BIIB

Latest market price

202.19

+1.57+0.78%

BIIBQT74Biogen Inc.·NASDAQ

202.19+0.78%

Form category

Filing Date ▾	Form	Description	Filing	Document

Jul 01, 2026	8-K	Current report
Jun 11, 2026	4	Statement of changes in beneficial ownership
Jun 11, 2026	4	Statement of changes in beneficial ownership
Jun 11, 2026	4	Statement of changes in beneficial ownership
Jun 11, 2026	4	Statement of changes in beneficial ownership
Jun 11, 2026	4	Statement of changes in beneficial ownership
Jun 11, 2026	4	Statement of changes in beneficial ownership
Jun 11, 2026	4	Statement of changes in beneficial ownership
Jun 11, 2026	4	Statement of changes in beneficial ownership
Jun 11, 2026	4	Statement of changes in beneficial ownership
Jun 10, 2026	8-K	Current report
Jun 10, 2026	8-K/A	Current report (amended)
Jun 05, 2026	SC 13G/A	Beneficial ownership statement (passive, amended)
May 14, 2026	8-K	Current report
May 14, 2026	SC 13D/A	Beneficial ownership statement (active, amended)
May 14, 2026	SC TO-T/A	SC TO-T/A
May 12, 2026	SC TO-T/A	SC TO-T/A
May 06, 2026	SC TO-T/A	SC TO-T/A
May 06, 2026	SC 13G/A	Beneficial ownership statement (passive, amended)
May 05, 2026	4	Statement of changes in beneficial ownership
Apr 29, 2026	10-Q	Quarterly report
Apr 29, 2026	8-K	Current report
Apr 29, 2026	SC 13G	Beneficial ownership statement (passive)
Apr 28, 2026	DEFA14A	Additional proxy soliciting materials
Apr 28, 2026	DEF 14A	Definitive proxy statement

#1 / 25 of 429

Page

▼

/ 18