Yvonne Greenstreet Insider Trading Activity

Corporate InsiderCEO · CIK 1446125

Total trades

$43.1M

Total volume

Mar 4, 2026

Last activity

ALNY

ALNYLAM PHARMACEUTICALS, INC.

Yvonne Greenstreet has been net-selling over the last 12 months with 0 purchases and 79 sales across 1 company.

ALNY is the most-traded position with 79 trades. The largest single transaction was a sale of ALNY for $2.2M on Feb 13, 2026.

Performance Scorecard

Forward stock performance after each transaction by Yvonne Greenstreet. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	—	+6.0%	74%	82
90 days	—	+11.1%	87%	82
120 days	—	+16.9%	96%	82

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

Pro: Trade Markers

ALNY · ALNYLAM PHARMACEUTICALS, INC.

🔒 Subscribe to see trade entries

Pro members see exactly when Yvonne Greenstreet bought and sold ALNY.

Upgrade to Pro

Recent Trades

Showing the 50 most recent of 82 disclosed trades.

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
Mar 4, 2026	ALNY	Sell	135	$319.03	$43K	−0.1%	CEO
Mar 4, 2026	ALNY	Sell	129	$320.01	$41K	−0.1%	CEO
Mar 4, 2026	ALNY	Sell	274	$320.81	$88K	−0.3%	CEO
Mar 4, 2026	ALNY	Sell	368	$321.82	$118K	−0.4%	CEO
Mar 4, 2026	ALNY	Sell	444	$323.01	$143K	−0.5%	CEO
Mar 4, 2026	ALNY	Sell	973	$323.84	$315K	−1.0%	CEO
Mar 4, 2026	ALNY	Sell	345	$324.88	$112K	−0.4%	CEO
Mar 4, 2026	ALNY	Sell	265	$325.67	$86K	−0.3%	CEO
Mar 2, 2026	ALNY	Sell	200	$323.62	$65K	−0.2%	CEO
Mar 2, 2026	ALNY	Sell	382	$324.65	$124K	−0.4%	CEO
Mar 2, 2026	ALNY	Sell	1,098	$325.63	$358K	−1.0%	CEO
Mar 2, 2026	ALNY	Sell	1,669	$326.81	$545K	−1.6%	CEO
Mar 2, 2026	ALNY	Sell	1,399	$327.67	$458K	−1.4%	CEO
Mar 2, 2026	ALNY	Sell	424	$328.71	$139K	−0.4%	CEO
Mar 2, 2026	ALNY	Sell	722	$329.71	$238K	−0.7%	CEO
Mar 2, 2026	ALNY	Sell	346	$330.85	$114K	−0.3%	CEO
Mar 2, 2026	ALNY	Sell	399	$331.93	$132K	−0.4%	CEO
Mar 2, 2026	ALNY	Sell	160	$332.64	$53K	−0.2%	CEO
Feb 13, 2026	ALNY	Sell	6,958	$310.08	$2.2M	−7.5%	CEO
Jan 12, 2026	ALNY	Sell	247	$353.95	$87K	−0.3%	CEO
Jan 12, 2026	ALNY	Sell	269	$355.16	$96K	−0.3%	CEO
Jan 12, 2026	ALNY	Sell	263	$356.09	$94K	−0.3%	CEO
Jan 12, 2026	ALNY	Sell	607	$357.17	$217K	−0.7%	CEO
Jan 12, 2026	ALNY	Sell	778	$358.18	$279K	−0.9%	CEO
Jan 12, 2026	ALNY	Sell	537	$359.14	$193K	−0.6%	CEO
Jan 12, 2026	ALNY	Sell	980	$360.22	$353K	−1.1%	CEO
Jan 12, 2026	ALNY	Sell	624	$361.45	$226K	−0.7%	CEO
Jan 12, 2026	ALNY	Sell	464	$362.38	$168K	−0.6%	CEO
Jan 12, 2026	ALNY	Sell	301	$363.55	$109K	−0.4%	CEO
Jan 12, 2026	ALNY	Sell	1,259	$364.83	$459K	−1.5%	CEO
Jan 12, 2026	ALNY	Sell	1,395	$365.56	$510K	−1.7%	CEO
Jan 12, 2026	ALNY	Sell	316	$366.41	$116K	−0.4%	CEO
Jan 12, 2026	ALNY	Sell	261	$367.40	$96K	−0.3%	CEO
Jan 12, 2026	ALNY	Sell	584	$368.62	$215K	−0.7%	CEO
Jan 12, 2026	ALNY	Sell	253	$369.48	$93K	−0.3%	CEO
Jan 12, 2026	ALNY	Sell	118	$370.87	$44K	−0.1%	CEO
Jan 12, 2026	ALNY	Sell	21	$372.46	$8K	−0.0%	CEO
Jan 12, 2026	ALNY	Sell	88	$374.44	$33K	−0.1%	CEO
Jan 12, 2026	ALNY	Sell	94	$377.82	$36K	−0.1%	CEO
Nov 13, 2025	ALNY	Sell	1,013	$448.76	$455K	−1.4%	CEO
Nov 13, 2025	ALNY	Sell	654	$447.73	$293K	−0.9%	CEO
Nov 13, 2025	ALNY	Sell	1,477	$450.02	$665K	−2.0%	CEO
Nov 13, 2025	ALNY	Sell	2,218	$450.69	$1000K	−3.1%	CEO
Nov 13, 2025	ALNY	Sell	1,702	$451.94	$769K	−2.4%	CEO
Nov 13, 2025	ALNY	Sell	1,599	$452.85	$724K	−2.3%	CEO
Nov 13, 2025	ALNY	Sell	881	$453.99	$400K	−1.3%	CEO
Nov 13, 2025	ALNY	Sell	195	$454.69	$89K	−0.3%	CEO
Nov 13, 2025	ALNY	Sell	261	$456.03	$119K	−0.4%	CEO
Nov 12, 2025	ALNY	Sell	604	$457.71	$276K	−0.9%	CEO
Nov 12, 2025	ALNY	Sell	430	$458.42	$197K	−0.7%	CEO