Form 4 Tracker
Christopher Viehbacher

Director, President and CEO · 2 filings · Latest: Feb 13, 2026

BIOGEN INC.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
BIIB
Christopher ViehbacherDirector, President and CEOFeb 6, 2026
Option Exercise
$0.0024,46136,548