Stocks
ALNY ALNYLAM PHARMACEUTICALS, INC.

ALNY

ALNYLAM PHARMACEUTICALS, INC.

Company with tickers: ALNY

CIK

1178670

CUSIP

02043Q107

Shares Outstanding

132,623,144

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
2026-04-06	McLaughlin Melissa	Chief Human Resources Officer	Sell	56	$320.14	$17,928	11,673
2026-04-02	McLaughlin Melissa	Chief Human Resources Officer	Sell	265	$316.61	$83,902	13,088
2026-03-25	McLaughlin Melissa	Chief Human Resources Officer	Other	13,353	—	—	13,353
2026-03-25	McLaughlin Melissa	Chief Human Resources Officer	Other	0	—	—	0
2026-03-05	Garg Pushkal	EVP Chief R&D	Sell	654	$322.33	$210,804	20,443
2026-03-05	Fitzgerald Kevin Joseph	Director	Sell	124	$321.81	$39,904	21,103
2026-03-04	Garg Pushkal	EVP Chief R&D	Other	431	—	—	431
2026-03-04	Garg Pushkal	EVP Chief R&D	Sell	106	$319.03	$33,817	23,300
2026-03-04	Greenstreet Yvonne	Director, Chief Executive Officer	Sell	135	$319.03	$43,069	98,493
2026-03-04	Poulton Jeffrey V.	Director	Other	57	—	—	57
2026-03-04	Poulton Jeffrey V.	Director	Sell	114	$319.03	$36,369	64,159
2026-03-04	Fitzgerald Kevin Joseph	Director	Other	537	—	—	537
2026-03-04	Fitzgerald Kevin Joseph	Director	Sell	29	$319.03	$9,252	21,831
2026-03-04	Greenstreet Yvonne	Director, Chief Executive Officer	Other	407	—	—	407
2026-03-04	Tanguler Tolga	Director	Sell	106	$319.03	$33,817	36,500
2026-03-03	Fitzgerald Kevin Joseph	Director	Sell	289	$316.55	$91,483	23,223
2026-03-03	Garg Pushkal	EVP Chief R&D	Sell	355	$316.74	$112,443	24,826
2026-03-02	Tanguler Tolga	Director	Sell	47	$323.62	$15,210	38,157
2026-03-02	Tanguler Tolga	Director	Award	4,769	—	—	38,204
2026-03-02	Tanguler Tolga	Director	Award	10,480	—	—	10,480
2026-03-02	SUPRAN BRYAN	EVP, CLO and Secretary	Award	3,381	—	—	3,381
2026-03-02	SUPRAN BRYAN	EVP, CLO and Secretary	Award	1,539	—	—	14,565
2026-03-02	Greenstreet Yvonne	Director, Chief Executive Officer	Other	407	—	—	407
2026-03-02	Greenstreet Yvonne	Director, Chief Executive Officer	Award	13,844	—	—	105,427
2026-03-02	Greenstreet Yvonne	Director, Chief Executive Officer	Sell	200	$323.62	$64,724	105,227
2026-03-02	Greenstreet Yvonne	Director, Chief Executive Officer	Award	30,425	—	—	30,425
2026-03-02	Greenstreet Yvonne	Director, Chief Executive Officer	Award	110,746	—	—	110,746
2026-03-02	Fitzgerald Kevin Joseph	Director	Award	8,105	—	—	8,105
2026-03-02	Fitzgerald Kevin Joseph	Director	Award	3,688	—	—	25,110
2026-03-02	Fitzgerald Kevin Joseph	Director	Other	537	—	—	537
2026-03-02	Fitzgerald Kevin Joseph	Director	Sell	47	$323.62	$15,210	25,063
2026-03-02	Poulton Jeffrey V.	Director	Award	4,769	—	—	66,479
2026-03-02	Poulton Jeffrey V.	Director	Other	57	—	—	57
2026-03-02	Poulton Jeffrey V.	Director	Sell	65	$323.62	$21,035	66,414
2026-03-02	Poulton Jeffrey V.	Director	Award	10,480	—	—	10,480
2026-03-02	Garg Pushkal	EVP Chief R&D	Other	431	—	—	431
2026-03-02	Garg Pushkal	EVP Chief R&D	Sell	50	$323.62	$16,181	26,848
2026-03-02	Garg Pushkal	EVP Chief R&D	Award	10,480	—	—	10,480
2026-03-02	Garg Pushkal	EVP Chief R&D	Award	4,769	—	—	26,898
2026-02-27	Greenstreet Yvonne	Director, Chief Executive Officer	Convert	5,921	—	—	0
2026-02-27	Greenstreet Yvonne	Director, Chief Executive Officer	Convert	5,921	—	—	91,583
2026-02-27	Greenstreet Yvonne	Director, Chief Executive Officer	Other	407	—	—	407
2026-02-27	Poulton Jeffrey V.	Director	Convert	1,908	—	—	0
2026-02-27	Poulton Jeffrey V.	Director	Convert	1,908	—	—	61,710
2026-02-27	Poulton Jeffrey V.	Director	Other	57	—	—	57
2026-02-27	Tanguler Tolga	Director	Convert	1,666	—	—	0
2026-02-27	Tanguler Tolga	Director	Convert	1,666	—	—	33,435
2026-02-27	Garg Pushkal	EVP Chief R&D	Other	431	—	—	431
2026-02-27	Garg Pushkal	EVP Chief R&D	Sell	127	$328.92	$41,773	26,629
2026-02-27	Garg Pushkal	EVP Chief R&D	Convert	1,908	—	—	26,756
2026-02-27	Garg Pushkal	EVP Chief R&D	Convert	1,908	—	—	0
2026-02-23	Fitzgerald Kevin Joseph	Director	Other	537	—	—	537
2026-02-23	Fitzgerald Kevin Joseph	Director	Award	158	—	—	21,422
2026-02-17	Fitzgerald Kevin Joseph	Director	Sell	2,041	$331.96	$677,532	21,264
2026-02-13	Garg Pushkal	EVP Chief R&D	Sell	2,242	$310.08	$695,201	24,848
2026-02-13	Poulton Jeffrey V.	Director	Sell	2,242	$310.08	$695,201	59,802
2026-02-13	Tanguler Tolga	Director	Sell	1,959	$310.08	$607,448	31,769
2026-02-13	Fitzgerald Kevin Joseph	Director	Sell	1,959	$310.08	$607,448	23,305
2026-02-13	Greenstreet Yvonne	Director, Chief Executive Officer	Sell	6,958	$310.08	$2,157,542	85,662
2026-02-12	Garg Pushkal	EVP Chief R&D	Other	431	—	—	431
2026-02-12	Garg Pushkal	EVP Chief R&D	Award	4,579	—	—	27,090
2026-02-12	Poulton Jeffrey V.	Director	Award	4,579	—	—	62,044
2026-02-12	Poulton Jeffrey V.	Director	Other	57	—	—	57
2026-02-12	Tanguler Tolga	Director	Award	4,000	—	—	33,728
2026-02-12	Fitzgerald Kevin Joseph	Director	Award	4,000	—	—	25,264
2026-02-12	Fitzgerald Kevin Joseph	Director	Other	537	—	—	537
2026-02-12	Greenstreet Yvonne	Director, Chief Executive Officer	Other	407	—	—	407
2026-02-12	Greenstreet Yvonne	Director, Chief Executive Officer	Award	14,209	—	—	92,620
2026-01-13	Fitzgerald Kevin Joseph	Director	Sell	197	$367.52	$72,401	23,357
2026-01-12	Garg Pushkal	EVP Chief R&D	Sell	39	$353.95	$13,804	23,982
2026-01-12	Fitzgerald Kevin Joseph	Director	Sell	39	$353.95	$13,804	25,025
2026-01-12	Tanguler Tolga	Director	Sell	39	$353.95	$13,804	31,199
2026-01-12	Greenstreet Yvonne	Director, Chief Executive Officer	Sell	247	$353.95	$87,426	87,741
2026-01-12	Poulton Jeffrey V.	Director	Sell	72	$353.95	$25,484	60,173
2026-01-11	Garg Pushkal	EVP Chief R&D	Other	431	—	—	431
2026-01-11	Garg Pushkal	EVP Chief R&D	Award	3,800	—	—	24,021
2026-01-11	Fitzgerald Kevin Joseph	Director	Award	3,800	—	—	25,064
2026-01-11	Fitzgerald Kevin Joseph	Director	Other	537	—	—	537
2026-01-11	Tanguler Tolga	Director	Award	3,800	—	—	31,238
2026-01-11	Greenstreet Yvonne	Director, Chief Executive Officer	Other	407	—	—	407
2026-01-11	Greenstreet Yvonne	Director, Chief Executive Officer	Award	19,003	—	—	87,988
2026-01-11	Poulton Jeffrey V.	Director	Other	57	—	—	57
2026-01-11	Poulton Jeffrey V.	Director	Award	6,193	—	—	60,245
2026-01-05	Arbuckle Stuart A	EVP, COO	Award	3,279	—	—	3,279
2026-01-05	Arbuckle Stuart A	EVP, COO	Other	0	—	—	0
2025-11-26	Greenstreet Yvonne	Director, Chief Executive Officer	Other	407	—	—	407
2025-11-26	Greenstreet Yvonne	Director, Chief Executive Officer	Convert	839	$119.13	$99,950	66,248
2025-11-26	Greenstreet Yvonne	Director, Chief Executive Officer	Tax	1,121	$445.12	$498,980	68,985
2025-11-26	Greenstreet Yvonne	Director, Chief Executive Officer	Convert	2,352	—	—	0
2025-11-17	Fitzgerald Kevin Joseph	Director	Other	537	—	—	537
2025-11-17	Fitzgerald Kevin Joseph	Director	Sell	8,168	$449.00	$3,667,432	25,224
2025-11-17	Fitzgerald Kevin Joseph	Director	Convert	8,161	—	—	839
2025-11-17	Fitzgerald Kevin Joseph	Director	Convert	8,161	$119.13	$972,220	33,392
2025-11-13	Greenstreet Yvonne	Director, Chief Executive Officer	Convert	10,000	—	—	0
2025-11-13	Greenstreet Yvonne	Director, Chief Executive Officer	Convert	10,000	$119.13	$1,191,300	75,409
2025-11-13	Greenstreet Yvonne	Director, Chief Executive Officer	Sell	654	$447.73	$292,815	74,755
2025-11-12	Greenstreet Yvonne	Director, Chief Executive Officer	Convert	650	—	—	0
2025-11-12	Greenstreet Yvonne	Director, Chief Executive Officer	Sell	711	$448.07	$318,578	80,348
2025-11-12	Greenstreet Yvonne	Director, Chief Executive Officer	Other	407	—	—	407
2025-11-12	Greenstreet Yvonne	Director, Chief Executive Officer	Convert	650	$42.22	$27,443	66,059