2024	11:04:46 AM	1,776.0000	6	CEUX
Genmab A/S	20/06/2024	11:04:46 AM	1,776.0000	1	TQEX
Genmab A/S	20/06/2024	11:06:15 AM	1,777.5000	10	CEUX
Genmab A/S	20/06/2024	11:06:15 AM	1,777.5000	26	CEUX
Genmab A/S	20/06/2024	11:06:32 AM	1,783.0000	17	CEUX
Genmab A/S	20/06/2024	11:06:32 AM	1,783.0000	10	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	56	XCSE
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	56	XCSE
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	56	XCSE

59

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	56	XCSE
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	21	XCSE
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	23	XCSE
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	51	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	51	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	37	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	51	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	37	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	14	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	8	AQEU
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	8	AQEU
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	8	AQEU
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	2	AQEU
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	8	AQEU
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	8	AQEU
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	2	AQEU
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	7	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	7	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	2	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	4	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	7	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	2	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	7	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	2	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	7	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,782.5000	2	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	18	XCSE
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	22	XCSE
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	18	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	20	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	18	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	20	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	12	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	13	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	5	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	15	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	5	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	14	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	10	CEUX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	3	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	5	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	1	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	1	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	2	TQEX
Genmab A/S	20/06/2024	11:06:36 AM	1,781.5000	10	CEUX
Genmab A/S	20/06/2024	11:06:41 AM	1,781.5000	22	XCSE
Genmab A/S	20/06/2024	11:06:41 AM	1,781.5000	43	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	22	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	1	XCSE

60

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	9	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	12	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	20	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	20	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	14	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	14	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	6	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	3	AQEU
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	3	AQEU
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	3	AQEU
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	1	AQEU
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	5	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	5	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	7	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	5	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	5	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	5	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	16	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	4	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	4	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	2	AQEU
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	5	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	9	AQEU
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	22	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	6	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	8	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	16	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	20	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	5	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,782.0000	40	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	4	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	8	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	36	CEUX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	2	AQEU
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	1	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	5	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	5	TQEX
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	20	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	4	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	12	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	8	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	8	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	12	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	11	XCSE
Genmab A/S	20/06/2024	11:08:51 AM	1,781.5000	26	XCSE
Genmab A/S	20/06/2024	11:11:56 AM	1,779.0000	8	CEUX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	26	XCSE
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	70	XCSE
Genmab A/S	20/06/2024	11:16:40 AM	1,781.5000	12	CEUX

61

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	6	CEUX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	19	CEUX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	25	CEUX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	25	CEUX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	11	CEUX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	4	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	9	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	1	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	3	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	3	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	1	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	2	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	4	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	5	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	4	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	4	AQEU
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	28	TQEX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	5	TQEX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	3	TQEX
Genmab A/S	20/06/2024	11:16:40 AM	1,783.5000	4	AQEU
Genmab A/S	20/06/2024	11:18:45 AM	1,783.0000	20	XCSE
Genmab A/S	20/06/2024	11:18:45 AM	1,783.0000	17	XCSE
Genmab A/S	20/06/2024	11:18:45 AM	1,783.0000	3	XCSE
Genmab A/S	20/06/2024	11:18:45 AM	1,783.0000	12	XCSE
Genmab A/S	20/06/2024	11:18:45 AM	1,783.0000	19	CEUX
Genmab A/S	20/06/2024	11:18:45 AM	1,783.0000	5	TQEX
Genmab A/S	20/06/2024	11:18:45 AM	1,783.0000	15	CEUX
Genmab A/S	20/06/2024	11:18:45 AM	1,783.0000	4	CEUX
Genmab A/S	20/06/2024	11:18:45 AM	1,783.0000	1	AQEU
Genmab A/S	20/06/2024	11:18:46 AM	1,783.0000	2	CEUX
Genmab A/S	20/06/2024	11:20:48 AM	1,782.5000	23	XCSE
Genmab A/S	20/06/2024	11:20:48 AM	1,782.5000	51	XCSE
Genmab A/S	20/06/2024	11:20:48 AM	1,782.5000	66	CEUX
Genmab A/S	20/06/2024	11:20:48 AM	1,782.5000	10	AQEU
Genmab A/S	20/06/2024	11:20:48 AM	1,782.5000	10	TQEX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	22	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	22	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	10	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	12	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	22	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	10	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	12	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	22	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	10	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	12	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	10	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	22	CEUX

62

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	22	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	22	CEUX
Genmab A/S	20/06/2024	11:22:43 AM	1,784.0000	8	CEUX
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	27	CEUX
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	54	XCSE
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	31	XCSE
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	23	XCSE
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	23	XCSE
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	18	XCSE
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	22	CEUX
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	49	CEUX
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	49	CEUX
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	36	XCSE
Genmab A/S	20/06/2024	11:24:57 AM	1,784.0000	18	XCSE
Genmab A/S	20/06/2024	11:27:10 AM	1,783.5000	2	AQEU
Genmab A/S	20/06/2024	11:28:19 AM	1,785.0000	10	XCSE
Genmab A/S	20/06/2024	11:28:19 AM	1,785.0000	6	XCSE
Genmab A/S	20/06/2024	11:28:19 AM	1,785.0000	6	XCSE
Genmab A/S	20/06/2024	11:28:24 AM	1,785.0000	40	CEUX
Genmab A/S	20/06/2024	11:28:47 AM	1,785.0000	3	XCSE
Genmab A/S	20/06/2024	11:28:48 AM	1,785.0000	34	XCSE
Genmab A/S	20/06/2024	11:29:06 AM	1,785.0000	33	CEUX
Genmab A/S	20/06/2024	11:29:21 AM	1,785.0000	18	CEUX
Genmab A/S	20/06/2024	11:29:21 AM	1,785.0000	21	CEUX
Genmab A/S	20/06/2024	11:29:40 AM	1,785.5000	6	CEUX
Genmab A/S	20/06/2024	11:29:40 AM	1,785.5000	9	CEUX
Genmab A/S	20/06/2024	11:29:40 AM	1,785.5000	25	CEUX
Genmab A/S	20/06/2024	11:30:02 AM	1,785.5000	36	CEUX
Genmab A/S	20/06/2024	11:30:02 AM	1,785.5000	2	CEUX
Genmab A/S	20/06/2024	11:30:51 AM	1,784.5000	17	XCSE
Genmab A/S	20/06/2024	11:30:51 AM	1,785.0000	76	XCSE
Genmab A/S	20/06/2024	11:30:51 AM	1,784.5000	7	XCSE
Genmab A/S	20/06/2024	11:31:16 AM	1,785.0000	2	XCSE
Genmab A/S	20/06/2024	11:31:17 AM	1,785.0000	23	CEUX
Genmab A/S	20/06/2024	11:31:17 AM	1,785.0000	15	CEUX
Genmab A/S	20/06/2024	11:31:43 AM	1,785.0000	35	XCSE
Genmab A/S	20/06/2024	11:31:43 AM	1,784.5000	14	XCSE
Genmab A/S	20/06/2024	11:31:43 AM	1,784.5000	35	XCSE
Genmab A/S	20/06/2024	11:31:43 AM	1,784.5000	50	XCSE
Genmab A/S	20/06/2024	11:31:43 AM	1,784.5000	13	XCSE
Genmab A/S	20/06/2024	11:31:43 AM	1,784.5000	9	XCSE
Genmab A/S	20/06/2024	11:31:43 AM	1,784.5000	27	XCSE
Genmab A/S	20/06/2024	11:31:43 AM	1,784.5000	89	CEUX
Genmab A/S	20/06/2024	11:31:43 AM	1,784.5000	10	CEUX
Genmab A/S	20/06/2024	11:31:43 AM	1,784.5000	13	TQEX
Genmab A/S	20/06/2024	11:31:43 AM	1,784.5000	5	TQEX
Genmab A/S	20/06/2024	11:34:23 AM	1,785.5000	7	XCSE
Genmab A/S	20/06/2024	11:34:23 AM	1,785.5000	32	XCSE
Genmab A/S	20/06/2024	11:34:38 AM	1,785.5000	3	CEUX

63

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	11:34:38 AM	1,785.5000	6	XCSE
Genmab A/S	20/06/2024	11:34:38 AM	1,785.5000	26	XCSE
Genmab A/S	20/06/2024	11:35:15 AM	1,786.0000	40	XCSE
Genmab A/S	20/06/2024	11:35:19 AM	1,786.0000	27	XCSE
Genmab A/S	20/06/2024	11:35:36 AM	1,786.0000	19	CEUX
Genmab A/S	20/06/2024	11:35:36 AM	1,786.0000	16	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	64	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	17	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	35	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	17	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	34	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	75	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	5	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	72	CEUX
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	16	CEUX
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	11	TQEX
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	56	CEUX
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	2	CEUX
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	3	AQEU
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	27	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	50	CEUX
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	43	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	31	XCSE
Genmab A/S	20/06/2024	11:35:46 AM	1,785.5000	2	XCSE
Genmab A/S	20/06/2024	11:41:03 AM	1,785.5000	9	AQEU
Genmab A/S	20/06/2024	11:41:03 AM	1,785.5000	14	AQEU
Genmab A/S	20/06/2024	11:41:03 AM	1,785.5000	9	AQEU
Genmab A/S	20/06/2024	11:41:19 AM	1,785.5000	28	CEUX
Genmab A/S	20/06/2024	11:41:19 AM	1,785.5000	9	TQEX
Genmab A/S	20/06/2024	11:41:39 AM	1,785.5000	34	TQEX
Genmab A/S	20/06/2024	11:42:00 AM	1,785.5000	5	XCSE
Genmab A/S	20/06/2024	11:42:00 AM	1,785.5000	32	XCSE
Genmab A/S	20/06/2024	11:42:05 AM	1,785.0000	24	XCSE
Genmab A/S	20/06/2024	11:42:05 AM	1,785.0000	8	XCSE
Genmab A/S	20/06/2024	11:42:05 AM	1,785.0000	23	CEUX
Genmab A/S	20/06/2024	11:42:05 AM	1,785.0000	1	CEUX
Genmab A/S	20/06/2024	11:42:05 AM	1,785.0000	1	AQEU
Genmab A/S	20/06/2024	11:42:05 AM	1,785.0000	5	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,786.0000	7	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,786.0000	3	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	6	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	6	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	4	CEUX

64

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	10	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	1	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	1	AQEU
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	4	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,786.5000	9	AQEU
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	13	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	13	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	1	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	10	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	10	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	10	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	4	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	3	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	9	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	1	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	3	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	3	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	11	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	XCSE

65

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	9	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	11	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	10	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	4	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	4	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	5	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	14	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	36	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	3	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	9	AQEU
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	2	AQEU
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	9	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	4	TQEX
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	16	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	8	XCSE
Genmab A/S	20/06/2024	11:45:50 AM	1,785.5000	2	AQEU
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	18	XCSE
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	4	XCSE
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	11	XCSE
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	7	XCSE
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	1	XCSE
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	7	XCSE
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	3	XCSE
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	7	XCSE
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	18	CEUX
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	18	CEUX
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	5	TQEX
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	5	TQEX
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	11	CEUX
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	7	CEUX
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	5	TQEX
Genmab A/S	20/06/2024	11:48:05 AM	1,787.0000	9	CEUX
Genmab A/S	20/06/2024	11:49:07 AM	1,786.0000	7	AQEU
Genmab A/S	20/06/2024	11:51:09 AM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	11:51:40 AM	1,786.5000	35	XCSE
Genmab A/S	20/06/2024	11:51:47 AM	1,786.5000	35	XCSE
Genmab A/S	20/06/2024	11:52:38 AM	1,787.0000	76	CEUX
Genmab A/S	20/06/2024	11:52:51 AM	1,787.0000	38	XCSE
Genmab A/S	20/06/2024	11:52:57 AM	1,786.5000	20	XCSE
Genmab A/S	20/06/2024	11:52:57 AM	1,786.5000	14	XCSE

66

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	11:52:57 AM	1,786.5000	51	XCSE
Genmab A/S	20/06/2024	11:52:57 AM	1,786.5000	6	XCSE
Genmab A/S	20/06/2024	11:52:57 AM	1,786.5000	47	CEUX
Genmab A/S	20/06/2024	11:52:57 AM	1,786.5000	7	TQEX
Genmab A/S	20/06/2024	11:54:58 AM	1,788.5000	3	CEUX
Genmab A/S	20/06/2024	11:54:58 AM	1,788.5000	26	CEUX
Genmab A/S	20/06/2024	11:54:58 AM	1,788.5000	35	CEUX
Genmab A/S	20/06/2024	11:54:58 AM	1,788.5000	3	CEUX
Genmab A/S	20/06/2024	11:55:12 AM	1,788.5000	3	CEUX
Genmab A/S	20/06/2024	11:55:12 AM	1,788.5000	17	XCSE
Genmab A/S	20/06/2024	11:55:12 AM	1,788.5000	20	XCSE
Genmab A/S	20/06/2024	11:55:35 AM	1,788.5000	3	CEUX
Genmab A/S	20/06/2024	11:55:35 AM	1,788.5000	9	CEUX
Genmab A/S	20/06/2024	11:55:35 AM	1,788.5000	25	CEUX
Genmab A/S	20/06/2024	11:55:35 AM	1,788.5000	3	XCSE
Genmab A/S	20/06/2024	11:55:58 AM	1,788.5000	4	CEUX
Genmab A/S	20/06/2024	11:55:58 AM	1,788.5000	9	CEUX
Genmab A/S	20/06/2024	11:55:58 AM	1,788.5000	8	XCSE
Genmab A/S	20/06/2024	11:55:58 AM	1,788.5000	2	XCSE
Genmab A/S	20/06/2024	11:55:58 AM	1,788.5000	10	XCSE
Genmab A/S	20/06/2024	11:55:58 AM	1,788.5000	3	XCSE
Genmab A/S	20/06/2024	11:56:18 AM	1,788.0000	11	CEUX
Genmab A/S	20/06/2024	11:56:18 AM	1,788.0000	20	XCSE
Genmab A/S	20/06/2024	11:56:18 AM	1,788.0000	2	XCSE
Genmab A/S	20/06/2024	11:56:50 AM	1,788.5000	2	AQEU
Genmab A/S	20/06/2024	11:56:53 AM	1,788.5000	18	TQEX
Genmab A/S	20/06/2024	11:56:53 AM	1,788.5000	19	TQEX
Genmab A/S	20/06/2024	11:57:02 AM	1,788.5000	40	TQEX
Genmab A/S	20/06/2024	11:57:06 AM	1,788.0000	36	XCSE
Genmab A/S	20/06/2024	11:57:06 AM	1,788.0000	9	XCSE
Genmab A/S	20/06/2024	11:57:06 AM	1,788.0000	3	XCSE
Genmab A/S	20/06/2024	11:57:06 AM	1,788.0000	9	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	45	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	20	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	50	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	4	TQEX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	49	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	3	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	2	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	45	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	39	AQEU
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	5	AQEU
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	2	TQEX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	46	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	45	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	6	TQEX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	2	TQEX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	28	CEUX

67

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	4	TQEX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	5	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	38	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	6	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	38	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	4	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	2	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	6	TQEX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	9	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	45	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	6	TQEX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	43	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	40	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	12	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	3	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	37	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	8	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	42	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	3	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	2	AQEU
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	6	TQEX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	40	XCSE
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	45	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	14	CEUX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	3	AQEU
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	4	AQEU
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	4	AQEU
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	6	TQEX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	6	TQEX
Genmab A/S	20/06/2024	11:58:27 AM	1,788.5000	32	XCSE
Genmab A/S	20/06/2024	12:02:31 PM	1,787.0000	17	XCSE
Genmab A/S	20/06/2024	12:02:31 PM	1,787.0000	40	XCSE
Genmab A/S	20/06/2024	12:02:32 PM	1,787.0000	41	XCSE
Genmab A/S	20/06/2024	12:02:32 PM	1,787.0000	102	XCSE
Genmab A/S	20/06/2024	12:02:33 PM	1,786.5000	18	XCSE
Genmab A/S	20/06/2024	12:02:33 PM	1,786.5000	44	XCSE
Genmab A/S	20/06/2024	12:02:33 PM	1,786.5000	18	CEUX
Genmab A/S	20/06/2024	12:02:33 PM	1,786.5000	2	AQEU
Genmab A/S	20/06/2024	12:02:33 PM	1,786.5000	2	AQEU
Genmab A/S	20/06/2024	12:02:33 PM	1,786.5000	2	AQEU
Genmab A/S	20/06/2024	12:02:33 PM	1,786.5000	5	TQEX
Genmab A/S	20/06/2024	12:02:33 PM	1,786.5000	18	CEUX
Genmab A/S	20/06/2024	12:02:34 PM	1,786.5000	43	XCSE
Genmab A/S	20/06/2024	12:02:34 PM	1,786.5000	58	XCSE
Genmab A/S	20/06/2024	12:04:15 PM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	12:04:15 PM	1,785.5000	13	CEUX
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	21	XCSE
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	47	XCSE
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	20	CEUX

68

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	2	AQEU
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	2	AQEU
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	5	TQEX
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	3	CEUX
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	19	XCSE
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	14	XCSE
Genmab A/S	20/06/2024	12:04:46 PM	1,785.0000	10	XCSE
Genmab A/S	20/06/2024	12:04:47 PM	1,785.0000	4	XCSE
Genmab A/S	20/06/2024	12:09:11 PM	1,785.5000	40	XCSE
Genmab A/S	20/06/2024	12:09:11 PM	1,785.5000	43	XCSE
Genmab A/S	20/06/2024	12:09:11 PM	1,785.5000	6	XCSE
Genmab A/S	20/06/2024	12:15:22 PM	1,788.0000	20	CEUX
Genmab A/S	20/06/2024	12:15:22 PM	1,788.0000	21	XCSE
Genmab A/S	20/06/2024	12:15:22 PM	1,788.0000	21	XCSE
Genmab A/S	20/06/2024	12:15:22 PM	1,788.0000	20	CEUX
Genmab A/S	20/06/2024	12:15:43 PM	1,788.5000	26	CEUX
Genmab A/S	20/06/2024	12:15:43 PM	1,788.5000	12	CEUX
Genmab A/S	20/06/2024	12:15:43 PM	1,788.5000	1	CEUX
Genmab A/S	20/06/2024	12:15:47 PM	1,788.5000	29	CEUX
Genmab A/S	20/06/2024	12:15:47 PM	1,788.5000	32	XCSE
Genmab A/S	20/06/2024	12:15:47 PM	1,788.5000	32	XCSE
Genmab A/S	20/06/2024	12:15:47 PM	1,788.5000	21	CEUX
Genmab A/S	20/06/2024	12:15:47 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:15:55 PM	1,788.0000	2	CEUX
Genmab A/S	20/06/2024	12:15:55 PM	1,788.0000	10	CEUX
Genmab A/S	20/06/2024	12:15:55 PM	1,788.0000	12	XCSE
Genmab A/S	20/06/2024	12:21:42 PM	1,788.0000	47	CEUX
Genmab A/S	20/06/2024	12:21:42 PM	1,788.0000	2	CEUX
Genmab A/S	20/06/2024	12:21:42 PM	1,788.0000	5	TQEX
Genmab A/S	20/06/2024	12:21:42 PM	1,788.0000	5	TQEX
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	17	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	36	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	9	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	4	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	1	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	5	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	43	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	9	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	23	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	53	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	9	XCSE
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	7	CEUX
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	47	CEUX
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	1	AQEU
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	1	TQEX
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	3	TQEX
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	1	TQEX

69

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	9	CEUX
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	5	CEUX
Genmab A/S	20/06/2024	12:21:48 PM	1,788.0000	21	XCSE
Genmab A/S	20/06/2024	12:21:51 PM	1,788.0000	30	XCSE
Genmab A/S	20/06/2024	12:21:51 PM	1,788.0000	2	XCSE
Genmab A/S	20/06/2024	12:21:51 PM	1,788.0000	9	XCSE
Genmab A/S	20/06/2024	12:21:52 PM	1,788.0000	39	CEUX
Genmab A/S	20/06/2024	12:21:52 PM	1,788.0000	2	AQEU
Genmab A/S	20/06/2024	12:21:52 PM	1,788.0000	13	XCSE
Genmab A/S	20/06/2024	12:22:03 PM	1,788.0000	2	XCSE
Genmab A/S	20/06/2024	12:22:21 PM	1,788.0000	47	XCSE
Genmab A/S	20/06/2024	12:22:21 PM	1,788.0000	101	XCSE
Genmab A/S	20/06/2024	12:22:30 PM	1,788.0000	40	CEUX
Genmab A/S	20/06/2024	12:22:38 PM	1,787.5000	51	XCSE
Genmab A/S	20/06/2024	12:23:20 PM	1,788.0000	11	CEUX
Genmab A/S	20/06/2024	12:23:20 PM	1,788.0000	28	CEUX
Genmab A/S	20/06/2024	12:23:59 PM	1,788.0000	35	XCSE
Genmab A/S	20/06/2024	12:24:11 PM	1,788.0000	12	XCSE
Genmab A/S	20/06/2024	12:24:11 PM	1,788.0000	25	XCSE
Genmab A/S	20/06/2024	12:25:11 PM	1,788.5000	13	CEUX
Genmab A/S	20/06/2024	12:25:11 PM	1,788.5000	11	TQEX
Genmab A/S	20/06/2024	12:25:11 PM	1,788.5000	10	XCSE
Genmab A/S	20/06/2024	12:25:11 PM	1,788.5000	2	XCSE
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	4	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	5	TQEX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	5	TQEX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	72	XCSE
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	XCSE
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	XCSE
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	XCSE
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	XCSE
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	2	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	5	TQEX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	5	TQEX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	CEUX
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	XCSE
Genmab A/S	20/06/2024	12:26:56 PM	1,788.5000	8	XCSE
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	76	XCSE
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	76	XCSE

70

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	36	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	33	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	69	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	14	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	33	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	33	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	3	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	12	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	10	AQEU
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	10	AQEU
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	10	AQEU
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	11	TQEX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	11	TQEX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	11	TQEX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	10	AQEU
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	4	AQEU
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	11	TQEX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	2	TQEX
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	6	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	10	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	5	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	2	TQEX
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	3	TQEX
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	14	TQEX
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	21	CEUX
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	5	TQEX
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	5	TQEX
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	46	XCSE
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	30	XCSE
Genmab A/S	20/06/2024	12:27:35 PM	1,788.0000	29	XCSE
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	22	XCSE
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	22	XCSE
Genmab A/S	20/06/2024	12:27:35 PM	1,787.5000	7	XCSE
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	50	XCSE
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	114	XCSE
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	14	XCSE
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	44	CEUX
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	44	CEUX
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	44	CEUX
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	31	CEUX
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	7	AQEU
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	7	AQEU
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	7	AQEU
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	3	AQEU
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	3	AQEU
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	7	TQEX
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	7	TQEX

71

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	7	TQEX
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	7	TQEX
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	3	TQEX
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	7	TQEX
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	4	TQEX
Genmab A/S	20/06/2024	12:33:43 PM	1,786.0000	21	CEUX
Genmab A/S	20/06/2024	12:33:43 PM	1,785.5000	20	XCSE
Genmab A/S	20/06/2024	12:33:43 PM	1,785.5000	15	XCSE
Genmab A/S	20/06/2024	12:33:43 PM	1,785.5000	20	CEUX
Genmab A/S	20/06/2024	12:33:43 PM	1,785.5000	12	CEUX
Genmab A/S	20/06/2024	12:33:43 PM	1,785.5000	5	CEUX
Genmab A/S	20/06/2024	12:33:43 PM	1,785.5000	2	AQEU
Genmab A/S	20/06/2024	12:33:43 PM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	12:33:45 PM	1,785.5000	1	AQEU
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	56	XCSE
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	23	XCSE
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	37	XCSE
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	5	XCSE
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	11	XCSE
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	7	XCSE
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	5	XCSE
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	7	XCSE
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	51	CEUX
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	7	TQEX
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	5	CEUX
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	3	CEUX
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	23	XCSE
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	23	XCSE
Genmab A/S	20/06/2024	12:38:34 PM	1,785.0000	21	XCSE
Genmab A/S	20/06/2024	12:38:35 PM	1,785.0000	10	XCSE
Genmab A/S	20/06/2024	12:38:40 PM	1,784.5000	22	XCSE
Genmab A/S	20/06/2024	12:38:40 PM	1,784.5000	44	XCSE
Genmab A/S	20/06/2024	12:38:40 PM	1,784.5000	22	XCSE
Genmab A/S	20/06/2024	12:38:40 PM	1,784.5000	44	XCSE
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	37	CEUX
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	37	CEUX
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	18	CEUX
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	1	AQEU
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	5	TQEX
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	5	TQEX
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	40	XCSE
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	40	XCSE
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	4	XCSE
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	35	XCSE
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	5	XCSE
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	26	XCSE
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	37	CEUX
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	8	CEUX
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	5	AQEU

72

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	5	TQEX
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	36	CEUX
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	9	AQEU
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	12	XCSE
Genmab A/S	20/06/2024	12:40:19 PM	1,784.0000	12	XCSE
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	17	CEUX
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	17	CEUX
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	10	CEUX
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	2	AQEU
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	9	AQEU
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	5	TQEX
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	19	TQEX
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	18	XCSE
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	26	XCSE
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	42	CEUX
Genmab A/S	20/06/2024	12:41:05 PM	1,782.5000	14	CEUX
Genmab A/S	20/06/2024	12:51:00 PM	1,783.0000	22	CEUX
Genmab A/S	20/06/2024	12:51:00 PM	1,783.0000	22	XCSE
Genmab A/S	20/06/2024	12:51:08 PM	1,783.0000	19	CEUX
Genmab A/S	20/06/2024	12:51:10 PM	1,783.0000	40	CEUX
Genmab A/S	20/06/2024	12:51:11 PM	1,783.0000	40	CEUX
Genmab A/S	20/06/2024	12:51:18 PM	1,782.5000	7	CEUX
Genmab A/S	20/06/2024	12:51:47 PM	1,783.0000	39	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	36	CEUX
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	1	CEUX
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	71	CEUX
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	36	CEUX
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	36	CEUX
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	28	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	11	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	39	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	41	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	39	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	11	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	11	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	28	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	22	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	24	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	15	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	7	XCSE
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	36	CEUX
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	10	CEUX
Genmab A/S	20/06/2024	12:53:27 PM	1,784.0000	24	CEUX
Genmab A/S	20/06/2024	12:57:40 PM	1,785.5000	9	TQEX
Genmab A/S	20/06/2024	12:57:40 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	12:57:48 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	12:57:48 PM	1,785.5000	20	XCSE
Genmab A/S	20/06/2024	12:57:48 PM	1,785.5000	7	XCSE
Genmab A/S	20/06/2024	12:57:48 PM	1,785.5000	9	XCSE

73

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	12:58:11 PM	1,785.5000	34	CEUX
Genmab A/S	20/06/2024	12:58:33 PM	1,785.5000	36	CEUX
Genmab A/S	20/06/2024	12:58:54 PM	1,785.5000	36	XCSE
Genmab A/S	20/06/2024	12:59:21 PM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	12:59:21 PM	1,785.5000	8	CEUX
Genmab A/S	20/06/2024	12:59:21 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	12:59:21 PM	1,785.5000	14	TQEX
Genmab A/S	20/06/2024	12:59:21 PM	1,785.5000	10	TQEX
Genmab A/S	20/06/2024	12:59:41 PM	1,785.5000	3	CEUX
Genmab A/S	20/06/2024	12:59:41 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	12:59:41 PM	1,785.5000	8	XCSE
Genmab A/S	20/06/2024	12:59:41 PM	1,785.5000	8	XCSE
Genmab A/S	20/06/2024	12:59:41 PM	1,785.5000	5	XCSE
Genmab A/S	20/06/2024	12:59:41 PM	1,785.5000	10	XCSE
Genmab A/S	20/06/2024	1:00:26 PM	1,785.5000	3	CEUX
Genmab A/S	20/06/2024	1:00:26 PM	1,785.5000	1	CEUX
Genmab A/S	20/06/2024	1:00:26 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:00:35 PM	1,785.5000	3	CEUX
Genmab A/S	20/06/2024	1:00:35 PM	1,785.5000	10	CEUX
Genmab A/S	20/06/2024	1:00:35 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:00:35 PM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	1:00:35 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:00:35 PM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	1:00:35 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:00:35 PM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	1:00:35 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:00:36 PM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	1:00:36 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:00:36 PM	1,785.5000	4	CEUX
Genmab A/S	20/06/2024	1:00:36 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:00:42 PM	1,785.5000	3	CEUX
Genmab A/S	20/06/2024	1:00:42 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:00:48 PM	1,785.5000	3	CEUX
Genmab A/S	20/06/2024	1:00:48 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:00:54 PM	1,785.5000	3	CEUX
Genmab A/S	20/06/2024	1:00:54 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:01:01 PM	1,785.5000	3	CEUX
Genmab A/S	20/06/2024	1:01:01 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:03:04 PM	1,785.5000	12	CEUX
Genmab A/S	20/06/2024	1:03:04 PM	1,785.5000	9	CEUX
Genmab A/S	20/06/2024	1:03:04 PM	1,785.5000	3	CEUX
Genmab A/S	20/06/2024	1:03:04 PM	1,785.5000	1	TQEX
Genmab A/S	20/06/2024	1:03:04 PM	1,785.5000	9	TQEX
Genmab A/S	20/06/2024	1:03:04 PM	1,785.5000	3	CEUX
Genmab A/S	20/06/2024	1:03:06 PM	1,785.5000	7	XCSE
Genmab A/S	20/06/2024	1:03:40 PM	1,785.0000	9	CEUX
Genmab A/S	20/06/2024	1:05:03 PM	1,785.5000	18	CEUX
Genmab A/S	20/06/2024	1:05:03 PM	1,785.5000	18	CEUX
Genmab A/S	20/06/2024	1:05:03 PM	1,785.5000	2	AQEU

74

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	1:05:03 PM	1,785.5000	2	AQEU
Genmab A/S	20/06/2024	1:05:03 PM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	18	CEUX
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	39	CEUX
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	2	AQEU
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	6	AQEU
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	6	TQEX
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	18	XCSE
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	43	XCSE
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	13	XCSE
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	5	XCSE
Genmab A/S	20/06/2024	1:05:44 PM	1,785.5000	38	XCSE
Genmab A/S	20/06/2024	1:08:08 PM	1,790.5000	14	CEUX
Genmab A/S	20/06/2024	1:08:08 PM	1,790.5000	9	CEUX
Genmab A/S	20/06/2024	1:08:08 PM	1,790.5000	11	AQEU
Genmab A/S	20/06/2024	1:08:08 PM	1,790.5000	9	AQEU
Genmab A/S	20/06/2024	1:08:08 PM	1,790.5000	20	TQEX
Genmab A/S	20/06/2024	1:08:08 PM	1,790.5000	7	TQEX
Genmab A/S	20/06/2024	1:08:08 PM	1,790.5000	9	TQEX
Genmab A/S	20/06/2024	1:08:26 PM	1,789.5000	47	XCSE
Genmab A/S	20/06/2024	1:08:26 PM	1,789.5000	11	XCSE
Genmab A/S	20/06/2024	1:08:26 PM	1,789.5000	47	XCSE
Genmab A/S	20/06/2024	1:08:26 PM	1,789.5000	43	CEUX
Genmab A/S	20/06/2024	1:08:26 PM	1,789.5000	9	CEUX
Genmab A/S	20/06/2024	1:08:26 PM	1,789.5000	9	CEUX
Genmab A/S	20/06/2024	1:08:26 PM	1,789.5000	6	AQEU
Genmab A/S	20/06/2024	1:08:26 PM	1,789.5000	3	CEUX
Genmab A/S	20/06/2024	1:08:26 PM	1,789.5000	24	XCSE
Genmab A/S	20/06/2024	1:08:26 PM	1,789.5000	44	XCSE
Genmab A/S	20/06/2024	1:08:31 PM	1,789.5000	36	XCSE
Genmab A/S	20/06/2024	1:08:31 PM	1,789.5000	8	XCSE
Genmab A/S	20/06/2024	1:08:31 PM	1,789.5000	16	XCSE
Genmab A/S	20/06/2024	1:08:31 PM	1,789.5000	28	XCSE
Genmab A/S	20/06/2024	1:08:31 PM	1,789.5000	12	XCSE
Genmab A/S	20/06/2024	1:08:31 PM	1,789.5000	24	XCSE
Genmab A/S	20/06/2024	1:08:31 PM	1,789.5000	7	XCSE
Genmab A/S	20/06/2024	1:10:18 PM	1,789.5000	24	XCSE
Genmab A/S	20/06/2024	1:10:18 PM	1,789.5000	20	XCSE
Genmab A/S	20/06/2024	1:10:18 PM	1,789.5000	20	XCSE
Genmab A/S	20/06/2024	1:10:24 PM	1,789.5000	24	XCSE
Genmab A/S	20/06/2024	1:10:24 PM	1,789.5000	87	XCSE
Genmab A/S	20/06/2024	1:10:50 PM	1,789.5000	39	CEUX
Genmab A/S	20/06/2024	1:11:37 PM	1,789.5000	72	CEUX
Genmab A/S	20/06/2024	1:11:38 PM	1,789.0000	75	XCSE
Genmab A/S	20/06/2024	1:11:38 PM	1,789.0000	75	XCSE
Genmab A/S	20/06/2024	1:11:38 PM	1,789.0000	17	XCSE
Genmab A/S	20/06/2024	1:11:38 PM	1,789.0000	52	XCSE
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	9	CEUX

75

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	29	CEUX
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	22	CEUX
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	22	CEUX
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	22	CEUX
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	7	CEUX
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	22	CEUX
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	4	CEUX
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	4	AQEU
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	13	CEUX
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	5	CEUX
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	4	AQEU
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	25	XCSE
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	24	XCSE
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	1	XCSE
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	24	XCSE
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	22	CEUX
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	3	AQEU
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	11	XCSE
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	5	XCSE
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	9	XCSE
Genmab A/S	20/06/2024	1:11:39 PM	1,788.0000	22	CEUX
Genmab A/S	20/06/2024	1:11:40 PM	1,788.0000	10	XCSE
Genmab A/S	20/06/2024	1:11:40 PM	1,788.0000	4	XCSE
Genmab A/S	20/06/2024	1:11:40 PM	1,788.0000	11	XCSE
Genmab A/S	20/06/2024	1:11:40 PM	1,788.0000	4	XCSE
Genmab A/S	20/06/2024	1:11:40 PM	1,788.0000	15	XCSE
Genmab A/S	20/06/2024	1:11:40 PM	1,788.0000	1	CEUX
Genmab A/S	20/06/2024	1:11:40 PM	1,788.0000	10	XCSE
Genmab A/S	20/06/2024	1:11:40 PM	1,788.0000	25	XCSE
Genmab A/S	20/06/2024	1:11:40 PM	1,788.0000	2	XCSE
Genmab A/S	20/06/2024	1:18:02 PM	1,788.0000	11	XCSE
Genmab A/S	20/06/2024	1:18:02 PM	1,788.0000	10	CEUX
Genmab A/S	20/06/2024	1:18:30 PM	1,788.5000	20	AQEU
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	XCSE
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	37	XCSE
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	187	XCSE
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	1	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX

76

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	10	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	7	CEUX
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	2	AQEU
Genmab A/S	20/06/2024	1:19:07 PM	1,788.5000	7	XCSE
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	16	XCSE
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	32	XCSE
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	4	XCSE
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	14	XCSE
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	43	CEUX
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	18	CEUX
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	6	AQEU
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	6	AQEU
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	7	TQEX
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	7	TQEX
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	7	TQEX
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	7	TQEX
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	46	CEUX
Genmab A/S	20/06/2024	1:22:43 PM	1,790.0000	4	CEUX
Genmab A/S	20/06/2024	1:25:35 PM	1,790.0000	10	AQEU
Genmab A/S	20/06/2024	1:25:35 PM	1,790.0000	5	TQEX
Genmab A/S	20/06/2024	1:25:35 PM	1,790.0000	13	TQEX
Genmab A/S	20/06/2024	1:25:55 PM	1,790.0000	38	CEUX
Genmab A/S	20/06/2024	1:26:22 PM	1,790.0000	37	CEUX
Genmab A/S	20/06/2024	1:26:41 PM	1,790.0000	9	XCSE
Genmab A/S	20/06/2024	1:29:21 PM	1,791.0000	40	CEUX
Genmab A/S	20/06/2024	1:29:21 PM	1,791.0000	3	CEUX
Genmab A/S	20/06/2024	1:29:21 PM	1,791.0000	8	XCSE
Genmab A/S	20/06/2024	1:29:21 PM	1,791.0000	30	XCSE
Genmab A/S	20/06/2024	1:29:21 PM	1,791.0000	7	XCSE
Genmab A/S	20/06/2024	1:29:28 PM	1,791.5000	7	CEUX
Genmab A/S	20/06/2024	1:29:28 PM	1,791.5000	5	CEUX
Genmab A/S	20/06/2024	1:29:28 PM	1,791.5000	4	CEUX
Genmab A/S	20/06/2024	1:29:28 PM	1,791.5000	10	CEUX
Genmab A/S	20/06/2024	1:29:28 PM	1,791.5000	29	CEUX
Genmab A/S	20/06/2024	1:29:28 PM	1,791.5000	3	CEUX
Genmab A/S	20/06/2024	1:29:28 PM	1,791.5000	11	CEUX
Genmab A/S	20/06/2024	1:29:28 PM	1,791.5000	38	CEUX
Genmab A/S	20/06/2024	1:29:43 PM	1,791.5000	3	CEUX
Genmab A/S	20/06/2024	1:29:54 PM	1,791.5000	3	CEUX
Genmab A/S	20/06/2024	1:29:55 PM	1,791.5000	4	CEUX
Genmab A/S	20/06/2024	1:29:55 PM	1,791.5000	3	CEUX
Genmab A/S	20/06/2024	1:29:55 PM	1,791.5000	3	CEUX
Genmab A/S	20/06/2024	1:29:55 PM	1,791.5000	3	CEUX
Genmab A/S	20/06/2024	1:29:55 PM	1,791.5000	4	CEUX
Genmab A/S	20/06/2024	1:29:56 PM	1,791.5000	4	CEUX

77

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	1:30:05 PM	1,791.0000	3	XCSE
Genmab A/S	20/06/2024	1:30:05 PM	1,791.0000	25	XCSE
Genmab A/S	20/06/2024	1:30:16 PM	1,791.0000	10	CEUX
Genmab A/S	20/06/2024	1:30:34 PM	1,791.0000	10	XCSE
Genmab A/S	20/06/2024	1:30:34 PM	1,791.0000	18	XCSE
Genmab A/S	20/06/2024	1:30:34 PM	1,791.0000	24	XCSE
Genmab A/S	20/06/2024	1:30:34 PM	1,791.0000	28	XCSE
Genmab A/S	20/06/2024	1:30:34 PM	1,791.0000	24	XCSE
Genmab A/S	20/06/2024	1:30:34 PM	1,791.0000	16	CEUX
Genmab A/S	20/06/2024	1:30:34 PM	1,791.0000	28	XCSE
Genmab A/S	20/06/2024	1:30:34 PM	1,791.0000	22	XCSE
Genmab A/S	20/06/2024	1:30:34 PM	1,791.0000	2	XCSE
Genmab A/S	20/06/2024	1:30:35 PM	1,791.0000	3	XCSE
Genmab A/S	20/06/2024	1:30:35 PM	1,791.0000	15	XCSE
Genmab A/S	20/06/2024	1:30:35 PM	1,791.0000	10	XCSE
Genmab A/S	20/06/2024	1:30:35 PM	1,791.0000	24	XCSE
Genmab A/S	20/06/2024	1:30:35 PM	1,791.0000	15	XCSE
Genmab A/S	20/06/2024	1:30:35 PM	1,791.0000	8	XCSE
Genmab A/S	20/06/2024	1:30:35 PM	1,791.0000	26	CEUX
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	20	XCSE
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	15	XCSE
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	35	XCSE
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	26	CEUX
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	26	CEUX
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	4	AQEU
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	28	XCSE
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	7	XCSE
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	22	XCSE
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	3	XCSE
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	2	XCSE
Genmab A/S	20/06/2024	1:30:39 PM	1,791.0000	26	CEUX
Genmab A/S	20/06/2024	1:33:37 PM	1,790.5000	9	CEUX
Genmab A/S	20/06/2024	1:33:37 PM	1,790.5000	1	AQEU
Genmab A/S	20/06/2024	1:33:37 PM	1,790.5000	9	XCSE
Genmab A/S	20/06/2024	1:33:37 PM	1,790.5000	9	XCSE
Genmab A/S	20/06/2024	1:33:37 PM	1,790.5000	9	XCSE
Genmab A/S	20/06/2024	1:33:37 PM	1,790.5000	27	XCSE
Genmab A/S	20/06/2024	1:33:38 PM	1,790.5000	9	CEUX
Genmab A/S	20/06/2024	1:33:38 PM	1,790.5000	5	CEUX
Genmab A/S	20/06/2024	1:33:38 PM	1,790.5000	5	CEUX
Genmab A/S	20/06/2024	1:33:38 PM	1,790.5000	5	TQEX
Genmab A/S	20/06/2024	1:33:38 PM	1,790.5000	5	TQEX
Genmab A/S	20/06/2024	1:33:38 PM	1,790.5000	4	CEUX
Genmab A/S	20/06/2024	1:33:38 PM	1,790.5000	1	AQEU
Genmab A/S	20/06/2024	1:33:38 PM	1,790.5000	5	TQEX
Genmab A/S	20/06/2024	1:33:38 PM	1,790.5000	9	XCSE
Genmab A/S	20/06/2024	1:35:39 PM	1,790.5000	10	AQEU
Genmab A/S	20/06/2024	1:35:39 PM	1,790.5000	1	TQEX
Genmab A/S	20/06/2024	1:35:39 PM	1,790.5000	12	TQEX

78

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	1:36:31 PM	1,790.5000	10	CEUX
Genmab A/S	20/06/2024	1:37:37 PM	1,792.0000	12	XCSE
Genmab A/S	20/06/2024	1:37:39 PM	1,792.0000	9	XCSE
Genmab A/S	20/06/2024	1:37:43 PM	1,792.0000	21	CEUX
Genmab A/S	20/06/2024	1:37:44 PM	1,792.0000	21	CEUX
Genmab A/S	20/06/2024	1:37:44 PM	1,792.0000	21	CEUX
Genmab A/S	20/06/2024	1:37:44 PM	1,792.0000	20	CEUX
Genmab A/S	20/06/2024	1:37:44 PM	1,792.0000	22	XCSE
Genmab A/S	20/06/2024	1:37:44 PM	1,792.0000	2	XCSE
Genmab A/S	20/06/2024	1:37:44 PM	1,792.0000	20	XCSE
Genmab A/S	20/06/2024	1:37:44 PM	1,792.0000	21	CEUX
Genmab A/S	20/06/2024	1:37:46 PM	1,792.0000	22	CEUX
Genmab A/S	20/06/2024	1:37:46 PM	1,792.0000	5	CEUX
Genmab A/S	20/06/2024	1:38:45 PM	1,792.5000	4	XCSE
Genmab A/S	20/06/2024	1:38:45 PM	1,792.5000	110	XCSE
Genmab A/S	20/06/2024	1:38:45 PM	1,792.5000	3	XCSE
Genmab A/S	20/06/2024	1:39:10 PM	1,792.0000	10	CEUX
Genmab A/S	20/06/2024	1:39:13 PM	1,792.5000	5	XCSE
Genmab A/S	20/06/2024	1:39:13 PM	1,792.5000	7	XCSE
Genmab A/S	20/06/2024	1:39:41 PM	1,793.0000	7	XCSE
Genmab A/S	20/06/2024	1:39:41 PM	1,793.0000	25	XCSE
Genmab A/S	20/06/2024	1:39:41 PM	1,793.0000	10	XCSE
Genmab A/S	20/06/2024	1:39:41 PM	1,793.0000	10	XCSE
Genmab A/S	20/06/2024	1:40:41 PM	1,793.0000	10	XCSE
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	70	XCSE
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	48	XCSE
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	11	XCSE
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	48	XCSE
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	11	XCSE
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	1	XCSE
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	44	CEUX
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	11	CEUX
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	11	CEUX
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	11	CEUX
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	22	CEUX
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	28	CEUX
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	39	XCSE
Genmab A/S	20/06/2024	1:40:51 PM	1,793.0000	44	CEUX
Genmab A/S	20/06/2024	1:40:52 PM	1,793.0000	9	XCSE
Genmab A/S	20/06/2024	1:40:52 PM	1,793.0000	44	CEUX
Genmab A/S	20/06/2024	1:40:52 PM	1,793.0000	6	CEUX
Genmab A/S	20/06/2024	1:40:52 PM	1,793.0000	1	CEUX
Genmab A/S	20/06/2024	1:42:41 PM	1,792.0000	10	XCSE
Genmab A/S	20/06/2024	1:43:18 PM	1,792.0000	42	XCSE
Genmab A/S	20/06/2024	1:43:18 PM	1,792.0000	4	CEUX
Genmab A/S	20/06/2024	1:44:17 PM	1,792.0000	52	XCSE
Genmab A/S	20/06/2024	1:44:17 PM	1,792.0000	101	XCSE
Genmab A/S	20/06/2024	1:44:17 PM	1,792.0000	20	XCSE
Genmab A/S	20/06/2024	1:46:01 PM	1,792.0000	59	XCSE

79

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	1:46:01 PM	1,792.0000	59	XCSE
Genmab A/S	20/06/2024	1:46:02 PM	1,792.0000	54	CEUX
Genmab A/S	20/06/2024	1:46:02 PM	1,792.0000	8	TQEX
Genmab A/S	20/06/2024	1:46:02 PM	1,792.0000	17	XCSE
Genmab A/S	20/06/2024	1:49:28 PM	1,794.5000	34	CEUX
Genmab A/S	20/06/2024	1:49:28 PM	1,794.5000	46	CEUX
Genmab A/S	20/06/2024	1:49:28 PM	1,794.5000	9	XCSE
Genmab A/S	20/06/2024	1:49:28 PM	1,794.5000	51	XCSE
Genmab A/S	20/06/2024	1:49:41 PM	1,794.5000	8	AQEU
Genmab A/S	20/06/2024	1:49:41 PM	1,794.5000	68	AQEU
Genmab A/S	20/06/2024	1:49:41 PM	1,794.5000	8	AQEU
Genmab A/S	20/06/2024	1:49:41 PM	1,794.5000	52	XCSE
Genmab A/S	20/06/2024	1:50:06 PM	1,796.5000	33	XCSE
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	20	XCSE
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	85	XCSE
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	53	XCSE
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	14	XCSE
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	11	XCSE
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	38	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	10	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	48	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	43	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	48	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	9	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	7	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	7	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	1	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	6	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	1	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	7	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	7	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	7	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	1	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	8	TQEX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	8	TQEX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	1	TQEX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	8	TQEX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	8	TQEX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	4	TQEX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	1	TQEX
Genmab A/S	20/06/2024	1:50:17 PM	1,796.5000	8	TQEX
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	20	XCSE
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	18	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	5	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	13	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	5	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	3	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	18	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	12	CEUX

80

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	3	AQEU
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	17	CEUX
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	5	XCSE
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	15	XCSE
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	41	XCSE
Genmab A/S	20/06/2024	1:50:17 PM	1,795.5000	41	XCSE
Genmab A/S	20/06/2024	1:50:20 PM	1,795.5000	13	XCSE
Genmab A/S	20/06/2024	1:58:39 PM	1,796.0000	1	CEUX
Genmab A/S	20/06/2024	1:58:39 PM	1,796.0000	32	XCSE
Genmab A/S	20/06/2024	1:58:39 PM	1,796.0000	6	XCSE
Genmab A/S	20/06/2024	2:01:02 PM	1,796.0000	12	XCSE
Genmab A/S	20/06/2024	2:01:02 PM	1,796.0000	2	XCSE
Genmab A/S	20/06/2024	2:01:03 PM	1,796.0000	22	CEUX
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	20	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	22	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	12	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	13	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	9	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	17	CEUX
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	12	CEUX
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	41	CEUX
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	6	TQEX
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	12	CEUX
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	12	CEUX
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	6	TQEX
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	6	TQEX
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	3	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	5	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	16	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	50	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	1	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	5	XCSE
Genmab A/S	20/06/2024	2:01:22 PM	1,796.0000	7	XCSE
Genmab A/S	20/06/2024	2:01:31 PM	1,796.0000	12	XCSE
Genmab A/S	20/06/2024	2:01:31 PM	1,796.0000	12	XCSE
Genmab A/S	20/06/2024	2:01:31 PM	1,796.0000	12	XCSE
Genmab A/S	20/06/2024	2:01:31 PM	1,796.0000	6	CEUX
Genmab A/S	20/06/2024	2:01:31 PM	1,796.0000	6	CEUX
Genmab A/S	20/06/2024	2:01:31 PM	1,796.0000	6	CEUX
Genmab A/S	20/06/2024	2:02:16 PM	1,796.5000	8	CEUX
Genmab A/S	20/06/2024	2:02:16 PM	1,796.5000	8	CEUX
Genmab A/S	20/06/2024	2:02:16 PM	1,796.5000	5	TQEX
Genmab A/S	20/06/2024	2:02:16 PM	1,796.5000	8	XCSE
Genmab A/S	20/06/2024	2:03:11 PM	1,797.0000	1	AQEU
Genmab A/S	20/06/2024	2:03:11 PM	1,797.0000	10	AQEU
Genmab A/S	20/06/2024	2:03:42 PM	1,796.5000	1	AQEU
Genmab A/S	20/06/2024	2:03:42 PM	1,796.5000	3	CEUX
Genmab A/S	20/06/2024	2:03:42 PM	1,796.5000	1	AQEU
Genmab A/S	20/06/2024	2:04:44 PM	1,797.0000	93	XCSE

81

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:04:44 PM	1,797.0000	67	XCSE
Genmab A/S	20/06/2024	2:04:44 PM	1,797.0000	26	XCSE
Genmab A/S	20/06/2024	2:04:44 PM	1,797.0000	3	XCSE
Genmab A/S	20/06/2024	2:04:44 PM	1,797.0000	30	XCSE
Genmab A/S	20/06/2024	2:04:44 PM	1,797.0000	60	XCSE
Genmab A/S	20/06/2024	2:05:53 PM	1,797.0000	31	XCSE
Genmab A/S	20/06/2024	2:05:53 PM	1,797.5000	14	XCSE
Genmab A/S	20/06/2024	2:05:53 PM	1,797.5000	26	XCSE
Genmab A/S	20/06/2024	2:06:13 PM	1,797.5000	26	XCSE
Genmab A/S	20/06/2024	2:06:47 PM	1,799.0000	14	CEUX
Genmab A/S	20/06/2024	2:06:47 PM	1,799.0000	10	XCSE
Genmab A/S	20/06/2024	2:06:47 PM	1,799.0000	11	XCSE
Genmab A/S	20/06/2024	2:06:47 PM	1,799.0000	29	XCSE
Genmab A/S	20/06/2024	2:06:47 PM	1,799.0000	4	XCSE
Genmab A/S	20/06/2024	2:07:07 PM	1,799.5000	12	CEUX
Genmab A/S	20/06/2024	2:07:07 PM	1,799.5000	15	XCSE
Genmab A/S	20/06/2024	2:07:07 PM	1,799.5000	10	XCSE
Genmab A/S	20/06/2024	2:07:27 PM	1,799.5000	2	AQEU
Genmab A/S	20/06/2024	2:07:27 PM	1,799.5000	16	AQEU
Genmab A/S	20/06/2024	2:07:27 PM	1,799.5000	9	AQEU
Genmab A/S	20/06/2024	2:07:27 PM	1,799.5000	9	AQEU
Genmab A/S	20/06/2024	2:07:27 PM	1,799.5000	3	XCSE
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	18	XCSE
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	147	XCSE
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	18	CEUX
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	2	AQEU
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	2	AQEU
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	2	AQEU
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	5	TQEX
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	5	TQEX
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	18	CEUX
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	18	CEUX
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	5	TQEX
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	5	TQEX
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	6	XCSE
Genmab A/S	20/06/2024	2:07:39 PM	1,798.5000	18	CEUX
Genmab A/S	20/06/2024	2:07:54 PM	1,798.5000	9	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	18	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	14	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	4	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	18	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	13	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	5	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	5	TQEX

82

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	19	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	19	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	21	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	37	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	19	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	18	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	10	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	18	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	18	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	1	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	19	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	16	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	1	TQEX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	19	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	19	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	7	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	19	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	10	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	1	CEUX
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	20	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	16	XCSE

83

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	11	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	16	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	9	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	11	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	43	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	20	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	43	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	4	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	10	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	2	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	1	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	1	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	14	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	6	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	2	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	5	XCSE
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:09:03 PM	1,797.0000	14	XCSE
Genmab A/S	20/06/2024	2:10:00 PM	1,796.0000	23	XCSE
Genmab A/S	20/06/2024	2:10:00 PM	1,796.0000	22	CEUX
Genmab A/S	20/06/2024	2:10:00 PM	1,796.0000	5	TQEX
Genmab A/S	20/06/2024	2:10:00 PM	1,796.0000	23	XCSE
Genmab A/S	20/06/2024	2:10:00 PM	1,796.0000	14	XCSE
Genmab A/S	20/06/2024	2:10:00 PM	1,796.0000	8	XCSE
Genmab A/S	20/06/2024	2:10:01 PM	1,796.0000	53	XCSE
Genmab A/S	20/06/2024	2:10:01 PM	1,796.0000	26	XCSE
Genmab A/S	20/06/2024	2:10:01 PM	1,796.0000	27	XCSE
Genmab A/S	20/06/2024	2:10:01 PM	1,796.0000	20	XCSE
Genmab A/S	20/06/2024	2:16:35 PM	1,798.0000	1	CEUX
Genmab A/S	20/06/2024	2:16:35 PM	1,798.0000	12	CEUX
Genmab A/S	20/06/2024	2:16:35 PM	1,798.0000	13	XCSE
Genmab A/S	20/06/2024	2:19:18 PM	1,799.5000	26	XCSE
Genmab A/S	20/06/2024	2:19:38 PM	1,799.5000	15	XCSE
Genmab A/S	20/06/2024	2:19:38 PM	1,799.5000	24	XCSE
Genmab A/S	20/06/2024	2:20:01 PM	1,799.5000	27	XCSE
Genmab A/S	20/06/2024	2:20:01 PM	1,799.5000	9	XCSE
Genmab A/S	20/06/2024	2:20:01 PM	1,799.0000	12	CEUX
Genmab A/S	20/06/2024	2:20:01 PM	1,799.0000	13	XCSE
Genmab A/S	20/06/2024	2:20:28 PM	1,799.0000	37	CEUX
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	13	CEUX
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	18	CEUX
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	25	CEUX

84

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	13	CEUX
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	5	CEUX
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	22	CEUX
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	20	CEUX
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	36	XCSE
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	13	XCSE
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	48	XCSE
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	13	XCSE
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	9	XCSE
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	1	CEUX
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	13	CEUX
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	13	XCSE
Genmab A/S	20/06/2024	2:22:33 PM	1,799.0000	48	XCSE
Genmab A/S	20/06/2024	2:22:45 PM	1,799.0000	13	XCSE
Genmab A/S	20/06/2024	2:22:45 PM	1,799.0000	13	XCSE
Genmab A/S	20/06/2024	2:22:45 PM	1,799.0000	13	XCSE
Genmab A/S	20/06/2024	2:22:45 PM	1,799.0000	13	CEUX
Genmab A/S	20/06/2024	2:22:45 PM	1,799.0000	13	CEUX
Genmab A/S	20/06/2024	2:22:45 PM	1,799.0000	13	XCSE
Genmab A/S	20/06/2024	2:24:22 PM	1,799.5000	30	CEUX
Genmab A/S	20/06/2024	2:24:22 PM	1,799.5000	5	CEUX
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	1	AQEU
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	13	TQEX
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	43	CEUX
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	43	CEUX
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	43	CEUX
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	1	AQEU
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	4	AQEU
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	61	TQEX
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	36	XCSE
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	47	XCSE
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	3	XCSE
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	44	XCSE
Genmab A/S	20/06/2024	2:25:13 PM	1,799.5000	6	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	43	CEUX
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	43	CEUX
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	47	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	22	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	43	CEUX
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	4	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	17	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	30	CEUX
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	6	AQEU
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	6	AQEU
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	4	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	27	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	35	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	12	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	38	XCSE

85

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	9	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	3	XCSE
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	6	AQEU
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	6	AQEU
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	6	AQEU
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	6	AQEU
Genmab A/S	20/06/2024	2:26:11 PM	1,799.5000	2	AQEU
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	43	XCSE
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	7	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	32	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	1	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	32	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	6	AQEU
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	7	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	7	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	6	AQEU
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	43	XCSE
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	32	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	32	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	7	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	43	XCSE
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	8	XCSE
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	35	XCSE
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	44	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	27	CEUX
Genmab A/S	20/06/2024	2:26:12 PM	1,799.0000	6	CEUX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	19	CEUX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	19	CEUX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	2	AQEU
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	2	AQEU
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	5	TQEX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	5	TQEX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	20	XCSE
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	5	XCSE
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	20	XCSE
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	4	XCSE
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	19	CEUX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	19	CEUX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	6	CEUX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	2	AQEU
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	3	AQEU
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	5	TQEX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	9	TQEX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	20	XCSE
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	22	XCSE
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	3	CEUX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	2	AQEU
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	2	AQEU
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	5	TQEX

86

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	7	TQEX
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	2	XCSE
Genmab A/S	20/06/2024	2:29:16 PM	1,797.5000	41	CEUX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	17	CEUX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	3	CEUX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	17	CEUX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	17	CEUX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	3	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	17	CEUX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	17	CEUX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	17	CEUX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	5	CEUX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	2	AQEU
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	3	TQEX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	5	TQEX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	3	TQEX
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	18	XCSE
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	4	XCSE
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	18	XCSE
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	18	XCSE
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	18	XCSE
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	18	XCSE
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	18	XCSE

87

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	7	XCSE
Genmab A/S	20/06/2024	2:29:51 PM	1,798.0000	1	XCSE
Genmab A/S	20/06/2024	2:34:03 PM	1,796.0000	21	XCSE
Genmab A/S	20/06/2024	2:34:03 PM	1,796.0000	21	XCSE
Genmab A/S	20/06/2024	2:34:03 PM	1,796.0000	21	XCSE
Genmab A/S	20/06/2024	2:34:03 PM	1,796.0000	3	XCSE
Genmab A/S	20/06/2024	2:34:03 PM	1,796.0000	21	XCSE
Genmab A/S	20/06/2024	2:34:03 PM	1,796.0000	18	XCSE
Genmab A/S	20/06/2024	2:34:32 PM	1,791.5000	21	XCSE
Genmab A/S	20/06/2024	2:34:32 PM	1,791.5000	122	XCSE
Genmab A/S	20/06/2024	2:34:32 PM	1,792.0000	21	XCSE
Genmab A/S	20/06/2024	2:34:32 PM	1,792.0000	121	XCSE
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	18	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	1	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	19	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	19	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	1	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	19	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	19	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	19	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	10	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	19	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	2	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	15	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	19	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,792.0000	1	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	2	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	7	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	20	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	2	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	20	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	14	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	6	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	10	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	20	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	9	CEUX
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	7	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	3	AQEU

88

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	3	AQEU
Genmab A/S	20/06/2024	2:34:33 PM	1,791.5000	6	AQEU
Genmab A/S	20/06/2024	2:42:07 PM	1,785.5000	32	CEUX
Genmab A/S	20/06/2024	2:42:07 PM	1,785.5000	5	AQEU
Genmab A/S	20/06/2024	2:42:07 PM	1,785.5000	5	TQEX
Genmab A/S	20/06/2024	2:42:07 PM	1,785.5000	28	XCSE
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	21	CEUX
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	17	CEUX
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	3	AQEU
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	2	AQEU
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	23	XCSE
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	18	XCSE
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	21	CEUX
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	17	CEUX
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	18	CEUX
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	3	AQEU
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	2	AQEU
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	4	AQEU
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	5	TQEX
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	2	TQEX
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	23	XCSE
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	18	XCSE
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	59	XCSE
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	17	CEUX
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	3	AQEU
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	2	AQEU
Genmab A/S	20/06/2024	2:42:07 PM	1,784.5000	5	TQEX
Genmab A/S	20/06/2024	2:46:11 PM	1,785.5000	41	XCSE
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	23	CEUX
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	23	CEUX
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	4	AQEU
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	23	CEUX
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	23	CEUX
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	4	AQEU
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	21	CEUX
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	25	XCSE
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	27	XCSE
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	25	XCSE
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	25	XCSE
Genmab A/S	20/06/2024	2:46:11 PM	1,785.0000	2	CEUX
Genmab A/S	20/06/2024	2:48:34 PM	1,787.5000	47	CEUX
Genmab A/S	20/06/2024	2:48:34 PM	1,787.5000	47	CEUX
Genmab A/S	20/06/2024	2:48:34 PM	1,787.5000	12	CEUX
Genmab A/S	20/06/2024	2:48:34 PM	1,787.5000	5	CEUX
Genmab A/S	20/06/2024	2:50:35 PM	1,789.0000	12	CEUX
Genmab A/S	20/06/2024	2:50:35 PM	1,789.0000	1	CEUX
Genmab A/S	20/06/2024	2:50:35 PM	1,789.0000	11	CEUX
Genmab A/S	20/06/2024	2:50:35 PM	1,789.0000	12	XCSE
Genmab A/S	20/06/2024	2:50:35 PM	1,789.0000	1	XCSE

89

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:50:35 PM	1,789.0000	12	XCSE
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	18	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	11	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	12	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	18	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	11	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	3	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	3	AQEU
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	2	AQEU
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	2	AQEU
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	20	XCSE
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	11	XCSE
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	12	XCSE
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	20	XCSE
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	11	XCSE
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	6	XCSE
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	9	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	18	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	11	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	12	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	8	CEUX
Genmab A/S	20/06/2024	2:52:16 PM	1,789.5000	10	CEUX
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	11	CEUX
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	2	AQEU
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	11	XCSE
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	12	XCSE
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	11	CEUX
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	2	AQEU
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	11	XCSE
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	63	XCSE
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	4	XCSE
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	24	XCSE
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	24	XCSE
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	17	XCSE
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	7	XCSE
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	17	XCSE
Genmab A/S	20/06/2024	2:52:21 PM	1,789.5000	22	XCSE
Genmab A/S	20/06/2024	2:52:32 PM	1,789.5000	13	XCSE
Genmab A/S	20/06/2024	2:53:15 PM	1,790.5000	20	CEUX
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	11	CEUX
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	19	CEUX
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	10	CEUX
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	10	CEUX
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	1	CEUX
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	12	CEUX
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	2	AQEU
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	3	AQEU
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	1	AQEU
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	2	AQEU

90

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	3	AQEU
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	1	AQEU
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	5	TQEX
Genmab A/S	20/06/2024	2:54:29 PM	1,791.0000	5	TQEX
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	12	XCSE
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	20	XCSE
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	10	XCSE
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	12	XCSE
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	14	XCSE
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	6	XCSE
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	10	XCSE
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	12	XCSE
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	54	XCSE
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	3	XCSE
Genmab A/S	20/06/2024	2:54:30 PM	1,791.0000	34	XCSE
Genmab A/S	20/06/2024	2:54:45 PM	1,791.0000	40	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,791.0000	35	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	18	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	3	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	30	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	21	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	9	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	21	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	20	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	30	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	19	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	9	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	19	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	19	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	19	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	3	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	19	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	19	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	19	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	12	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	19	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	3	AQEU
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	3	AQEU
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	2	AQEU
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	17	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	2	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	21	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	40	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	21	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	21	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	2	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	24	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	24	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	30	XCSE

91

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	2:54:58 PM	1,790.5000	6	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	21	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	1	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	22	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	1	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	1	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	4	AQEU
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	4	AQEU
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	4	AQEU
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	21	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	24	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	3	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	19	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	23	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	3	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,790.0000	33	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	20	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	2	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	20	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	3	AQEU
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	9	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	14	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	23	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	22	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	22	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	23	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	6	CEUX
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	24	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	21	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	3	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	21	XCSE
Genmab A/S	20/06/2024	2:54:58 PM	1,789.5000	4	XCSE
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	12	CEUX
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	2	AQEU
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	12	XCSE
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	5	CEUX
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	7	CEUX
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	12	CEUX
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	2	AQEU
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	12	XCSE
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	12	XCSE
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	26	XCSE
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	12	XCSE
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	14	XCSE
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	26	XCSE
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	27	CEUX
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	26	XCSE
Genmab A/S	20/06/2024	3:00:57 PM	1,784.5000	26	XCSE
Genmab A/S	20/06/2024	3:00:58 PM	1,784.5000	26	XCSE

92

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:00:58 PM	1,784.5000	16	XCSE
Genmab A/S	20/06/2024	3:02:59 PM	1,781.5000	39	XCSE
Genmab A/S	20/06/2024	3:02:59 PM	1,781.5000	52	XCSE
Genmab A/S	20/06/2024	3:02:59 PM	1,781.5000	36	CEUX
Genmab A/S	20/06/2024	3:02:59 PM	1,781.5000	5	AQEU
Genmab A/S	20/06/2024	3:02:59 PM	1,781.5000	6	TQEX
Genmab A/S	20/06/2024	3:02:59 PM	1,781.5000	36	CEUX
Genmab A/S	20/06/2024	3:02:59 PM	1,781.5000	50	CEUX
Genmab A/S	20/06/2024	3:02:59 PM	1,781.5000	36	CEUX
Genmab A/S	20/06/2024	3:02:59 PM	1,781.5000	5	CEUX
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	24	XCSE
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	21	CEUX
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	21	CEUX
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	4	AQEU
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	11	CEUX
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	10	CEUX
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	1	CEUX
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	4	AQEU
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	24	XCSE
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	20	XCSE
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	21	CEUX
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	11	CEUX
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	3	CEUX
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	4	AQEU
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	2	AQEU
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	4	XCSE
Genmab A/S	20/06/2024	3:03:00 PM	1,781.0000	2	XCSE
Genmab A/S	20/06/2024	3:07:10 PM	1,780.5000	25	XCSE
Genmab A/S	20/06/2024	3:07:10 PM	1,780.5000	13	XCSE
Genmab A/S	20/06/2024	3:07:29 PM	1,780.5000	18	XCSE
Genmab A/S	20/06/2024	3:07:29 PM	1,780.5000	21	XCSE
Genmab A/S	20/06/2024	3:07:45 PM	1,780.5000	14	CEUX
Genmab A/S	20/06/2024	3:07:45 PM	1,780.5000	9	CEUX
Genmab A/S	20/06/2024	3:07:45 PM	1,780.5000	18	CEUX
Genmab A/S	20/06/2024	3:08:06 PM	1,780.5000	37	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	3	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	2	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	3	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	2	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	2	AQEU

93

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	2	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	4	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	6	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	7	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	2	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	4	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	14	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	30	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,780.0000	15	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	36	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	32	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	32	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	18	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	2	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	3	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	3	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	2	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	3	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	2	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	1	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	5	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	27	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	3	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	2	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	2	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	36	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	28	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	8	XCSE
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	36	CEUX
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	1	AQEU
Genmab A/S	20/06/2024	3:08:07 PM	1,779.5000	9	AQEU
Genmab A/S	20/06/2024	3:10:26 PM	1,780.0000	31	CEUX
Genmab A/S	20/06/2024	3:10:26 PM	1,780.0000	57	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	45	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	50	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	50	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	27	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	38	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	12	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	50	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	45	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	5	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	45	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	9	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	25	CEUX

94

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	37	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	20	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	44	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,783.0000	44	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	20	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	2	AQEU
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	2	AQEU
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	5	TQEX
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	21	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	20	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	2	AQEU
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	21	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	20	CEUX
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	2	AQEU
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	21	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	6	XCSE
Genmab A/S	20/06/2024	3:13:10 PM	1,782.0000	2	AQEU
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	5	TQEX
Genmab A/S	20/06/2024	3:13:10 PM	1,782.5000	43	TQEX
Genmab A/S	20/06/2024	3:14:02 PM	1,781.0000	22	CEUX
Genmab A/S	20/06/2024	3:14:02 PM	1,781.0000	22	CEUX
Genmab A/S	20/06/2024	3:16:21 PM	1,782.5000	96	CEUX
Genmab A/S	20/06/2024	3:16:21 PM	1,782.5000	86	CEUX
Genmab A/S	20/06/2024	3:16:21 PM	1,782.5000	14	AQEU
Genmab A/S	20/06/2024	3:16:21 PM	1,782.5000	12	AQEU
Genmab A/S	20/06/2024	3:16:21 PM	1,782.5000	14	TQEX
Genmab A/S	20/06/2024	3:16:21 PM	1,782.5000	106	XCSE
Genmab A/S	20/06/2024	3:16:21 PM	1,782.5000	95	XCSE
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	25	XCSE
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	25	XCSE
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	27	XCSE
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	5	XCSE
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	18	CEUX
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	5	CEUX
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	23	CEUX
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	23	CEUX
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	6	CEUX
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	4	AQEU
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	23	AQEU
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	4	AQEU
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	4	AQEU
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	7	AQEU
Genmab A/S	20/06/2024	3:16:21 PM	1,782.0000	2	AQEU
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	12	CEUX
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	2	AQEU
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	10	CEUX
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	2	CEUX
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	12	XCSE
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	12	XCSE

95

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	15	XCSE
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	12	XCSE
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	15	XCSE
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	12	CEUX
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	2	AQEU
Genmab A/S	20/06/2024	3:21:14 PM	1,781.0000	12	XCSE
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	13	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	13	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	17	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	17	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	14	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	20	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	18	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	10	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	7	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	6	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	2	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	18	XCSE
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	21	XCSE

96

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	7	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	5	TQEX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	3	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	3	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	18	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	16	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	21	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	13	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	3	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	6	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	5	TQEX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	16	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	18	XCSE
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	49	XCSE
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	3	CEUX
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	3	AQEU
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	49	XCSE
Genmab A/S	20/06/2024	3:23:39 PM	1,784.5000	18	XCSE
Genmab A/S	20/06/2024	3:23:40 PM	1,784.5000	13	XCSE
Genmab A/S	20/06/2024	3:23:40 PM	1,784.5000	6	XCSE
Genmab A/S	20/06/2024	3:23:40 PM	1,784.5000	7	XCSE
Genmab A/S	20/06/2024	3:23:40 PM	1,784.5000	4	XCSE
Genmab A/S	20/06/2024	3:23:40 PM	1,784.5000	36	XCSE
Genmab A/S	20/06/2024	3:28:45 PM	1,787.0000	1	CEUX
Genmab A/S	20/06/2024	3:28:45 PM	1,787.0000	36	CEUX
Genmab A/S	20/06/2024	3:28:45 PM	1,787.0000	30	CEUX
Genmab A/S	20/06/2024	3:28:53 PM	1,787.0000	37	XCSE
Genmab A/S	20/06/2024	3:28:53 PM	1,787.0000	1	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	23	CEUX
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	1	CEUX
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	10	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	11	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	22	CEUX
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	23	CEUX
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	1	CEUX
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	3	AQEU
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	3	AQEU
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	66	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	3	AQEU
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	14	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	7	XCSE
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	14	XCSE

97

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	3	AQEU
Genmab A/S	20/06/2024	3:29:30 PM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	3:29:31 PM	1,787.0000	3	AQEU
Genmab A/S	20/06/2024	3:29:31 PM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	3:29:31 PM	1,787.0000	21	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	9	CEUX
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	14	CEUX
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	30	CEUX
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	8	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	36	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	20	CEUX
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	4	CEUX
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	3	CEUX
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	10	CEUX
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	10	CEUX
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	6	CEUX
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	53	CEUX
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	59	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	10	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	49	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	39	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,786.0000	50	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.5000	33	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.5000	39	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	19	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	23	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	27	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	11	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	1	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	6	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	5	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	41	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	38	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	19	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	6	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	5	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	6	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	5	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	4	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	2	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	4	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	5	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	2	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	6	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	3	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	2	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	6	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	23	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	38	XCSE

98

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	42	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	38	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	55	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	69	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	1	XCSE
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	5	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	2	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	4	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	4	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	1	AQEU
Genmab A/S	20/06/2024	3:30:01 PM	1,785.0000	5	AQEU
Genmab A/S	20/06/2024	3:31:02 PM	1,781.5000	1	AQEU
Genmab A/S	20/06/2024	3:31:02 PM	1,781.5000	5	AQEU
Genmab A/S	20/06/2024	3:31:02 PM	1,781.5000	46	XCSE
Genmab A/S	20/06/2024	3:31:02 PM	1,781.5000	94	XCSE
Genmab A/S	20/06/2024	3:31:02 PM	1,781.5000	46	XCSE
Genmab A/S	20/06/2024	3:31:02 PM	1,781.5000	46	XCSE
Genmab A/S	20/06/2024	3:31:02 PM	1,781.5000	1	XCSE
Genmab A/S	20/06/2024	3:31:02 PM	1,781.5000	45	XCSE
Genmab A/S	20/06/2024	3:31:02 PM	1,781.5000	1	AQEU
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	36	XCSE
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	10	XCSE
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	2	AQEU
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	12	XCSE
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	3	AQEU
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	6	AQEU
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	6	AQEU
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	3	AQEU
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	3	AQEU
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	3	AQEU
Genmab A/S	20/06/2024	3:31:03 PM	1,781.5000	3	AQEU
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	6	AQEU
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	6	AQEU
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	6	AQEU
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	40	XCSE
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	29	XCSE
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	11	XCSE
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	13	XCSE
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	27	XCSE
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	12	XCSE
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	4	XCSE
Genmab A/S	20/06/2024	3:37:02 PM	1,777.5000	6	AQEU
Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	25	CEUX
Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	20	CEUX
Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	5	CEUX
Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	6	CEUX
Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	26	XCSE
Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	26	XCSE
Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	26	XCSE

99

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	24	XCSE
Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	19	CEUX
Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	6	CEUX
Genmab A/S	20/06/2024	3:41:08 PM	1,780.0000	12	CEUX
Genmab A/S	20/06/2024	3:41:08 PM	1,779.5000	9	XCSE
Genmab A/S	20/06/2024	3:41:08 PM	1,779.5000	82	XCSE
Genmab A/S	20/06/2024	3:41:08 PM	1,779.5000	13	XCSE
Genmab A/S	20/06/2024	3:41:08 PM	1,779.5000	1	XCSE
Genmab A/S	20/06/2024	3:41:09 PM	1,779.5000	56	XCSE
Genmab A/S	20/06/2024	3:41:09 PM	1,779.5000	21	XCSE
Genmab A/S	20/06/2024	3:41:09 PM	1,779.5000	13	XCSE
Genmab A/S	20/06/2024	3:41:09 PM	1,779.5000	69	XCSE
Genmab A/S	20/06/2024	3:41:09 PM	1,779.5000	9	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	79	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	12	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	12	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	12	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	23	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	8	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	16	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	12	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	8	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	5	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	12	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	79	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	14	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	26	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	51	XCSE
Genmab A/S	20/06/2024	3:41:10 PM	1,779.5000	12	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	31	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	1	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	31	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	4	AQEU
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	4	AQEU
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	4	AQEU
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	4	AQEU
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	31	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	27	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	31	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	18	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	4	AQEU
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	16	AQEU
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	31	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	2	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	31	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	4	AQEU
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	5	AQEU
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	31	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	4	XCSE

100

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	16	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	15	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	13	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	35	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.5000	10	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	23	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	65	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	52	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	46	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	50	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	6	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	94	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	50	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	139	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	13	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	46	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	37	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	46	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	10	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	46	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	4	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	46	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	4	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	46	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	4	XCSE
Genmab A/S	20/06/2024	3:43:03 PM	1,779.0000	13	XCSE
Genmab A/S	20/06/2024	3:50:30 PM	1,778.5000	9	AQEU
Genmab A/S	20/06/2024	3:50:30 PM	1,778.5000	39	XCSE
Genmab A/S	20/06/2024	3:50:30 PM	1,778.5000	39	XCSE
Genmab A/S	20/06/2024	3:50:30 PM	1,778.5000	8	XCSE
Genmab A/S	20/06/2024	3:51:11 PM	1,779.5000	31	CEUX
Genmab A/S	20/06/2024	3:51:11 PM	1,779.5000	8	CEUX
Genmab A/S	20/06/2024	3:51:13 PM	1,778.5000	104	XCSE
Genmab A/S	20/06/2024	3:51:13 PM	1,778.5000	5	XCSE
Genmab A/S	20/06/2024	3:51:13 PM	1,778.5000	50	XCSE
Genmab A/S	20/06/2024	3:51:13 PM	1,778.5000	100	XCSE
Genmab A/S	20/06/2024	3:51:13 PM	1,778.5000	209	XCSE
Genmab A/S	20/06/2024	3:51:13 PM	1,778.5000	104	XCSE
Genmab A/S	20/06/2024	3:51:13 PM	1,778.5000	46	XCSE
Genmab A/S	20/06/2024	3:51:13 PM	1,778.5000	11	XCSE
Genmab A/S	20/06/2024	3:51:13 PM	1,778.5000	13	AQEU
Genmab A/S	20/06/2024	3:51:13 PM	1,778.5000	46	AQEU
Genmab A/S	20/06/2024	3:53:16 PM	1,782.0000	3	AQEU
Genmab A/S	20/06/2024	3:53:16 PM	1,782.0000	20	XCSE
Genmab A/S	20/06/2024	3:53:16 PM	1,782.0000	3	XCSE
Genmab A/S	20/06/2024	3:53:16 PM	1,782.0000	23	XCSE
Genmab A/S	20/06/2024	3:53:16 PM	1,782.0000	23	XCSE
Genmab A/S	20/06/2024	3:53:16 PM	1,782.0000	23	XCSE
Genmab A/S	20/06/2024	3:53:16 PM	1,782.0000	23	XCSE

101

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:53:16 PM	1,782.0000	23	XCSE
Genmab A/S	20/06/2024	3:53:16 PM	1,782.0000	23	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	6	AQEU
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	6	AQEU
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	6	AQEU
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	6	AQEU
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	1	AQEU
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	6	AQEU
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	42	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	42	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	12	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	42	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	42	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	42	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	42	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	10	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	3	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	24	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	5	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	32	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	42	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	3	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	4	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	17	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	3	XCSE
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	2	AQEU
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	4	AQEU
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	4	AQEU
Genmab A/S	20/06/2024	3:54:18 PM	1,781.5000	10	XCSE
Genmab A/S	20/06/2024	3:54:58 PM	1,779.5000	40	XCSE
Genmab A/S	20/06/2024	3:54:58 PM	1,779.5000	40	XCSE
Genmab A/S	20/06/2024	3:54:59 PM	1,779.5000	33	XCSE
Genmab A/S	20/06/2024	3:56:28 PM	1,779.5000	45	XCSE
Genmab A/S	20/06/2024	3:56:28 PM	1,779.5000	49	XCSE
Genmab A/S	20/06/2024	3:56:28 PM	1,779.5000	49	XCSE
Genmab A/S	20/06/2024	3:56:28 PM	1,779.5000	45	XCSE
Genmab A/S	20/06/2024	3:56:28 PM	1,779.5000	81	XCSE
Genmab A/S	20/06/2024	3:56:28 PM	1,779.5000	13	XCSE
Genmab A/S	20/06/2024	3:56:28 PM	1,779.5000	99	XCSE
Genmab A/S	20/06/2024	3:56:28 PM	1,779.5000	12	AQEU
Genmab A/S	20/06/2024	3:56:28 PM	1,779.5000	20	AQEU
Genmab A/S	20/06/2024	3:56:28 PM	1,779.5000	5	XCSE
Genmab A/S	20/06/2024	3:56:29 PM	1,779.5000	14	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,782.0000	23	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,782.0000	115	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,782.0000	23	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,782.0000	23	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,782.0000	23	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,782.0000	23	XCSE

102

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	3:58:56 PM	1,782.0000	4	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,782.0000	3	AQEU
Genmab A/S	20/06/2024	3:58:56 PM	1,782.0000	25	AQEU
Genmab A/S	20/06/2024	3:58:56 PM	1,781.5000	45	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,782.0000	16	AQEU
Genmab A/S	20/06/2024	3:58:56 PM	1,781.5000	23	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,781.5000	20	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,781.5000	2	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,781.5000	27	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,781.5000	18	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,781.5000	45	XCSE
Genmab A/S	20/06/2024	3:58:56 PM	1,781.5000	45	XCSE
Genmab A/S	20/06/2024	3:59:00 PM	1,781.0000	18	XCSE
Genmab A/S	20/06/2024	4:00:50 PM	1,783.0000	22	AQEU
Genmab A/S	20/06/2024	4:00:50 PM	1,783.0000	10	AQEU
Genmab A/S	20/06/2024	4:00:50 PM	1,783.0000	12	AQEU
Genmab A/S	20/06/2024	4:00:50 PM	1,783.0000	86	XCSE
Genmab A/S	20/06/2024	4:00:50 PM	1,783.0000	86	XCSE
Genmab A/S	20/06/2024	4:00:50 PM	1,783.0000	86	XCSE
Genmab A/S	20/06/2024	4:00:50 PM	1,783.0000	37	XCSE
Genmab A/S	20/06/2024	4:00:50 PM	1,783.0000	12	XCSE
Genmab A/S	20/06/2024	4:00:50 PM	1,783.0000	37	XCSE
Genmab A/S	20/06/2024	4:00:50 PM	1,783.0000	8	XCSE
Genmab A/S	20/06/2024	4:02:23 PM	1,783.0000	20	AQEU
Genmab A/S	20/06/2024	4:02:31 PM	1,783.0000	167	XCSE
Genmab A/S	20/06/2024	4:02:31 PM	1,783.0000	167	XCSE
Genmab A/S	20/06/2024	4:02:31 PM	1,783.0000	1	AQEU
Genmab A/S	20/06/2024	4:02:31 PM	1,783.0000	7	XCSE
Genmab A/S	20/06/2024	4:03:31 PM	1,785.5000	8	XCSE
Genmab A/S	20/06/2024	4:03:31 PM	1,785.5000	315	XCSE
Genmab A/S	20/06/2024	4:03:31 PM	1,785.5000	16	AQEU
Genmab A/S	20/06/2024	4:03:31 PM	1,785.5000	25	AQEU
Genmab A/S	20/06/2024	4:06:29 PM	1,785.5000	20	XCSE
Genmab A/S	20/06/2024	4:06:30 PM	1,785.5000	20	XCSE
Genmab A/S	20/06/2024	4:06:31 PM	1,785.5000	20	XCSE
Genmab A/S	20/06/2024	4:06:32 PM	1,785.5000	20	XCSE
Genmab A/S	20/06/2024	4:07:26 PM	1,788.5000	3	CEUX
Genmab A/S	20/06/2024	4:07:26 PM	1,788.5000	49	CEUX
Genmab A/S	20/06/2024	4:07:26 PM	1,788.5000	49	CEUX
Genmab A/S	20/06/2024	4:07:26 PM	1,788.5000	16	CEUX
Genmab A/S	20/06/2024	4:07:32 PM	1,788.5000	33	CEUX
Genmab A/S	20/06/2024	4:07:32 PM	1,788.0000	57	XCSE
Genmab A/S	20/06/2024	4:07:32 PM	1,788.0000	50	XCSE
Genmab A/S	20/06/2024	4:07:32 PM	1,788.0000	59	XCSE
Genmab A/S	20/06/2024	4:07:32 PM	1,788.0000	50	XCSE
Genmab A/S	20/06/2024	4:07:32 PM	1,788.0000	109	XCSE
Genmab A/S	20/06/2024	4:07:32 PM	1,788.0000	57	XCSE
Genmab A/S	20/06/2024	4:07:32 PM	1,788.0000	21	AQEU
Genmab A/S	20/06/2024	4:07:32 PM	1,788.0000	118	XCSE

103

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	4:07:32 PM	1,788.0000	42	XCSE
Genmab A/S	20/06/2024	4:08:03 PM	1,786.5000	11	AQEU
Genmab A/S	20/06/2024	4:08:03 PM	1,786.5000	4	TQEX
Genmab A/S	20/06/2024	4:08:03 PM	1,786.5000	7	TQEX
Genmab A/S	20/06/2024	4:08:03 PM	1,786.5000	81	XCSE
Genmab A/S	20/06/2024	4:09:57 PM	1,787.5000	50	XCSE
Genmab A/S	20/06/2024	4:09:57 PM	1,787.5000	10	XCSE
Genmab A/S	20/06/2024	4:09:57 PM	1,787.5000	50	XCSE
Genmab A/S	20/06/2024	4:09:57 PM	1,787.5000	50	XCSE
Genmab A/S	20/06/2024	4:09:57 PM	1,787.5000	146	XCSE
Genmab A/S	20/06/2024	4:09:57 PM	1,788.0000	36	XCSE
Genmab A/S	20/06/2024	4:09:57 PM	1,787.5000	38	AQEU
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	45	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	45	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	45	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	2	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	43	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	14	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	7	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	10	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	14	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	31	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	45	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	14	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	31	XCSE
Genmab A/S	20/06/2024	4:10:00 PM	1,787.0000	8	XCSE
Genmab A/S	20/06/2024	4:10:01 PM	1,787.0000	40	XCSE
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	1	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	18	XCSE
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	119	XCSE
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	18	XCSE
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	11	XCSE
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	3	AQEU
Genmab A/S	20/06/2024	4:12:35 PM	1,787.5000	13	XCSE
Genmab A/S	20/06/2024	4:13:43 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:43 PM	1,789.0000	7	XCSE
Genmab A/S	20/06/2024	4:13:43 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:43 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:44 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:44 PM	1,789.0000	23	XCSE

104

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	4:13:44 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:44 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:44 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:44 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:44 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:44 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:44 PM	1,789.0000	38	XCSE
Genmab A/S	20/06/2024	4:13:44 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:45 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:45 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:45 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:45 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:45 PM	1,789.0000	23	XCSE
Genmab A/S	20/06/2024	4:13:45 PM	1,789.0000	39	XCSE
Genmab A/S	20/06/2024	4:13:46 PM	1,788.0000	40	XCSE
Genmab A/S	20/06/2024	4:13:46 PM	1,788.0000	25	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	12	AQEU
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	13	AQEU
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	16	AQEU
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	14	AQEU
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	194	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	5	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	5	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	5	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	5	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	5	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	89	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	2	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	13	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	80	XCSE
Genmab A/S	20/06/2024	4:16:37 PM	1,789.5000	40	XCSE
Genmab A/S	20/06/2024	4:17:27 PM	1,790.5000	9	AQEU
Genmab A/S	20/06/2024	4:17:27 PM	1,790.5000	1	AQEU
Genmab A/S	20/06/2024	4:17:27 PM	1,790.5000	39	XCSE
Genmab A/S	20/06/2024	4:17:27 PM	1,790.5000	30	XCSE
Genmab A/S	20/06/2024	4:17:27 PM	1,790.5000	49	XCSE
Genmab A/S	20/06/2024	4:17:27 PM	1,790.5000	9	XCSE
Genmab A/S	20/06/2024	4:17:27 PM	1,790.5000	12	XCSE
Genmab A/S	20/06/2024	4:17:28 PM	1,790.5000	1	XCSE
Genmab A/S	20/06/2024	4:18:59 PM	1,790.5000	22	XCSE
Genmab A/S	20/06/2024	4:18:59 PM	1,790.5000	37	XCSE
Genmab A/S	20/06/2024	4:19:00 PM	1,790.5000	22	XCSE
Genmab A/S	20/06/2024	4:19:00 PM	1,790.5000	22	XCSE
Genmab A/S	20/06/2024	4:19:01 PM	1,790.5000	22	XCSE
Genmab A/S	20/06/2024	4:19:16 PM	1,790.5000	22	XCSE
Genmab A/S	20/06/2024	4:19:16 PM	1,790.5000	16	XCSE
Genmab A/S	20/06/2024	4:19:20 PM	1,790.5000	19	XCSE
Genmab A/S	20/06/2024	4:19:20 PM	1,790.5000	3	XCSE
Genmab A/S	20/06/2024	4:19:20 PM	1,790.5000	34	XCSE

105

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	4:19:20 PM	1,790.5000	22	XCSE
Genmab A/S	20/06/2024	4:19:20 PM	1,790.5000	12	XCSE
Genmab A/S	20/06/2024	4:19:20 PM	1,790.5000	10	XCSE
Genmab A/S	20/06/2024	4:19:20 PM	1,790.5000	3	AQEU
Genmab A/S	20/06/2024	4:19:21 PM	1,790.5000	18	XCSE
Genmab A/S	20/06/2024	4:19:35 PM	1,789.0000	21	XCSE
Genmab A/S	20/06/2024	4:19:35 PM	1,789.0000	21	XCSE
Genmab A/S	20/06/2024	4:19:35 PM	1,789.0000	37	XCSE
Genmab A/S	20/06/2024	4:21:51 PM	1,790.5000	5	XCSE
Genmab A/S	20/06/2024	4:21:54 PM	1,790.5000	28	XCSE
Genmab A/S	20/06/2024	4:21:54 PM	1,790.5000	6	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,790.5000	35	CEUX
Genmab A/S	20/06/2024	4:22:04 PM	1,790.0000	34	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,790.0000	184	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,790.0000	161	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,790.0000	28	AQEU
Genmab A/S	20/06/2024	4:22:04 PM	1,790.0000	21	AQEU
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	17	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	33	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	17	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	30	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	17	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	33	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	27	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	20	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	50	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	8	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	20	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	19	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	31	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	19	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	15	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	6	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	14	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	12	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	20	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	12	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	18	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	47	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	14	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	7	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	29	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	7	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.5000	50	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.0000	42	XCSE
Genmab A/S	20/06/2024	4:22:04 PM	1,789.0000	10	XCSE
Genmab A/S	20/06/2024	4:22:06 PM	1,789.0000	41	XCSE
Genmab A/S	20/06/2024	4:26:04 PM	1,789.5000	69	XCSE
Genmab A/S	20/06/2024	4:26:04 PM	1,789.5000	69	XCSE

106

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	4:26:04 PM	1,789.5000	25	XCSE
Genmab A/S	20/06/2024	4:26:05 PM	1,789.5000	44	XCSE
Genmab A/S	20/06/2024	4:26:05 PM	1,789.0000	13	XCSE
Genmab A/S	20/06/2024	4:26:07 PM	1,788.5000	7	XCSE
Genmab A/S	20/06/2024	4:28:34 PM	1,790.5000	9	CEUX
Genmab A/S	20/06/2024	4:28:34 PM	1,790.5000	13	CEUX
Genmab A/S	20/06/2024	4:28:38 PM	1,790.5000	14	CEUX
Genmab A/S	20/06/2024	4:28:49 PM	1,789.5000	5	XCSE
Genmab A/S	20/06/2024	4:29:41 PM	1,789.5000	133	XCSE
Genmab A/S	20/06/2024	4:29:41 PM	1,789.5000	143	XCSE
Genmab A/S	20/06/2024	4:29:41 PM	1,789.5000	297	XCSE
Genmab A/S	20/06/2024	4:29:41 PM	1,789.5000	35	AQEU
Genmab A/S	20/06/2024	4:29:41 PM	1,789.0000	46	XCSE
Genmab A/S	20/06/2024	4:29:41 PM	1,789.0000	42	XCSE
Genmab A/S	20/06/2024	4:29:41 PM	1,789.0000	2	XCSE
Genmab A/S	20/06/2024	4:29:41 PM	1,789.0000	20	XCSE
Genmab A/S	20/06/2024	4:29:41 PM	1,789.0000	2	TQEX
Genmab A/S	20/06/2024	4:30:44 PM	1,790.0000	10	XCSE
Genmab A/S	20/06/2024	4:30:50 PM	1,790.0000	10	XCSE
Genmab A/S	20/06/2024	4:30:55 PM	1,790.0000	170	XCSE
Genmab A/S	20/06/2024	4:32:39 PM	1,791.5000	3	AQEU
Genmab A/S	20/06/2024	4:32:39 PM	1,791.5000	7	AQEU
Genmab A/S	20/06/2024	4:32:39 PM	1,791.5000	20	XCSE
Genmab A/S	20/06/2024	4:32:39 PM	1,791.5000	13	XCSE
Genmab A/S	20/06/2024	4:32:39 PM	1,791.5000	7	XCSE
Genmab A/S	20/06/2024	4:32:39 PM	1,791.5000	126	XCSE
Genmab A/S	20/06/2024	4:32:39 PM	1,791.5000	20	XCSE
Genmab A/S	20/06/2024	4:32:40 PM	1,791.5000	20	XCSE
Genmab A/S	20/06/2024	4:32:41 PM	1,791.5000	18	XCSE
Genmab A/S	20/06/2024	4:32:42 PM	1,791.5000	2	XCSE
Genmab A/S	20/06/2024	4:33:33 PM	1,792.0000	11	XCSE
Genmab A/S	20/06/2024	4:33:33 PM	1,792.0000	9	XCSE
Genmab A/S	20/06/2024	4:33:33 PM	1,792.0000	20	XCSE
Genmab A/S	20/06/2024	4:33:33 PM	1,792.0000	1	XCSE
Genmab A/S	20/06/2024	4:33:33 PM	1,792.0000	20	XCSE
Genmab A/S	20/06/2024	4:33:33 PM	1,792.0000	10	XCSE
Genmab A/S	20/06/2024	4:33:33 PM	1,792.0000	10	XCSE
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	3	AQEU
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	20	XCSE
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	20	XCSE
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	20	XCSE
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	3	AQEU
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	3	AQEU
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	20	XCSE
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	10	XCSE
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	10	XCSE
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	20	XCSE
Genmab A/S	20/06/2024	4:33:34 PM	1,792.0000	3	AQEU
Genmab A/S	20/06/2024	4:33:35 PM	1,792.0000	18	XCSE

107

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	4:33:35 PM	1,792.0000	2	XCSE
Genmab A/S	20/06/2024	4:33:35 PM	1,792.0000	3	AQEU
Genmab A/S	20/06/2024	4:33:35 PM	1,792.0000	10	XCSE
Genmab A/S	20/06/2024	4:33:35 PM	1,792.0000	10	XCSE
Genmab A/S	20/06/2024	4:33:35 PM	1,792.0000	5	XCSE
Genmab A/S	20/06/2024	4:34:17 PM	1,792.0000	140	XCSE
Genmab A/S	20/06/2024	4:34:17 PM	1,792.0000	19	TQEX
Genmab A/S	20/06/2024	4:34:17 PM	1,792.0000	18	TQEX
Genmab A/S	20/06/2024	4:36:06 PM	1,794.0000	9	TQEX
Genmab A/S	20/06/2024	4:36:14 PM	1,793.0000	18	XCSE
Genmab A/S	20/06/2024	4:36:14 PM	1,793.0000	26	XCSE
Genmab A/S	20/06/2024	4:38:08 PM	1,794.0000	38	XCSE
Genmab A/S	20/06/2024	4:38:08 PM	1,794.0000	25	XCSE
Genmab A/S	20/06/2024	4:38:08 PM	1,794.0000	38	XCSE
Genmab A/S	20/06/2024	4:38:08 PM	1,794.0000	25	XCSE
Genmab A/S	20/06/2024	4:38:21 PM	1,794.0000	38	XCSE
Genmab A/S	20/06/2024	4:38:21 PM	1,794.0000	25	XCSE
Genmab A/S	20/06/2024	4:38:21 PM	1,794.0000	23	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	38	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	25	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	23	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	38	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	25	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	23	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	38	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	25	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	23	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	5	AQEU
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	15	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	23	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	34	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	4	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	35	XCSE
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	5	AQEU
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	5	AQEU
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	5	AQEU
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	5	AQEU
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	5	AQEU
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	5	AQEU
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	5	AQEU
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	5	AQEU
Genmab A/S	20/06/2024	4:38:22 PM	1,794.0000	1	AQEU
Genmab A/S	20/06/2024	4:38:30 PM	1,793.5000	221	XCSE
Genmab A/S	20/06/2024	4:38:30 PM	1,793.5000	3	XCSE
Genmab A/S	20/06/2024	4:38:30 PM	1,793.5000	22	XCSE
Genmab A/S	20/06/2024	4:38:30 PM	1,793.5000	202	XCSE
Genmab A/S	20/06/2024	4:38:30 PM	1,793.5000	12	XCSE
Genmab A/S	20/06/2024	4:38:30 PM	1,793.5000	202	XCSE
Genmab A/S	20/06/2024	4:38:30 PM	1,793.5000	40	XCSE

108

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	4:38:30 PM	1,793.5000	184	XCSE
Genmab A/S	20/06/2024	4:38:30 PM	1,793.5000	44	XCSE
Genmab A/S	20/06/2024	4:40:17 PM	1,795.0000	40	XCSE
Genmab A/S	20/06/2024	4:40:17 PM	1,795.0000	33	XCSE
Genmab A/S	20/06/2024	4:40:17 PM	1,795.0000	12	XCSE
Genmab A/S	20/06/2024	4:40:17 PM	1,795.0000	40	XCSE
Genmab A/S	20/06/2024	4:40:17 PM	1,795.0000	12	XCSE
Genmab A/S	20/06/2024	4:40:17 PM	1,795.0000	33	XCSE
Genmab A/S	20/06/2024	4:40:17 PM	1,795.0000	19	XCSE
Genmab A/S	20/06/2024	4:40:17 PM	1,795.0000	21	XCSE
Genmab A/S	20/06/2024	4:40:17 PM	1,795.0000	45	XCSE
Genmab A/S	20/06/2024	4:40:19 PM	1,795.0000	40	XCSE
Genmab A/S	20/06/2024	4:40:19 PM	1,795.0000	45	XCSE
Genmab A/S	20/06/2024	4:40:19 PM	1,795.0000	9	XCSE
Genmab A/S	20/06/2024	4:40:19 PM	1,795.0000	45	XCSE
Genmab A/S	20/06/2024	4:40:19 PM	1,795.0000	44	XCSE
Genmab A/S	20/06/2024	4:40:19 PM	1,795.0000	1	XCSE
Genmab A/S	20/06/2024	4:40:19 PM	1,795.0000	44	XCSE
Genmab A/S	20/06/2024	4:42:53 PM	1,791.0000	22	XCSE
Genmab A/S	20/06/2024	4:42:53 PM	1,791.0000	68	XCSE
Genmab A/S	20/06/2024	4:43:15 PM	1,791.5000	21	XCSE
Genmab A/S	20/06/2024	4:44:04 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:44:04 PM	1,791.5000	10	XCSE
Genmab A/S	20/06/2024	4:44:05 PM	1,791.5000	15	XCSE
Genmab A/S	20/06/2024	4:44:06 PM	1,791.5000	24	XCSE
Genmab A/S	20/06/2024	4:44:06 PM	1,791.5000	1	XCSE
Genmab A/S	20/06/2024	4:44:06 PM	1,791.5000	13	XCSE
Genmab A/S	20/06/2024	4:44:34 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:44:35 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:44:36 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:44:36 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:44:36 PM	1,791.5000	13	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	63	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	1	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	8	AQEU
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	8	AQEU
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	8	AQEU
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	26	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	8	AQEU
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	4	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	34	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	64	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	64	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	30	XCSE

109

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	8	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	8	AQEU
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	4	AQEU
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	51	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	8	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	39	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	25	XCSE
Genmab A/S	20/06/2024	4:45:02 PM	1,791.5000	16	XCSE
Genmab A/S	20/06/2024	4:45:03 PM	1,791.5000	18	XCSE
Genmab A/S	20/06/2024	4:45:03 PM	1,791.5000	7	XCSE
Genmab A/S	20/06/2024	4:45:04 PM	1,791.5000	20	XCSE
Genmab A/S	20/06/2024	4:45:04 PM	1,791.5000	5	XCSE
Genmab A/S	20/06/2024	4:45:05 PM	1,791.5000	20	XCSE
Genmab A/S	20/06/2024	4:45:05 PM	1,791.5000	5	XCSE
Genmab A/S	20/06/2024	4:45:52 PM	1,790.5000	12	XCSE
Genmab A/S	20/06/2024	4:46:02 PM	1,790.5000	21	XCSE
Genmab A/S	20/06/2024	4:46:04 PM	1,790.5000	4	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	50	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	27	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	50	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	27	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	77	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	77	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	77	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	64	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	13	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	26	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	23	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	7	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	21	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	77	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	2	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	59	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	16	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	4	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	26	XCSE
Genmab A/S	20/06/2024	4:46:18 PM	1,792.5000	33	XCSE
Genmab A/S	20/06/2024	4:46:19 PM	1,792.5000	3	XCSE
Genmab A/S	20/06/2024	4:46:19 PM	1,792.5000	15	XCSE
Genmab A/S	20/06/2024	4:46:19 PM	1,792.5000	26	XCSE
Genmab A/S	20/06/2024	4:46:19 PM	1,792.5000	51	XCSE
Genmab A/S	20/06/2024	4:46:19 PM	1,792.5000	59	XCSE
Genmab A/S	20/06/2024	4:46:20 PM	1,791.5000	50	XCSE
Genmab A/S	20/06/2024	4:46:20 PM	1,791.5000	50	XCSE
Genmab A/S	20/06/2024	4:46:20 PM	1,791.5000	50	XCSE
Genmab A/S	20/06/2024	4:46:21 PM	1,791.5000	50	XCSE
Genmab A/S	20/06/2024	4:46:21 PM	1,791.5000	50	XCSE

110

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	4:48:19 PM	1,792.0000	73	XCSE
Genmab A/S	20/06/2024	4:48:19 PM	1,792.0000	50	XCSE
Genmab A/S	20/06/2024	4:48:19 PM	1,792.0000	24	XCSE
Genmab A/S	20/06/2024	4:48:19 PM	1,792.0000	21	XCSE
Genmab A/S	20/06/2024	4:48:19 PM	1,792.0000	24	XCSE
Genmab A/S	20/06/2024	4:48:19 PM	1,792.0000	47	XCSE
Genmab A/S	20/06/2024	4:49:36 PM	1,794.0000	22	XCSE
Genmab A/S	20/06/2024	4:49:36 PM	1,794.0000	22	XCSE
Genmab A/S	20/06/2024	4:49:37 PM	1,794.0000	22	XCSE
Genmab A/S	20/06/2024	4:49:38 PM	1,794.0000	22	XCSE
Genmab A/S	20/06/2024	4:50:10 PM	1,794.0000	22	XCSE
Genmab A/S	20/06/2024	4:50:10 PM	1,794.0000	22	XCSE
Genmab A/S	20/06/2024	4:50:45 PM	1,794.0000	8	TQEX
Genmab A/S	20/06/2024	4:50:45 PM	1,794.0000	29	TQEX
Genmab A/S	20/06/2024	4:50:51 PM	1,794.0000	34	TQEX
Genmab A/S	20/06/2024	4:50:55 PM	1,794.0000	13	TQEX
Genmab A/S	20/06/2024	4:50:55 PM	1,794.0000	27	TQEX
Genmab A/S	20/06/2024	4:50:59 PM	1,794.0000	26	XCSE
Genmab A/S	20/06/2024	4:50:59 PM	1,794.0000	13	XCSE
Genmab A/S	20/06/2024	4:51:14 PM	1,794.5000	31	XCSE
Genmab A/S	20/06/2024	4:51:14 PM	1,794.5000	11	XCSE
Genmab A/S	20/06/2024	4:51:14 PM	1,794.5000	60	XCSE
Genmab A/S	20/06/2024	4:51:26 PM	1,795.0000	50	XCSE
Genmab A/S	20/06/2024	4:51:26 PM	1,795.0000	19	XCSE
Genmab A/S	20/06/2024	4:51:26 PM	1,795.0000	8	XCSE
Genmab A/S	20/06/2024	4:51:27 PM	1,795.0000	91	XCSE
Genmab A/S	20/06/2024	4:51:31 PM	1,795.0000	48	XCSE
Genmab A/S	20/06/2024	4:51:31 PM	1,795.0000	105	XCSE
Genmab A/S	20/06/2024	4:51:31 PM	1,795.0000	15	XCSE
Genmab A/S	20/06/2024	4:51:31 PM	1,795.0000	15	XCSE
Genmab A/S	20/06/2024	4:51:39 PM	1,794.5000	88	XCSE
Genmab A/S	20/06/2024	4:51:39 PM	1,794.5000	46	XCSE
Genmab A/S	20/06/2024	4:51:39 PM	1,794.5000	134	XCSE
Genmab A/S	20/06/2024	4:51:39 PM	1,794.5000	6	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.5000	134	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.5000	23	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.5000	25	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.5000	134	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.5000	23	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.5000	134	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.5000	22	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.5000	17	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.5000	61	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.0000	21	XCSE
Genmab A/S	20/06/2024	4:52:15 PM	1,794.0000	38	XCSE
Genmab A/S	20/06/2024	4:52:16 PM	1,793.5000	47	AQEU
Genmab A/S	20/06/2024	4:52:16 PM	1,793.5000	18	AQEU
Genmab A/S	20/06/2024	4:52:51 PM	1,794.0000	21	TQEX
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU

111

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	25	AQEU
Genmab A/S	20/06/2024	4:54:21 PM	1,796.5000	12	AQEU
Genmab A/S	20/06/2024	4:54:28 PM	1,795.5000	9	XCSE
Genmab A/S	21/06/2024	9:00:22 AM	1,799.5000	18	CEUX
Genmab A/S	21/06/2024	9:00:22 AM	1,799.5000	2	AQEU
Genmab A/S	21/06/2024	9:00:22 AM	1,799.5000	3	AQEU
Genmab A/S	21/06/2024	9:00:22 AM	1,799.5000	5	TQEX
Genmab A/S	21/06/2024	9:00:22 AM	1,799.5000	18	CEUX
Genmab A/S	21/06/2024	9:00:22 AM	1,799.5000	18	XCSE
Genmab A/S	21/06/2024	9:00:22 AM	1,799.5000	18	CEUX
Genmab A/S	21/06/2024	9:00:22 AM	1,799.5000	18	XCSE
Genmab A/S	21/06/2024	9:00:47 AM	1,798.5000	17	CEUX
Genmab A/S	21/06/2024	9:00:47 AM	1,798.5000	5	CEUX
Genmab A/S	21/06/2024	9:00:47 AM	1,798.5000	15	CEUX
Genmab A/S	21/06/2024	9:00:47 AM	1,798.5000	17	CEUX
Genmab A/S	21/06/2024	9:02:13 AM	1,800.0000	3	XCSE
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	21	CEUX
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	15	CEUX
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	19	XCSE
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	4	XCSE
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	19	XCSE
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	19	XCSE
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	22	XCSE
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	39	XCSE
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	23	XCSE
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	15	XCSE
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	5	TQEX
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	5	TQEX
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	5	TQEX
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	5	TQEX
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	5	TQEX
Genmab A/S	21/06/2024	9:02:15 AM	1,800.0000	5	TQEX
Genmab A/S	21/06/2024	9:02:17 AM	1,800.0000	7	CEUX
Genmab A/S	21/06/2024	9:02:17 AM	1,800.0000	19	CEUX
Genmab A/S	21/06/2024	9:06:37 AM	1,807.5000	3	XCSE
Genmab A/S	21/06/2024	9:07:33 AM	1,809.5000	25	XCSE
Genmab A/S	21/06/2024	9:07:33 AM	1,809.5000	9	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	4	CEUX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	7	CEUX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	24	CEUX

112

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	35	CEUX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	7	CEUX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	35	CEUX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	6	TQEX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	6	TQEX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	39	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	35	CEUX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	39	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	6	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	21	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	15	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	3	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	15	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	18	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	18	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	2	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	35	CEUX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	6	TQEX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	35	CEUX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	6	TQEX
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	12	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	7	XCSE
Genmab A/S	21/06/2024	9:07:39 AM	1,809.5000	6	TQEX
Genmab A/S	21/06/2024	9:07:41 AM	1,809.5000	30	XCSE
Genmab A/S	21/06/2024	9:07:41 AM	1,809.5000	9	XCSE
Genmab A/S	21/06/2024	9:07:41 AM	1,809.5000	7	XCSE
Genmab A/S	21/06/2024	9:07:41 AM	1,809.5000	7	XCSE
Genmab A/S	21/06/2024	9:07:41 AM	1,809.5000	13	XCSE
Genmab A/S	21/06/2024	9:07:41 AM	1,809.5000	5	XCSE
Genmab A/S	21/06/2024	9:08:12 AM	1,810.0000	5	TQEX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	14	CEUX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	27	CEUX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	27	CEUX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	14	CEUX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	4	CEUX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	6	AQEU
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	6	AQEU
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	6	AQEU
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	6	AQEU
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	6	AQEU
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	6	AQEU
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	6	AQEU
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	2	AQEU
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	6	TQEX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	3	TQEX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	3	TQEX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	3	TQEX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	6	TQEX
Genmab A/S	21/06/2024	9:08:20 AM	1,810.0000	10	CEUX

113

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:08:51 AM	1,809.5000	19	XCSE
Genmab A/S	21/06/2024	9:08:51 AM	1,809.5000	28	XCSE
Genmab A/S	21/06/2024	9:08:51 AM	1,809.5000	43	CEUX
Genmab A/S	21/06/2024	9:08:51 AM	1,809.5000	7	TQEX
Genmab A/S	21/06/2024	9:09:15 AM	1,809.0000	10	XCSE
Genmab A/S	21/06/2024	9:09:15 AM	1,809.0000	10	XCSE
Genmab A/S	21/06/2024	9:09:15 AM	1,809.0000	20	XCSE
Genmab A/S	21/06/2024	9:09:15 AM	1,809.0000	11	CEUX
Genmab A/S	21/06/2024	9:10:08 AM	1,809.5000	22	XCSE
Genmab A/S	21/06/2024	9:10:08 AM	1,809.5000	50	XCSE
Genmab A/S	21/06/2024	9:10:08 AM	1,809.5000	50	XCSE
Genmab A/S	21/06/2024	9:10:08 AM	1,809.5000	55	XCSE
Genmab A/S	21/06/2024	9:10:08 AM	1,809.5000	22	XCSE
Genmab A/S	21/06/2024	9:10:08 AM	1,809.5000	3	XCSE
Genmab A/S	21/06/2024	9:10:08 AM	1,809.5000	5	XCSE
Genmab A/S	21/06/2024	9:10:08 AM	1,809.5000	17	XCSE
Genmab A/S	21/06/2024	9:10:08 AM	1,809.5000	22	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,809.5000	17	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	9	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	8	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	5	TQEX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	9	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	9	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	9	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	9	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	5	TQEX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	5	TQEX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	9	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	5	TQEX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	1	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	8	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	17	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	23	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	23	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,808.0000	20	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.0000	19	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.0000	16	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.0000	2	AQEU
Genmab A/S	21/06/2024	9:10:09 AM	1,808.0000	2	AQEU
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	3	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	20	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	23	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,808.5000	5	XCSE
Genmab A/S	21/06/2024	9:10:09 AM	1,808.0000	5	TQEX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.0000	5	TQEX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.0000	4	CEUX
Genmab A/S	21/06/2024	9:10:09 AM	1,808.0000	19	CEUX
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	14	CEUX
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	11	CEUX

114

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	17	CEUX
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	82	CEUX
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	25	CEUX
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	3	CEUX
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	25	CEUX
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	65	XCSE
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	45	XCSE
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	5	XCSE
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	21	XCSE
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	50	XCSE
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	29	XCSE
Genmab A/S	21/06/2024	9:12:34 AM	1,808.5000	17	CEUX
Genmab A/S	21/06/2024	9:18:50 AM	1,814.0000	24	XCSE
Genmab A/S	21/06/2024	9:18:50 AM	1,814.0000	1	XCSE
Genmab A/S	21/06/2024	9:18:50 AM	1,814.0000	24	CEUX
Genmab A/S	21/06/2024	9:18:50 AM	1,814.0000	22	CEUX
Genmab A/S	21/06/2024	9:18:50 AM	1,814.0000	3	AQEU
Genmab A/S	21/06/2024	9:18:50 AM	1,814.0000	10	CEUX
Genmab A/S	21/06/2024	9:18:50 AM	1,814.0000	5	TQEX
Genmab A/S	21/06/2024	9:18:57 AM	1,814.0000	11	CEUX
Genmab A/S	21/06/2024	9:18:59 AM	1,814.0000	8	XCSE
Genmab A/S	21/06/2024	9:19:56 AM	1,813.5000	13	CEUX
Genmab A/S	21/06/2024	9:19:56 AM	1,813.5000	5	TQEX
Genmab A/S	21/06/2024	9:19:56 AM	1,813.5000	11	XCSE
Genmab A/S	21/06/2024	9:20:22 AM	1,813.0000	4	CEUX
Genmab A/S	21/06/2024	9:20:37 AM	1,814.5000	10	CEUX
Genmab A/S	21/06/2024	9:20:37 AM	1,814.5000	12	AQEU
Genmab A/S	21/06/2024	9:20:37 AM	1,814.5000	10	TQEX
Genmab A/S	21/06/2024	9:20:37 AM	1,814.5000	10	XCSE
Genmab A/S	21/06/2024	9:23:33 AM	1,816.5000	20	XCSE
Genmab A/S	21/06/2024	9:23:33 AM	1,816.5000	55	XCSE
Genmab A/S	21/06/2024	9:23:33 AM	1,816.5000	79	XCSE
Genmab A/S	21/06/2024	9:24:11 AM	1,817.0000	5	TQEX
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	19	XCSE
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	19	CEUX
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	13	CEUX
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	12	CEUX
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	7	CEUX
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	5	TQEX
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	5	TQEX
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	19	XCSE
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	19	CEUX
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	5	CEUX
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	19	XCSE
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	43	XCSE
Genmab A/S	21/06/2024	9:24:14 AM	1,817.0000	14	XCSE
Genmab A/S	21/06/2024	9:24:14 AM	1,816.5000	8	XCSE
Genmab A/S	21/06/2024	9:24:21 AM	1,817.0000	38	CEUX
Genmab A/S	21/06/2024	9:24:35 AM	1,817.0000	36	CEUX

115

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:24:40 AM	1,817.0000	10	CEUX
Genmab A/S	21/06/2024	9:24:40 AM	1,817.0000	21	CEUX
Genmab A/S	21/06/2024	9:24:40 AM	1,817.0000	7	TQEX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	50	XCSE
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	6	XCSE
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	44	XCSE
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	38	XCSE
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	44	XCSE
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	6	XCSE
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	15	XCSE
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	6	XCSE
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	44	CEUX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	18	CEUX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	26	CEUX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	44	CEUX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	26	CEUX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	18	CEUX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	7	AQEU
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	2	AQEU
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	7	TQEX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	7	TQEX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	7	TQEX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	7	TQEX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	44	CEUX
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	15	XCSE
Genmab A/S	21/06/2024	9:24:49 AM	1,816.0000	15	CEUX
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	29	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	41	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	41	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	25	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	25	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	40	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	29	CEUX
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	7	TQEX
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	7	TQEX
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	30	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	21	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	8	TQEX
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	2	TQEX
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	3	TQEX
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	39	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	12	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	39	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	8	TQEX
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	2	TQEX
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	2	TQEX
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	13	XCSE
Genmab A/S	21/06/2024	9:24:50 AM	1,816.0000	9	XCSE

116

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:29:36 AM	1,814.5000	42	CEUX
Genmab A/S	21/06/2024	9:29:36 AM	1,814.5000	14	CEUX
Genmab A/S	21/06/2024	9:29:36 AM	1,814.5000	10	CEUX
Genmab A/S	21/06/2024	9:29:36 AM	1,814.5000	7	TQEX
Genmab A/S	21/06/2024	9:29:36 AM	1,814.5000	46	XCSE
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	11	CEUX
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	11	CEUX
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	11	CEUX
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	11	CEUX
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	9	CEUX
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	2	CEUX
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	5	TQEX
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	10	XCSE
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	10	XCSE
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	20	XCSE
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	11	CEUX
Genmab A/S	21/06/2024	9:30:44 AM	1,818.0000	5	TQEX
Genmab A/S	21/06/2024	9:30:45 AM	1,818.0000	11	CEUX
Genmab A/S	21/06/2024	9:30:45 AM	1,818.0000	10	XCSE
Genmab A/S	21/06/2024	9:30:45 AM	1,818.0000	10	XCSE
Genmab A/S	21/06/2024	9:30:45 AM	1,818.0000	10	XCSE
Genmab A/S	21/06/2024	9:30:45 AM	1,818.0000	10	XCSE
Genmab A/S	21/06/2024	9:30:45 AM	1,818.0000	19	XCSE
Genmab A/S	21/06/2024	9:30:45 AM	1,818.0000	8	XCSE
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	4	XCSE
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	4	XCSE
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	9	CEUX
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	9	CEUX
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	7	CEUX
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	1	AQEU
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	9	AQEU
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	1	AQEU
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	9	CEUX
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	5	TQEX
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	9	TQEX
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	5	TQEX
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	9	TQEX
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	8	XCSE
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	41	XCSE
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	8	XCSE
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	6	XCSE
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	8	XCSE
Genmab A/S	21/06/2024	9:31:10 AM	1,817.0000	55	XCSE
Genmab A/S	21/06/2024	9:33:17 AM	1,817.0000	16	TQEX
Genmab A/S	21/06/2024	9:33:17 AM	1,817.0000	11	XCSE
Genmab A/S	21/06/2024	9:33:17 AM	1,817.0000	9	XCSE
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	49	CEUX
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	7	AQEU
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	4	AQEU

117

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	7	AQEU
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	7	AQEU
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	8	TQEX
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	4	TQEX
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	55	XCSE
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	49	CEUX
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	7	AQEU
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	4	AQEU
Genmab A/S	21/06/2024	9:33:17 AM	1,815.5000	8	TQEX
Genmab A/S	21/06/2024	9:33:27 AM	1,815.5000	55	XCSE
Genmab A/S	21/06/2024	9:33:27 AM	1,815.5000	49	CEUX
Genmab A/S	21/06/2024	9:33:27 AM	1,815.5000	3	CEUX
Genmab A/S	21/06/2024	9:33:27 AM	1,815.5000	2	AQEU
Genmab A/S	21/06/2024	9:33:27 AM	1,815.5000	1	CEUX
Genmab A/S	21/06/2024	9:33:27 AM	1,815.5000	55	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	45	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	49	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	34	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	5	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	8	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	8	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	8	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	55	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	55	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	34	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	21	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	21	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	21	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	21	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	21	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	21	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	21	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	21	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	9	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	12	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	9	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	AQEU

118

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	5	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	5	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	5	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	5	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	5	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	5	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	5	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	5	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	36	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	1	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	5	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	5	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	1	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.5000	3	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	36	CEUX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	8	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	8	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	49	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	10	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	14	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	3	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	8	AQEU
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	8	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	2	TQEX
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	39	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	39	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	13	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	4	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	22	XCSE
Genmab A/S	21/06/2024	9:33:28 AM	1,815.0000	16	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	44	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	25	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	22	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	39	CEUX
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	AQEU
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	3	AQEU
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	39	CEUX
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	CEUX
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	3	AQEU
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	AQEU
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	AQEU
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	AQEU

119

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	AQEU
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	AQEU
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	2	AQEU
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	8	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	8	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,812.0000	6	CEUX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	17	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	2	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	19	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	17	CEUX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	2	CEUX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	19	CEUX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	17	CEUX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	17	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	21	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	17	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	21	XCSE
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	12	CEUX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	2	AQEU
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	2	AQEU
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	9	CEUX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:37:59 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	17	CEUX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	21	CEUX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	2	AQEU
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	2	AQEU
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	17	XCSE
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	21	XCSE
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	3	TQEX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	17	CEUX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	15	CEUX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	2	TQEX
Genmab A/S	21/06/2024	9:38:00 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	9:38:01 AM	1,811.5000	6	CEUX
Genmab A/S	21/06/2024	9:38:01 AM	1,811.5000	13	CEUX

120

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:38:01 AM	1,811.5000	17	XCSE
Genmab A/S	21/06/2024	9:38:01 AM	1,811.5000	20	XCSE
Genmab A/S	21/06/2024	9:38:01 AM	1,811.5000	13	XCSE
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	18	XCSE
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	2	XCSE
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	18	CEUX
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	18	CEUX
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	15	CEUX
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	18	CEUX
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	15	CEUX
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	3	CEUX
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	2	AQEU
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	2	AQEU
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	1	AQEU
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	9:44:39 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	9:46:22 AM	1,814.0000	19	XCSE
Genmab A/S	21/06/2024	9:46:22 AM	1,814.0000	20	XCSE
Genmab A/S	21/06/2024	9:46:35 AM	1,814.0000	13	XCSE
Genmab A/S	21/06/2024	9:46:35 AM	1,814.0000	26	XCSE
Genmab A/S	21/06/2024	9:46:49 AM	1,814.0000	13	XCSE
Genmab A/S	21/06/2024	9:46:49 AM	1,814.0000	23	XCSE
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	20	XCSE
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	23	XCSE
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	23	XCSE
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	10	XCSE
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	39	CEUX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	39	CEUX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	11	CEUX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	11	CEUX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	16	CEUX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	11	CEUX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	1	CEUX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	10	CEUX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	6	AQEU
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	20	AQEU
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	6	AQEU
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	12	AQEU
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	6	TQEX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	6	TQEX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	6	TQEX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	6	TQEX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	12	CEUX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	6	TQEX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	6	TQEX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	6	TQEX
Genmab A/S	21/06/2024	9:48:15 AM	1,813.0000	4	TQEX
Genmab A/S	21/06/2024	9:48:16 AM	1,813.0000	7	XCSE

121

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:48:16 AM	1,813.0000	3	XCSE
Genmab A/S	21/06/2024	9:48:16 AM	1,813.0000	33	XCSE
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	3	AQEU
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	2	AQEU
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	9:48:16 AM	1,813.0000	36	CEUX
Genmab A/S	21/06/2024	9:48:16 AM	1,813.0000	10	CEUX
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	12	XCSE
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	10	XCSE
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	21	XCSE
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	22	XCSE
Genmab A/S	21/06/2024	9:48:16 AM	1,812.5000	21	XCSE
Genmab A/S	21/06/2024	9:51:20 AM	1,817.0000	11	XCSE
Genmab A/S	21/06/2024	9:51:54 AM	1,818.0000	14	XCSE
Genmab A/S	21/06/2024	9:51:54 AM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	9:51:55 AM	1,818.0000	14	XCSE
Genmab A/S	21/06/2024	9:51:55 AM	1,818.0000	11	XCSE
Genmab A/S	21/06/2024	9:52:43 AM	1,819.0000	51	XCSE
Genmab A/S	21/06/2024	9:52:49 AM	1,819.0000	25	XCSE
Genmab A/S	21/06/2024	9:52:49 AM	1,819.0000	26	XCSE
Genmab A/S	21/06/2024	9:52:49 AM	1,819.0000	103	XCSE
Genmab A/S	21/06/2024	9:52:49 AM	1,819.0000	38	XCSE
Genmab A/S	21/06/2024	9:52:49 AM	1,819.0000	51	XCSE
Genmab A/S	21/06/2024	9:52:49 AM	1,819.0000	52	XCSE
Genmab A/S	21/06/2024	9:52:49 AM	1,819.0000	46	CEUX
Genmab A/S	21/06/2024	9:52:49 AM	1,819.0000	72	CEUX
Genmab A/S	21/06/2024	9:52:49 AM	1,819.0000	7	TQEX
Genmab A/S	21/06/2024	9:52:49 AM	1,819.0000	16	TQEX
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	19	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	51	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	21	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	24	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	47	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	19	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	12	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	5	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	45	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	46	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	1	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	19	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	16	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	5	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	18	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	5	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	1	XCSE
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	34	CEUX

122

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	18	CEUX
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	9	CEUX
Genmab A/S	21/06/2024	9:56:25 AM	1,820.0000	5	TQEX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	8	XCSE
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	7	XCSE
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	1	XCSE
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	1	XCSE
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	8	CEUX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	5	TQEX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	9	TQEX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	5	TQEX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	4	TQEX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	8	CEUX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	8	CEUX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	8	CEUX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	8	CEUX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	8	CEUX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	8	CEUX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	5	CEUX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	3	CEUX
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	8	XCSE
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	1	XCSE
Genmab A/S	21/06/2024	10:02:37 AM	1,822.0000	4	CEUX
Genmab A/S	21/06/2024	10:03:10 AM	1,822.0000	5	CEUX
Genmab A/S	21/06/2024	10:03:10 AM	1,822.0000	3	CEUX
Genmab A/S	21/06/2024	10:03:10 AM	1,822.0000	10	CEUX
Genmab A/S	21/06/2024	10:03:10 AM	1,822.0000	1	AQEU
Genmab A/S	21/06/2024	10:03:10 AM	1,822.0000	1	AQEU
Genmab A/S	21/06/2024	10:03:10 AM	1,822.0000	5	TQEX
Genmab A/S	21/06/2024	10:03:10 AM	1,822.0000	5	TQEX
Genmab A/S	21/06/2024	10:04:18 AM	1,823.5000	46	XCSE
Genmab A/S	21/06/2024	10:04:18 AM	1,823.5000	13	XCSE
Genmab A/S	21/06/2024	10:04:19 AM	1,823.0000	8	AQEU
Genmab A/S	21/06/2024	10:04:24 AM	1,823.5000	34	XCSE
Genmab A/S	21/06/2024	10:04:28 AM	1,823.5000	34	CEUX
Genmab A/S	21/06/2024	10:04:37 AM	1,823.5000	7	CEUX
Genmab A/S	21/06/2024	10:04:37 AM	1,823.5000	21	CEUX
Genmab A/S	21/06/2024	10:04:37 AM	1,823.5000	9	CEUX
Genmab A/S	21/06/2024	10:04:56 AM	1,823.5000	2	CEUX
Genmab A/S	21/06/2024	10:04:56 AM	1,823.5000	13	CEUX
Genmab A/S	21/06/2024	10:04:56 AM	1,823.5000	20	XCSE
Genmab A/S	21/06/2024	10:05:09 AM	1,823.0000	53	CEUX
Genmab A/S	21/06/2024	10:05:09 AM	1,823.0000	59	XCSE
Genmab A/S	21/06/2024	10:05:09 AM	1,823.0000	13	XCSE
Genmab A/S	21/06/2024	10:05:09 AM	1,823.0000	9	XCSE
Genmab A/S	21/06/2024	10:05:09 AM	1,823.0000	1	XCSE
Genmab A/S	21/06/2024	10:05:09 AM	1,823.0000	53	CEUX
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	9	XCSE
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	39	XCSE

123

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	9	XCSE
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	9	CEUX
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	9	CEUX
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	9	CEUX
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	9	CEUX
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	2	CEUX
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	5	TQEX
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	9	CEUX
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	5	TQEX
Genmab A/S	21/06/2024	10:05:34 AM	1,822.5000	5	XCSE
Genmab A/S	21/06/2024	10:05:48 AM	1,822.0000	6	CEUX
Genmab A/S	21/06/2024	10:05:48 AM	1,822.0000	2	CEUX
Genmab A/S	21/06/2024	10:05:48 AM	1,822.0000	8	XCSE
Genmab A/S	21/06/2024	10:07:27 AM	1,822.0000	1	AQEU
Genmab A/S	21/06/2024	10:07:27 AM	1,822.0000	8	CEUX
Genmab A/S	21/06/2024	10:07:27 AM	1,822.0000	8	XCSE
Genmab A/S	21/06/2024	10:07:27 AM	1,822.0000	5	TQEX
Genmab A/S	21/06/2024	10:07:36 AM	1,822.5000	23	AQEU
Genmab A/S	21/06/2024	10:07:36 AM	1,822.5000	4	AQEU
Genmab A/S	21/06/2024	10:07:36 AM	1,822.5000	10	AQEU
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	71	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	25	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	23	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	39	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	32	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	39	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	71	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	16	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	10	AQEU
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	7	AQEU
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	33	AQEU
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	5	TQEX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	11	TQEX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	7	TQEX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	11	TQEX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	7	TQEX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	9	TQEX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	2	TQEX
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	52	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	26	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	52	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	169	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,823.5000	50	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	21	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	42	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	21	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	42	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	21	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	27	XCSE

124

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	30	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	21	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	21	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	1	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	1	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	19	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	19	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	2	AQEU
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	9	AQEU
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	20	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	20	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	20	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	20	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	2	AQEU
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	5	TQEX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	5	TQEX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	1	TQEX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	4	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	2	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	2	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	1	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	18	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	18	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	1	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	2	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	2	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	3	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	16	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	2	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	3	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	15	CEUX
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	30	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	55	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	48	XCSE
Genmab A/S	21/06/2024	10:08:47 AM	1,822.5000	13	XCSE
Genmab A/S	21/06/2024	10:15:23 AM	1,814.0000	18	XCSE
Genmab A/S	21/06/2024	10:15:23 AM	1,814.0000	127	XCSE
Genmab A/S	21/06/2024	10:16:27 AM	1,813.0000	1	CEUX
Genmab A/S	21/06/2024	10:16:27 AM	1,813.0000	16	CEUX
Genmab A/S	21/06/2024	10:16:27 AM	1,813.0000	5	CEUX
Genmab A/S	21/06/2024	10:16:27 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	10:16:27 AM	1,813.0000	18	XCSE
Genmab A/S	21/06/2024	10:16:27 AM	1,813.0000	5	CEUX
Genmab A/S	21/06/2024	10:17:55 AM	1,813.0000	41	CEUX
Genmab A/S	21/06/2024	10:17:55 AM	1,813.0000	45	XCSE
Genmab A/S	21/06/2024	10:17:55 AM	1,813.0000	45	XCSE
Genmab A/S	21/06/2024	10:17:55 AM	1,813.0000	7	CEUX
Genmab A/S	21/06/2024	10:17:55 AM	1,813.0000	1	CEUX
Genmab A/S	21/06/2024	10:17:55 AM	1,813.0000	2	CEUX

125

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:17:55 AM	1,813.0000	45	XCSE
Genmab A/S	21/06/2024	10:17:55 AM	1,813.0000	38	XCSE
Genmab A/S	21/06/2024	10:20:22 AM	1,811.0000	9	CEUX
Genmab A/S	21/06/2024	10:20:22 AM	1,811.0000	9	CEUX
Genmab A/S	21/06/2024	10:20:22 AM	1,811.0000	5	CEUX
Genmab A/S	21/06/2024	10:21:02 AM	1,812.0000	36	CEUX
Genmab A/S	21/06/2024	10:21:02 AM	1,812.0000	2	AQEU
Genmab A/S	21/06/2024	10:21:02 AM	1,812.0000	2	AQEU
Genmab A/S	21/06/2024	10:23:33 AM	1,813.5000	12	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,813.5000	55	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,813.5000	25	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	44	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	44	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	3	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	14	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	2	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	4	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	4	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	2	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	1	AQEU
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	AQEU
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	7	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	2	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	TQEX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	5	TQEX

126

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	6	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	31	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	3	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	5	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	35	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	2	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	1	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	1	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	4	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	1	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	7	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	1	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	1	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	7	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	2	XCSE
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	3	TQEX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	6	CEUX
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	8	AQEU
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	2	AQEU
Genmab A/S	21/06/2024	10:23:33 AM	1,812.5000	25	CEUX
Genmab A/S	21/06/2024	10:27:00 AM	1,816.0000	3	CEUX
Genmab A/S	21/06/2024	10:27:01 AM	1,816.0000	47	CEUX
Genmab A/S	21/06/2024	10:27:01 AM	1,816.0000	26	CEUX
Genmab A/S	21/06/2024	10:27:01 AM	1,816.0000	16	CEUX
Genmab A/S	21/06/2024	10:27:02 AM	1,816.0000	8	CEUX
Genmab A/S	21/06/2024	10:27:22 AM	1,816.0000	14	CEUX
Genmab A/S	21/06/2024	10:27:22 AM	1,816.0000	31	CEUX
Genmab A/S	21/06/2024	10:27:22 AM	1,816.0000	31	CEUX
Genmab A/S	21/06/2024	10:27:22 AM	1,816.0000	14	CEUX
Genmab A/S	21/06/2024	10:27:22 AM	1,816.0000	15	CEUX
Genmab A/S	21/06/2024	10:27:30 AM	1,816.0000	36	CEUX
Genmab A/S	21/06/2024	10:27:46 AM	1,816.0000	8	CEUX
Genmab A/S	21/06/2024	10:27:46 AM	1,816.0000	11	CEUX
Genmab A/S	21/06/2024	10:27:56 AM	1,816.0000	36	CEUX
Genmab A/S	21/06/2024	10:27:56 AM	1,816.0000	2	XCSE
Genmab A/S	21/06/2024	10:28:18 AM	1,815.0000	11	XCSE
Genmab A/S	21/06/2024	10:29:15 AM	1,816.0000	36	CEUX
Genmab A/S	21/06/2024	10:29:15 AM	1,816.0000	14	CEUX
Genmab A/S	21/06/2024	10:29:15 AM	1,816.0000	6	CEUX

127

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:29:15 AM	1,816.0000	36	CEUX
Genmab A/S	21/06/2024	10:29:15 AM	1,816.0000	7	CEUX
Genmab A/S	21/06/2024	10:29:16 AM	1,816.0000	15	CEUX
Genmab A/S	21/06/2024	10:29:16 AM	1,816.0000	13	CEUX
Genmab A/S	21/06/2024	10:29:22 AM	1,816.0000	9	CEUX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	45	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	33	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	45	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	5	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	55	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	45	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	41	CEUX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	41	CEUX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	9	CEUX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	41	CEUX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	6	AQEU
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	38	AQEU
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	7	TQEX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	7	TQEX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	4	TQEX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	41	CEUX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	11	CEUX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	7	TQEX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	30	CEUX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	10	CEUX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	8	AQEU
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	7	TQEX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	1	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	5	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	9	TQEX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	9	TQEX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	41	CEUX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	8	AQEU
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	6	AQEU
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	7	TQEX
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	39	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,815.5000	7	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,814.5000	5	TQEX
Genmab A/S	21/06/2024	10:29:32 AM	1,814.5000	2	TQEX
Genmab A/S	21/06/2024	10:29:32 AM	1,814.5000	7	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,814.5000	1	XCSE
Genmab A/S	21/06/2024	10:29:32 AM	1,814.5000	3	TQEX
Genmab A/S	21/06/2024	10:29:58 AM	1,813.5000	2	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	7	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	2	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	32	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	2	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	2	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX

128

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	1	AQEU
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	20	AQEU
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	1	AQEU
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	20	AQEU
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	1	AQEU
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	1	AQEU
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	3	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	6	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	4	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	1	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	2	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	36	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	3	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	2	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	7	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	4	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	14	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	7	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	2	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	6	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	3	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	1	XCSE

129

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	8	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	1	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	1	AQEU
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	2	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	3	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	2	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	36	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	4	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	9	AQEU
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	8	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	10	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	25	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	25	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	4	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	21	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	1	XCSE
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	36	CEUX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	2	AQEU
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	8	TQEX
Genmab A/S	21/06/2024	10:33:12 AM	1,816.0000	2	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.5000	10	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.5000	66	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.5000	1	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.5000	5	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.5000	11	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.5000	11	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.5000	19	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.5000	8	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.5000	106	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	20	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	21	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	20	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	21	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	6	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	20	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	6	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	15	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	10	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	1	CEUX

130

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	14	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	4	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	1	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	1	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	22	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	21	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	22	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	21	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	1	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	1	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	1	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	21	XCSE
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	36	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	7	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	9	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	9	AQEU
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	10	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	36	CEUX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	8	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	18	XCSE

131

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	3	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	8	TQEX
Genmab A/S	21/06/2024	10:36:45 AM	1,813.0000	1	TQEX
Genmab A/S	21/06/2024	10:38:14 AM	1,809.0000	19	CEUX
Genmab A/S	21/06/2024	10:38:14 AM	1,809.0000	19	XCSE
Genmab A/S	21/06/2024	10:38:14 AM	1,809.0000	5	TQEX
Genmab A/S	21/06/2024	10:38:14 AM	1,809.0000	13	CEUX
Genmab A/S	21/06/2024	10:38:14 AM	1,809.0000	1	XCSE
Genmab A/S	21/06/2024	10:38:14 AM	1,809.0000	6	CEUX
Genmab A/S	21/06/2024	10:38:14 AM	1,809.0000	5	CEUX
Genmab A/S	21/06/2024	10:38:14 AM	1,809.0000	2	AQEU
Genmab A/S	21/06/2024	10:38:14 AM	1,809.0000	5	TQEX
Genmab A/S	21/06/2024	10:38:14 AM	1,809.0000	18	XCSE
Genmab A/S	21/06/2024	10:38:15 AM	1,809.0000	6	CEUX
Genmab A/S	21/06/2024	10:38:15 AM	1,809.0000	19	XCSE
Genmab A/S	21/06/2024	10:41:48 AM	1,807.5000	23	XCSE
Genmab A/S	21/06/2024	10:42:02 AM	1,805.5000	14	CEUX
Genmab A/S	21/06/2024	10:42:02 AM	1,805.5000	6	CEUX
Genmab A/S	21/06/2024	10:43:13 AM	1,806.5000	3	AQEU
Genmab A/S	21/06/2024	10:43:13 AM	1,806.5000	1	AQEU
Genmab A/S	21/06/2024	10:44:13 AM	1,806.5000	11	CEUX
Genmab A/S	21/06/2024	10:44:13 AM	1,806.5000	13	CEUX
Genmab A/S	21/06/2024	10:44:13 AM	1,806.5000	1	AQEU
Genmab A/S	21/06/2024	10:44:13 AM	1,806.5000	5	TQEX
Genmab A/S	21/06/2024	10:44:13 AM	1,806.5000	24	XCSE
Genmab A/S	21/06/2024	10:44:13 AM	1,806.5000	24	XCSE
Genmab A/S	21/06/2024	10:44:13 AM	1,806.5000	11	CEUX
Genmab A/S	21/06/2024	10:44:47 AM	1,806.5000	31	XCSE
Genmab A/S	21/06/2024	10:45:45 AM	1,807.0000	17	CEUX
Genmab A/S	21/06/2024	10:45:45 AM	1,807.0000	19	CEUX
Genmab A/S	21/06/2024	10:45:46 AM	1,806.5000	19	CEUX
Genmab A/S	21/06/2024	10:45:46 AM	1,806.5000	3	CEUX
Genmab A/S	21/06/2024	10:46:18 AM	1,807.5000	35	CEUX
Genmab A/S	21/06/2024	10:47:50 AM	1,809.5000	18	CEUX
Genmab A/S	21/06/2024	10:47:50 AM	1,809.5000	26	CEUX
Genmab A/S	21/06/2024	10:47:50 AM	1,809.5000	15	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX

132

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	5	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	5	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	5	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	30	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	2	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	5	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	5	TQEX

133

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	23	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	31	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	23	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	35	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	23	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	23	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	39	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	4	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	20	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE

134

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	2	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,810.5000	14	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,810.5000	30	XCSE
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	19	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	6	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	9	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	3	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	3	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	18	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	3	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	CEUX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	3	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	2	TQEX
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	7	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	2	AQEU
Genmab A/S	21/06/2024	10:49:19 AM	1,811.0000	4	AQEU
Genmab A/S	21/06/2024	10:53:41 AM	1,808.5000	50	XCSE
Genmab A/S	21/06/2024	10:53:41 AM	1,808.5000	50	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	8	CEUX
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	8	CEUX
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	22	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	30	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	22	XCSE

135

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	1	AQEU
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	6	AQEU
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	1	AQEU
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	33	AQEU
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	8	CEUX
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	1	AQEU
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	2	AQEU
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	22	CEUX
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	8	CEUX
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	22	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	22	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	22	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	22	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	37	XCSE
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	22	CEUX
Genmab A/S	21/06/2024	10:57:14 AM	1,812.5000	3	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	37	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	24	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	6	AQEU
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	5	AQEU
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	1	AQEU
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	41	XCSE
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	25	XCSE
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	20	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	6	AQEU
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	10:59:36 AM	1,813.0000	3	XCSE
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	43	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	7	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	22	XCSE
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	63	XCSE
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	22	XCSE
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	33	XCSE
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	5	XCSE
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	13	XCSE
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	14	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	22	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	5	TQEX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	14	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	7	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	1	AQEU
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	2	AQEU
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	21	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	18	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	3	AQEU
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	3	AQEU
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	5	TQEX

136

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	5	TQEX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	8	CEUX
Genmab A/S	21/06/2024	10:59:36 AM	1,812.0000	3	AQEU
Genmab A/S	21/06/2024	11:05:07 AM	1,810.5000	35	CEUX
Genmab A/S	21/06/2024	11:05:07 AM	1,810.0000	10	CEUX
Genmab A/S	21/06/2024	11:05:07 AM	1,810.0000	5	TQEX
Genmab A/S	21/06/2024	11:05:07 AM	1,810.0000	10	XCSE
Genmab A/S	21/06/2024	11:05:07 AM	1,810.0000	10	CEUX
Genmab A/S	21/06/2024	11:05:07 AM	1,810.0000	10	CEUX
Genmab A/S	21/06/2024	11:05:07 AM	1,810.0000	10	CEUX
Genmab A/S	21/06/2024	11:05:07 AM	1,810.0000	5	TQEX
Genmab A/S	21/06/2024	11:05:07 AM	1,810.0000	10	XCSE
Genmab A/S	21/06/2024	11:05:55 AM	1,812.0000	39	CEUX
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	20	CEUX
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	3	AQEU
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	3	AQEU
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	3	AQEU
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	3	AQEU
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	1	AQEU
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	3	TQEX
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	2	TQEX
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	51	XCSE
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	22	XCSE
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	51	XCSE
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	22	XCSE
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	20	CEUX
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	15	CEUX
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	2	AQEU
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	8	AQEU
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	3	TQEX
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	11:08:23 AM	1,812.5000	3	TQEX
Genmab A/S	21/06/2024	11:08:24 AM	1,813.0000	10	CEUX
Genmab A/S	21/06/2024	11:08:24 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	11:08:24 AM	1,813.0000	9	XCSE
Genmab A/S	21/06/2024	11:08:25 AM	1,813.0000	10	CEUX
Genmab A/S	21/06/2024	11:08:25 AM	1,813.0000	5	CEUX
Genmab A/S	21/06/2024	11:08:25 AM	1,813.0000	1	AQEU
Genmab A/S	21/06/2024	11:08:25 AM	1,813.0000	5	AQEU
Genmab A/S	21/06/2024	11:08:25 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	11:08:25 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	11:08:25 AM	1,813.0000	9	XCSE
Genmab A/S	21/06/2024	11:08:25 AM	1,813.0000	7	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	45	CEUX
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	7	TQEX
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	48	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	51	XCSE

137

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	45	CEUX
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	48	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	51	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	15	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	51	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	51	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	2	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	45	CEUX
Genmab A/S	21/06/2024	11:09:15 AM	1,812.5000	67	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	39	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	30	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	25	XCSE
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	34	CEUX
Genmab A/S	21/06/2024	11:09:15 AM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	11:12:07 AM	1,811.5000	17	CEUX
Genmab A/S	21/06/2024	11:12:15 AM	1,811.5000	17	CEUX
Genmab A/S	21/06/2024	11:12:15 AM	1,811.5000	3	CEUX
Genmab A/S	21/06/2024	11:12:15 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	11:12:15 AM	1,811.5000	18	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	37	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	5	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	5	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	37	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	23	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	14	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	23	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	14	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	TQEX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	TQEX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	23	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	3	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	37	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	10	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	36	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	42	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	10	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	37	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	14	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	2	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	TQEX

138

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	6	TQEX
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	13	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	8	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	9	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	9	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	9	TQEX
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	10	TQEX
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	23	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	23	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	22	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,811.0000	1	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	5	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	16	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	5	CEUX
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	3	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	5	AQEU
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	5	TQEX
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	50	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	2	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	11	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	18	XCSE
Genmab A/S	21/06/2024	11:12:58 AM	1,810.5000	11	XCSE
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	42	XCSE
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	6	XCSE
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	8	XCSE
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	37	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	14	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	6	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	19	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	6	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	6	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	6	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	1	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	6	TQEX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	6	TQEX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	16	TQEX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	18	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	1	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	4	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	17	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	19	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	4	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	2	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	3	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	5	TQEX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	5	TQEX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	9	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.5000	9	TQEX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	19	XCSE

139

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	23	XCSE
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	21	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	17	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	2	CEUX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	2	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	3	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	3	AQEU
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	5	TQEX
Genmab A/S	21/06/2024	11:16:52 AM	1,808.0000	5	TQEX
Genmab A/S	21/06/2024	11:23:01 AM	1,810.0000	10	CEUX
Genmab A/S	21/06/2024	11:23:01 AM	1,810.0000	5	TQEX
Genmab A/S	21/06/2024	11:23:01 AM	1,810.0000	5	TQEX
Genmab A/S	21/06/2024	11:23:01 AM	1,810.0000	9	XCSE
Genmab A/S	21/06/2024	11:23:01 AM	1,810.0000	9	XCSE
Genmab A/S	21/06/2024	11:23:01 AM	1,810.0000	10	CEUX
Genmab A/S	21/06/2024	11:23:01 AM	1,810.0000	5	TQEX
Genmab A/S	21/06/2024	11:23:02 AM	1,810.0000	9	XCSE
Genmab A/S	21/06/2024	11:23:02 AM	1,810.0000	10	CEUX
Genmab A/S	21/06/2024	11:23:02 AM	1,810.0000	1	AQEU
Genmab A/S	21/06/2024	11:23:02 AM	1,810.0000	5	TQEX
Genmab A/S	21/06/2024	11:23:02 AM	1,810.0000	3	XCSE
Genmab A/S	21/06/2024	11:23:57 AM	1,811.0000	18	CEUX
Genmab A/S	21/06/2024	11:23:57 AM	1,811.0000	3	CEUX
Genmab A/S	21/06/2024	11:23:57 AM	1,811.0000	12	CEUX
Genmab A/S	21/06/2024	11:23:57 AM	1,811.0000	5	CEUX
Genmab A/S	21/06/2024	11:25:52 AM	1,813.0000	12	XCSE
Genmab A/S	21/06/2024	11:25:52 AM	1,813.0000	9	XCSE
Genmab A/S	21/06/2024	11:25:52 AM	1,813.0000	9	XCSE
Genmab A/S	21/06/2024	11:25:52 AM	1,813.0000	9	XCSE
Genmab A/S	21/06/2024	11:25:52 AM	1,813.0000	22	XCSE
Genmab A/S	21/06/2024	11:25:59 AM	1,813.0000	19	CEUX
Genmab A/S	21/06/2024	11:25:59 AM	1,813.0000	46	CEUX
Genmab A/S	21/06/2024	11:25:59 AM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	11:25:59 AM	1,813.0000	5	AQEU
Genmab A/S	21/06/2024	11:25:59 AM	1,813.0000	11	CEUX
Genmab A/S	21/06/2024	11:27:16 AM	1,814.5000	4	CEUX
Genmab A/S	21/06/2024	11:27:16 AM	1,814.5000	82	CEUX
Genmab A/S	21/06/2024	11:27:16 AM	1,814.5000	82	CEUX
Genmab A/S	21/06/2024	11:27:16 AM	1,814.5000	4	CEUX
Genmab A/S	21/06/2024	11:27:16 AM	1,814.5000	86	CEUX
Genmab A/S	21/06/2024	11:27:16 AM	1,814.5000	86	CEUX
Genmab A/S	21/06/2024	11:27:16 AM	1,814.5000	4	CEUX
Genmab A/S	21/06/2024	11:27:16 AM	1,814.5000	28	CEUX
Genmab A/S	21/06/2024	11:27:16 AM	1,814.5000	49	CEUX
Genmab A/S	21/06/2024	11:27:16 AM	1,814.5000	5	CEUX
Genmab A/S	21/06/2024	11:29:35 AM	1,817.5000	30	XCSE
Genmab A/S	21/06/2024	11:29:35 AM	1,817.5000	9	XCSE
Genmab A/S	21/06/2024	11:29:44 AM	1,817.5000	30	XCSE
Genmab A/S	21/06/2024	11:29:44 AM	1,817.5000	7	XCSE

140

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	2	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	6	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	1	AQEU
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	5	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	8	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	1	AQEU
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	9	AQEU
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	1	AQEU
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	2	AQEU
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	8	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	1	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	8	CEUX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:00 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE

141

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	1	AQEU
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	2	TQEX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	3	TQEX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	1	AQEU
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	3	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	14	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,818.5000	53	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,818.5000	15	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,818.5000	38	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,818.5000	5	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,818.5000	49	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	10	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	13	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	23	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,819.0000	10	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,818.0000	20	CEUX
Genmab A/S	21/06/2024	11:30:01 AM	1,818.0000	2	TQEX
Genmab A/S	21/06/2024	11:30:01 AM	1,818.0000	3	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,818.0000	15	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,818.0000	3	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,818.0000	15	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,818.0000	18	XCSE
Genmab A/S	21/06/2024	11:30:01 AM	1,818.0000	2	CEUX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	18	CEUX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	4	CEUX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	4	CEUX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	3	TQEX

142

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	3	TQEX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	2	TQEX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	1	TQEX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	12	CEUX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	48	TQEX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	5	TQEX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	16	TQEX
Genmab A/S	21/06/2024	11:30:02 AM	1,818.0000	11	TQEX
Genmab A/S	21/06/2024	11:34:34 AM	1,813.5000	105	XCSE
Genmab A/S	21/06/2024	11:34:34 AM	1,813.5000	25	CEUX
Genmab A/S	21/06/2024	11:34:34 AM	1,813.5000	50	CEUX
Genmab A/S	21/06/2024	11:34:34 AM	1,813.5000	19	CEUX
Genmab A/S	21/06/2024	11:34:34 AM	1,813.5000	14	AQEU
Genmab A/S	21/06/2024	11:34:34 AM	1,813.5000	14	TQEX
Genmab A/S	21/06/2024	11:34:35 AM	1,813.0000	19	CEUX
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	8	AQEU
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	53	CEUX
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	8	TQEX
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	8	TQEX
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	26	XCSE
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	32	XCSE
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	36	XCSE
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	33	CEUX
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	8	AQEU
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	8	AQEU
Genmab A/S	21/06/2024	11:36:13 AM	1,812.5000	1	AQEU
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	22	CEUX
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	23	XCSE
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	23	XCSE
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	22	CEUX
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	22	CEUX
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	3	AQEU
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	5	TQEX
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	23	XCSE
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	21	CEUX
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	3	AQEU
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	5	TQEX
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	5	TQEX
Genmab A/S	21/06/2024	11:39:42 AM	1,813.5000	36	CEUX
Genmab A/S	21/06/2024	11:39:42 AM	1,813.0000	18	XCSE
Genmab A/S	21/06/2024	11:43:34 AM	1,814.0000	10	CEUX
Genmab A/S	21/06/2024	11:43:34 AM	1,814.0000	10	CEUX
Genmab A/S	21/06/2024	11:43:34 AM	1,814.0000	17	CEUX
Genmab A/S	21/06/2024	11:43:34 AM	1,814.0000	2	AQEU
Genmab A/S	21/06/2024	11:43:54 AM	1,814.0000	8	AQEU
Genmab A/S	21/06/2024	11:43:54 AM	1,814.0000	12	XCSE
Genmab A/S	21/06/2024	11:43:54 AM	1,814.0000	15	XCSE
Genmab A/S	21/06/2024	11:44:16 AM	1,814.0000	17	XCSE

143

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	11:44:17 AM	1,814.0000	33	CEUX
Genmab A/S	21/06/2024	11:44:17 AM	1,814.0000	5	TQEX
Genmab A/S	21/06/2024	11:44:17 AM	1,814.0000	1	XCSE
Genmab A/S	21/06/2024	11:44:17 AM	1,814.0000	19	XCSE
Genmab A/S	21/06/2024	11:44:17 AM	1,814.0000	37	XCSE
Genmab A/S	21/06/2024	11:44:17 AM	1,814.0000	61	XCSE
Genmab A/S	21/06/2024	11:44:17 AM	1,814.0000	33	CEUX
Genmab A/S	21/06/2024	11:44:17 AM	1,814.0000	5	AQEU
Genmab A/S	21/06/2024	11:44:17 AM	1,814.0000	5	TQEX
Genmab A/S	21/06/2024	11:44:18 AM	1,814.0000	80	XCSE
Genmab A/S	21/06/2024	11:44:18 AM	1,814.0000	19	XCSE
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	36	CEUX
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	8	CEUX
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	42	CEUX
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	7	AQEU
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	7	AQEU
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	6	AQEU
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	6	TQEX
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	6	TQEX
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	3	TQEX
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	24	XCSE
Genmab A/S	21/06/2024	11:45:47 AM	1,812.5000	24	XCSE
Genmab A/S	21/06/2024	11:46:59 AM	1,814.5000	38	CEUX
Genmab A/S	21/06/2024	11:46:59 AM	1,814.5000	123	XCSE
Genmab A/S	21/06/2024	11:46:59 AM	1,814.5000	17	TQEX
Genmab A/S	21/06/2024	11:46:59 AM	1,814.5000	50	CEUX
Genmab A/S	21/06/2024	11:46:59 AM	1,814.5000	22	CEUX
Genmab A/S	21/06/2024	11:46:59 AM	1,814.5000	16	AQEU
Genmab A/S	21/06/2024	11:46:59 AM	1,814.0000	21	XCSE
Genmab A/S	21/06/2024	11:49:48 AM	1,813.5000	57	XCSE
Genmab A/S	21/06/2024	11:49:48 AM	1,813.5000	52	CEUX
Genmab A/S	21/06/2024	11:49:48 AM	1,813.5000	8	TQEX
Genmab A/S	21/06/2024	11:50:03 AM	1,813.0000	101	CEUX
Genmab A/S	21/06/2024	11:50:03 AM	1,813.0000	5	CEUX
Genmab A/S	21/06/2024	11:50:03 AM	1,813.0000	15	AQEU
Genmab A/S	21/06/2024	11:50:03 AM	1,813.0000	17	TQEX
Genmab A/S	21/06/2024	11:50:03 AM	1,813.0000	100	XCSE
Genmab A/S	21/06/2024	11:50:03 AM	1,813.0000	19	XCSE
Genmab A/S	21/06/2024	11:51:11 AM	1,812.0000	2	XCSE
Genmab A/S	21/06/2024	11:51:52 AM	1,812.5000	2	XCSE
Genmab A/S	21/06/2024	11:51:52 AM	1,812.5000	18	XCSE
Genmab A/S	21/06/2024	11:51:52 AM	1,812.5000	16	XCSE
Genmab A/S	21/06/2024	11:51:52 AM	1,812.5000	4	XCSE
Genmab A/S	21/06/2024	11:51:52 AM	1,812.5000	19	CEUX
Genmab A/S	21/06/2024	11:51:52 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	11:52:45 AM	1,813.0000	8	XCSE
Genmab A/S	21/06/2024	11:52:45 AM	1,813.0000	36	XCSE
Genmab A/S	21/06/2024	11:52:45 AM	1,813.0000	40	CEUX
Genmab A/S	21/06/2024	11:52:45 AM	1,813.0000	6	TQEX

144

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	11:53:00 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	11:53:00 AM	1,812.5000	17	CEUX
Genmab A/S	21/06/2024	11:53:00 AM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	11:53:07 AM	1,812.5000	10	XCSE
Genmab A/S	21/06/2024	11:53:07 AM	1,812.5000	18	XCSE
Genmab A/S	21/06/2024	11:53:45 AM	1,812.5000	58	CEUX
Genmab A/S	21/06/2024	11:53:45 AM	1,812.5000	9	AQEU
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	8	XCSE
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	39	XCSE
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	9	XCSE
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	14	XCSE
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	50	CEUX
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	50	CEUX
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	8	TQEX
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	8	TQEX
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	14	TQEX
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	16	CEUX
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	9	CEUX
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	8	TQEX
Genmab A/S	21/06/2024	11:54:00 AM	1,813.0000	1	XCSE
Genmab A/S	21/06/2024	11:54:02 AM	1,813.0000	74	XCSE
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	41	CEUX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	41	CEUX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	9	CEUX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	16	CEUX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	21	CEUX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	1	AQEU
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	5	AQEU
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	1	AQEU
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	5	AQEU
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	1	AQEU
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	4	AQEU
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	7	TQEX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	7	TQEX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	7	TQEX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	7	TQEX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	5	TQEX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	4	AQEU
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	46	XCSE
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	6	XCSE
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	4	CEUX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	20	CEUX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	26	CEUX
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	2	AQEU
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	4	AQEU
Genmab A/S	21/06/2024	11:55:22 AM	1,811.5000	3	TQEX
Genmab A/S	21/06/2024	11:57:05 AM	1,812.5000	1	AQEU

145

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	11:57:23 AM	1,812.5000	4	TQEX
Genmab A/S	21/06/2024	11:57:30 AM	1,812.5000	14	XCSE
Genmab A/S	21/06/2024	11:57:30 AM	1,812.5000	9	XCSE
Genmab A/S	21/06/2024	11:57:30 AM	1,812.5000	17	XCSE
Genmab A/S	21/06/2024	11:57:30 AM	1,812.5000	21	CEUX
Genmab A/S	21/06/2024	11:57:30 AM	1,812.5000	1	XCSE
Genmab A/S	21/06/2024	11:57:45 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	11:58:00 AM	1,812.5000	8	XCSE
Genmab A/S	21/06/2024	11:58:00 AM	1,812.5000	15	CEUX
Genmab A/S	21/06/2024	11:58:00 AM	1,812.5000	6	CEUX
Genmab A/S	21/06/2024	11:58:00 AM	1,812.5000	5	CEUX
Genmab A/S	21/06/2024	11:58:00 AM	1,812.5000	7	CEUX
Genmab A/S	21/06/2024	11:58:00 AM	1,812.5000	4	CEUX
Genmab A/S	21/06/2024	11:58:00 AM	1,812.5000	5	CEUX
Genmab A/S	21/06/2024	11:58:00 AM	1,812.0000	2	CEUX
Genmab A/S	21/06/2024	11:58:00 AM	1,812.0000	2	AQEU
Genmab A/S	21/06/2024	11:58:15 AM	1,812.0000	8	XCSE
Genmab A/S	21/06/2024	11:58:15 AM	1,812.0000	1	XCSE
Genmab A/S	21/06/2024	11:58:29 AM	1,812.0000	8	XCSE
Genmab A/S	21/06/2024	11:58:30 AM	1,812.0000	1	XCSE
Genmab A/S	21/06/2024	11:58:44 AM	1,812.0000	8	XCSE
Genmab A/S	21/06/2024	11:58:51 AM	1,812.0000	2	XCSE
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	16	CEUX
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	2	AQEU
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	7	AQEU
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	44	CEUX
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	12	CEUX
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	5	TQEX
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	7	TQEX
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	8	XCSE
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	50	XCSE
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	2	XCSE
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	2	CEUX
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	4	CEUX
Genmab A/S	21/06/2024	11:58:58 AM	1,812.0000	11	CEUX
Genmab A/S	21/06/2024	11:58:59 AM	1,812.0000	8	XCSE
Genmab A/S	21/06/2024	11:59:00 AM	1,812.5000	12	XCSE
Genmab A/S	21/06/2024	11:59:00 AM	1,812.5000	13	XCSE
Genmab A/S	21/06/2024	11:59:07 AM	1,812.5000	9	XCSE
Genmab A/S	21/06/2024	11:59:07 AM	1,812.5000	11	XCSE
Genmab A/S	21/06/2024	11:59:11 AM	1,812.5000	10	XCSE
Genmab A/S	21/06/2024	11:59:11 AM	1,812.5000	11	XCSE
Genmab A/S	21/06/2024	11:59:11 AM	1,812.5000	7	XCSE
Genmab A/S	21/06/2024	11:59:13 AM	1,812.0000	15	CEUX
Genmab A/S	21/06/2024	11:59:13 AM	1,812.0000	20	TQEX
Genmab A/S	21/06/2024	11:59:13 AM	1,812.0000	7	AQEU
Genmab A/S	21/06/2024	11:59:13 AM	1,812.0000	7	TQEX
Genmab A/S	21/06/2024	11:59:14 AM	1,812.0000	8	XCSE
Genmab A/S	21/06/2024	11:59:21 AM	1,812.0000	21	CEUX

146

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	11:59:21 AM	1,812.0000	14	CEUX
Genmab A/S	21/06/2024	11:59:21 AM	1,812.0000	1	AQEU
Genmab A/S	21/06/2024	11:59:29 AM	1,811.5000	8	XCSE
Genmab A/S	21/06/2024	11:59:30 AM	1,811.5000	1	XCSE
Genmab A/S	21/06/2024	11:59:30 AM	1,811.5000	5	XCSE
Genmab A/S	21/06/2024	11:59:39 AM	1,812.0000	8	CEUX
Genmab A/S	21/06/2024	11:59:39 AM	1,812.0000	14	CEUX
Genmab A/S	21/06/2024	11:59:39 AM	1,812.0000	2	XCSE
Genmab A/S	21/06/2024	11:59:44 AM	1,812.0000	8	XCSE
Genmab A/S	21/06/2024	11:59:45 AM	1,812.0000	30	CEUX
Genmab A/S	21/06/2024	11:59:45 AM	1,812.0000	5	TQEX
Genmab A/S	21/06/2024	11:59:45 AM	1,812.0000	23	XCSE
Genmab A/S	21/06/2024	12:00:05 PM	1,812.5000	5	CEUX
Genmab A/S	21/06/2024	12:00:05 PM	1,812.5000	23	CEUX
Genmab A/S	21/06/2024	12:00:24 PM	1,813.0000	19	CEUX
Genmab A/S	21/06/2024	12:00:53 PM	1,813.0000	19	CEUX
Genmab A/S	21/06/2024	12:00:53 PM	1,813.0000	17	CEUX
Genmab A/S	21/06/2024	12:00:58 PM	1,813.0000	19	CEUX
Genmab A/S	21/06/2024	12:01:02 PM	1,813.0000	8	CEUX
Genmab A/S	21/06/2024	12:01:02 PM	1,813.0000	8	CEUX
Genmab A/S	21/06/2024	12:01:02 PM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	12:01:02 PM	1,813.0000	9	AQEU
Genmab A/S	21/06/2024	12:01:02 PM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	12:01:02 PM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	12:01:02 PM	1,813.0000	3	TQEX
Genmab A/S	21/06/2024	12:01:02 PM	1,813.0000	7	XCSE
Genmab A/S	21/06/2024	12:01:02 PM	1,813.0000	1	XCSE
Genmab A/S	21/06/2024	12:01:02 PM	1,813.0000	22	XCSE
Genmab A/S	21/06/2024	12:01:05 PM	1,813.0000	19	XCSE
Genmab A/S	21/06/2024	12:01:05 PM	1,813.0000	3	XCSE
Genmab A/S	21/06/2024	12:01:05 PM	1,813.0000	22	XCSE
Genmab A/S	21/06/2024	12:01:05 PM	1,813.0000	22	XCSE
Genmab A/S	21/06/2024	12:01:10 PM	1,813.0000	38	XCSE
Genmab A/S	21/06/2024	12:01:22 PM	1,813.0000	36	TQEX
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	9	CEUX
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	20	CEUX
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	6	CEUX
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	16	CEUX
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	5	CEUX
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	3	CEUX
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	56	CEUX
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	5	CEUX
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	8	AQEU
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	1	AQEU
Genmab A/S	21/06/2024	12:01:28 PM	1,812.5000	9	TQEX
Genmab A/S	21/06/2024	12:01:28 PM	1,813.0000	18	CEUX
Genmab A/S	21/06/2024	12:01:28 PM	1,813.0000	8	CEUX
Genmab A/S	21/06/2024	12:01:28 PM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	12:01:28 PM	1,813.0000	5	AQEU

147

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	12:01:28 PM	1,813.0000	8	TQEX
Genmab A/S	21/06/2024	12:01:28 PM	1,813.0000	10	XCSE
Genmab A/S	21/06/2024	12:01:28 PM	1,813.0000	18	XCSE
Genmab A/S	21/06/2024	12:02:03 PM	1,812.5000	56	CEUX
Genmab A/S	21/06/2024	12:02:03 PM	1,812.5000	9	TQEX
Genmab A/S	21/06/2024	12:02:03 PM	1,812.5000	51	XCSE
Genmab A/S	21/06/2024	12:03:05 PM	1,813.0000	19	AQEU
Genmab A/S	21/06/2024	12:03:20 PM	1,813.0000	19	AQEU
Genmab A/S	21/06/2024	12:03:23 PM	1,813.0000	19	AQEU
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	19	CEUX
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	11	CEUX
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	5	TQEX
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	19	XCSE
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	8	XCSE
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	11	XCSE
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	6	XCSE
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	11	XCSE
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	8	XCSE
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	8	CEUX
Genmab A/S	21/06/2024	12:05:49 PM	1,814.0000	9	CEUX
Genmab A/S	21/06/2024	12:05:55 PM	1,814.5000	9	XCSE
Genmab A/S	21/06/2024	12:05:55 PM	1,814.5000	25	XCSE
Genmab A/S	21/06/2024	12:05:56 PM	1,814.5000	7	CEUX
Genmab A/S	21/06/2024	12:05:56 PM	1,814.5000	18	CEUX
Genmab A/S	21/06/2024	12:05:56 PM	1,814.5000	15	CEUX
Genmab A/S	21/06/2024	12:05:56 PM	1,814.5000	9	CEUX
Genmab A/S	21/06/2024	12:05:56 PM	1,814.5000	12	XCSE
Genmab A/S	21/06/2024	12:05:56 PM	1,814.5000	12	XCSE
Genmab A/S	21/06/2024	12:05:56 PM	1,814.5000	9	CEUX
Genmab A/S	21/06/2024	12:05:57 PM	1,814.5000	28	CEUX
Genmab A/S	21/06/2024	12:07:00 PM	1,814.5000	21	CEUX
Genmab A/S	21/06/2024	12:07:33 PM	1,814.5000	17	CEUX
Genmab A/S	21/06/2024	12:07:33 PM	1,814.5000	2	AQEU
Genmab A/S	21/06/2024	12:07:33 PM	1,814.5000	2	AQEU
Genmab A/S	21/06/2024	12:07:33 PM	1,814.5000	5	TQEX
Genmab A/S	21/06/2024	12:07:33 PM	1,814.5000	18	XCSE
Genmab A/S	21/06/2024	12:08:02 PM	1,814.5000	19	XCSE
Genmab A/S	21/06/2024	12:08:02 PM	1,814.5000	25	XCSE
Genmab A/S	21/06/2024	12:08:02 PM	1,814.5000	25	CEUX
Genmab A/S	21/06/2024	12:08:02 PM	1,814.5000	20	TQEX
Genmab A/S	21/06/2024	12:08:02 PM	1,814.5000	3	TQEX
Genmab A/S	21/06/2024	12:08:06 PM	1,814.5000	19	XCSE
Genmab A/S	21/06/2024	12:09:02 PM	1,814.5000	13	CEUX
Genmab A/S	21/06/2024	12:09:02 PM	1,814.5000	6	AQEU
Genmab A/S	21/06/2024	12:09:02 PM	1,814.5000	14	CEUX
Genmab A/S	21/06/2024	12:09:03 PM	1,814.5000	18	CEUX
Genmab A/S	21/06/2024	12:09:03 PM	1,814.5000	17	CEUX
Genmab A/S	21/06/2024	12:09:37 PM	1,814.5000	19	XCSE
Genmab A/S	21/06/2024	12:09:37 PM	1,814.5000	29	XCSE

148

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	12:09:42 PM	1,814.5000	39	XCSE
Genmab A/S	21/06/2024	12:09:42 PM	1,814.5000	9	XCSE
Genmab A/S	21/06/2024	12:09:42 PM	1,814.5000	9	XCSE
Genmab A/S	21/06/2024	12:09:42 PM	1,814.5000	39	XCSE
Genmab A/S	21/06/2024	12:09:42 PM	1,814.5000	8	XCSE
Genmab A/S	21/06/2024	12:09:43 PM	1,814.0000	4	CEUX
Genmab A/S	21/06/2024	12:09:43 PM	1,814.0000	43	CEUX
Genmab A/S	21/06/2024	12:09:43 PM	1,814.0000	7	AQEU
Genmab A/S	21/06/2024	12:09:43 PM	1,814.0000	68	TQEX
Genmab A/S	21/06/2024	12:09:43 PM	1,814.0000	7	TQEX
Genmab A/S	21/06/2024	12:09:44 PM	1,814.0000	34	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,814.0000	18	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.5000	46	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.5000	15	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.5000	31	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.5000	19	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	20	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	16	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	4	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	12	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	2	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	18	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	20	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	20	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	12	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	18	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	20	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	46	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	2	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	3	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	20	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	36	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	6	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	9	AQEU
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	12:09:44 PM	1,813.0000	3	TQEX
Genmab A/S	21/06/2024	12:09:44 PM	1,812.0000	8	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,812.0000	15	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,812.0000	12	CEUX
Genmab A/S	21/06/2024	12:09:44 PM	1,812.0000	25	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,812.0000	27	XCSE

149

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	12:09:44 PM	1,812.0000	15	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,812.0000	25	XCSE
Genmab A/S	21/06/2024	12:09:44 PM	1,812.0000	10	XCSE
Genmab A/S	21/06/2024	12:18:05 PM	1,814.5000	14	CEUX
Genmab A/S	21/06/2024	12:18:05 PM	1,814.5000	20	CEUX
Genmab A/S	21/06/2024	12:18:36 PM	1,815.0000	23	CEUX
Genmab A/S	21/06/2024	12:18:36 PM	1,815.0000	34	CEUX
Genmab A/S	21/06/2024	12:18:36 PM	1,815.0000	9	TQEX
Genmab A/S	21/06/2024	12:18:36 PM	1,815.0000	40	XCSE
Genmab A/S	21/06/2024	12:18:36 PM	1,815.0000	63	XCSE
Genmab A/S	21/06/2024	12:18:40 PM	1,815.0000	21	CEUX
Genmab A/S	21/06/2024	12:20:10 PM	1,815.0000	36	XCSE
Genmab A/S	21/06/2024	12:20:26 PM	1,814.5000	143	XCSE
Genmab A/S	21/06/2024	12:20:26 PM	1,814.5000	89	XCSE
Genmab A/S	21/06/2024	12:20:26 PM	1,814.5000	129	CEUX
Genmab A/S	21/06/2024	12:20:26 PM	1,814.5000	44	CEUX
Genmab A/S	21/06/2024	12:20:26 PM	1,814.5000	7	AQEU
Genmab A/S	21/06/2024	12:20:26 PM	1,814.5000	20	TQEX
Genmab A/S	21/06/2024	12:20:26 PM	1,814.5000	12	TQEX
Genmab A/S	21/06/2024	12:20:26 PM	1,814.5000	18	CEUX
Genmab A/S	21/06/2024	12:20:26 PM	1,814.0000	22	XCSE
Genmab A/S	21/06/2024	12:20:26 PM	1,814.0000	25	XCSE
Genmab A/S	21/06/2024	12:20:26 PM	1,814.5000	42	AQEU
Genmab A/S	21/06/2024	12:20:26 PM	1,814.0000	22	XCSE
Genmab A/S	21/06/2024	12:20:26 PM	1,814.0000	25	XCSE
Genmab A/S	21/06/2024	12:20:26 PM	1,814.0000	21	CEUX
Genmab A/S	21/06/2024	12:20:26 PM	1,814.0000	9	CEUX
Genmab A/S	21/06/2024	12:20:37 PM	1,813.5000	46	XCSE
Genmab A/S	21/06/2024	12:20:37 PM	1,813.5000	43	XCSE
Genmab A/S	21/06/2024	12:27:39 PM	1,814.5000	12	CEUX
Genmab A/S	21/06/2024	12:27:50 PM	1,815.0000	36	XCSE
Genmab A/S	21/06/2024	12:27:50 PM	1,814.5000	12	CEUX
Genmab A/S	21/06/2024	12:27:50 PM	1,814.5000	5	CEUX
Genmab A/S	21/06/2024	12:27:50 PM	1,814.5000	11	XCSE
Genmab A/S	21/06/2024	12:27:50 PM	1,814.5000	51	XCSE
Genmab A/S	21/06/2024	12:27:50 PM	1,814.5000	26	CEUX
Genmab A/S	21/06/2024	12:27:50 PM	1,814.5000	9	TQEX
Genmab A/S	21/06/2024	12:27:50 PM	1,814.5000	26	CEUX
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	56	XCSE
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	6	XCSE
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	6	XCSE
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	1	XCSE
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	29	CEUX
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	9	CEUX
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	8	AQEU
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	8	AQEU
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	9	TQEX
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	9	TQEX
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	36	CEUX

150

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	12:27:53 PM	1,814.0000	148	XCSE
Genmab A/S	21/06/2024	12:27:53 PM	1,814.0000	36	XCSE
Genmab A/S	21/06/2024	12:27:53 PM	1,814.5000	11	XCSE
Genmab A/S	21/06/2024	12:27:53 PM	1,813.5000	21	XCSE
Genmab A/S	21/06/2024	12:27:53 PM	1,813.5000	20	CEUX
Genmab A/S	21/06/2024	12:27:53 PM	1,813.5000	2	AQEU
Genmab A/S	21/06/2024	12:27:53 PM	1,813.5000	2	AQEU
Genmab A/S	21/06/2024	12:27:53 PM	1,813.5000	5	TQEX
Genmab A/S	21/06/2024	12:27:53 PM	1,813.5000	21	XCSE
Genmab A/S	21/06/2024	12:33:47 PM	1,814.5000	13	CEUX
Genmab A/S	21/06/2024	12:33:47 PM	1,814.5000	25	XCSE
Genmab A/S	21/06/2024	12:33:47 PM	1,814.5000	2	XCSE
Genmab A/S	21/06/2024	12:33:47 PM	1,814.5000	17	XCSE
Genmab A/S	21/06/2024	12:33:47 PM	1,814.5000	11	CEUX
Genmab A/S	21/06/2024	12:33:47 PM	1,814.5000	2	XCSE
Genmab A/S	21/06/2024	12:37:34 PM	1,816.0000	12	CEUX
Genmab A/S	21/06/2024	12:37:34 PM	1,816.0000	25	CEUX
Genmab A/S	21/06/2024	12:37:34 PM	1,816.0000	13	XCSE
Genmab A/S	21/06/2024	12:37:34 PM	1,816.0000	26	XCSE
Genmab A/S	21/06/2024	12:37:34 PM	1,816.0000	13	XCSE
Genmab A/S	21/06/2024	12:37:34 PM	1,816.0000	22	XCSE
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	12	CEUX
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	25	CEUX
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	4	XCSE
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	6	XCSE
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	2	CEUX
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	5	CEUX
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	7	XCSE
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	14	XCSE
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	12	XCSE
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	13	XCSE
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	20	CEUX
Genmab A/S	21/06/2024	12:37:35 PM	1,816.0000	12	CEUX
Genmab A/S	21/06/2024	12:37:38 PM	1,815.5000	3	AQEU
Genmab A/S	21/06/2024	12:37:48 PM	1,816.0000	13	CEUX
Genmab A/S	21/06/2024	12:37:48 PM	1,816.0000	10	TQEX
Genmab A/S	21/06/2024	12:37:48 PM	1,816.0000	10	XCSE
Genmab A/S	21/06/2024	12:37:48 PM	1,816.0000	8	XCSE
Genmab A/S	21/06/2024	12:38:09 PM	1,816.0000	36	CEUX
Genmab A/S	21/06/2024	12:39:16 PM	1,816.0000	50	XCSE
Genmab A/S	21/06/2024	12:39:17 PM	1,816.0000	8	XCSE
Genmab A/S	21/06/2024	12:39:17 PM	1,816.0000	14	XCSE
Genmab A/S	21/06/2024	12:39:17 PM	1,816.0000	20	XCSE
Genmab A/S	21/06/2024	12:39:17 PM	1,816.0000	8	XCSE
Genmab A/S	21/06/2024	12:39:17 PM	1,816.0000	17	XCSE
Genmab A/S	21/06/2024	12:41:26 PM	1,816.0000	40	XCSE
Genmab A/S	21/06/2024	12:41:26 PM	1,816.0000	54	XCSE
Genmab A/S	21/06/2024	12:42:25 PM	1,816.0000	13	CEUX

151

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	12:42:25 PM	1,816.0000	6	AQEU
Genmab A/S	21/06/2024	12:43:08 PM	1,816.0000	2	CEUX
Genmab A/S	21/06/2024	12:43:08 PM	1,816.0000	6	AQEU
Genmab A/S	21/06/2024	12:43:08 PM	1,816.0000	19	CEUX
Genmab A/S	21/06/2024	12:44:40 PM	1,817.0000	23	CEUX
Genmab A/S	21/06/2024	12:44:40 PM	1,817.0000	19	CEUX
Genmab A/S	21/06/2024	12:44:40 PM	1,817.0000	4	CEUX
Genmab A/S	21/06/2024	12:44:40 PM	1,817.0000	23	CEUX
Genmab A/S	21/06/2024	12:44:40 PM	1,817.0000	24	XCSE
Genmab A/S	21/06/2024	12:44:53 PM	1,817.5000	2	CEUX
Genmab A/S	21/06/2024	12:44:53 PM	1,817.5000	13	CEUX
Genmab A/S	21/06/2024	12:45:17 PM	1,817.0000	7	CEUX
Genmab A/S	21/06/2024	12:46:11 PM	1,817.0000	13	CEUX
Genmab A/S	21/06/2024	12:46:11 PM	1,817.0000	6	CEUX
Genmab A/S	21/06/2024	12:46:55 PM	1,817.5000	3	XCSE
Genmab A/S	21/06/2024	12:47:58 PM	1,817.5000	14	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	6	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	50	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	26	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	3	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	20	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	15	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	12	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	6	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	14	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	3	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	12	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	8	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	20	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	7	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	10	CEUX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU

152

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	14	TQEX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	5	TQEX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	5	TQEX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	14	TQEX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	5	TQEX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	14	TQEX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	3	TQEX
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	12	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	50	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	33	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	20	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	48	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	5	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	20	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	30	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,817.0000	3	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,816.5000	24	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,816.5000	24	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,816.5000	24	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,816.5000	24	XCSE
Genmab A/S	21/06/2024	12:48:42 PM	1,816.5000	21	XCSE
Genmab A/S	21/06/2024	12:49:16 PM	1,815.0000	36	CEUX
Genmab A/S	21/06/2024	12:49:16 PM	1,815.0000	9	CEUX
Genmab A/S	21/06/2024	12:49:16 PM	1,815.0000	2	CEUX
Genmab A/S	21/06/2024	12:49:16 PM	1,815.0000	15	CEUX
Genmab A/S	21/06/2024	12:49:16 PM	1,815.0000	35	CEUX
Genmab A/S	21/06/2024	12:49:16 PM	1,815.0000	16	CEUX
Genmab A/S	21/06/2024	12:49:16 PM	1,815.0000	1	TQEX
Genmab A/S	21/06/2024	12:50:53 PM	1,816.0000	17	CEUX
Genmab A/S	21/06/2024	12:50:53 PM	1,816.0000	5	CEUX
Genmab A/S	21/06/2024	12:51:03 PM	1,816.0000	19	CEUX
Genmab A/S	21/06/2024	12:51:53 PM	1,816.0000	10	CEUX
Genmab A/S	21/06/2024	12:51:53 PM	1,816.0000	10	XCSE
Genmab A/S	21/06/2024	12:53:10 PM	1,816.5000	19	CEUX
Genmab A/S	21/06/2024	12:53:10 PM	1,816.5000	19	CEUX
Genmab A/S	21/06/2024	12:53:10 PM	1,816.5000	5	TQEX
Genmab A/S	21/06/2024	12:53:10 PM	1,816.5000	6	TQEX
Genmab A/S	21/06/2024	12:53:32 PM	1,817.0000	42	CEUX
Genmab A/S	21/06/2024	12:53:32 PM	1,817.0000	42	CEUX
Genmab A/S	21/06/2024	12:53:32 PM	1,817.0000	26	CEUX
Genmab A/S	21/06/2024	12:53:38 PM	1,816.5000	2	AQEU
Genmab A/S	21/06/2024	12:53:38 PM	1,816.5000	14	AQEU
Genmab A/S	21/06/2024	12:53:38 PM	1,816.5000	9	TQEX
Genmab A/S	21/06/2024	12:53:38 PM	1,816.5000	5	TQEX
Genmab A/S	21/06/2024	12:53:38 PM	1,817.0000	42	CEUX

153

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	12:53:38 PM	1,817.0000	42	CEUX
Genmab A/S	21/06/2024	12:53:38 PM	1,817.0000	42	CEUX
Genmab A/S	21/06/2024	12:53:38 PM	1,817.0000	42	CEUX
Genmab A/S	21/06/2024	12:53:38 PM	1,817.0000	8	CEUX
Genmab A/S	21/06/2024	12:53:38 PM	1,817.0000	40	CEUX
Genmab A/S	21/06/2024	12:53:38 PM	1,816.5000	19	XCSE
Genmab A/S	21/06/2024	12:53:38 PM	1,816.5000	83	XCSE
Genmab A/S	21/06/2024	12:53:38 PM	1,817.0000	2	CEUX
Genmab A/S	21/06/2024	12:53:38 PM	1,817.0000	12	CEUX
Genmab A/S	21/06/2024	12:55:27 PM	1,817.5000	13	CEUX
Genmab A/S	21/06/2024	12:56:31 PM	1,817.5000	16	XCSE
Genmab A/S	21/06/2024	12:56:31 PM	1,817.5000	72	XCSE
Genmab A/S	21/06/2024	12:57:04 PM	1,818.0000	48	XCSE
Genmab A/S	21/06/2024	12:57:04 PM	1,818.0000	19	XCSE
Genmab A/S	21/06/2024	12:57:04 PM	1,818.0000	29	XCSE
Genmab A/S	21/06/2024	12:57:04 PM	1,818.0000	18	XCSE
Genmab A/S	21/06/2024	12:57:18 PM	1,818.0000	34	CEUX
Genmab A/S	21/06/2024	1:00:33 PM	1,818.5000	13	XCSE
Genmab A/S	21/06/2024	1:01:35 PM	1,818.5000	3	XCSE
Genmab A/S	21/06/2024	1:01:37 PM	1,818.5000	1	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	16	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	22	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	22	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	22	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	17	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	5	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	7	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	5	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	17	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	5	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	17	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	5	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	5	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	5	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	17	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	5	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	5	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	10	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	7	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	8	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	7	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	7	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	8	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	8	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	9	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	18	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	18	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE

154

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	24	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	1	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.5000	8	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	17	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	17	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	16	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	10	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	7	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	2	AQEU
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	2	AQEU
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	2	AQEU
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	2	AQEU
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	17	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	10	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	2	AQEU
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	10	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	1	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	17	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	16	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	11	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	18	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	18	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	16	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	7	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	2	AQEU
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	4	TQEX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	17	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	2	AQEU
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	1	TQEX

155

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	10	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	7	CEUX
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	15	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	42	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,819.0000	17	XCSE
Genmab A/S	21/06/2024	1:03:08 PM	1,818.5000	3	AQEU
Genmab A/S	21/06/2024	1:03:09 PM	1,818.5000	6	XCSE
Genmab A/S	21/06/2024	1:08:18 PM	1,819.5000	15	XCSE
Genmab A/S	21/06/2024	1:08:18 PM	1,819.5000	20	XCSE
Genmab A/S	21/06/2024	1:08:44 PM	1,819.5000	12	XCSE
Genmab A/S	21/06/2024	1:08:44 PM	1,819.5000	21	XCSE
Genmab A/S	21/06/2024	1:09:15 PM	1,819.5000	13	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	43	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	44	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	43	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	10	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	9	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	10	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	7	TQEX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	10	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	48	XCSE
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	50	XCSE
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	9	XCSE
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	39	XCSE
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	19	XCSE
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	14	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	36	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	9	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	19	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	15	CEUX
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	6	AQEU
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	21	XCSE
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	8	XCSE
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	7	XCSE
Genmab A/S	21/06/2024	1:10:45 PM	1,819.5000	16	CEUX
Genmab A/S	21/06/2024	1:13:24 PM	1,819.0000	26	CEUX
Genmab A/S	21/06/2024	1:13:24 PM	1,819.0000	56	CEUX
Genmab A/S	21/06/2024	1:13:24 PM	1,819.0000	13	TQEX
Genmab A/S	21/06/2024	1:13:24 PM	1,819.0000	91	XCSE
Genmab A/S	21/06/2024	1:13:24 PM	1,819.0000	12	AQEU
Genmab A/S	21/06/2024	1:13:24 PM	1,818.5000	88	XCSE
Genmab A/S	21/06/2024	1:13:24 PM	1,818.5000	50	XCSE
Genmab A/S	21/06/2024	1:19:11 PM	1,821.5000	17	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,822.0000	1	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,822.0000	16	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,822.0000	4	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,822.0000	9	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	31	XCSE

156

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	31	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	12	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	2	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	17	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	2	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	13	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	13	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	3	AQEU
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	2	AQEU
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	3	AQEU
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	5	TQEX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	5	TQEX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	10	TQEX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	30	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	13	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	17	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	9	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	5	TQEX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.5000	56	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	20	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	10	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	10	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	20	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	20	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	13	CEUX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	2	AQEU
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	4	AQEU
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	2	AQEU
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	2	AQEU
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	2	AQEU
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	2	AQEU
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	5	TQEX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	5	TQEX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	5	TQEX
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	20	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	4	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	2	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	18	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	15	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	49	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,821.0000	11	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,820.5000	6	XCSE
Genmab A/S	21/06/2024	1:19:41 PM	1,820.5000	3	XCSE
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	11	CEUX
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	72	CEUX
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	22	CEUX
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	22	CEUX
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	22	CEUX
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	4	CEUX

157

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	1	AQEU
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	14	XCSE
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	23	XCSE
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	16	XCSE
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	7	XCSE
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	9	XCSE
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	36	CEUX
Genmab A/S	21/06/2024	1:19:43 PM	1,820.5000	7	AQEU
Genmab A/S	21/06/2024	1:25:20 PM	1,820.0000	86	XCSE
Genmab A/S	21/06/2024	1:27:00 PM	1,820.0000	24	CEUX
Genmab A/S	21/06/2024	1:29:36 PM	1,821.0000	55	CEUX
Genmab A/S	21/06/2024	1:29:36 PM	1,821.0000	23	CEUX
Genmab A/S	21/06/2024	1:29:48 PM	1,821.0000	20	CEUX
Genmab A/S	21/06/2024	1:29:48 PM	1,821.0000	14	CEUX
Genmab A/S	21/06/2024	1:29:56 PM	1,820.5000	3	AQEU
Genmab A/S	21/06/2024	1:29:56 PM	1,820.5000	4	AQEU
Genmab A/S	21/06/2024	1:30:14 PM	1,821.0000	9	CEUX
Genmab A/S	21/06/2024	1:30:14 PM	1,821.0000	10	XCSE
Genmab A/S	21/06/2024	1:30:14 PM	1,821.0000	34	TQEX
Genmab A/S	21/06/2024	1:30:41 PM	1,820.5000	17	CEUX
Genmab A/S	21/06/2024	1:30:41 PM	1,820.5000	10	AQEU
Genmab A/S	21/06/2024	1:30:41 PM	1,820.5000	7	TQEX
Genmab A/S	21/06/2024	1:31:44 PM	1,821.0000	50	CEUX
Genmab A/S	21/06/2024	1:31:44 PM	1,821.0000	30	CEUX
Genmab A/S	21/06/2024	1:31:44 PM	1,821.0000	10	CEUX
Genmab A/S	21/06/2024	1:31:44 PM	1,821.0000	6	CEUX
Genmab A/S	21/06/2024	1:31:44 PM	1,821.0000	6	CEUX
Genmab A/S	21/06/2024	1:31:44 PM	1,821.0000	3	AQEU
Genmab A/S	21/06/2024	1:31:44 PM	1,821.0000	3	AQEU
Genmab A/S	21/06/2024	1:32:06 PM	1,821.5000	7	CEUX
Genmab A/S	21/06/2024	1:32:06 PM	1,821.5000	12	CEUX
Genmab A/S	21/06/2024	1:32:06 PM	1,821.5000	17	CEUX
Genmab A/S	21/06/2024	1:32:32 PM	1,821.5000	1	CEUX
Genmab A/S	21/06/2024	1:32:32 PM	1,821.5000	3	CEUX
Genmab A/S	21/06/2024	1:32:32 PM	1,821.5000	7	CEUX
Genmab A/S	21/06/2024	1:32:42 PM	1,821.5000	7	CEUX
Genmab A/S	21/06/2024	1:32:42 PM	1,821.5000	6	CEUX
Genmab A/S	21/06/2024	1:32:42 PM	1,821.5000	2	CEUX
Genmab A/S	21/06/2024	1:32:50 PM	1,821.5000	12	CEUX
Genmab A/S	21/06/2024	1:32:50 PM	1,821.5000	6	CEUX
Genmab A/S	21/06/2024	1:32:50 PM	1,821.5000	6	CEUX
Genmab A/S	21/06/2024	1:33:08 PM	1,821.5000	3	CEUX
Genmab A/S	21/06/2024	1:33:08 PM	1,821.5000	6	CEUX
Genmab A/S	21/06/2024	1:33:08 PM	1,821.5000	6	CEUX
Genmab A/S	21/06/2024	1:33:23 PM	1,821.5000	7	CEUX
Genmab A/S	21/06/2024	1:33:23 PM	1,821.5000	7	CEUX
Genmab A/S	21/06/2024	1:33:23 PM	1,821.5000	20	CEUX
Genmab A/S	21/06/2024	1:33:27 PM	1,820.5000	12	CEUX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	11	CEUX

158

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	50	CEUX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	12	CEUX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	18	CEUX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	18	CEUX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	13	CEUX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	12	AQEU
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	2	AQEU
Genmab A/S	21/06/2024	1:33:42 PM	1,821.0000	36	AQEU
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	25	CEUX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	2	AQEU
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	5	TQEX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	16	TQEX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	13	TQEX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	5	TQEX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	6	XCSE
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	50	XCSE
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	39	XCSE
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	11	XCSE
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	8	XCSE
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	33	XCSE
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	12	CEUX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	6	CEUX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	2	CEUX
Genmab A/S	21/06/2024	1:33:42 PM	1,820.5000	15	CEUX
Genmab A/S	21/06/2024	1:37:52 PM	1,819.5000	22	XCSE
Genmab A/S	21/06/2024	1:37:52 PM	1,819.5000	78	XCSE
Genmab A/S	21/06/2024	1:37:52 PM	1,819.5000	16	XCSE
Genmab A/S	21/06/2024	1:37:52 PM	1,819.5000	3	CEUX
Genmab A/S	21/06/2024	1:39:04 PM	1,819.5000	14	CEUX
Genmab A/S	21/06/2024	1:39:04 PM	1,819.5000	16	XCSE
Genmab A/S	21/06/2024	1:39:04 PM	1,819.5000	9	XCSE
Genmab A/S	21/06/2024	1:39:04 PM	1,819.5000	43	XCSE
Genmab A/S	21/06/2024	1:39:04 PM	1,819.5000	16	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	75	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	39	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	75	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	16	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	48	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	68	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	53	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	14	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	10	AQEU
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	10	AQEU
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	10	TQEX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	20	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	1	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	20	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	10	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	3	AQEU

159

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	39	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	7	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	39	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	11	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.5000	5	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	6	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	16	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	16	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	6	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	8	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	6	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	22	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	11	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	10	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	8	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	3	AQEU
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	13	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	13	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	8	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	3	AQEU
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	3	AQEU
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	3	AQEU
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	21	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	15	CEUX
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	3	AQEU
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	3	AQEU
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	40	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	10	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	2	AQEU
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	3	AQEU
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	11	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	35	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	4	XCSE
Genmab A/S	21/06/2024	1:40:45 PM	1,819.0000	4	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,817.0000	10	AQEU
Genmab A/S	21/06/2024	1:49:43 PM	1,817.0000	24	CEUX
Genmab A/S	21/06/2024	1:49:43 PM	1,817.0000	60	CEUX
Genmab A/S	21/06/2024	1:49:43 PM	1,817.0000	2	AQEU
Genmab A/S	21/06/2024	1:49:43 PM	1,817.0000	13	TQEX
Genmab A/S	21/06/2024	1:49:43 PM	1,817.0000	9	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,817.0000	9	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,817.0000	75	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	21	CEUX
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	23	CEUX
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	21	CEUX
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	23	CEUX
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	4	AQEU
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	2	XCSE

160

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	21	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	46	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	25	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	49	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	43	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	30	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	46	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	25	XCSE
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	1:49:43 PM	1,816.5000	4	AQEU
Genmab A/S	21/06/2024	1:49:44 PM	1,816.5000	39	CEUX
Genmab A/S	21/06/2024	1:49:44 PM	1,816.5000	6	CEUX
Genmab A/S	21/06/2024	1:49:44 PM	1,816.5000	36	XCSE
Genmab A/S	21/06/2024	1:49:48 PM	1,816.5000	11	XCSE
Genmab A/S	21/06/2024	1:49:48 PM	1,816.5000	11	XCSE
Genmab A/S	21/06/2024	1:49:48 PM	1,816.5000	7	CEUX
Genmab A/S	21/06/2024	1:49:48 PM	1,816.5000	23	CEUX
Genmab A/S	21/06/2024	1:49:48 PM	1,816.5000	14	XCSE
Genmab A/S	21/06/2024	1:49:48 PM	1,816.5000	5	CEUX
Genmab A/S	21/06/2024	1:57:27 PM	1,812.0000	59	CEUX
Genmab A/S	21/06/2024	1:59:14 PM	1,813.5000	37	CEUX
Genmab A/S	21/06/2024	1:59:37 PM	1,813.5000	37	XCSE
Genmab A/S	21/06/2024	1:59:42 PM	1,813.0000	37	CEUX
Genmab A/S	21/06/2024	1:59:42 PM	1,813.0000	15	CEUX
Genmab A/S	21/06/2024	1:59:42 PM	1,813.0000	8	AQEU
Genmab A/S	21/06/2024	1:59:42 PM	1,813.0000	6	TQEX
Genmab A/S	21/06/2024	1:59:42 PM	1,813.0000	58	XCSE
Genmab A/S	21/06/2024	1:59:42 PM	1,813.0000	25	XCSE
Genmab A/S	21/06/2024	1:59:42 PM	1,813.0000	2	CEUX
Genmab A/S	21/06/2024	1:59:42 PM	1,813.0000	2	AQEU
Genmab A/S	21/06/2024	1:59:42 PM	1,813.0000	20	TQEX
Genmab A/S	21/06/2024	1:59:42 PM	1,813.0000	3	TQEX
Genmab A/S	21/06/2024	2:00:44 PM	1,813.5000	14	CEUX
Genmab A/S	21/06/2024	2:00:45 PM	1,813.5000	17	XCSE
Genmab A/S	21/06/2024	2:00:45 PM	1,813.5000	47	CEUX
Genmab A/S	21/06/2024	2:00:50 PM	1,812.5000	20	CEUX
Genmab A/S	21/06/2024	2:00:50 PM	1,812.5000	3	AQEU
Genmab A/S	21/06/2024	2:00:50 PM	1,812.5000	5	TQEX
Genmab A/S	21/06/2024	2:00:50 PM	1,812.5000	22	XCSE
Genmab A/S	21/06/2024	2:00:50 PM	1,812.5000	45	XCSE
Genmab A/S	21/06/2024	2:00:50 PM	1,812.5000	13	XCSE
Genmab A/S	21/06/2024	2:00:51 PM	1,812.5000	3	XCSE
Genmab A/S	21/06/2024	2:00:51 PM	1,812.5000	34	XCSE
Genmab A/S	21/06/2024	2:03:52 PM	1,813.0000	5	TQEX
Genmab A/S	21/06/2024	2:03:52 PM	1,813.0000	31	CEUX
Genmab A/S	21/06/2024	2:03:52 PM	1,813.0000	15	CEUX
Genmab A/S	21/06/2024	2:03:52 PM	1,813.0000	5	CEUX
Genmab A/S	21/06/2024	2:03:52 PM	1,813.0000	5	AQEU
Genmab A/S	21/06/2024	2:03:52 PM	1,813.0000	3	AQEU

161

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	2:03:52 PM	1,813.0000	1	AQEU
Genmab A/S	21/06/2024	2:03:52 PM	1,813.0000	32	XCSE
Genmab A/S	21/06/2024	2:03:52 PM	1,813.0000	17	XCSE
Genmab A/S	21/06/2024	2:03:52 PM	1,813.0000	10	XCSE
Genmab A/S	21/06/2024	2:07:40 PM	1,817.5000	12	CEUX
Genmab A/S	21/06/2024	2:07:40 PM	1,817.5000	37	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	6	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	9	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	4	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	28	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	33	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	6	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	9	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	6	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	28	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	28	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	10	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	16	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:07 PM	1,818.0000	2	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	22	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	4	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	18	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	8	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	21	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	5	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	10	CEUX

162

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	16	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	10	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	16	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	10	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	26	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	28	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	28	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	28	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	25	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	3	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	25	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	41	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	41	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	28	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	28	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	28	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	16	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	12	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	16	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	9	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	13	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	26	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	15	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	11	CEUX
Genmab A/S	21/06/2024	2:11:08 PM	1,818.0000	1	CEUX
Genmab A/S	21/06/2024	2:18:43 PM	1,816.5000	30	CEUX
Genmab A/S	21/06/2024	2:19:01 PM	1,816.5000	15	CEUX
Genmab A/S	21/06/2024	2:19:01 PM	1,816.5000	15	CEUX
Genmab A/S	21/06/2024	2:19:01 PM	1,816.5000	5	TQEX
Genmab A/S	21/06/2024	2:19:02 PM	1,816.5000	15	CEUX
Genmab A/S	21/06/2024	2:19:06 PM	1,816.5000	15	CEUX
Genmab A/S	21/06/2024	2:19:10 PM	1,816.5000	15	CEUX

163

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	2:19:10 PM	1,816.5000	5	TQEX
Genmab A/S	21/06/2024	2:20:56 PM	1,816.0000	8	XCSE
Genmab A/S	21/06/2024	2:20:56 PM	1,816.0000	2	XCSE
Genmab A/S	21/06/2024	2:21:22 PM	1,816.0000	5	TQEX
Genmab A/S	21/06/2024	2:21:22 PM	1,816.0000	8	TQEX
Genmab A/S	21/06/2024	2:21:47 PM	1,816.5000	11	AQEU
Genmab A/S	21/06/2024	2:21:47 PM	1,816.5000	6	AQEU
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	56	CEUX
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	50	CEUX
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	6	CEUX
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	4	CEUX
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	21	AQEU
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	8	AQEU
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	8	AQEU
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	8	AQEU
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	8	AQEU
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	61	XCSE
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	17	XCSE
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	23	XCSE
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	38	XCSE
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	5	XCSE
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	28	XCSE
Genmab A/S	21/06/2024	2:21:58 PM	1,816.0000	26	XCSE
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	1	CEUX
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	2	AQEU
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	5	AQEU
Genmab A/S	21/06/2024	2:21:58 PM	1,816.5000	45	XCSE
Genmab A/S	21/06/2024	2:21:58 PM	1,816.0000	2	XCSE
Genmab A/S	21/06/2024	2:21:58 PM	1,816.0000	22	CEUX
Genmab A/S	21/06/2024	2:21:58 PM	1,816.0000	4	AQEU
Genmab A/S	21/06/2024	2:21:58 PM	1,816.0000	18	XCSE
Genmab A/S	21/06/2024	2:21:58 PM	1,816.0000	6	XCSE
Genmab A/S	21/06/2024	2:22:04 PM	1,816.0000	1	CEUX
Genmab A/S	21/06/2024	2:22:04 PM	1,816.0000	4	AQEU
Genmab A/S	21/06/2024	2:22:04 PM	1,816.0000	1	AQEU
Genmab A/S	21/06/2024	2:22:04 PM	1,816.0000	26	XCSE
Genmab A/S	21/06/2024	2:22:04 PM	1,816.0000	11	XCSE
Genmab A/S	21/06/2024	2:24:42 PM	1,818.0000	4	CEUX
Genmab A/S	21/06/2024	2:24:42 PM	1,818.0000	4	CEUX
Genmab A/S	21/06/2024	2:24:43 PM	1,818.0000	34	CEUX
Genmab A/S	21/06/2024	2:24:43 PM	1,818.0000	20	CEUX
Genmab A/S	21/06/2024	2:24:43 PM	1,818.0000	6	AQEU
Genmab A/S	21/06/2024	2:24:43 PM	1,818.0000	3	AQEU
Genmab A/S	21/06/2024	2:24:43 PM	1,818.0000	7	TQEX
Genmab A/S	21/06/2024	2:24:43 PM	1,818.0000	4	TQEX
Genmab A/S	21/06/2024	2:24:43 PM	1,818.0000	47	XCSE
Genmab A/S	21/06/2024	2:24:43 PM	1,818.0000	29	XCSE
Genmab A/S	21/06/2024	2:26:29 PM	1,817.0000	32	XCSE
Genmab A/S	21/06/2024	2:26:29 PM	1,817.0000	139	XCSE

164

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	2:26:29 PM	1,817.0000	29	CEUX
Genmab A/S	21/06/2024	2:26:29 PM	1,817.0000	2	CEUX
Genmab A/S	21/06/2024	2:26:29 PM	1,817.0000	13	CEUX
Genmab A/S	21/06/2024	2:26:29 PM	1,817.0000	4	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,817.0000	14	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,817.0000	32	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,817.0000	24	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,817.0000	4	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,817.0000	65	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,817.0000	12	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	23	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	25	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	19	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	4	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	25	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	11	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	18	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	4	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	21	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	20	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	2	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	21	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	22	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	4	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	4	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	2	TQEX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	10	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	22	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	4	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	1	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	4	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	4	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	1	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	1	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	TQEX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	TQEX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	2	TQEX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	5	TQEX

165

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	36	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	9	AQEU
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	5	TQEX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	3	CEUX
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	1	XCSE
Genmab A/S	21/06/2024	2:26:30 PM	1,816.5000	16	CEUX
Genmab A/S	21/06/2024	2:31:03 PM	1,815.0000	14	CEUX
Genmab A/S	21/06/2024	2:34:56 PM	1,817.5000	19	CEUX
Genmab A/S	21/06/2024	2:34:56 PM	1,817.5000	1	CEUX
Genmab A/S	21/06/2024	2:34:56 PM	1,817.5000	4	CEUX
Genmab A/S	21/06/2024	2:34:56 PM	1,817.5000	1	CEUX
Genmab A/S	21/06/2024	2:34:56 PM	1,818.0000	10	XCSE
Genmab A/S	21/06/2024	2:34:56 PM	1,818.0000	12	XCSE
Genmab A/S	21/06/2024	2:34:56 PM	1,818.0000	13	XCSE
Genmab A/S	21/06/2024	2:34:56 PM	1,817.5000	21	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	50	CEUX
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	45	CEUX
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	10	CEUX
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	7	TQEX
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	35	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	55	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	44	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	6	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	43	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	12	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	50	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	5	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	55	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	21	XCSE
Genmab A/S	21/06/2024	2:36:09 PM	1,817.5000	40	CEUX
Genmab A/S	21/06/2024	2:39:43 PM	1,818.5000	40	CEUX
Genmab A/S	21/06/2024	2:39:43 PM	1,818.5000	74	CEUX
Genmab A/S	21/06/2024	2:39:43 PM	1,818.5000	6	AQEU
Genmab A/S	21/06/2024	2:39:43 PM	1,818.5000	3	AQEU
Genmab A/S	21/06/2024	2:39:43 PM	1,818.5000	38	XCSE
Genmab A/S	21/06/2024	2:39:43 PM	1,818.5000	6	XCSE
Genmab A/S	21/06/2024	2:39:43 PM	1,818.5000	9	XCSE
Genmab A/S	21/06/2024	2:39:43 PM	1,818.5000	44	XCSE
Genmab A/S	21/06/2024	2:39:43 PM	1,818.5000	6	XCSE
Genmab A/S	21/06/2024	2:41:31 PM	1,820.0000	22	CEUX
Genmab A/S	21/06/2024	2:41:31 PM	1,820.0000	15	CEUX
Genmab A/S	21/06/2024	2:41:46 PM	1,820.0000	32	XCSE
Genmab A/S	21/06/2024	2:41:46 PM	1,820.0000	8	XCSE
Genmab A/S	21/06/2024	2:41:47 PM	1,820.0000	20	CEUX
Genmab A/S	21/06/2024	2:41:47 PM	1,820.0000	6	CEUX
Genmab A/S	21/06/2024	2:41:47 PM	1,820.0000	7	CEUX
Genmab A/S	21/06/2024	2:41:47 PM	1,820.0000	1	CEUX
Genmab A/S	21/06/2024	2:42:08 PM	1,820.0000	7	CEUX
Genmab A/S	21/06/2024	2:42:08 PM	1,820.0000	7	CEUX

166

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	2:42:08 PM	1,820.0000	20	CEUX
Genmab A/S	21/06/2024	2:42:21 PM	1,820.0000	4	XCSE
Genmab A/S	21/06/2024	2:42:31 PM	1,820.5000	10	XCSE
Genmab A/S	21/06/2024	2:42:31 PM	1,820.5000	26	XCSE
Genmab A/S	21/06/2024	2:42:42 PM	1,820.5000	10	XCSE
Genmab A/S	21/06/2024	2:42:42 PM	1,820.5000	13	XCSE
Genmab A/S	21/06/2024	2:42:42 PM	1,820.5000	13	XCSE
Genmab A/S	21/06/2024	2:42:42 PM	1,820.5000	4	XCSE
Genmab A/S	21/06/2024	2:43:01 PM	1,819.5000	28	XCSE
Genmab A/S	21/06/2024	2:43:01 PM	1,819.5000	19	XCSE
Genmab A/S	21/06/2024	2:43:01 PM	1,819.5000	37	XCSE
Genmab A/S	21/06/2024	2:43:43 PM	1,820.0000	13	CEUX
Genmab A/S	21/06/2024	2:43:45 PM	1,820.0000	11	CEUX
Genmab A/S	21/06/2024	2:43:45 PM	1,820.0000	11	CEUX
Genmab A/S	21/06/2024	2:44:23 PM	1,820.0000	28	XCSE
Genmab A/S	21/06/2024	2:44:23 PM	1,820.0000	59	XCSE
Genmab A/S	21/06/2024	2:44:23 PM	1,820.0000	25	CEUX
Genmab A/S	21/06/2024	2:44:24 PM	1,820.0000	16	XCSE
Genmab A/S	21/06/2024	2:45:24 PM	1,820.5000	10	XCSE
Genmab A/S	21/06/2024	2:45:24 PM	1,820.5000	60	XCSE
Genmab A/S	21/06/2024	2:46:13 PM	1,822.5000	52	CEUX
Genmab A/S	21/06/2024	2:46:13 PM	1,822.5000	52	CEUX
Genmab A/S	21/06/2024	2:46:13 PM	1,822.5000	12	CEUX
Genmab A/S	21/06/2024	2:46:13 PM	1,822.5000	4	CEUX
Genmab A/S	21/06/2024	2:47:00 PM	1,822.5000	72	CEUX
Genmab A/S	21/06/2024	2:47:00 PM	1,822.5000	43	CEUX
Genmab A/S	21/06/2024	2:47:00 PM	1,822.5000	8	XCSE
Genmab A/S	21/06/2024	2:47:24 PM	1,823.5000	36	XCSE
Genmab A/S	21/06/2024	2:47:36 PM	1,823.5000	35	XCSE
Genmab A/S	21/06/2024	2:47:56 PM	1,823.5000	33	XCSE
Genmab A/S	21/06/2024	2:48:06 PM	1,823.5000	38	XCSE
Genmab A/S	21/06/2024	2:48:51 PM	1,824.0000	50	XCSE
Genmab A/S	21/06/2024	2:48:51 PM	1,824.0000	9	XCSE
Genmab A/S	21/06/2024	2:49:21 PM	1,824.5000	39	XCSE
Genmab A/S	21/06/2024	2:49:21 PM	1,824.5000	53	XCSE
Genmab A/S	21/06/2024	2:49:21 PM	1,824.5000	78	XCSE
Genmab A/S	21/06/2024	2:49:21 PM	1,824.5000	47	CEUX
Genmab A/S	21/06/2024	2:49:21 PM	1,824.5000	7	AQEU
Genmab A/S	21/06/2024	2:49:21 PM	1,824.5000	47	CEUX
Genmab A/S	21/06/2024	2:49:35 PM	1,824.5000	22	XCSE
Genmab A/S	21/06/2024	2:50:57 PM	1,824.5000	23	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	43	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	9	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	22	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	41	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	9	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	XCSE

167

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	22	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	16	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	24	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	22	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	17	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	22	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	3	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	3	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	3	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	19	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	98	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	30	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	7	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	3	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	4	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX

168

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	1	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	11	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	9	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	55	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,824.5000	10	CEUX
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	3	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,824.5000	30	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,824.5000	20	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,824.5000	16	XCSE
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	10	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	2	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,825.0000	1	AQEU
Genmab A/S	21/06/2024	2:54:58 PM	1,824.5000	36	XCSE
Genmab A/S	21/06/2024	2:56:52 PM	1,823.0000	13	TQEX
Genmab A/S	21/06/2024	3:01:02 PM	1,820.5000	5	TQEX
Genmab A/S	21/06/2024	3:01:02 PM	1,820.5000	1	TQEX
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	29	CEUX
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	29	CEUX
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	29	CEUX
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	17	CEUX
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	5	AQEU
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	2	AQEU
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	32	XCSE
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	132	XCSE
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	29	CEUX
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	17	CEUX
Genmab A/S	21/06/2024	3:01:02 PM	1,821.0000	5	AQEU

169

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	31	CEUX
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	52	CEUX
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	5	TQEX
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	5	TQEX
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	30	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	3	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	57	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	5	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	24	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	36	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	13	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	8	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	9	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	27	CEUX
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	52	CEUX
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	5	TQEX
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	5	TQEX
Genmab A/S	21/06/2024	3:03:05 PM	1,820.5000	13	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	51	CEUX
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	3	AQEU
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	50	AQEU
Genmab A/S	21/06/2024	3:03:05 PM	1,821.0000	16	AQEU
Genmab A/S	21/06/2024	3:03:05 PM	1,820.5000	7	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,820.5000	19	XCSE
Genmab A/S	21/06/2024	3:03:05 PM	1,820.5000	19	CEUX
Genmab A/S	21/06/2024	3:03:05 PM	1,820.5000	1	XCSE
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	9	CEUX
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	1	AQEU
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	43	AQEU
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	5	TQEX
Genmab A/S	21/06/2024	3:07:40 PM	1,819.0000	41	TQEX
Genmab A/S	21/06/2024	3:07:41 PM	1,819.0000	9	XCSE
Genmab A/S	21/06/2024	3:07:41 PM	1,819.0000	89	XCSE
Genmab A/S	21/06/2024	3:08:58 PM	1,818.5000	19	CEUX
Genmab A/S	21/06/2024	3:08:58 PM	1,818.5000	21	XCSE
Genmab A/S	21/06/2024	3:08:58 PM	1,818.5000	1	CEUX
Genmab A/S	21/06/2024	3:08:58 PM	1,818.5000	21	XCSE
Genmab A/S	21/06/2024	3:11:56 PM	1,818.0000	39	CEUX
Genmab A/S	21/06/2024	3:11:56 PM	1,818.0000	10	CEUX
Genmab A/S	21/06/2024	3:11:56 PM	1,818.0000	7	AQEU
Genmab A/S	21/06/2024	3:11:58 PM	1,818.0000	1	XCSE
Genmab A/S	21/06/2024	3:12:05 PM	1,818.0000	18	XCSE

170

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	3:12:05 PM	1,818.0000	2	AQEU
Genmab A/S	21/06/2024	3:12:05 PM	1,818.0000	35	XCSE
Genmab A/S	21/06/2024	3:13:01 PM	1,818.0000	34	CEUX
Genmab A/S	21/06/2024	3:13:20 PM	1,818.0000	2	CEUX
Genmab A/S	21/06/2024	3:13:20 PM	1,818.0000	2	CEUX
Genmab A/S	21/06/2024	3:13:20 PM	1,818.0000	20	CEUX
Genmab A/S	21/06/2024	3:13:20 PM	1,818.0000	10	CEUX
Genmab A/S	21/06/2024	3:13:20 PM	1,818.0000	1	CEUX
Genmab A/S	21/06/2024	3:13:35 PM	1,818.0000	38	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	50	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	10	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	35	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	19	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,818.0000	34	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	6	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	33	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	21	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	54	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	26	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	9	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	9	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	36	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	14	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	4	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	30	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	20	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	16	CEUX
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	8	AQEU
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	5	AQEU
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	8	AQEU
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	8	AQEU
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	8	AQEU
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	7	AQEU
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	60	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	25	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	25	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	35	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	26	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.5000	10	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.0000	2	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.0000	20	XCSE
Genmab A/S	21/06/2024	3:13:58 PM	1,817.0000	21	XCSE
Genmab A/S	21/06/2024	3:13:59 PM	1,817.0000	21	CEUX
Genmab A/S	21/06/2024	3:13:59 PM	1,817.0000	1	AQEU
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	10	CEUX
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	10	CEUX
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	10	CEUX
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	2	AQEU
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	1	AQEU

171

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	15	AQEU
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	126	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	10	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	24	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	1	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	24	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	1	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	31	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	24	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	21	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	10	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	7	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	126	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	10	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	126	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	10	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	86	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	43	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	4	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	1	CEUX
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	2	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	50	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	7	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	22	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	6	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	12	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	4	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	12	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	22	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,819.0000	12	CEUX
Genmab A/S	21/06/2024	3:20:50 PM	1,818.5000	36	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,818.5000	102	XCSE
Genmab A/S	21/06/2024	3:20:50 PM	1,818.5000	72	XCSE
Genmab A/S	21/06/2024	3:21:12 PM	1,817.5000	22	CEUX
Genmab A/S	21/06/2024	3:21:12 PM	1,817.5000	4	AQEU
Genmab A/S	21/06/2024	3:21:12 PM	1,817.5000	24	XCSE
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	22	CEUX
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	21	CEUX
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	4	AQEU
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	24	XCSE
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	24	XCSE
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	22	CEUX
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	22	CEUX
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	19	CEUX
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	4	AQEU
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	24	XCSE
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	50	XCSE
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	19	XCSE
Genmab A/S	21/06/2024	3:21:22 PM	1,817.5000	10	XCSE

172

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	3:24:51 PM	1,814.5000	8	CEUX
Genmab A/S	21/06/2024	3:25:54 PM	1,814.0000	24	XCSE
Genmab A/S	21/06/2024	3:25:54 PM	1,814.0000	105	XCSE
Genmab A/S	21/06/2024	3:25:54 PM	1,814.0000	22	CEUX
Genmab A/S	21/06/2024	3:25:54 PM	1,814.0000	22	CEUX
Genmab A/S	21/06/2024	3:25:54 PM	1,814.0000	10	CEUX
Genmab A/S	21/06/2024	3:25:54 PM	1,814.0000	18	CEUX
Genmab A/S	21/06/2024	3:25:54 PM	1,814.0000	4	CEUX
Genmab A/S	21/06/2024	3:25:54 PM	1,814.0000	4	AQEU
Genmab A/S	21/06/2024	3:25:54 PM	1,814.0000	18	AQEU
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	62	CEUX
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	49	CEUX
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	49	CEUX
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	14	CEUX
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	24	CEUX
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	7	CEUX
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	7	AQEU
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	3	AQEU
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	7	AQEU
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	7	AQEU
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	7	AQEU
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	7	AQEU
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	53	XCSE
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	39	XCSE
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	53	XCSE
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	13	XCSE
Genmab A/S	21/06/2024	3:29:21 PM	1,812.5000	6	CEUX
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	1	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	5	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	1	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	1	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	2	AQEU
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	27	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	18	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	42	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	45	XCSE

173

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	15	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	27	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	23	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	22	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	17	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	3	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	22	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	45	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	34	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	8	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	42	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	3	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	42	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	13	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	9	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	30	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	6	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	16	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	5	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	5	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	16	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	7	XCSE
Genmab A/S	21/06/2024	3:30:01 PM	1,811.5000	25	XCSE
Genmab A/S	21/06/2024	3:32:54 PM	1,808.0000	22	XCSE
Genmab A/S	21/06/2024	3:32:54 PM	1,808.0000	18	XCSE
Genmab A/S	21/06/2024	3:32:54 PM	1,808.0000	33	XCSE
Genmab A/S	21/06/2024	3:32:54 PM	1,808.0000	6	AQEU
Genmab A/S	21/06/2024	3:32:54 PM	1,808.0000	6	AQEU
Genmab A/S	21/06/2024	3:32:54 PM	1,808.0000	7	XCSE
Genmab A/S	21/06/2024	3:32:54 PM	1,808.0000	33	XCSE
Genmab A/S	21/06/2024	3:32:54 PM	1,808.0000	6	AQEU
Genmab A/S	21/06/2024	3:32:55 PM	1,808.0000	3	AQEU
Genmab A/S	21/06/2024	3:32:55 PM	1,808.0000	33	XCSE
Genmab A/S	21/06/2024	3:32:55 PM	1,808.0000	7	XCSE
Genmab A/S	21/06/2024	3:37:09 PM	1,808.5000	12	AQEU
Genmab A/S	21/06/2024	3:37:09 PM	1,808.5000	16	AQEU
Genmab A/S	21/06/2024	3:37:09 PM	1,808.5000	31	XCSE
Genmab A/S	21/06/2024	3:37:09 PM	1,808.5000	22	XCSE
Genmab A/S	21/06/2024	3:37:09 PM	1,808.5000	35	XCSE
Genmab A/S	21/06/2024	3:37:09 PM	1,808.5000	50	XCSE
Genmab A/S	21/06/2024	3:37:09 PM	1,808.5000	12	AQEU
Genmab A/S	21/06/2024	3:38:07 PM	1,811.0000	37	XCSE
Genmab A/S	21/06/2024	3:38:07 PM	1,811.0000	11	XCSE
Genmab A/S	21/06/2024	3:38:07 PM	1,811.0000	26	CEUX
Genmab A/S	21/06/2024	3:38:07 PM	1,811.0000	17	CEUX
Genmab A/S	21/06/2024	3:38:07 PM	1,811.0000	19	CEUX
Genmab A/S	21/06/2024	3:38:07 PM	1,811.0000	1	CEUX
Genmab A/S	21/06/2024	3:38:16 PM	1,811.0000	44	XCSE
Genmab A/S	21/06/2024	3:38:16 PM	1,811.0000	28	CEUX

174

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	3:38:16 PM	1,811.0000	10	CEUX
Genmab A/S	21/06/2024	3:38:16 PM	1,811.0000	6	TQEX
Genmab A/S	21/06/2024	3:38:16 PM	1,811.0000	11	XCSE
Genmab A/S	21/06/2024	3:40:01 PM	1,811.0000	36	XCSE
Genmab A/S	21/06/2024	3:40:01 PM	1,811.0000	68	XCSE
Genmab A/S	21/06/2024	3:40:46 PM	1,814.0000	1	CEUX
Genmab A/S	21/06/2024	3:40:46 PM	1,814.0000	12	CEUX
Genmab A/S	21/06/2024	3:40:46 PM	1,814.0000	16	CEUX
Genmab A/S	21/06/2024	3:40:46 PM	1,814.0000	11	CEUX
Genmab A/S	21/06/2024	3:40:50 PM	1,813.0000	3	AQEU
Genmab A/S	21/06/2024	3:41:02 PM	1,814.0000	9	TQEX
Genmab A/S	21/06/2024	3:41:06 PM	1,814.0000	8	TQEX
Genmab A/S	21/06/2024	3:41:09 PM	1,814.0000	8	TQEX
Genmab A/S	21/06/2024	3:41:12 PM	1,813.5000	34	CEUX
Genmab A/S	21/06/2024	3:41:16 PM	1,814.0000	8	TQEX
Genmab A/S	21/06/2024	3:41:21 PM	1,814.0000	9	TQEX
Genmab A/S	21/06/2024	3:41:21 PM	1,814.0000	3	TQEX
Genmab A/S	21/06/2024	3:41:21 PM	1,814.0000	2	TQEX
Genmab A/S	21/06/2024	3:41:21 PM	1,814.0000	10	TQEX
Genmab A/S	21/06/2024	3:41:27 PM	1,814.0000	9	TQEX
Genmab A/S	21/06/2024	3:41:27 PM	1,814.0000	2	TQEX
Genmab A/S	21/06/2024	3:41:27 PM	1,814.0000	2	TQEX
Genmab A/S	21/06/2024	3:41:27 PM	1,814.0000	10	TQEX
Genmab A/S	21/06/2024	3:41:33 PM	1,814.0000	9	TQEX
Genmab A/S	21/06/2024	3:41:33 PM	1,814.0000	2	TQEX
Genmab A/S	21/06/2024	3:41:33 PM	1,814.0000	2	TQEX
Genmab A/S	21/06/2024	3:41:33 PM	1,814.0000	10	TQEX
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	13	AQEU
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	16	AQEU
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	46	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	78	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	78	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	78	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	2	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	44	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	50	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	124	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	50	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	74	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	50	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	16	AQEU
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	77	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	28	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	11	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	12	XCSE
Genmab A/S	21/06/2024	3:41:40 PM	1,813.0000	26	XCSE
Genmab A/S	21/06/2024	3:42:34 PM	1,810.0000	6	AQEU
Genmab A/S	21/06/2024	3:42:34 PM	1,810.0000	6	AQEU
Genmab A/S	21/06/2024	3:42:34 PM	1,810.0000	6	AQEU

175

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	3:42:34 PM	1,810.0000	47	XCSE
Genmab A/S	21/06/2024	3:42:34 PM	1,810.0000	21	XCSE
Genmab A/S	21/06/2024	3:42:34 PM	1,810.0000	18	XCSE
Genmab A/S	21/06/2024	3:42:34 PM	1,810.0000	18	XCSE
Genmab A/S	21/06/2024	3:42:34 PM	1,810.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	38	XCSE
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	45	XCSE
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	53	XCSE
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	46	XCSE
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	7	XCSE
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	38	XCSE
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	2	XCSE
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	48	XCSE
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	1	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	8	XCSE
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	6	AQEU
Genmab A/S	21/06/2024	3:45:00 PM	1,811.0000	3	XCSE
Genmab A/S	21/06/2024	3:45:02 PM	1,810.5000	50	XCSE
Genmab A/S	21/06/2024	3:47:04 PM	1,809.0000	5	AQEU
Genmab A/S	21/06/2024	3:47:04 PM	1,809.0000	40	AQEU
Genmab A/S	21/06/2024	3:47:04 PM	1,809.0000	37	XCSE
Genmab A/S	21/06/2024	3:47:04 PM	1,809.0000	324	XCSE
Genmab A/S	21/06/2024	3:47:04 PM	1,808.5000	52	XCSE
Genmab A/S	21/06/2024	3:47:04 PM	1,808.5000	52	XCSE
Genmab A/S	21/06/2024	3:47:04 PM	1,808.5000	314	XCSE
Genmab A/S	21/06/2024	3:47:04 PM	1,807.5000	45	XCSE
Genmab A/S	21/06/2024	3:47:04 PM	1,807.5000	5	AQEU
Genmab A/S	21/06/2024	3:47:04 PM	1,807.5000	45	XCSE
Genmab A/S	21/06/2024	3:47:04 PM	1,807.5000	11	XCSE
Genmab A/S	21/06/2024	3:47:04 PM	1,807.5000	20	XCSE
Genmab A/S	21/06/2024	3:52:36 PM	1,809.0000	23	XCSE
Genmab A/S	21/06/2024	3:52:36 PM	1,809.0000	32	XCSE
Genmab A/S	21/06/2024	3:52:36 PM	1,809.0000	3	AQEU
Genmab A/S	21/06/2024	3:52:36 PM	1,809.0000	21	XCSE
Genmab A/S	21/06/2024	3:52:37 PM	1,809.0000	2	XCSE
Genmab A/S	21/06/2024	3:52:37 PM	1,809.0000	1	AQEU
Genmab A/S	21/06/2024	3:54:19 PM	1,809.5000	35	CEUX
Genmab A/S	21/06/2024	3:54:19 PM	1,809.0000	23	XCSE

176

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	3:54:45 PM	1,809.0000	2	AQEU
Genmab A/S	21/06/2024	3:54:45 PM	1,809.0000	2	AQEU
Genmab A/S	21/06/2024	3:54:45 PM	1,809.0000	23	XCSE
Genmab A/S	21/06/2024	3:54:45 PM	1,809.0000	94	XCSE
Genmab A/S	21/06/2024	3:55:19 PM	1,809.0000	12	AQEU
Genmab A/S	21/06/2024	3:55:24 PM	1,809.5000	7	AQEU
Genmab A/S	21/06/2024	3:55:31 PM	1,809.5000	35	CEUX
Genmab A/S	21/06/2024	3:55:50 PM	1,810.5000	3	CEUX
Genmab A/S	21/06/2024	3:55:50 PM	1,810.5000	12	CEUX
Genmab A/S	21/06/2024	3:55:58 PM	1,810.5000	39	CEUX
Genmab A/S	21/06/2024	3:55:58 PM	1,810.5000	43	XCSE
Genmab A/S	21/06/2024	3:55:58 PM	1,810.5000	39	XCSE
Genmab A/S	21/06/2024	3:55:58 PM	1,810.5000	41	XCSE
Genmab A/S	21/06/2024	3:56:04 PM	1,810.5000	25	XCSE
Genmab A/S	21/06/2024	3:56:04 PM	1,810.5000	13	XCSE
Genmab A/S	21/06/2024	3:56:04 PM	1,810.5000	12	XCSE
Genmab A/S	21/06/2024	3:56:04 PM	1,810.5000	5	XCSE
Genmab A/S	21/06/2024	3:56:04 PM	1,810.5000	12	XCSE
Genmab A/S	21/06/2024	3:56:04 PM	1,810.5000	47	XCSE
Genmab A/S	21/06/2024	3:56:35 PM	1,810.5000	15	XCSE
Genmab A/S	21/06/2024	3:56:35 PM	1,810.5000	49	XCSE
Genmab A/S	21/06/2024	3:57:42 PM	1,810.5000	36	XCSE
Genmab A/S	21/06/2024	3:58:03 PM	1,810.5000	3	XCSE
Genmab A/S	21/06/2024	3:58:08 PM	1,810.5000	123	XCSE
Genmab A/S	21/06/2024	3:58:08 PM	1,810.5000	89	XCSE
Genmab A/S	21/06/2024	3:58:08 PM	1,810.5000	13	TQEX
Genmab A/S	21/06/2024	3:58:08 PM	1,810.5000	50	XCSE
Genmab A/S	21/06/2024	3:58:08 PM	1,810.5000	76	XCSE
Genmab A/S	21/06/2024	3:58:08 PM	1,810.5000	76	XCSE
Genmab A/S	21/06/2024	3:58:08 PM	1,810.5000	50	XCSE
Genmab A/S	21/06/2024	3:58:08 PM	1,810.5000	50	XCSE
Genmab A/S	21/06/2024	3:58:08 PM	1,810.5000	16	XCSE
Genmab A/S	21/06/2024	4:00:47 PM	1,810.0000	7	CEUX
Genmab A/S	21/06/2024	4:00:47 PM	1,810.0000	12	CEUX
Genmab A/S	21/06/2024	4:02:32 PM	1,809.0000	28	XCSE
Genmab A/S	21/06/2024	4:02:32 PM	1,809.0000	118	XCSE
Genmab A/S	21/06/2024	4:02:32 PM	1,809.0000	155	XCSE
Genmab A/S	21/06/2024	4:02:32 PM	1,809.0000	138	XCSE
Genmab A/S	21/06/2024	4:02:32 PM	1,809.0000	8	XCSE
Genmab A/S	21/06/2024	4:04:03 PM	1,810.0000	1	XCSE
Genmab A/S	21/06/2024	4:04:03 PM	1,810.0000	33	XCSE
Genmab A/S	21/06/2024	4:04:03 PM	1,810.0000	98	XCSE
Genmab A/S	21/06/2024	4:04:03 PM	1,810.0000	76	XCSE
Genmab A/S	21/06/2024	4:04:58 PM	1,811.0000	24	XCSE
Genmab A/S	21/06/2024	4:05:15 PM	1,811.5000	24	XCSE
Genmab A/S	21/06/2024	4:05:22 PM	1,811.5000	25	XCSE
Genmab A/S	21/06/2024	4:05:22 PM	1,811.5000	11	XCSE
Genmab A/S	21/06/2024	4:05:33 PM	1,811.5000	25	XCSE
Genmab A/S	21/06/2024	4:05:33 PM	1,811.5000	15	XCSE

177

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	8	AQEU
Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	65	XCSE
Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	17	XCSE
Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	17	XCSE
Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	18	XCSE
Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	10	XCSE
Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	37	XCSE
Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	27	XCSE
Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	37	XCSE
Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	28	XCSE
Genmab A/S	21/06/2024	4:05:58 PM	1,811.0000	28	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	47	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	18	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	18	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	45	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	2	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	30	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	58	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	7	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	58	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	30	XCSE
Genmab A/S	21/06/2024	4:05:59 PM	1,811.0000	17	XCSE
Genmab A/S	21/06/2024	4:06:00 PM	1,810.5000	31	XCSE
Genmab A/S	21/06/2024	4:06:00 PM	1,810.5000	14	XCSE
Genmab A/S	21/06/2024	4:06:00 PM	1,810.5000	34	XCSE
Genmab A/S	21/06/2024	4:06:00 PM	1,811.0000	30	XCSE
Genmab A/S	21/06/2024	4:06:00 PM	1,811.0000	35	XCSE
Genmab A/S	21/06/2024	4:06:00 PM	1,810.5000	31	XCSE
Genmab A/S	21/06/2024	4:06:00 PM	1,810.5000	14	XCSE
Genmab A/S	21/06/2024	4:06:00 PM	1,810.5000	45	XCSE
Genmab A/S	21/06/2024	4:06:01 PM	1,810.5000	45	XCSE
Genmab A/S	21/06/2024	4:06:01 PM	1,810.5000	11	XCSE
Genmab A/S	21/06/2024	4:06:01 PM	1,810.5000	38	XCSE
Genmab A/S	21/06/2024	4:10:20 PM	1,809.5000	11	XCSE
Genmab A/S	21/06/2024	4:10:20 PM	1,809.5000	50	XCSE
Genmab A/S	21/06/2024	4:10:23 PM	1,809.0000	37	XCSE
Genmab A/S	21/06/2024	4:10:57 PM	1,809.0000	5	XCSE
Genmab A/S	21/06/2024	4:11:03 PM	1,809.0000	5	AQEU
Genmab A/S	21/06/2024	4:11:10 PM	1,809.0000	30	XCSE
Genmab A/S	21/06/2024	4:11:12 PM	1,809.0000	2	XCSE
Genmab A/S	21/06/2024	4:11:12 PM	1,809.0000	5	XCSE
Genmab A/S	21/06/2024	4:11:12 PM	1,809.0000	20	XCSE
Genmab A/S	21/06/2024	4:11:12 PM	1,809.0000	7	XCSE
Genmab A/S	21/06/2024	4:11:12 PM	1,809.0000	5	XCSE
Genmab A/S	21/06/2024	4:11:12 PM	1,809.0000	27	XCSE
Genmab A/S	21/06/2024	4:11:12 PM	1,809.0000	9	XCSE
Genmab A/S	21/06/2024	4:11:12 PM	1,809.0000	28	XCSE
Genmab A/S	21/06/2024	4:11:12 PM	1,809.0000	37	XCSE
Genmab A/S	21/06/2024	4:11:13 PM	1,809.0000	5	AQEU

178

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	4:11:13 PM	1,809.0000	2	AQEU
Genmab A/S	21/06/2024	4:11:13 PM	1,809.0000	5	AQEU
Genmab A/S	21/06/2024	4:11:13 PM	1,809.0000	2	AQEU
Genmab A/S	21/06/2024	4:11:13 PM	1,809.0000	7	XCSE
Genmab A/S	21/06/2024	4:11:13 PM	1,809.0000	5	AQEU
Genmab A/S	21/06/2024	4:11:13 PM	1,809.0000	5	AQEU
Genmab A/S	21/06/2024	4:11:13 PM	1,809.0000	5	AQEU
Genmab A/S	21/06/2024	4:11:13 PM	1,809.0000	10	XCSE
Genmab A/S	21/06/2024	4:11:30 PM	1,808.0000	1	XCSE
Genmab A/S	21/06/2024	4:11:30 PM	1,808.0000	36	XCSE
Genmab A/S	21/06/2024	4:11:30 PM	1,808.0000	37	XCSE
Genmab A/S	21/06/2024	4:11:30 PM	1,808.0000	17	XCSE
Genmab A/S	21/06/2024	4:12:29 PM	1,808.0000	12	AQEU
Genmab A/S	21/06/2024	4:12:29 PM	1,808.0000	88	XCSE
Genmab A/S	21/06/2024	4:12:29 PM	1,808.0000	12	AQEU
Genmab A/S	21/06/2024	4:12:29 PM	1,808.0000	6	AQEU
Genmab A/S	21/06/2024	4:12:53 PM	1,808.0000	39	XCSE
Genmab A/S	21/06/2024	4:12:53 PM	1,808.0000	150	XCSE
Genmab A/S	21/06/2024	4:12:53 PM	1,808.0000	163	XCSE
Genmab A/S	21/06/2024	4:12:53 PM	1,808.0000	44	AQEU
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	6	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	30	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	6	AQEU
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	6	AQEU
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	6	AQEU
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	6	AQEU
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	6	AQEU
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	6	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	30	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	6	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	6	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	6	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	2	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	3	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	5	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	2	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	7	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	5	XCSE
Genmab A/S	21/06/2024	4:13:54 PM	1,807.0000	8	XCSE
Genmab A/S	21/06/2024	4:13:58 PM	1,807.0000	34	XCSE
Genmab A/S	21/06/2024	4:13:58 PM	1,807.0000	34	XCSE
Genmab A/S	21/06/2024	4:13:58 PM	1,807.0000	5	AQEU
Genmab A/S	21/06/2024	4:13:58 PM	1,807.0000	8	XCSE
Genmab A/S	21/06/2024	4:14:59 PM	1,805.0000	5	AQEU
Genmab A/S	21/06/2024	4:16:51 PM	1,806.5000	4	AQEU
Genmab A/S	21/06/2024	4:16:51 PM	1,806.5000	5	XCSE
Genmab A/S	21/06/2024	4:16:51 PM	1,806.5000	20	XCSE
Genmab A/S	21/06/2024	4:16:51 PM	1,806.5000	25	XCSE
Genmab A/S	21/06/2024	4:16:51 PM	1,806.5000	24	XCSE

179

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	4:16:51 PM	1,806.5000	4	AQEU
Genmab A/S	21/06/2024	4:16:52 PM	1,806.5000	1	XCSE
Genmab A/S	21/06/2024	4:18:33 PM	1,807.5000	38	AQEU
Genmab A/S	21/06/2024	4:18:50 PM	1,807.5000	4	AQEU
Genmab A/S	21/06/2024	4:18:50 PM	1,807.5000	7	AQEU
Genmab A/S	21/06/2024	4:18:50 PM	1,807.5000	2	AQEU
Genmab A/S	21/06/2024	4:18:50 PM	1,807.5000	3	AQEU
Genmab A/S	21/06/2024	4:18:50 PM	1,807.5000	16	AQEU
Genmab A/S	21/06/2024	4:18:50 PM	1,807.5000	6	AQEU
Genmab A/S	21/06/2024	4:18:57 PM	1,807.5000	34	AQEU
Genmab A/S	21/06/2024	4:18:57 PM	1,807.5000	4	AQEU
Genmab A/S	21/06/2024	4:19:08 PM	1,807.5000	22	AQEU
Genmab A/S	21/06/2024	4:19:08 PM	1,807.5000	2	AQEU
Genmab A/S	21/06/2024	4:19:08 PM	1,807.5000	3	AQEU
Genmab A/S	21/06/2024	4:19:08 PM	1,807.5000	12	TQEX
Genmab A/S	21/06/2024	4:19:20 PM	1,807.5000	3	AQEU
Genmab A/S	21/06/2024	4:19:20 PM	1,807.5000	23	TQEX
Genmab A/S	21/06/2024	4:19:20 PM	1,807.5000	12	XCSE
Genmab A/S	21/06/2024	4:19:30 PM	1,807.5000	13	XCSE
Genmab A/S	21/06/2024	4:19:30 PM	1,807.5000	16	AQEU
Genmab A/S	21/06/2024	4:19:32 PM	1,807.0000	45	XCSE
Genmab A/S	21/06/2024	4:19:33 PM	1,807.0000	14	XCSE
Genmab A/S	21/06/2024	4:19:34 PM	1,807.0000	3	XCSE
Genmab A/S	21/06/2024	4:19:41 PM	1,807.0000	11	XCSE
Genmab A/S	21/06/2024	4:20:03 PM	1,807.5000	9	AQEU
Genmab A/S	21/06/2024	4:20:03 PM	1,807.5000	16	AQEU
Genmab A/S	21/06/2024	4:20:03 PM	1,807.5000	15	AQEU
Genmab A/S	21/06/2024	4:20:44 PM	1,808.5000	50	XCSE
Genmab A/S	21/06/2024	4:20:44 PM	1,808.5000	33	XCSE
Genmab A/S	21/06/2024	4:20:44 PM	1,808.5000	11	XCSE
Genmab A/S	21/06/2024	4:20:44 PM	1,808.5000	72	XCSE
Genmab A/S	21/06/2024	4:20:44 PM	1,808.5000	11	XCSE
Genmab A/S	21/06/2024	4:20:44 PM	1,808.5000	63	XCSE
Genmab A/S	21/06/2024	4:20:44 PM	1,808.5000	20	XCSE
Genmab A/S	21/06/2024	4:21:35 PM	1,808.5000	28	XCSE
Genmab A/S	21/06/2024	4:21:35 PM	1,808.5000	12	XCSE
Genmab A/S	21/06/2024	4:21:44 PM	1,808.5000	35	XCSE
Genmab A/S	21/06/2024	4:21:54 PM	1,808.5000	34	XCSE
Genmab A/S	21/06/2024	4:22:05 PM	1,808.5000	7	XCSE
Genmab A/S	21/06/2024	4:22:05 PM	1,808.5000	27	XCSE
Genmab A/S	21/06/2024	4:22:17 PM	1,808.5000	10	XCSE
Genmab A/S	21/06/2024	4:22:17 PM	1,808.5000	11	XCSE
Genmab A/S	21/06/2024	4:22:17 PM	1,808.5000	19	XCSE
Genmab A/S	21/06/2024	4:22:35 PM	1,808.5000	10	TQEX
Genmab A/S	21/06/2024	4:22:39 PM	1,808.5000	3	TQEX
Genmab A/S	21/06/2024	4:22:39 PM	1,808.5000	2	TQEX
Genmab A/S	21/06/2024	4:22:39 PM	1,808.5000	13	XCSE
Genmab A/S	21/06/2024	4:22:39 PM	1,808.5000	12	XCSE
Genmab A/S	21/06/2024	4:22:39 PM	1,808.5000	2	TQEX

180

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	4:22:44 PM	1,808.5000	12	XCSE
Genmab A/S	21/06/2024	4:22:53 PM	1,808.0000	21	XCSE
Genmab A/S	21/06/2024	4:22:53 PM	1,808.0000	22	XCSE
Genmab A/S	21/06/2024	4:22:53 PM	1,808.0000	21	XCSE
Genmab A/S	21/06/2024	4:22:53 PM	1,808.0000	22	XCSE
Genmab A/S	21/06/2024	4:22:54 PM	1,808.0000	21	XCSE
Genmab A/S	21/06/2024	4:22:54 PM	1,808.0000	11	XCSE
Genmab A/S	21/06/2024	4:22:54 PM	1,808.0000	11	XCSE
Genmab A/S	21/06/2024	4:22:54 PM	1,808.0000	21	XCSE
Genmab A/S	21/06/2024	4:22:56 PM	1,808.0000	21	XCSE
Genmab A/S	21/06/2024	4:23:36 PM	1,808.5000	23	TQEX
Genmab A/S	21/06/2024	4:23:36 PM	1,808.5000	15	TQEX
Genmab A/S	21/06/2024	4:23:47 PM	1,808.5000	29	TQEX
Genmab A/S	21/06/2024	4:23:47 PM	1,808.5000	1	TQEX
Genmab A/S	21/06/2024	4:24:14 PM	1,807.5000	187	XCSE
Genmab A/S	21/06/2024	4:24:51 PM	1,808.5000	30	XCSE
Genmab A/S	21/06/2024	4:24:51 PM	1,808.5000	7	XCSE
Genmab A/S	21/06/2024	4:25:05 PM	1,808.5000	30	XCSE
Genmab A/S	21/06/2024	4:25:05 PM	1,808.5000	11	XCSE
Genmab A/S	21/06/2024	4:25:14 PM	1,808.5000	31	XCSE
Genmab A/S	21/06/2024	4:25:14 PM	1,808.5000	4	XCSE
Genmab A/S	21/06/2024	4:25:27 PM	1,808.5000	25	XCSE
Genmab A/S	21/06/2024	4:25:27 PM	1,808.5000	8	XCSE
Genmab A/S	21/06/2024	4:25:36 PM	1,808.5000	8	AQEU
Genmab A/S	21/06/2024	4:25:36 PM	1,808.5000	11	XCSE
Genmab A/S	21/06/2024	4:25:45 PM	1,808.5000	2	AQEU
Genmab A/S	21/06/2024	4:25:45 PM	1,808.5000	16	AQEU
Genmab A/S	21/06/2024	4:25:45 PM	1,808.5000	16	AQEU
Genmab A/S	21/06/2024	4:25:45 PM	1,808.5000	2	AQEU
Genmab A/S	21/06/2024	4:25:55 PM	1,808.0000	150	XCSE
Genmab A/S	21/06/2024	4:25:55 PM	1,808.5000	2	AQEU
Genmab A/S	21/06/2024	4:25:55 PM	1,808.5000	16	AQEU
Genmab A/S	21/06/2024	4:25:55 PM	1,808.5000	3	AQEU
Genmab A/S	21/06/2024	4:25:55 PM	1,808.0000	28	XCSE
Genmab A/S	21/06/2024	4:27:28 PM	1,808.5000	40	AQEU
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	97	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	127	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	6	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	6	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	91	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	6	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	50	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	97	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	97	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	28	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	17	AQEU
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	17	AQEU
Genmab A/S	21/06/2024	4:28:17 PM	1,808.0000	10	AQEU
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	47	XCSE

181

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	5	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	49	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	26	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	25	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	27	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	27	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	22	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	50	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	2	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	49	XCSE
Genmab A/S	21/06/2024	4:28:17 PM	1,807.5000	28	XCSE
Genmab A/S	21/06/2024	4:30:17 PM	1,806.0000	49	XCSE
Genmab A/S	21/06/2024	4:30:18 PM	1,806.0000	38	XCSE
Genmab A/S	21/06/2024	4:30:19 PM	1,806.0000	8	XCSE
Genmab A/S	21/06/2024	4:30:19 PM	1,806.0000	3	XCSE
Genmab A/S	21/06/2024	4:30:28 PM	1,806.0000	41	XCSE
Genmab A/S	21/06/2024	4:32:49 PM	1,806.5000	16	AQEU
Genmab A/S	21/06/2024	4:33:04 PM	1,806.5000	2	AQEU
Genmab A/S	21/06/2024	4:33:04 PM	1,806.5000	12	AQEU
Genmab A/S	21/06/2024	4:33:30 PM	1,807.0000	5	XCSE
Genmab A/S	21/06/2024	4:34:18 PM	1,806.5000	9	XCSE
Genmab A/S	21/06/2024	4:34:18 PM	1,806.5000	172	XCSE
Genmab A/S	21/06/2024	4:34:18 PM	1,806.5000	181	XCSE
Genmab A/S	21/06/2024	4:34:18 PM	1,806.5000	38	XCSE
Genmab A/S	21/06/2024	4:35:01 PM	1,807.0000	16	AQEU
Genmab A/S	21/06/2024	4:35:01 PM	1,807.0000	14	AQEU
Genmab A/S	21/06/2024	4:35:01 PM	1,807.0000	5	XCSE
Genmab A/S	21/06/2024	4:35:07 PM	1,807.0000	26	XCSE
Genmab A/S	21/06/2024	4:35:07 PM	1,807.0000	9	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.5000	181	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.5000	296	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.5000	27	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.5000	20	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.5000	6	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.5000	14	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.5000	29	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	4	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	50	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	22	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	50	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	50	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	6	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	50	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	50	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	50	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	14	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	11	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,806.0000	28	XCSE
Genmab A/S	21/06/2024	4:35:21 PM	1,805.5000	20	XCSE

182

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	4:35:22 PM	1,805.5000	11	XCSE
Genmab A/S	21/06/2024	4:35:22 PM	1,805.5000	11	XCSE
Genmab A/S	21/06/2024	4:39:20 PM	1,808.0000	104	XCSE
Genmab A/S	21/06/2024	4:39:20 PM	1,808.0000	114	XCSE
Genmab A/S	21/06/2024	4:39:20 PM	1,808.0000	100	XCSE
Genmab A/S	21/06/2024	4:39:20 PM	1,808.0000	4	XCSE
Genmab A/S	21/06/2024	4:39:20 PM	1,808.0000	79	XCSE
Genmab A/S	21/06/2024	4:39:20 PM	1,808.0000	25	XCSE
Genmab A/S	21/06/2024	4:39:20 PM	1,808.0000	27	XCSE
Genmab A/S	21/06/2024	4:41:45 PM	1,809.0000	21	XCSE
Genmab A/S	21/06/2024	4:41:45 PM	1,809.0000	21	XCSE
Genmab A/S	21/06/2024	4:41:45 PM	1,809.0000	21	XCSE
Genmab A/S	21/06/2024	4:41:45 PM	1,809.0000	21	XCSE
Genmab A/S	21/06/2024	4:41:45 PM	1,809.0000	21	XCSE
Genmab A/S	21/06/2024	4:41:45 PM	1,809.0000	21	XCSE
Genmab A/S	21/06/2024	4:41:46 PM	1,809.0000	12	XCSE
Genmab A/S	21/06/2024	4:41:46 PM	1,809.0000	9	XCSE
Genmab A/S	21/06/2024	4:41:46 PM	1,809.0000	13	XCSE
Genmab A/S	21/06/2024	4:41:46 PM	1,809.0000	8	XCSE
Genmab A/S	21/06/2024	4:41:46 PM	1,809.0000	19	XCSE
Genmab A/S	21/06/2024	4:41:46 PM	1,809.0000	2	XCSE
Genmab A/S	21/06/2024	4:41:46 PM	1,809.0000	21	XCSE
Genmab A/S	21/06/2024	4:41:46 PM	1,809.0000	60	XCSE
Genmab A/S	21/06/2024	4:41:46 PM	1,809.0000	21	XCSE
Genmab A/S	21/06/2024	4:41:46 PM	1,809.0000	61	XCSE
Genmab A/S	21/06/2024	4:41:47 PM	1,809.0000	17	XCSE
Genmab A/S	21/06/2024	4:41:48 PM	1,809.0000	4	XCSE
Genmab A/S	21/06/2024	4:41:48 PM	1,809.0000	21	XCSE
Genmab A/S	21/06/2024	4:42:02 PM	1,808.0000	47	XCSE
Genmab A/S	21/06/2024	4:43:23 PM	1,808.5000	40	XCSE
Genmab A/S	21/06/2024	4:43:23 PM	1,808.5000	150	XCSE
Genmab A/S	21/06/2024	4:43:23 PM	1,808.5000	100	XCSE
Genmab A/S	21/06/2024	4:43:23 PM	1,808.5000	48	XCSE
Genmab A/S	21/06/2024	4:43:23 PM	1,808.5000	13	XCSE
Genmab A/S	21/06/2024	4:43:23 PM	1,808.5000	50	XCSE
Genmab A/S	21/06/2024	4:43:23 PM	1,808.5000	42	XCSE
Genmab A/S	21/06/2024	4:45:10 PM	1,808.5000	108	XCSE
Genmab A/S	21/06/2024	4:45:10 PM	1,808.5000	91	XCSE
Genmab A/S	21/06/2024	4:45:10 PM	1,808.5000	17	XCSE
Genmab A/S	21/06/2024	4:45:10 PM	1,808.5000	16	XCSE
Genmab A/S	21/06/2024	4:46:26 PM	1,808.5000	22	XCSE
Genmab A/S	21/06/2024	4:46:27 PM	1,808.5000	9	XCSE
Genmab A/S	21/06/2024	4:46:27 PM	1,808.5000	7	XCSE
Genmab A/S	21/06/2024	4:47:09 PM	1,809.0000	3	AQEU
Genmab A/S	21/06/2024	4:47:14 PM	1,809.0000	3	AQEU
Genmab A/S	21/06/2024	4:47:28 PM	1,808.5000	152	XCSE
Genmab A/S	21/06/2024	4:47:28 PM	1,808.5000	37	XCSE
Genmab A/S	21/06/2024	4:47:28 PM	1,808.5000	61	XCSE
Genmab A/S	21/06/2024	4:47:28 PM	1,808.5000	40	XCSE

183

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	4:47:29 PM	1,808.5000	149	XCSE
Genmab A/S	21/06/2024	4:48:14 PM	1,809.0000	20	AQEU
Genmab A/S	21/06/2024	4:49:46 PM	1,809.0000	33	XCSE
Genmab A/S	21/06/2024	4:49:46 PM	1,809.0000	1	XCSE
Genmab A/S	21/06/2024	4:49:46 PM	1,809.0000	16	XCSE
Genmab A/S	21/06/2024	4:49:47 PM	1,809.0000	13	XCSE
Genmab A/S	21/06/2024	4:49:47 PM	1,809.0000	61	XCSE
Genmab A/S	21/06/2024	4:49:55 PM	1,808.5000	100	XCSE
Genmab A/S	21/06/2024	4:49:56 PM	1,808.5000	89	XCSE
Genmab A/S	21/06/2024	4:49:56 PM	1,808.5000	103	XCSE
Genmab A/S	21/06/2024	4:49:56 PM	1,808.5000	192	XCSE
Genmab A/S	21/06/2024	4:49:56 PM	1,808.5000	189	XCSE
Genmab A/S	21/06/2024	4:49:56 PM	1,808.5000	57	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	24	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	105	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	23	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	24	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	22	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	24	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	119	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	22	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	24	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	22	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	350	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	343	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	22	XCSE
Genmab A/S	21/06/2024	4:50:57 PM	1,808.5000	14	XCSE
Genmab A/S	21/06/2024	4:51:30 PM	1,809.5000	81	XCSE
Genmab A/S	21/06/2024	4:51:30 PM	1,809.5000	39	XCSE
Genmab A/S	21/06/2024	4:52:03 PM	1,809.5000	1	XCSE
Genmab A/S	21/06/2024	4:52:21 PM	1,809.5000	2	XCSE
Genmab A/S	21/06/2024	4:54:00 PM	1,810.0000	5	AQEU
Genmab A/S	21/06/2024	4:54:08 PM	1,809.5000	72	XCSE
Genmab A/S	21/06/2024	4:54:08 PM	1,810.0000	40	AQEU
Genmab A/S	21/06/2024	4:54:15 PM	1,809.5000	61	XCSE
Genmab A/S	21/06/2024	4:54:15 PM	1,809.5000	13	XCSE
Genmab A/S	21/06/2024	4:54:15 PM	1,809.5000	10	XCSE
Genmab A/S	21/06/2024	4:54:16 PM	1,809.5000	11	XCSE
Genmab A/S	21/06/2024	4:54:16 PM	1,809.5000	61	XCSE
Genmab A/S	21/06/2024	4:54:18 PM	1,809.5000	39	XCSE
Genmab A/S	21/06/2024	4:54:20 PM	1,809.5000	46	XCSE
Genmab A/S	21/06/2024	4:54:20 PM	1,809.5000	11	XCSE
Genmab A/S	21/06/2024	4:54:20 PM	1,809.5000	12	XCSE
Genmab A/S	21/06/2024	4:54:23 PM	1,809.5000	15	XCSE
Genmab A/S	21/06/2024	4:54:24 PM	1,809.5000	11	XCSE
Genmab A/S	21/06/2024	4:54:25 PM	1,809.5000	12	XCSE
Genmab A/S	21/06/2024	4:54:26 PM	1,809.5000	11	XCSE
Genmab A/S	21/06/2024	4:54:26 PM	1,809.5000	13	XCSE
Genmab A/S	21/06/2024	4:54:27 PM	1,809.5000	12	XCSE

184

​

​

Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for June 17 – June 21, 2024

​

​

Genmab A/S	21/06/2024	4:54:28 PM	1,809.5000	12	XCSE
Genmab A/S	21/06/2024	4:54:28 PM	1,809.5000	7	XCSE
Genmab A/S	21/06/2024	4:54:30 PM	1,809.5000	3	XCSE
Genmab A/S	21/06/2024	4:54:30 PM	1,809.5000	1	XCSE
Genmab A/S	21/06/2024	4:54:30 PM	1,809.5000	8	XCSE
Genmab A/S	21/06/2024	4:54:30 PM	1,809.5000	15	XCSE
Genmab A/S	21/06/2024	4:54:32 PM	1,809.5000	13	XCSE
Genmab A/S	21/06/2024	4:54:33 PM	1,809.5000	11	XCSE
Genmab A/S	21/06/2024	4:54:39 PM	1,809.5000	13	XCSE
Genmab A/S	21/06/2024	4:54:39 PM	1,809.5000	61	XCSE
Genmab A/S	21/06/2024	4:54:39 PM	1,809.5000	25	XCSE
Genmab A/S	21/06/2024	4:54:40 PM	1,809.5000	11	XCSE
Genmab A/S	21/06/2024	4:54:43 PM	1,809.5000	13	XCSE
Genmab A/S	21/06/2024	4:54:43 PM	1,809.5000	25	XCSE
Genmab A/S	21/06/2024	4:54:46 PM	1,809.5000	25	XCSE
Genmab A/S	21/06/2024	4:54:46 PM	1,809.5000	11	XCSE
Genmab A/S	21/06/2024	4:54:46 PM	1,809.5000	25	XCSE
Genmab A/S	21/06/2024	4:54:46 PM	1,809.5000	13	XCSE
Genmab A/S	21/06/2024	4:54:46 PM	1,809.5000	38	XCSE
Genmab A/S	21/06/2024	4:54:50 PM	1,809.5000	13	XCSE
Genmab A/S	21/06/2024	4:54:50 PM	1,809.5000	25	XCSE
Genmab A/S	21/06/2024	4:54:52 PM	1,809.5000	2	AQEU
Genmab A/S	21/06/2024	4:54:52 PM	1,809.5000	3	AQEU
Genmab A/S	21/06/2024	4:54:53 PM	1,809.0000	18	XCSE

​

185

​

​