| Insiders | Shares | % | Avg Price | Total $ | |
|---|---|---|---|---|---|
| Buys | 0 | ||||
| Sells | 9 | -291,089 | 100% | $379.99 | -$110,611,308 |
| Net | -9 | -291,089 | -100% | -$110,611,308 |
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Report Date |
|---|---|---|---|---|---|
| Phillip A. Sharp | Director | $73,397,225 | 23 Jan 2025 | ||
| John Maraganore | Chief Executive Officer, Director | $42,771,115 | 21 Dec 2021 | ||
| Yvonne Greenstreet | Chief Executive Officer, Director | $32,741,532 | -$43,154,196 | -57% | 04 Mar 2026 |
| Jeffrey V Poulton | EVP, Chief Financial Officer | $20,612,165 | -$5,982,129 | -22% | 04 Mar 2026 |
| Tolga Tanguler | EVP, Chief Commercial Officer | $11,576,190 | -$5,250,478 | -31% | 04 Mar 2026 |
| Michael W. Bonney | Director | $8,824,800 | -$8,186,717 | -48% | 18 Aug 2025 |
| Kevin Joseph Fitzgerald | CSO & EVP, Head of Research | $6,883,494 | -$11,370,630 | -62% | 04 Mar 2026 |
| Pushkal Garg | EVP Chief R&D | $6,780,647 | -$12,287,949 | -64% | 04 Mar 2026 |
| David E. I. Pyott | Director | $6,711,522 | -$2,224,560 | -25% | 08 May 2025 |
| Bryan A. Supran | EVP, CLO and Secretary | $4,694,008 | 02 Mar 2026 | ||
| Akshay Vaishnaw | President | $4,315,918 | 03 Aug 2023 | ||
| Amy W. Schulman | Director | $2,786,314 | 08 May 2025 | ||
| Robert W. Hesslein | EVP, CLO and Secretary | $1,943,926 | 03 Mar 2025 | ||
| Dennis A. Ausiello | Director | $1,532,503 | -$13,729,536 | -90% | 14 Aug 2025 |
| Laurie B. Keating | EVP, Chief Legal Officer | $1,031,491 | 05 Aug 2021 | ||
| Indrani Lall Franchini | EVP, CLO & Secretary | $914,785 | 27 Feb 2024 | ||
| Charles Elliott Sigal | Director | $646,436 | 08 May 2025 | ||
| Colleen F. Reitan | Director | $372,759 | -$8,425,113 | -96% | 09 Sep 2025 |
| Margaret A. Hamburg | Director | $212,217 | 08 May 2025 | ||
| Steven M. Paul | Director | $185,320 | 01 Apr 2022 | ||
| Olivier Brandicourt | Director | $180,536 | 08 May 2025 | ||
| Peter N. Kellogg | Director | $180,536 | 08 May 2025 | ||
| Carolyn R. Bertozzi | Director | $180,536 | 08 May 2025 | ||
| Stuart A. Arbuckle | Director | 05 Jan 2026 | |||
| Marsha Fanucci | Director | 18 May 2023 |
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Pushkal Garg | ALNY | Common Stock | Sale | -11.4% | $778,812 | $323.96 | -2,404 | 18,693 | 05 Mar 2026 | Direct |
| Kevin Joseph Fitzgerald | ALNY | Common Stock | Sale | -3.1% | $213,177 | $323.98 | -658 | 20,569 | 05 Mar 2026 | Direct |
| Pushkal Garg | ALNY | Common Stock | Sale | -9.86% | $745,984 | $323.08 | -2,309 | 21,097 | 04 Mar 2026 | Direct |
| Yvonne Greenstreet | ALNY | Common Stock | Sale | -2.97% | $947,581 | $323.08 | -2,933 | 95,695 | 04 Mar 2026 | Direct |
| Jeffrey V Poulton | ALNY | Common Stock | Sale | -3.84% | $797,351 | $323.08 | -2,468 | 61,805 | 04 Mar 2026 | Direct |
| Tolga Tanguler | ALNY | Common Stock | Sale | -6.31% | $745,984 | $323.08 | -2,309 | 34,297 | 04 Mar 2026 | Direct |
| Kevin Joseph Fitzgerald | ALNY | Common Stock | Sale | -2.9% | $204,508 | $323.08 | -633 | 21,227 | 04 Mar 2026 | Direct |
| Pushkal Garg | ALNY | Common Stock | Sale | -7.05% | $567,546 | $319.74 | -1,775 | 23,406 | 03 Mar 2026 | Direct |
| Kevin Joseph Fitzgerald | ALNY | Common Stock | Sale | -7.03% | $528,189 | $319.73 | -1,652 | 21,860 | 03 Mar 2026 | Direct |
| Jeffrey V Poulton | ALNY | Common Stock | Sale | -3.32% | $722,801 | $327.65 | -2,206 | 64,273 | 02 Mar 2026 | Direct |
| Jeffrey V Poulton | ALNY | Common Stock | Award | 7.73% | 4,769 | 66,479 | 02 Mar 2026 | Direct | ||
| Jeffrey V Poulton | ALNY | Stock Option (right to buy) | Award | 10,480 | 10,480 | 02 Mar 2026 | Direct | |||
| Pushkal Garg | ALNY | Common Stock | Sale | -6.38% | $562,585 | $327.66 | -1,717 | 25,181 | 02 Mar 2026 | Direct |
| Pushkal Garg | ALNY | Common Stock | Award | 21.6% | 4,769 | 26,898 | 02 Mar 2026 | Direct | ||
| Pushkal Garg | ALNY | Stock Option (right to buy) | Award | 10,480 | 10,480 | 02 Mar 2026 | Direct | |||
| Kevin Joseph Fitzgerald | ALNY | Common Stock | Sale | -6.36% | $523,584 | $327.65 | -1,598 | 23,512 | 02 Mar 2026 | Direct |
| Kevin Joseph Fitzgerald | ALNY | Common Stock | Award | 17.2% | 3,688 | 25,110 | 02 Mar 2026 | Direct | ||
| Kevin Joseph Fitzgerald | ALNY | Stock Option (right to buy) | Award | 8,105 | 8,105 | 02 Mar 2026 | Direct | |||
| Tolga Tanguler | ALNY | Common Stock | Sale | -4.18% | $523,584 | $327.65 | -1,598 | 36,606 | 02 Mar 2026 | Direct |
| Tolga Tanguler | ALNY | Common Stock | Award | 14.3% | 4,769 | 38,204 | 02 Mar 2026 | Direct | ||
| Tolga Tanguler | ALNY | Stock Option (right to buy) | Award | 10,480 | 10,480 | 02 Mar 2026 | Direct | |||
| Bryan A. Supran | ALNY | Common Stock | Award | 11.8% | 1,539 | 14,565 | 02 Mar 2026 | Direct | ||
| Bryan A. Supran | ALNY | Stock Option (right to buy) | Award | 3,381 | 3,381 | 02 Mar 2026 | Direct | |||
| Yvonne Greenstreet | ALNY | Common Stock | Sale | -6.45% | $2,227,698 | $327.65 | -6,799 | 98,628 | 02 Mar 2026 | Direct |
| Yvonne Greenstreet | ALNY | Common Stock | Award | 15.1% | 13,844 | 105,427 | 02 Mar 2026 | Direct | ||
| Yvonne Greenstreet | ALNY | Stock Price Performance Stock Unit | Award | 110,746 | 110,746 | 02 Mar 2026 | Direct | |||
| Yvonne Greenstreet | ALNY | Stock Option (right to buy) | Award | 30,425 | 30,425 | 02 Mar 2026 | Direct | |||
| Yvonne Greenstreet | ALNY | Common Stock | Options Exercise | 6.91% | 5,921 | 91,583 | 27 Feb 2026 | Direct | ||
| Yvonne Greenstreet | ALNY | Restricted Stock Units | Options Exercise | -100% | -5,921 | 0 | 27 Feb 2026 | Direct | ||
| Jeffrey V Poulton | ALNY | Common Stock | Options Exercise | 3.19% | 1,908 | 61,710 | 27 Feb 2026 | Direct | ||
| Jeffrey V Poulton | ALNY | Restricted Stock Units | Options Exercise | -100% | -1,908 | 0 | 27 Feb 2026 | Direct | ||
| Tolga Tanguler | ALNY | Common Stock | Options Exercise | 5.24% | 1,666 | 33,435 | 27 Feb 2026 | Direct | ||
| Tolga Tanguler | ALNY | Restricted Stock Units | Options Exercise | -100% | -1,666 | 0 | 27 Feb 2026 | Direct | ||
| Pushkal Garg | ALNY | Common Stock | Sale | -17.3% | $1,533,100 | $331.34 | -4,627 | 22,129 | 27 Feb 2026 | Direct |
| Pushkal Garg | ALNY | Common Stock | Options Exercise | 7.68% | 1,908 | 26,756 | 27 Feb 2026 | Direct | ||
| Pushkal Garg | ALNY | Restricted Stock Units | Options Exercise | -100% | -1,908 | 0 | 27 Feb 2026 | Direct | ||
| Kevin Joseph Fitzgerald | ALNY | Common Stock | Award | 0.74% | 158 | 21,422 | 23 Feb 2026 | Direct | ||
| Kevin Joseph Fitzgerald | ALNY | Common Stock | Sale | -8.76% | $677,532 | $331.96 | -2,041 | 21,264 | 17 Feb 2026 | Direct |
| Pushkal Garg | ALNY | Common Stock | Sale | -8.28% | $695,201 | $310.08 | -2,242 | 24,848 | 13 Feb 2026 | Direct |
| Yvonne Greenstreet | ALNY | Common Stock | Sale | -7.51% | $2,157,542 | $310.08 | -6,958 | 85,662 | 13 Feb 2026 | Direct |
| Tolga Tanguler | ALNY | Common Stock | Sale | -5.81% | $607,448 | $310.08 | -1,959 | 31,769 | 13 Feb 2026 | Direct |
| Kevin Joseph Fitzgerald | ALNY | Common Stock | Sale | -7.75% | $607,448 | $310.08 | -1,959 | 23,305 | 13 Feb 2026 | Direct |
| Jeffrey V Poulton | ALNY | Common Stock | Sale | -3.61% | $695,201 | $310.08 | -2,242 | 59,802 | 13 Feb 2026 | Direct |
| Pushkal Garg | ALNY | Common Stock | Award | 20.3% | 4,579 | 27,090 | 12 Feb 2026 | Direct | ||
| Yvonne Greenstreet | ALNY | Common Stock | Award | 18.1% | 14,209 | 92,620 | 12 Feb 2026 | Direct | ||
| Tolga Tanguler | ALNY | Common Stock | Award | 13.5% | 4,000 | 33,728 | 12 Feb 2026 | Direct | ||
| Kevin Joseph Fitzgerald | ALNY | Common Stock | Award | 18.8% | 4,000 | 25,264 | 12 Feb 2026 | Direct | ||
| Jeffrey V Poulton | ALNY | Common Stock | Award | 7.97% | 4,579 | 62,044 | 12 Feb 2026 | Direct | ||
| Kevin Joseph Fitzgerald | ALNY | Common Stock | Sale | -9.72% | $848,065 | $370.33 | -2,290 | 21,264 | 13 Jan 2026 | Direct |
| Pushkal Garg | ALNY | Common Stock | Sale | -6.29% | $547,929 | $362.87 | -1,510 | 22,511 | 12 Jan 2026 | Direct |