Yvonne Greenstreet
CIK: 0001446125
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
ALNYLAM PHARMACEUTICALS, INC.
Discretionary Trading P&L
Holdings
Transaction History (141 total)
- Sep 19, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Award(A)Direct107 shares- - Mar 4, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct135 shares at avg. $319.03$43K - Mar 4, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct265 shares at avg. $325.67$86K - Mar 4, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct973 shares at avg. $323.84$315K - Mar 4, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct368 shares at avg. $321.82$118K - Mar 4, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct345 shares at avg. $324.88$112K - Mar 4, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct274 shares at avg. $320.81$88K - Mar 4, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct129 shares at avg. $320.01$41K - Mar 4, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct444 shares at avg. $323.01$143K - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct1.7K shares at avg. $326.81$545K - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct382 shares at avg. $324.65$124K - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct200 shares at avg. $323.62$65K - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct1.1K shares at avg. $325.63$358K - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct1.4K shares at avg. $327.67$458K - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Award(A)Direct13.8K shares- - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct160 shares at avg. $332.64$53K - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct399 shares at avg. $331.93$132K - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct424 shares at avg. $328.71$139K - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct722 shares at avg. $329.71$238K - Mar 2, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct346 shares at avg. $330.85$114K - Feb 27, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Exercise(M)Direct5.9K shares- - Feb 13, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct7K shares at avg. $310.08$2.2M - Feb 12, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Award(A)Direct14.2K shares- - Jan 12, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct247 shares at avg. $353.95$87K - Jan 12, 2026ALNY
ALNYLAM PHARMACEUTICALS, INC.
Sale(S)Direct269 shares at avg. $355.16$96K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 19, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Award(A) | 107 | - | $0 | Direct |
| Mar 4, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 135 | $319.03 | $43,069 | Direct |
| Mar 4, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 265 | $325.67 | $86,303 | Direct |
| Mar 4, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 973 | $323.84 | $315,096 | Direct |
| Mar 4, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 368 | $321.82 | $118,430 | Direct |
| Mar 4, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 345 | $324.88 | $112,084 | Direct |
| Mar 4, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 274 | $320.81 | $87,902 | Direct |
| Mar 4, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 129 | $320.01 | $41,281 | Direct |
| Mar 4, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 444 | $323.01 | $143,416 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 1,669 | $326.81 | $545,446 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 382 | $324.65 | $124,016 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 200 | $323.62 | $64,724 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 1,098 | $325.63 | $357,542 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 1,399 | $327.67 | $458,410 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Award(A) | 13,844 | - | $0 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 160 | $332.64 | $53,222 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 399 | $331.93 | $132,440 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 424 | $328.71 | $139,373 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 722 | $329.71 | $238,051 | Direct |
| Mar 2, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 346 | $330.85 | $114,474 | Direct |
| Feb 27, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Exercise(M) | 5,921 | - | $0 | Direct |
| Feb 13, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 6,958 | $310.08 | $2,157,542 | Direct |
| Feb 12, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Award(A) | 14,209 | - | $0 | Direct |
| Jan 12, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 247 | $353.95 | $87,426 | Direct |
| Jan 12, 2026 | ALNY ALNYLAM PHARMACEUTICALS, INC. | Sale(S) | 269 | $355.16 | $95,538 | Direct |
1-25 of 141 transactions
About Greenstreet Yvonne
Greenstreet Yvonne (SEC CIK 0001446125) files insider reports with the SEC as Chief Executive Officer of ALNYLAM PHARMACEUTICALS, INC. (ALNY).
Signal8 holds 17 ownership filings by Greenstreet Yvonne, all Form 4s, filed between Nov 27, 2024 and Sep 22, 2026. Those filings report 141 transactions, from Nov 25, 2024 to Sep 19, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Greenstreet Yvonne's filings is in CAMBRIDGE, MA.
Recent filings by Greenstreet Yvonne
- Sep 19, 2026: Grant or award of ALNY shares (Form 4, code A).
- Mar 4, 2026: Open-market sales of ALNY shares (8 lines, Form 4, code S).
- Mar 2, 2026: Open-market sales of ALNY shares (5 lines, Form 4, code S).
- Mar 2, 2026: Grant or award of ALNY shares (Form 4, code A).
- Mar 2, 2026: Open-market sales of ALNY shares (5 lines, Form 4, code S).
Other insiders filing for ALNYLAM PHARMACEUTICALS, INC. (ALNY)
- SUPRAN BRYAN, EVP, CLO and Secretary
- PYOTT DAVID E I, Director
- Cravatt Benjamin, Director
- Sigal Charles Elliott, Director
- SCHULMAN AMY W, Director
- Reitan Colleen F, Director