4//SEC Filing
Viehbacher Christopher 4
Accession 0000875045-25-000052
CIK 0000875045other
Filed
Dec 2, 7:00 PM ET
Accepted
Dec 3, 4:42 PM ET
Size
8.4 KB
Accession
0000875045-25-000052
Insider Transaction Report
Form 4
BIOGEN INC.BIIB
Viehbacher Christopher
DirectorPresident and CEO
Transactions
- Exercise/Conversion
Common Stock
2025-12-01+7,040→ 19,847 total - Tax Payment
Common Stock
2025-12-01$177.78/sh−3,404$605,163→ 16,443 total - Exercise/Conversion
Restricted Stock Unit
2025-12-01−7,040→ 0 total→ Common Stock (7,040 underlying)
Footnotes (2)
- [F1]Each Restricted Stock Unit ("RSU") represents the right to receive, at settlement, one share of common stock.
- [F2]Each RSU vested on the third anniversary of the grant date of December 1, 2022.
Documents
Issuer
BIOGEN INC.
CIK 0000875045
Entity typeother
Related Parties
1- filerCIK 0001774478
Filing Metadata
- Form type
- 4
- Filed
- Dec 2, 7:00 PM ET
- Accepted
- Dec 3, 4:42 PM ET
- Size
- 8.4 KB