Yvonne Greenstreet, Chief Executive Officer at ALNYLAM PHARMACEUTICALS, INC. (ALNY), sold 51,300 shares at $456.64 ($23.2M) on 2025-11-12, disclosed to the SEC on 2025-11-14.
Scheduled sale ($23.2M) by Chief Executive Officer under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $448.07 | 711 | $319K | 1.4% |
| 2 | $448.07 | 711 | $319K | 1.4% |
| 3 | $449.15 | 2,132 | $958K | 4.1% |
| 4 | $449.15 | 2,132 | $958K | 4.1% |
| 5 | $450.17 | 453 | $204K | 0.9% |
| 6 | $450.17 | 453 |
| $204K |
| 0.9% |
| 7 | $451.16 | 1,255 | $566K | 2.4% |
| 8 | $451.16 | 1,255 | $566K | 2.4% |
| 9 | $452.43 | 1,210 | $547K | 2.4% |
| 10 | $452.43 | 1,210 | $547K | 2.4% |
| 11 | $453.52 | 1,069 | $485K | 2.1% |
| 12 | $453.52 | 1,069 | $485K | 2.1% |
| 13 | $454.84 | 1,960 | $891K | 3.8% |
| 14 | $454.84 | 1,960 | $891K | 3.8% |
| 15 | $455.56 | 3,406 | $1.6M | 6.7% |
| 16 | $455.56 | 3,406 | $1.6M | 6.7% |
| 17 | $456.64 | 2,420 | $1.1M | 4.8% |
| 18 | $456.64 | 2,420 | $1.1M | 4.8% |
| 19 | $457.71 | 604 | $276K | 1.2% |
| 20 | $457.71 | 604 | $276K | 1.2% |
| 21 | $458.42 | 430 | $197K | 0.8% |
| 22 | $458.42 | 430 | $197K | 0.8% |
| 23 | $447.73 | 654 | $293K | 1.3% |
| 24 | $447.73 | 654 | $293K | 1.3% |
| 25 | $448.76 | 1,013 | $455K | 2.0% |
| 26 | $448.76 | 1,013 | $455K | 2.0% |
| 27 | $450.02 | 1,477 | $665K | 2.9% |
| 28 | $450.02 | 1,477 | $665K | 2.9% |
| 29 | $450.69 | 2,218 | $1000K | 4.3% |
| 30 | $450.69 | 2,218 | $1000K | 4.3% |
| 31 | $451.94 | 1,702 | $769K | 3.3% |
| 32 | $451.94 | 1,702 | $769K | 3.3% |
| 33 | $452.85 | 1,599 | $724K | 3.1% |
| 34 | $452.85 | 1,599 | $724K | 3.1% |
| 35 | $453.99 | 881 | $400K | 1.7% |
| 36 | $453.99 | 881 | $400K | 1.7% |
| 37 | $454.69 | 195 | $89K | 0.4% |
| 38 | $454.69 | 195 | $89K | 0.4% |
| 39 | $456.03 | 261 | $119K | 0.5% |
| 40 | $456.03 | 261 | $119K | 0.5% |
| Total | $452.75 avg | 51,300 | $23.2M | 100% |
| Filing → |
| ALNY | SELL | 2026-02-17 | $2.2M | — | Filing → |
| ALNY | SELL | 2026-01-14 | $3.5M | — | Filing → |
| ALNY | SELL | 2025-10-03 | $8.1M | — | Filing → |