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BIIBNasdaq SEC EDGAR

BIOGEN INC.

Biological Products, (No Diagnostic Substances)·CAMBRIDGE, MA·FY end 12/31·CIK 875045

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Recent SEC filings

Showing 20View on EDGAR

42026-05-05PRIMARY DOCUMENT 10-Q2026-04-2910-Q 8-K2026-04-298-K DEF 14A2026-04-28DEF 14A DEFA14A2026-04-28DEFA14A 8-K2026-04-068-K 42026-04-03PRIMARY DOCUMENT 8-K2026-03-318-K 8-K2026-03-11CURRENT REPORT 42026-02-17PRIMARY DOCUMENT 42026-02-17PRIMARY DOCUMENT 42026-02-17PRIMARY DOCUMENT 42026-02-17PRIMARY DOCUMENT 42026-02-17PRIMARY DOCUMENT 42026-02-17PRIMARY DOCUMENT 42026-02-17PRIMARY DOCUMENT 42026-02-17PRIMARY DOCUMENT 42026-02-17PRIMARY DOCUMENT 42026-02-17PRIMARY DOCUMENT 8-K2026-02-118-K

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