BIOGEN INC (BIIB) Stock Ownership
NASDAQ:BIIB • US09062X1037
Current stock price
181.55 USD
-3.35 (-1.81%)
At close:
180.27 USD
-1.28 (-0.71%)
After Hours:
BIIB Ownership information
| Shares Outstanding | 146.76M |
| Float | 146.18M |
| Float Short Interest Percentage | 3.1% |
| Owners (insider) | 0.16% |
| Owners (institutional) | 97.35% |
| Owners (insider) change | 7.93% |
| Owners (institutional) change | 5.37% |
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Feb 12, 2026 | Murphy Nicole | Open Market Purchase | 3 | 195.04 | $ 585.11 |
| Feb 9, 2026 | Singhal Priya | Open Market Sale | 2660 | 199.83 | $ 531,547.80 |
| Feb 6, 2026 | Murphy Nicole | Option Excercise | 8725 | 0.00 | $ 0.00 |
| Feb 6, 2026 | Murphy Nicole | Option Excercise | 3339 | 201.18 | $ 671,740.02 |
| Feb 6, 2026 | Keeney Adam | Option Excercise | 5080 | 0.00 | $ 0.00 |
| Feb 6, 2026 | Keeney Adam | Option Excercise | 1583 | 201.18 | $ 318,467.94 |
| Feb 6, 2026 | Izzar Rachid | Option Excercise | 6889 | 0.00 | $ 0.00 |
| Feb 6, 2026 | Izzar Rachid | Option Excercise | 2038 | 201.18 | $ 410,004.84 |
| Feb 6, 2026 | Grogan Jane | Option Excercise | 3258 | 0.00 | $ 0.00 |
| Feb 6, 2026 | Grogan Jane | Option Excercise | 991 | 201.18 | $ 199,369.38 |
| Feb 6, 2026 | Gregory Ginger | Option Excercise | 7183 | 0.00 | $ 0.00 |
| Feb 6, 2026 | Gregory Ginger | Option Excercise | 2589 | 201.18 | $ 520,855.02 |
| Feb 6, 2026 | Godbout Sean | Option Excercise | 1079 | 0.00 | $ 0.00 |
| Feb 6, 2026 | Godbout Sean | Option Excercise | 359 | 201.18 | $ 72,223.62 |
| Feb 6, 2026 | ALEXANDER SUSAN H | Option Excercise | 9046 | 0.00 | $ 0.00 |
| Feb 6, 2026 | ALEXANDER SUSAN H | Option Excercise | 3504 | 201.18 | $ 704,934.72 |
| Feb 6, 2026 | Viehbacher Christopher | Option Excercise | 24461 | 0.00 | $ 0.00 |
| Feb 6, 2026 | Viehbacher Christopher | Option Excercise | 10980 | 201.18 | $ 2,208,956.40 |
| Feb 6, 2026 | Singhal Priya | Option Excercise | 6900 | 0.00 | $ 0.00 |
| Feb 6, 2026 | Singhal Priya | Option Excercise | 2468 | 201.18 | $ 496,512.24 |
| Feb 6, 2026 | Kramer Robin | Option Excercise | 5003 | 0.00 | $ 0.00 |
| Feb 6, 2026 | Kramer Robin | Option Excercise | 1543 | 201.18 | $ 310,420.74 |
| Feb 2, 2026 | Singhal Priya | Open Market Sale | 748 | 179.30 | $ 134,116.40 |
| Jan 30, 2026 | Singhal Priya | Option Excercise | 1829 | 0.00 | $ 0.00 |
| Jan 30, 2026 | Singhal Priya | Option Excercise | 582 | 179.89 | $ 104,695.98 |
| Dec 1, 2025 | Viehbacher Christopher | Option Excercise | 7040 | 0.00 | $ 0.00 |
| Dec 1, 2025 | Viehbacher Christopher | Option Excercise | 3404 | 177.78 | $ 605,163.12 |
| Oct 31, 2025 | Grogan Jane | Option Excercise | 695 | 0.00 | $ 0.00 |
| Oct 31, 2025 | Grogan Jane | Option Excercise | 337 | 154.27 | $ 51,988.99 |
| Oct 2, 2025 | Godbout Sean | Option Excercise | 26 | 0.00 | $ 0.00 |
| Oct 2, 2025 | Godbout Sean | Option Excercise | 8 | 155.25 | $ 1,242.00 |
| Sep 2, 2025 | Singhal Priya | Open Market Sale | 517 | 133.55 | $ 69,045.35 |
| Aug 29, 2025 | Singhal Priya | Option Excercise | 1669 | 0.00 | $ 0.00 |
| Aug 29, 2025 | Singhal Priya | Option Excercise | 807 | 132.22 | $ 106,701.54 |
| Jun 17, 2025 | Rowinsky Eric K | Grant | 2370 | 0.00 | $ 0.00 |
| Jun 17, 2025 | SHERWIN STEPHEN A | Grant | 2370 | 0.00 | $ 0.00 |
| Jun 17, 2025 | LANGER SUSAN | Grant | 2370 | 0.00 | $ 0.00 |
| Jun 17, 2025 | DORSA CAROLINE | Grant | 3160 | 0.00 | $ 0.00 |
| Jun 17, 2025 | Minor Lloyd | Grant | 2370 | 0.00 | $ 0.00 |
| Jun 17, 2025 | Patolawala Monish D | Grant | 2370 | 0.00 | $ 0.00 |
| Jun 17, 2025 | Mantas Jesus B | Grant | 2370 | 0.00 | $ 0.00 |
| Jun 17, 2025 | HAWKINS WILLIAM A | Grant | 2370 | 0.00 | $ 0.00 |
| Jun 17, 2025 | Freire Maria C | Grant | 2370 | 0.00 | $ 0.00 |
| May 19, 2025 | Singhal Priya | Open Market Sale | 3806 | 126.25 | $ 480,507.50 |
| May 2, 2025 | DORSA CAROLINE | Open Market Purchase | 1235 | 122.72 | $ 151,559.20 |
| May 1, 2025 | Keeney Adam | Option Excercise | 938 | 0.00 | $ 0.00 |
| May 1, 2025 | Keeney Adam | Option Excercise | 454 | 120.93 | $ 54,902.22 |