Biogen Inc.

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

SEC Filings

Form Filed Description
8-K May 14, 2026 8-K
SC TO-T/A May 14, 2026 SC TO-T/A
SC TO-T/A May 12, 2026 AMENDMENT NO. 2
SC TO-T/A May 6, 2026 AMENDMENT NO. 1
SCHEDULE 13G/A May 6, 2026
4 May 5, 2026 PRIMARY DOCUMENT
SCHEDULE 13G Apr 29, 2026
10-Q Apr 29, 2026 10-Q
8-K Apr 29, 2026 8-K
ARS Apr 28, 2026 ARS
DEFA14A Apr 28, 2026 DEFA14A
DEF 14A Apr 28, 2026 DEF 14A
SC TO-T Apr 14, 2026 SC TO-T
SC TO-C Apr 7, 2026 SCHEDULE TO
3 Apr 6, 2026
SCHEDULE 13D Apr 6, 2026
8-K Apr 6, 2026 8-K
SC TO-C Apr 3, 2026 SCHEDULE TO
4 Apr 3, 2026 PRIMARY DOCUMENT
SC TO-C Mar 31, 2026 SC TO-C
8-K Mar 31, 2026 8-K
SC TO-C Mar 31, 2026 SCHEDULE TO
SCHEDULE 13G/A Mar 26, 2026
8-K Mar 11, 2026 CURRENT REPORT
4 Feb 17, 2026 PRIMARY DOCUMENT
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