BIIB
Biogen·NASDAQ
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BIIB Filings
Filing Date
Form Description
Form Type
2026-03-26
Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
2026-03-26 ·
Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
2026-03-11
Form 8-K - Current report
Key Events
2026-03-11 · Key Events
Form 8-K - Current report
2026-02-17
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-02-17 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-02-17
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-02-17 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-02-17
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-02-17 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-02-17
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-02-17 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-02-17
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-02-17 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-02-17
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-02-17 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-02-17
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-02-17 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2026-02-17
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2026-02-17 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
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