BIIB Filing
8-KFiling Date: May 14, 2026

BIOGEN INC. (BIIB) · Material Event (8-K) SEC Filing

8-K

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ACC: 0001193125-26-222908open_in_new

Event Type

Material AgreementAcquisition/DispositionFinancial ObligationReg FD DisclosureFinancial Statements
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