| Date | Issuer | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| Biogen Inc. Head of Corporate Development | F | Common Stock | |||||
| Biogen Inc. Head of Corporate Development | M | Common Stock | |||||
| Biogen Inc. Head of Corporate Development | M | Restricted Stock Unit | |||||
| Biogen Inc. Head of Corporate Development | A | Restricted Stock Unit | |||||
| Biogen Inc. Head of Corporate Development | F | Common Stock |