Form 4 holding
President and CEO, Director
BIOGEN INC.
- Security class
- Common Stock
- Shares / value
- 29,924
- Estimated value
- $6,020,110
- Report date
- 06 Feb 2026
- Price
- $201.18
- Ownership
- Direct
Christopher Viehbacher - President and CEO, Director at BIOGEN INC.
Issuer-level insider activity
- Role
- President and CEO, Director
- Issuer ticker
- BIIB on Nasdaq
- Entity type
- Individual
- Source filing history
- Open source filing history
Identity
Names, identifiers, and filing context for this profile.
1 identity field
Source evidence
Original filing metadata and source links for verification.
1 source field
No buys or sells have been reported by Christopher Viehbacher since 11 Aug 2025
Reported holdings for Christopher Viehbacher in BIOGEN INC.
Form 4 holding
President and CEO, Director
BIOGEN INC.
- Security class
- Restricted Stock Unit
- Shares / value
- 38,015
- Estimated value
- $2,546,703
- Report date
- 13 Feb 2026
- Price
- $141.35
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
Transaction history for Christopher Viehbacher in BIOGEN INC.
| Sym | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares after | Date | Ownership |
|---|
* marks a reported price that did not pass the local price check.