BIIB Insider Activity
View recent SEC Form 4 insider transactions for BIIB, including purchases, sales, option exercises, and other insider filings.
| Date | Insider | Type | Quantity | Price | Total Value | Shares Owned |
|---|---|---|---|---|---|---|
| Oct 30, 2026 | Grogan Jane | Tax Withheld | 345 | $253.62 | $87,498.90 | 4,408 |
| Oct 30, 2026 | Grogan Jane | Exercise | 695 | $0.00 | $0.00 | 4,753 |
| Oct 02, 2026 | Godbout Sean | Tax Withheld | 8 | $219.88 | $1,759.04 | 1,458 |
| Oct 02, 2026 | Godbout Sean | Exercise | 27 | $0.00 | $0.00 | 1,466 |
| Aug 04, 2026 | Minor Lloyd | Sale | 593 | $200.96 | $119,169.28 | 2,689 |
| Aug 03, 2026 | Minor Lloyd | Sale | 593 | $203.34 | $120,580.62 | 3,282 |
| Jun 09, 2026 | Freire Maria C | Grant | 2,005 | $0.00 | $0.00 | 8,820 |
| Jun 09, 2026 | HAWKINS WILLIAM A | Grant | 1,505 | $0.00 | $0.00 | 10,365 |
| Jun 09, 2026 | LANGER SUSAN | Grant | 1,505 | $0.00 | $0.00 | 6,634 |
| Jun 09, 2026 | Mantas Jesus B | Grant | 1,505 | $0.00 | $0.00 | 11,263 |
| Jun 09, 2026 | Minor Lloyd | Grant | 1,505 | $0.00 | $0.00 | 3,875 |
| Jun 09, 2026 | Pangalos Menelas N | Grant | 1,505 | $0.00 | $0.00 | 3,875 |
| Jun 09, 2026 | Pangalos Menelas N | Exercise | 2,370 | $0.00 | $0.00 | 2,370 |
| Jun 09, 2026 | Patolawala Monish D | Grant | 1,505 | $0.00 | $0.00 | 5,215 |
| Jun 09, 2026 | Rowinsky Eric K | Grant | 1,505 | $0.00 | $0.00 | 25,844 |
| Jun 09, 2026 | SHERWIN STEPHEN A | Grant | 1,505 | $0.00 | $0.00 | 15,193 |
Showing 16 of 16