VIEHBACHER CHRISTOPHER

PrivateCIK: 1774478
Location

CAMBRIDGE, MA

InsiderVIEHBACHER CHRISTOPHERCIK 1774478
IssuerBIOGEN INC.CIK 875045
DirectorOfficer· President and CEO
Since Feb 2026
+38.02K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
1
Total transactions
38.02K acquired
Non-Derivative Transactions0
No non-derivative transactions reported
Derivative Transactions1

Restricted Stock Unit

Direct
A · Award
Converts to

Common Stock

38.02K shares

Shares

+38.02K

Strike price

0

Held after

38.02K

Exercisable

2/13/2026
VIEHBACHER CHRISTOPHER — Insider Transaction (Form 4) Filed Feb 17, 2026 | Finecho