Insider Transactions For BIIB |
| 2026-04-01 | Godbout, Sean | Chief Accounting Officer | Purchased | 181 | $0.00 |
| 2026-04-01 | Godbout, Sean | Chief Accounting Officer | Sold | 181 | $0.00 |
| 2026-04-01 | Godbout, Sean | Chief Accounting Officer | Sold | 54 | $183.78 |
| 2026-02-13 | Gregory, Ginger | EVP, Human Resources | Purchased | 8025 | $0.00 |
| 2026-02-13 | Grogan, Jane | Head of Research | Purchased | 8450 | $0.00 |
| 2026-02-13 | Izzar, Rachid | Head of Global Product Strat. | Purchased | 7390 | $0.00 |
| 2026-02-13 | Keeney, Adam | Head of Corporate Development | Purchased | 8025 | $0.00 |
| 2026-02-13 | Kramer, Robin | Chief Financial Officer | Purchased | 8450 | $0.00 |
| 2026-02-13 | Murphy, Nicole | Head of Pharm Ops and Tech | Purchased | 10560 | $0.00 |
| 2026-02-13 | Viehbacher, Christopher | Director, President and CEO | Purchased | 38015 | $0.00 |
| 2026-02-13 | Alexander, Susan H | EVP Chief Legal Officer | Purchased | 8450 | $0.00 |
| 2026-02-13 | Godbout, Sean | Chief Accounting Officer | Purchased | 1800 | $0.00 |
| 2026-02-13 | Singhal, Priya | Head of Development | Purchased | 10560 | $0.00 |
| 2026-02-12 | Murphy, Nicole | Head of Pharm Ops and Tech | Purchased | 3 | $195.04 |
| 2026-02-09 | Singhal, Priya | Head of Development | Sold | 2660 | $199.83 |
| 2026-02-06 | Grogan, Jane | Head of Research | Sold | 407 | $201.18 |
| 2026-02-06 | Viehbacher, Christopher | Director, President and CEO | Sold | 4356 | $201.18 |
| 2026-02-06 | Viehbacher, Christopher | Director, President and CEO | Purchased | 9008 | $0.00 |
| 2026-02-06 | Alexander, Susan H | EVP Chief Legal Officer | Sold | 1940 | $0.00 |
| 2026-02-06 | Alexander, Susan H | EVP Chief Legal Officer | Sold | 2190 | $0.00 |