Christopher Viehbacher

Insider Reports History

Location
Cambridge, MA
Signature
/s/ Wendell Taylor, attorney-in-fact for Christopher A. Viehbacher
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Christopher Viehbacher:

Company Role Class Num Shares Value Price $ Report Date Ownership
BIOGEN INC. President and CEO, Director Common Stock 16,443 $2,923,236 $177.78 01 Dec 2025 Direct
BIOGEN INC. President and CEO, Director Restricted Stock Unit 0 $2,546,703 $141.35 01 Dec 2025 Direct

Insider Reports Filed by Christopher Viehbacher

Symbol Company Period Transactions Value $ Form Type Role Filing Time
BIIB BIOGEN INC. 01 Dec 2025 3 -$605,163 4 President and CEO, Director 03 Dec 2025, 16:42
BIIB BIOGEN INC. 06 Feb 2025 4 -$452,461 4 President and CEO, Director 10 Feb 2025, 18:55
BIIB BIOGEN INC. 07 Feb 2024 1 $0 4 President and CEO, Director 09 Feb 2024, 19:56
BIIB BIOGEN INC. 01 Dec 2022 3 $0 4 President and CEO, Director 05 Dec 2022, 16:11
BIIB BIOGEN INC. 14 Nov 2022 0 $0 3 President and CEO, Director 21 Nov 2022, 17:41