ScrutarSign up free

BIIB SEC Filings

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

FormFiledAccession
SC 13G/AamendedFMR LLCAug 6, 2026EDGAR
SC 13G/AamendedAbigail P. JohnsonAug 6, 2026EDGAR
SC 13G/AamendedFMR LLCJun 5, 2026EDGAR
SC 13G/AamendedAbigail P. JohnsonJun 5, 2026EDGAR
SC 13D/AamendedBIOGEN INC.May 14, 2026EDGAR
SC 13G/AamendedFMR LLCMay 6, 2026EDGAR
SC 13G/AamendedAbigail P. JohnsonMay 6, 2026EDGAR
SC 13GVanguard Capital ManagementApr 29, 2026EDGAR
SC 13DBIOGEN INC.Apr 6, 2026EDGAR
SC 13G/AamendedVANGUARD GROUP INCMar 26, 2026EDGAR
SC 13GFMR LLCFeb 5, 2026EDGAR
SC 13GAbigail P. JohnsonFeb 5, 2026EDGAR

Never miss a BIIB filing.

Get an email when BIIB files its next 8-K, Form 4, 10-K or 10-Q with the SEC. Free, no account needed.

Free foreverNo account requiredOne-click unsubscribe

Protected by reCAPTCHA. Privacy & Terms

Source: SEC EDGAR.