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BIOGEN INC. Director's Dealing 2026

Feb 18, 2026

Director's Dealing

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Issuer: BIOGEN INC. (BIIB)
CIK: 0000875045
Period of Report: 2026-02-13

Reporting Person: Godbout Sean (Chief Accounting Officer)

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-13	Restricted Stock Unit	$0	A	1800	Acquired	2029-02-13	Common Stock (1800)	Direct

F1: The restricted stock units vest in three equal yearly installments beginning on the first anniversary of the grant date of February 13, 2026.