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BIIB SEC Filings

SEC filings for BIIB. Annual and quarterly reports, 8-K events,
Form 4 insider filings and 13D/G stake disclosures.

All10-K10-Q8-KForm 413D/GLast 12 months
FormFiledAccession
4Minor LloydAug 5, 2026EDGAR
4HAWKINS WILLIAM AJun 11, 2026EDGAR
4SHERWIN STEPHEN AJun 11, 2026EDGAR
4Rowinsky Eric KJun 11, 2026EDGAR
4Mantas Jesus BJun 11, 2026EDGAR
4LANGER SUSANJun 11, 2026EDGAR
4Patolawala Monish DJun 11, 2026EDGAR
4Pangalos Menelas NJun 11, 2026EDGAR
4Minor LloydJun 11, 2026EDGAR
4Freire Maria CJun 11, 2026EDGAR
4Keeney AdamHead of Corporate DevelopmentMay 5, 2026EDGAR
4Godbout SeanChief Accounting OfficerApr 3, 2026EDGAR
4Murphy NicoleHead of Pharm Ops and TechFeb 18, 2026EDGAR
4Viehbacher ChristopherPresident and CEOFeb 10, 2026EDGAR
4Singhal PriyaHead of DevelopmentFeb 10, 2026EDGAR
4Murphy NicoleHead of Pharm Ops and TechFeb 10, 2026EDGAR
4Kramer RobinChief Financial OfficerFeb 10, 2026EDGAR
4Keeney AdamHead of Corporate DevelopmentFeb 10, 2026EDGAR
4Izzar RachidHead of Global Product Strat.Feb 10, 2026EDGAR
4Grogan JaneHead of ResearchFeb 10, 2026EDGAR
4Gregory GingerEVP, Human ResourcesFeb 10, 2026EDGAR
4Godbout SeanChief Accounting OfficerFeb 10, 2026EDGAR
4ALEXANDER SUSAN HEVP Chief Legal OfficerFeb 10, 2026EDGAR
4Singhal PriyaHead of DevelopmentFeb 3, 2026EDGAR
4Viehbacher ChristopherPresident and CEODec 3, 2025EDGAR
4Grogan JaneHead of ResearchNov 4, 2025EDGAR
4Godbout SeanChief Accounting OfficerOct 6, 2025EDGAR
4Singhal PriyaHead of DevelopmentSep 2, 2025EDGAR

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Source: SEC EDGAR.