ALNYLAM PHARMACEUTICALS INC (ALNY) Stock Ownership
NASDAQ:ALNY • US02043Q1076
331.24 USD
+3.88 (+1.19%)
At close: Feb 26, 2026
332 USD
+0.76 (+0.23%)
After Hours: 2/26/2026, 8:10:10 PM
| Shares Outstanding | 132.11M |
| Float | 131.24M |
| Float Short Interest Percentage | 4.02% |
| Owners (insider) | 0.2% |
| Owners (institutional) | 99.97% |
| Owners (insider) change | 9.01% |
| Owners (institutional) change | -1.7% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Feb 23, 2026 | Fitzgerald Kevin Joseph | Grant | 158 | 0.00 | $ 0.00 |
| Feb 13, 2026 | Poulton Jeffrey V. | Open Market Sale | 2242 | 310.08 | $ 695,201.15 |
| Feb 13, 2026 | Garg Pushkal | Open Market Sale | 2242 | 310.08 | $ 695,201.15 |
| Feb 13, 2026 | Greenstreet Yvonne | Open Market Sale | 6958 | 310.08 | $ 2,157,542.21 |
| Feb 13, 2026 | Tanguler Tolga | Open Market Sale | 1959 | 310.08 | $ 607,448.29 |
| Feb 13, 2026 | Fitzgerald Kevin Joseph | Open Market Sale | 4000 | 321.24 | $ 1,284,979.87 |
| Feb 12, 2026 | Garg Pushkal | Grant | 4579 | 0.00 | $ 0.00 |
| Feb 12, 2026 | Greenstreet Yvonne | Grant | 14209 | 0.00 | $ 0.00 |
| Feb 12, 2026 | Tanguler Tolga | Grant | 4000 | 0.00 | $ 0.00 |
| Feb 12, 2026 | Fitzgerald Kevin Joseph | Grant | 4000 | 0.00 | $ 0.00 |
| Feb 12, 2026 | Poulton Jeffrey V. | Grant | 4579 | 0.00 | $ 0.00 |
| Jan 12, 2026 | Garg Pushkal | Open Market Sale | 1510 | 362.87 | $ 547,928.97 |
| Jan 12, 2026 | Greenstreet Yvonne | Open Market Sale | 9577 | 362.86 | $ 3,475,156.51 |
| Jan 12, 2026 | Poulton Jeffrey V. | Open Market Sale | 2780 | 362.87 | $ 1,008,765.87 |
| Jan 12, 2026 | Tanguler Tolga | Open Market Sale | 1510 | 362.87 | $ 547,927.38 |
| Jan 12, 2026 | Fitzgerald Kevin Joseph | Open Market Sale | 3800 | 367.37 | $ 1,395,992.00 |
| Jan 11, 2026 | Garg Pushkal | Grant | 3800 | 0.00 | $ 0.00 |
| Jan 11, 2026 | Greenstreet Yvonne | Grant | 19003 | 0.00 | $ 0.00 |
| Jan 11, 2026 | Poulton Jeffrey V. | Grant | 6193 | 0.00 | $ 0.00 |
| Jan 11, 2026 | Tanguler Tolga | Grant | 3800 | 0.00 | $ 0.00 |
| Jan 11, 2026 | Fitzgerald Kevin Joseph | Grant | 3800 | 0.00 | $ 0.00 |
| Nov 26, 2025 | Greenstreet Yvonne | Option Excercise | 4697 | 106.40 | $ 499,756.23 |
| Nov 26, 2025 | Greenstreet Yvonne | Option Excercise | 1121 | 445.12 | $ 498,979.52 |
| Nov 17, 2025 | Fitzgerald Kevin Joseph | Option Excercise | 8161 | 119.13 | $ 972,219.93 |
| Nov 17, 2025 | Fitzgerald Kevin Joseph | Open Market Sale | 12128 | 452.18 | $ 5,483,989.61 |
| Nov 12, 2025 | Greenstreet Yvonne | Option Excercise | 25650 | 117.18 | $ 3,005,693.00 |
| Nov 12, 2025 | Greenstreet Yvonne | Open Market Sale | 25650 | 452.75 | $ 11,613,003.42 |
| Oct 2, 2025 | Poulton Jeffrey V. | Open Market Sale | 3821 | 452.05 | $ 1,727,283.60 |
| Oct 2, 2025 | Tanguler Tolga | Open Market Sale | 1405 | 452.05 | $ 635,126.28 |
| Oct 2, 2025 | Greenstreet Yvonne | Open Market Sale | 8924 | 452.05 | $ 4,034,084.66 |
| Oct 2, 2025 | Garg Pushkal | Open Market Sale | 5959 | 451.76 | $ 2,692,061.89 |
| Oct 2, 2025 | Fitzgerald Kevin Joseph | Open Market Sale | 2441 | 452.05 | $ 1,103,451.46 |
| Oct 1, 2025 | Garg Pushkal | Grant | 5959 | 0.00 | $ 0.00 |
| Oct 1, 2025 | Fitzgerald Kevin Joseph | Grant | 4953 | 0.00 | $ 0.00 |
| Oct 1, 2025 | SUPRAN BRYAN | Grant | 13026 | 0.00 | $ 0.00 |
| Oct 1, 2025 | Poulton Jeffrey V. | Grant | 7752 | 0.00 | $ 0.00 |
| Oct 1, 2025 | Tanguler Tolga | Grant | 2851 | 0.00 | $ 0.00 |
| Oct 1, 2025 | Greenstreet Yvonne | Grant | 18112 | 0.00 | $ 0.00 |
| Sep 9, 2025 | Reitan Colleen F | Option Excercise | 18000 | 100.65 | $ 1,811,700.00 |
| Sep 9, 2025 | Reitan Colleen F | Open Market Sale | 18000 | 467.60 | $ 8,416,729.64 |
| Aug 29, 2025 | Tanguler Tolga | Open Market Sale | 3474 | 448.37 | $ 1,557,649.44 |
| Aug 18, 2025 | Garg Pushkal | Open Market Sale | 2851 | 455.89 | $ 1,299,745.87 |
| Aug 18, 2025 | Tanguler Tolga | Open Market Sale | 1396 | 453.27 | $ 632,758.71 |
| Aug 18, 2025 | Greenstreet Yvonne | Open Market Sale | 6979 | 453.27 | $ 3,163,345.74 |
| Aug 18, 2025 | Poulton Jeffrey V. | Open Market Sale | 2274 | 453.27 | $ 1,030,727.12 |
| Aug 18, 2025 | BONNEY MICHAEL W | Option Excercise | 11250 | 70.20 | $ 789,750.00 |
| Aug 18, 2025 | BONNEY MICHAEL W | Open Market Sale | 11250 | 450.00 | $ 5,062,500.00 |
| Aug 18, 2025 | Fitzgerald Kevin Joseph | Open Market Sale | 1396 | 453.27 | $ 632,758.71 |
| Aug 15, 2025 | Garg Pushkal | Grant | 2851 | 0.00 | $ 0.00 |
| Aug 15, 2025 | Tanguler Tolga | Grant | 2851 | 0.00 | $ 0.00 |
| Aug 15, 2025 | Greenstreet Yvonne | Grant | 14252 | 0.00 | $ 0.00 |
| Aug 15, 2025 | Poulton Jeffrey V. | Grant | 4644 | 0.00 | $ 0.00 |
| Aug 15, 2025 | Fitzgerald Kevin Joseph | Grant | 2851 | 0.00 | $ 0.00 |
| Aug 14, 2025 | Ausiello Dennis A | Option Excercise | 31448 | 131.34 | $ 4,130,478.34 |
| Aug 14, 2025 | Ausiello Dennis A | Open Market Sale | 31448 | 436.58 | $ 13,729,535.65 |
| Jul 1, 2025 | Fitzgerald Kevin Joseph | Grant | 7763 | 0.00 | $ 0.00 |
| May 30, 2025 | Greenstreet Yvonne | Option Excercise | 50937 | 118.56 | $ 6,039,206.73 |
| May 30, 2025 | Greenstreet Yvonne | Open Market Sale | 50937 | 305.00 | $ 15,535,784.00 |
| May 16, 2025 | Greenstreet Yvonne | Other Disposition | 8376 | 0.00 | $ 0.00 |
| May 15, 2025 | BONNEY MICHAEL W | Option Excercise | 11250 | 131.21 | $ 1,476,112.50 |
| May 15, 2025 | BONNEY MICHAEL W | Open Market Sale | 11250 | 277.71 | $ 3,124,216.94 |
| May 8, 2025 | HAMBURG MARGARET A | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | KELLOGG PETER N | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | PYOTT DAVID E I | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | Reitan Colleen F | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | SCHULMAN AMY W | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | Sigal Charles Elliott | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | Bertozzi Carolyn R | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | Ausiello Dennis A | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | BONNEY MICHAEL W | Grant | 775 | 0.00 | $ 0.00 |
| May 8, 2025 | BRANDICOURT OLIVIER | Grant | 775 | 0.00 | $ 0.00 |
| May 2, 2025 | Greenstreet Yvonne | Other Disposition | 41311 | 0.00 | $ 0.00 |
| Mar 24, 2025 | Garg Pushkal | Option Excercise | 5445 | 42.22 | $ 229,887.90 |
| Mar 24, 2025 | PYOTT DAVID E I | Option Excercise | 7440 | 88.95 | $ 661,788.00 |
| Mar 24, 2025 | PYOTT DAVID E I | Open Market Sale | 7440 | 299.00 | $ 2,224,560.00 |
| Mar 21, 2025 | Garg Pushkal | Open Market Sale | 9766 | 293.36 | $ 2,864,985.00 |
| Mar 13, 2025 | SCHULMAN AMY W | Option Excercise | 2750 | 131.21 | $ 360,827.50 |
| Mar 3, 2025 | Hesslein Robert W. | Grant | 757 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Fitzgerald Kevin Joseph | Grant | 3871 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Fitzgerald Kevin Joseph | Open Market Sale | 2755 | 242.94 | $ 669,304.07 |
| Mar 3, 2025 | Tanguler Tolga | Grant | 14137 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Tanguler Tolga | Open Market Sale | 471 | 243.78 | $ 114,820.42 |
| Mar 3, 2025 | Garg Pushkal | Grant | 14137 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Garg Pushkal | Open Market Sale | 2557 | 242.92 | $ 621,150.40 |
| Mar 3, 2025 | Poulton Jeffrey V. | Grant | 15117 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Poulton Jeffrey V. | Open Market Sale | 1264 | 243.78 | $ 308,140.61 |
| Mar 3, 2025 | Greenstreet Yvonne | Grant | 17965 | 0.00 | $ 0.00 |
| Mar 3, 2025 | Greenstreet Yvonne | Open Market Sale | 3877 | 243.79 | $ 945,164.88 |
| Feb 28, 2025 | Greenstreet Yvonne | Open Market Sale | 2900 | 241.69 | $ 700,893.68 |
| Feb 28, 2025 | Poulton Jeffrey V. | Open Market Sale | 796 | 241.70 | $ 192,389.99 |
| Feb 28, 2025 | Tanguler Tolga | Open Market Sale | 513 | 241.68 | $ 123,983.10 |
| Feb 28, 2025 | Garg Pushkal | Open Market Sale | 935 | 241.69 | $ 225,976.83 |
| Feb 28, 2025 | Fitzgerald Kevin Joseph | Open Market Sale | 496 | 241.69 | $ 119,877.91 |