4//SEC Filing
Grogan Jane 4
Accession 0000875045-25-000051
CIK 0000875045other
Filed
Nov 3, 7:00 PM ET
Accepted
Nov 4, 4:12 PM ET
Size
8.2 KB
Accession
0000875045-25-000051
Insider Transaction Report
Form 4
BIOGEN INC.BIIB
Grogan Jane
Head of Research
Transactions
- Tax Payment
Common Stock
2025-10-31$154.27/sh−337$51,989→ 1,791 total - Exercise/Conversion
Restricted Stock Unit
2025-10-31−695→ 695 totalExercise: $0.00Exp: 2026-11-01→ Common Stock (695 underlying) - Exercise/Conversion
Common Stock
2025-10-31+695→ 2,128 total
Footnotes (1)
- [F1]The restricted stock units vest in three equal yearly installments beginning on the first anniversary of the grant date of November 1, 2023.
Documents
Issuer
BIOGEN INC.
CIK 0000875045
Entity typeother
Related Parties
1- filerCIK 0001995547
Filing Metadata
- Form type
- 4
- Filed
- Nov 3, 7:00 PM ET
- Accepted
- Nov 4, 4:12 PM ET
- Size
- 8.2 KB