| Type | Value |
|---|---|
| cik | 0000875045 |
| ticker | BIIB |
Discretionary BUY minus SELL in USD over rolling windows. Excludes compensation flow.
| Date | Type | Insider | Qty | Price | Signals |
|---|---|---|---|---|---|
| 01 May 2026 | EXERCISE | Keeney Adam | 939 | 0.00 USD | |
| 01 May 2026 | TAX_WITHHOLDING | Keeney Adam | 455 | 187.06 USD | |
| 01 May 2026 | EXERCISE | Keeney Adam | 939 | 0.00 USD | deriv |
| 13 Feb 2026 | GRANT_AWARD | Godbout Sean | 1,800 | 0.00 USD | deriv |
| 13 Feb 2026 | GRANT_AWARD | ALEXANDER SUSAN H | 8,450 | 0.00 USD | deriv |
| 13 Feb 2026 | GRANT_AWARD | Singhal Priya | 10,560 | 0.00 USD | deriv |
| 13 Feb 2026 | GRANT_AWARD | Izzar Rachid | 7,390 | 0.00 USD | deriv |
| 12 Feb 2026 | PURCHASE | Murphy Nicole | 3 | 195.04 USD | |
| 13 Feb 2026 | GRANT_AWARD | Murphy Nicole | 10,560 | 0.00 USD | deriv |
| 13 Feb 2026 | GRANT_AWARD | Gregory Ginger | 8,025 | 0.00 USD | deriv |
| 13 Feb 2026 | GRANT_AWARD | Kramer Robin | 8,450 | 0.00 USD | deriv |
| 13 Feb 2026 | GRANT_AWARD | Keeney Adam | 8,025 | 0.00 USD | deriv |
| 13 Feb 2026 | GRANT_AWARD | Viehbacher Christopher | 38,015 | 0.00 USD | deriv |
| 13 Feb 2026 | GRANT_AWARD | Grogan Jane | 8,450 | 0.00 USD | deriv |
| 06 Feb 2026 | EXERCISE | Gregory Ginger | 3,746 | 0.00 USD | |
| 06 Feb 2026 | EXERCISE | Gregory Ginger | 1,635 | 0.00 USD | |
| 06 Feb 2026 | TAX_WITHHOLDING | Gregory Ginger | 791 | 201.18 USD | |
| 06 Feb 2026 | EXERCISE | Gregory Ginger | 1,802 | 0.00 USD | |
| 06 Feb 2026 | TAX_WITHHOLDING | Gregory Ginger | 666 | 201.18 USD | |
| 06 Feb 2026 | TAX_WITHHOLDING | Gregory Ginger | 1,132 | 201.18 USD | |
| 06 Feb 2026 | EXERCISE | Gregory Ginger | 3,746 | 0.00 USD | deriv |
| 06 Feb 2026 | EXERCISE | Gregory Ginger | 1,802 | 0.00 USD | deriv |
| 06 Feb 2026 | EXERCISE | Gregory Ginger | 1,635 | 0.00 USD | deriv |
| 06 Feb 2026 | TAX_WITHHOLDING | Grogan Jane | 584 | 201.18 USD | |
| 06 Feb 2026 | EXERCISE | Grogan Jane | 1,873 | 0.00 USD |