Insider · CIK 0001458494

Akshay Vaishnaw

Period1M 3M 6M 1Y 2Y All datashares as filed — not split-adjusted

Open-market buys & salesbuys $0 · 0sales $23.9M · 7net −$23.9M

Reported trades — common stock

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake	Flags
Apr 16, 2018 AFJForm 4 →	Aug 14, 6:55 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	2,547	$90.95	$69,668	395	—	plan? late
Mar 14, 2018 SForm 4 →	Mar 16, 5:05 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	88,554	$143.10	$12,672,126	11,215	−88.8%	plan?
Mar 14, 2018 MForm 4 →	Mar 16, 5:05 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	88,554	$17.03	$1,507,842	99,769	—	plan?
Dec 19, 2017 GForm 4 →	Dec 21, 4:45 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	320	—	—	11,215	—	plan?
Oct 30, 2017 SForm 4 →	Nov 1, 5:33 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	33,666	$121.46	$4,088,967	11,535	−74.5%	plan?
Oct 30, 2017 MForm 4 →	Nov 1, 5:33 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	33,666	$21.35	$718,769	45,201	—	plan?
Jun 13, 2017 FMForm 4 →	Jun 15, 5:45 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	2,098	$30.49	$63,961	11,535	—	plan?
May 23, 2017 SForm 4 →	May 25, 6:39 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	11,000	$75.00	$825,000	10,297	−51.7%	plan?
May 23, 2017 MForm 4 →	May 25, 6:39 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	11,000	$21.35	$234,850	21,297	—	plan?
May 15, 2017 SForm 4 →	May 17, 6:31 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	43,750	$65.00	$2,843,750	10,297	−80.9%	plan?
May 15, 2017 MForm 4 →	May 17, 6:31 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	43,750	$28.87	$1,262,873	21,297	—	plan?
Dec 30, 2016 FMForm 4 →	Jan 4, 2017, 5:30 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	14,547	$25.74	$374,451	10,297	—	plan?
Nov 30, 2016 SForm 4 →	Dec 2, 4:59 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	29,165	$44.99	$1,311,998	5,750	−83.5%	plan?
Nov 30, 2016 MForm 4 →	Dec 2, 4:59 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	29,165	$22.75	$663,504	34,915	—	plan?
Nov 25, 2015 MForm 4 →	Nov 30, 5:45 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	5,750	$17.35	$99,750	5,750	—	plan?
Jun 16, 2015 SForm 4 →	Jun 18, 4:38 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	8,750	$128.83	$1,127,239	0	−100%	plan?
Jun 16, 2015 MForm 4 →	Jun 18, 4:38 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	8,750	$8.67	$75,875	8,750	—	plan?
Mar 17, 2015 SForm 4 →	Mar 19, 5:30 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	8,750	$116.86	$1,022,568	0	−100%	plan?
Mar 17, 2015 MForm 4 →	Mar 19, 5:30 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	8,750	$8.67	$75,875	8,750	—	plan?

Reported trades — derivatives (options, RSUs, warrants)

Trade	Reported (ET)	Company	Shares	Avg price	Total	Owned after	Δ stake
Feb 28, 2019 AForm 4 →	Mar 1, 6:10 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	32,500	—	—	32,500	—
Sep 27, 2018 AForm 4 →	Sep 28, 4:57 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	13,750	—	—	12,500	—
Aug 21, 2018 AForm 4 →	Aug 23, 4:15 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	7,500	—	—	15,000	—
Aug 10, 2018 AForm 4 →	Aug 14, 6:55 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	22,539	—	—	35,125	—
Jun 15, 2018 AForm 4 →	Jun 19, 4:04 pm EDT	Editas Medicine, Inc.EDIT	11,538	—	—	11,538	—
Mar 14, 2018 MForm 4 →	Mar 16, 5:05 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	88,554	—	—	0	—
Mar 1, 2018 AForm 4 →	Mar 5, 5:49 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	25,000	—	—	25,000	—
Dec 20, 2017 AForm 4 →	Dec 21, 4:45 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	6,250	—	—	6,250	—
Nov 6, 2017 AForm 4 →	Nov 8, 5:26 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	7,500	—	—	7,500	—
Oct 30, 2017 MForm 4 →	Nov 1, 5:33 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	33,666	—	—	0	—
Sep 20, 2017 AForm 4 →	Sep 22, 5:11 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	10,834	—	—	10,834	—
Jul 7, 2017 AForm 4 →	Jul 11, 4:35 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	11,709	—	—	23,418	—
Jun 15, 2017 AForm 4 →	Jun 19, 4:04 pm EDT	Editas Medicine, Inc.EDIT	11,538	—	—	11,538	—
Jun 13, 2017 MForm 4 →	Jun 15, 5:45 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	1,668	—	—	33,666	—
May 23, 2017 MForm 4 →	May 25, 6:39 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	11,000	—	—	33,994	—
May 15, 2017 MForm 4 →	May 17, 6:31 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	43,750	—	—	0	—
Dec 30, 2016 MForm 4 →	Jan 4, 2017, 5:30 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	9,547	—	—	55,994	—
Dec 20, 2016 AForm 4 →	Dec 22, 4:19 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	25,000	—	—	25,000	—
Nov 30, 2016 MForm 4 →	Dec 2, 4:59 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	29,165	—	—	0	—
Jul 28, 2016 AForm 4 →	Jul 29, 5:04 pm EDT	Editas Medicine, Inc.EDIT	23,076	—	—	23,076	—
Feb 23, 2016 AForm 4 →	Feb 25, 7:03 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	10,000	—	—	10,000	—
Feb 1, 2016 AForm 4 →	Feb 3, 5:33 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	11,709	—	—	11,709	—
Dec 18, 2015 AForm 4 →	Dec 22, 4:52 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	30,000	—	—	30,000	—
Nov 25, 2015 MForm 4 →	Nov 30, 5:45 pm EST	ALNYLAM PHARMACEUTICALS, INC.ALNY	5,750	—	—	29,165	—
Jun 16, 2015 MForm 4 →	Jun 18, 4:38 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	8,750	—	—	0	—
May 1, 2015 AForm 4 →	May 5, 5:57 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	35,125	—	—	35,125	—
Mar 17, 2015 MForm 4 →	Mar 19, 5:30 pm EDT	ALNYLAM PHARMACEUTICALS, INC.ALNY	8,750	—	—	6,250	—