Stocks
RGEN REPLIGEN CORP

RGEN

REPLIGEN CORP

Company with tickers: RGEN

CIK

730272

CUSIP

759916109

Shares Outstanding

56,399,274

Price Holdings Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trading Congress Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-03-05	KURIYEL RALF	Senior VP, R&D	Award	5,284	—	—	20,062
2026-03-05	KURIYEL RALF	Senior VP, R&D	Award	5,669	—	—	5,669
2026-03-05	Loeillot Olivier	Chief Executive Officer	Award	24,134	—	—	58,078
2026-03-05	Loeillot Olivier	Chief Executive Officer	Award	25,890	—	—	25,890
2026-03-05	Bylund James	Chief Operating Officer	Award	8,315	—	—	8,315
2026-03-05	Bylund James	Chief Operating Officer	Award	7,751	—	—	25,423
2026-03-05	Garland Jason K	EVP, Chief Financial Officer	Award	7,751	—	—	20,092
2026-03-05	Garland Jason K	EVP, Chief Financial Officer	Award	8,315	—	—	8,315
2026-03-04	Bylund James	Chief Operating Officer	Award	125	—	—	17,734
2026-03-04	Bylund James	Chief Operating Officer	Tax	62	$125.84	$7,802	17,672
2026-03-04	KURIYEL RALF	Senior VP, R&D	Award	125	—	—	14,820
2026-03-04	KURIYEL RALF	Senior VP, R&D	Tax	42	$125.84	$5,285	14,778
2026-03-02	Bylund James	Chief Operating Officer	Tax	2,433	$124.97	$304,052	17,609
2026-03-02	Garland Jason K	EVP, Chief Financial Officer	Tax	715	$124.97	$89,354	12,341
2026-03-02	Loeillot Olivier	Chief Executive Officer	Tax	1,610	$124.97	$201,202	33,944
2026-03-02	Hunt Anthony	Director	Tax	9,897	$124.97	$1,236,828	89,062
2026-03-02	KURIYEL RALF	Senior VP, R&D	Tax	923	$124.97	$115,347	14,695
2026-03-02	Douglass Brian Robb	CHIEF PRODUCT OFFICER	Tax	221	$124.97	$27,618	8,319
2026-02-27	Bylund James	Chief Operating Officer	Tax	1,478	$128.73	$190,263	20,042
2026-02-27	Garland Jason K	EVP, Chief Financial Officer	Tax	327	$128.73	$42,095	13,056
2026-02-27	Loeillot Olivier	Chief Executive Officer	Tax	344	$128.73	$44,283	35,554
2026-02-27	KURIYEL RALF	Senior VP, R&D	Tax	444	$128.73	$57,156	15,618
2025-12-31	Douglass Brian Robb	CHIEF PRODUCT OFFICER	Award	2,288	—	—	8,540
2025-12-31	Douglass Brian Robb	CHIEF PRODUCT OFFICER	Award	2,143	—	—	2,143
2025-12-31	Douglass Brian Robb	CHIEF PRODUCT OFFICER	Other	0	—	—	0
2025-12-31	Douglass Brian Robb	CHIEF PRODUCT OFFICER	Other	6,252	—	—	6,252
2025-12-17	DAWES KAREN A	Director	Sell	275	$161.00	$44,275	91,821
2025-12-16	MUIR GLENN P	Director	Convert	3,366	$26.12	$87,920	36,622
2025-12-16	MUIR GLENN P	Director	Convert	3,366	—	—	3,366
2025-12-04	Hunt Anthony	Director	Other	2,000	—	—	98,959
2025-11-25	Loeillot Olivier	Chief Executive Officer	Sell	7,041	$170.00	$1,196,970	35,898
2025-11-18	Bylund James	Chief Operating Officer	Sell	2,191	$151.21	$331,301	21,520
2025-11-13	Hunt Anthony	Director	Convert	2,952	—	—	14,760
2025-11-13	Hunt Anthony	Director	Convert	2,952	$33.87	$99,984	83,695
2025-11-13	Hunt Anthony	Director	Sell	1,784	$151.01	$269,402	98,959
2025-11-12	Hunt Anthony	Director	Convert	25,000	—	—	157,344
2025-11-12	Hunt Anthony	Director	Convert	25,000	$33.87	$846,750	125,743
2025-11-12	Hunt Anthony	Director	Sell	3,741	$154.92	$579,556	122,002
2025-10-02	Loeillot Olivier	Chief Executive Officer	Tax	1,248	$145.23	$181,247	42,939
2025-09-25	Garland Jason K	EVP, Chief Financial Officer	Tax	412	$121.68	$50,132	13,383
2025-09-10	Hunt Anthony	Director	Sell	96	$116.34	$11,169	129,758
2025-09-10	Hunt Anthony	Director	Convert	20,000	$33.87	$677,400	129,854
2025-09-10	Hunt Anthony	Director	Convert	20,000	—	—	182,344
2025-09-03	Loeillot Olivier	Chief Executive Officer	Tax	2,506	$116.18	$291,147	44,187
2025-09-02	Hughes Violetta	CHIEF ACCOUNTING OFFICER	Award	4,142	—	—	4,142
2025-09-02	Hughes Violetta	CHIEF ACCOUNTING OFFICER	Award	3,914	—	—	3,914
2025-09-01	Hughes Violetta	CHIEF ACCOUNTING OFFICER	Other	0	—	—	0
2025-08-08	Madaus Martin D	Director	Buy	1,800	$112.13	$201,830	1,800
2025-08-08	Madaus Martin D	Director	Other	5,586	—	—	5,586
2025-05-15	Konstantinov Konstantin	Director	Award	973	—	—	2,894
2025-05-15	Konstantinov Konstantin	Director	Award	1,800	—	—	1,800
2025-05-15	Mhatre Rohin	Director	Award	973	—	—	4,019
2025-05-15	Mhatre Rohin	Director	Award	1,800	—	—	1,800
2025-05-15	BARTHELEMY NICOLAS	Director	Award	973	—	—	4,441
2025-05-15	BARTHELEMY NICOLAS	Director	Award	1,800	—	—	1,800
2025-05-15	MUIR GLENN P	Director	Award	973	—	—	33,256
2025-05-15	MUIR GLENN P	Director	Award	1,800	—	—	1,800
2025-05-15	EGLINTON MANNER CARRIE	Director, President & CEO	Award	1,800	—	—	1,800
2025-05-15	EGLINTON MANNER CARRIE	Director, President & CEO	Award	973	—	—	4,466
2025-05-15	DAWES KAREN A	Director	Award	973	—	—	92,096
2025-05-15	DAWES KAREN A	Director	Award	1,800	—	—	1,800
2025-05-15	Madaus Martin D	Director	Award	1,800	—	—	1,800
2025-05-15	Madaus Martin D	Director	Other	11	—	—	11
2025-05-15	Madaus Martin D	Director	Award	973	—	—	5,586
2025-05-15	Pax Margaret	Director	Award	973	—	—	2,016
2025-05-15	Pax Margaret	Director	Award	1,800	—	—	1,800
2025-05-15	Hunt Anthony	Director	Sell	2,043	$122.66	$250,594	134,258
2025-04-01	Bylund James	Chief Operating Officer	Tax	454	$128.50	$58,339	23,711
2025-03-17	Hunt Anthony	Director	Convert	5,000	$33.87	$169,350	141,301
2025-03-17	Hunt Anthony	Director	Sell	60	$148.05	$8,883	162,997
2025-03-17	Hunt Anthony	Director	Convert	5,000	—	—	202,344
2025-03-17	Pax Margaret	Director	Buy	250	$150.69	$37,673	1,043
2025-03-13	Bylund James	Chief Operating Officer	Award	381	—	—	24,340
2025-03-13	Bylund James	Chief Operating Officer	Tax	175	$142.44	$24,927	24,165
2025-03-03	Garland Jason K	EVP, Chief Financial Officer	Award	6,056	—	—	6,056
2025-03-03	Garland Jason K	EVP, Chief Financial Officer	Award	6,435	—	—	13,795
2025-03-03	KURIYEL RALF	Senior VP, R&D	Award	4,542	—	—	4,542
2025-03-03	KURIYEL RALF	Senior VP, R&D	Tax	386	$155.38	$59,977	16,062
2025-03-03	KURIYEL RALF	Senior VP, R&D	Award	4,826	—	—	16,448
2025-03-03	Hunt Anthony	Director	Tax	10,142	$155.38	$1,575,864	136,301
2025-03-03	Bylund James	Chief Operating Officer	Award	6,056	—	—	6,056
2025-03-03	Bylund James	Chief Operating Officer	Tax	1,239	$155.38	$192,516	23,959
2025-03-03	Bylund James	Chief Operating Officer	Award	6,435	—	—	25,198
2025-03-03	Loeillot Olivier	Chief Executive Officer	Award	14,480	—	—	46,693
2025-03-03	Loeillot Olivier	Chief Executive Officer	Award	13,627	—	—	13,627
2025-02-27	Garland Jason K	EVP, Chief Financial Officer	Tax	316	$156.54	$49,467	7,360
2025-02-27	Loeillot Olivier	Chief Executive Officer	Tax	343	$156.54	$53,693	32,213
2025-02-27	Bylund James	Chief Operating Officer	Tax	1,285	$156.54	$201,154	18,763
2025-02-27	KURIYEL RALF	Senior VP, R&D	Tax	391	$156.54	$61,207	11,622
2025-02-27	Hunt Anthony	Director	Tax	2,825	$156.54	$442,226	146,443
2025-02-24	KURIYEL RALF	Senior VP, R&D	Tax	275	$164.74	$45,304	12,013
2025-02-24	Bylund James	Chief Operating Officer	Tax	543	$164.74	$89,454	20,048
2025-02-24	Hunt Anthony	Director	Tax	2,380	$164.74	$392,081	149,268
2024-12-05	Hunt Anthony	Director	Convert	11,808	$33.87	$399,937	151,648
2024-12-05	Hunt Anthony	Director	Convert	11,808	—	—	8,856
2024-11-21	Hunt Anthony	Director	Convert	24,246	$33.87	$821,212	164,086
2024-11-21	Hunt Anthony	Director	Convert	24,246	—	—	0
2024-11-21	Hunt Anthony	Director	Sell	24,246	$139.67	$3,386,439	139,840
2024-11-20	Garland Jason K	EVP, Chief Financial Officer	Tax	367	$123.41	$45,291	7,676
2024-11-20	Loeillot Olivier	Chief Executive Officer	Tax	861	$123.41	$106,256	32,556