Recent filings by Biogen Inc.

Published Title Summary
2026-07-29 06:36:19 10-Q - BIOGEN INC. (0000875045) (Filer) Quarterly Report SEC-10-Q filed by Biogen Inc. on 2026-07-29 06:36:19-04:00...
Quarterly Report SEC-10-Q filed by Biogen Inc. on 2026-07-29 06:36:19-04:00
2026-07-29 06:10:24 8-K - BIOGEN INC. (0000875045) (Filer)
Item 2.02: Results of Operations and Financial Condition
Item 9.01:...

Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits
2026-07-01 16:08:37 8-K - BIOGEN INC. (0000875045) (Filer)
Item 2.02: Results of Operations and Financial Condition...

Item 2.02: Results of Operations and Financial Condition
2026-06-10 16:54:22 8-K - BIOGEN INC. (0000875045) (Filer)
Item 5.07: Submission of Matters to a Vote of Security...

Item 5.07: Submission of Matters to a Vote of Security Holders
2026-05-14 08:31:16 8-K - BIOGEN INC. (0000875045) (Filer)
Item 1.01: Entry into a Material Definitive Agreement
Item 2.01:...

Item 1.01: Entry into a Material Definitive Agreement
Item 2.01: Completion of Acquisition or Disposition of Assets
Item 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits
2026-04-29 06:40:54 10-Q - BIOGEN INC. (0000875045) (Filer) Quarterly Report SEC-10-Q filed by Biogen Inc. on 2026-04-29 06:40:54-04:00...
Quarterly Report SEC-10-Q filed by Biogen Inc. on 2026-04-29 06:40:54-04:00
2026-04-29 06:05:42 8-K - BIOGEN INC. (0000875045) (Filer)
Item 2.02: Results of Operations and Financial Condition
Item 9.01:...

Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits
2026-04-06 18:08:10 SCHEDULE 13D - BIOGEN INC. (0000875045) (Filed by) Active 5% Ownership Report SEC-SCHEDULE 13D filed by Biogen Inc....
Active 5% Ownership Report SEC-SCHEDULE 13D filed by Biogen Inc. on 2026-04-06 18:08:10-04:00
2026-04-06 06:31:37 8-K - BIOGEN INC. (0000875045) (Filer)
Item 2.02: Results of Operations and Financial Condition...

Item 2.02: Results of Operations and Financial Condition
2026-03-31 17:03:19 8-K - BIOGEN INC. (0000875045) (Filer)
Item 1.01: Entry into a Material Definitive Agreement
Item 8.01:...

Item 1.01: Entry into a Material Definitive Agreement
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits
2026-03-11 17:28:01 8-K - BIOGEN INC. (0000875045) (Filer)
Item 5.02: Departure of Directors or Certain Officers; Election of...

Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
2026-02-17 20:18:48 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-17 20:18:48-05:00
2026-02-17 20:17:51 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-17 20:17:51-05:00
2026-02-17 20:16:40 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-17 20:16:40-05:00
2026-02-17 20:14:49 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-17 20:14:49-05:00
2026-02-17 20:12:09 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-17 20:12:09-05:00
2026-02-17 20:11:16 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-17 20:11:16-05:00
2026-02-17 20:10:17 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-17 20:10:17-05:00
2026-02-17 20:09:09 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-17 20:09:09-05:00
2026-02-17 20:07:57 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-17 20:07:57-05:00
2026-02-17 20:05:49 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-17 20:05:49-05:00
2026-02-11 17:07:38 8-K - Current report Filed: 2026-02-11 AccNo: 0001193125-26-046803 Size: 131 KB
Item 5.02: Departure of...
Filed: 2026-02-11 AccNo: 0001193125-26-046803 Size: 131 KB
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 8.01: Other Events
2026-02-10 17:06:49 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-10 17:06:49-05:00
2026-02-10 17:05:47 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-10 17:05:47-05:00
2026-02-10 17:03:41 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-10 17:03:41-05:00
2026-02-10 17:02:17 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-10 17:02:17-05:00
2026-02-10 17:01:16 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-10 17:01:16-05:00
2026-02-10 17:00:19 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-10 17:00:19-05:00
2026-02-10 16:59:12 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-10 16:59:12-05:00
2026-02-10 16:58:07 4 - Statement of changes in beneficial ownership of securities Statement of changes in beneficial ownership of securities by insiders...
Statement of changes in beneficial ownership of securities by insiders SEC-4 filed by Biogen Inc. on 2026-02-10 16:58:07-05:00