| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BIIB | Restricted Stock Unit | Award | $0 | +1,052 | $0.000000 | 1,052 | 08 Dec 2021 | Common Stock | 1,052 | $0.000000 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The restricted stock units vest in three (3) equal annual installments commencing on the first anniversary of the grant date of 12/8/2021. |