Biogen Inc.

BIIB ·Healthcare, Drug Manufacturers - General, United States
Financial Statements › SEC Filings

SEC Filings

Form Filed Description
4 Oct 5, 2026 PRIMARY DOCUMENT
4 Sep 3, 2026 PRIMARY DOCUMENT
3 Aug 12, 2026 PRIMARY DOCUMENT
SCHEDULE 13G/A Aug 6, 2026
4 Aug 5, 2026 PRIMARY DOCUMENT
144 Aug 4, 2026
144 Aug 3, 2026
10-Q Jul 29, 2026 10-Q
8-K Jul 29, 2026 8-K
8-K Jul 1, 2026 8-K
4 Jun 11, 2026 PRIMARY DOCUMENT
4 Jun 11, 2026 PRIMARY DOCUMENT
4 Jun 11, 2026 PRIMARY DOCUMENT
4 Jun 11, 2026 PRIMARY DOCUMENT
4 Jun 11, 2026 PRIMARY DOCUMENT
4 Jun 11, 2026 PRIMARY DOCUMENT
4 Jun 11, 2026 PRIMARY DOCUMENT
4 Jun 11, 2026 PRIMARY DOCUMENT
4 Jun 11, 2026 PRIMARY DOCUMENT
8-K Jun 10, 2026 CURRENT REPORT
8-K/A Jun 10, 2026 CURRENT REPORT
SCHEDULE 13G/A Jun 5, 2026
SCHEDULE 13D/A May 14, 2026
8-K May 14, 2026 8-K
SC TO-T/A May 14, 2026 SC TO-T/A
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