Christopher Viehbacher

Director; Director, President and CEO · 3 filings · Latest: Aug 5, 2026

BIOGEN INC.

Braveheart Bio, Inc.

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Filing
BRVE	Christopher Viehbacher	Director	Aug 7, 2026	Purchase	$18.00	83,333	$1.5M	609,519	Aug 7 8:31 PM
BIIB	Christopher Viehbacher	Director, President and CEO	Feb 6, 2026	Option Exercise	$0.00	24,461	—	36,548	Feb 10 10:06 PM