Yvonne Greenstreet, Chief Executive Officer at ALNYLAM PHARMACEUTICALS, INC. (ALNY), sold 17,839 shares at $452.69 ($8.1M) on 2025-10-02, disclosed to the SEC on 2025-10-03.
Open-market sale of $8.1M ALNY by Chief Executive Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $446.53 | 350 | $156K | 1.9% |
| 2 | $446.53 | 350 | $156K | 1.9% |
| 3 | $447.92 | 171 | $77K | 0.9% |
| 4 | $447.92 | 171 | $77K | 0.9% |
| 5 | $448.77 | 548 | $246K | 3.0% |
| 6 | $448.77 | 548 |
| $246K |
| 3.0% |
| 7 | $449.79 | 758 | $341K | 4.2% |
| 8 | $449.79 | 758 | $341K | 4.2% |
| 9 | $450.81 | 1,642 | $740K | 9.2% |
| 10 | $450.81 | 1,642 | $740K | 9.2% |
| 11 | $451.86 | 1,010 | $456K | 5.7% |
| 12 | $451.86 | 1,010 | $456K | 5.7% |
| 13 | $452.69 | 2,029 | $919K | 11.4% |
| 14 | $452.69 | 2,029 | $919K | 11.4% |
| 15 | $453.77 | 999 | $453K | 5.6% |
| 16 | $453.77 | 999 | $453K | 5.6% |
| 17 | $454.84 | 741 | $337K | 4.2% |
| 18 | $454.84 | 741 | $337K | 4.2% |
| 19 | $455.82 | 221 | $101K | 1.2% |
| 20 | $455.82 | 221 | $101K | 1.2% |
| 21 | $457.43 | 446 | $204K | 2.5% |
| 22 | $457.43 | 446 | $204K | 2.5% |
| 23 | $457.64 | 9 | $4K | 0.1% |
| Total | $452.05 avg | 17,839 | $8.1M | 100% |
| Filing → |
| ALNY | SELL | 2026-02-17 | $2.2M | — | Filing → |
| ALNY | SELL | 2026-01-14 | $3.5M | — | Filing → |
| ALNY | SELL | 2025-11-14 | $23.2M | — | Filing → |