06/18/2025 3:42 PM | Biogen (Issuer) SHERWIN STEPHEN A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/18/2025 3:44 PM | Biogen (Issuer) Rowinsky Eric K (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/18/2025 3:45 PM | Biogen (Issuer) Freire Maria C (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/18/2025 3:46 PM | Biogen (Issuer) HAWKINS WILLIAM A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/18/2025 3:47 PM | Biogen (Issuer) Mantas Jesus B (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/18/2025 3:53 PM | Biogen (Issuer) Patolawala Monish D (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/18/2025 3:34 PM | Biogen (Issuer) DORSA CAROLINE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/18/2025 3:38 PM | Biogen (Issuer) LANGER SUSAN (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/02/2025 8:20 AM | Biogen (Filer)
| Form DEFA14A | |
05/19/2025 10:24 AM | Biogen (Subject) Singhal Priya (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/12/2025 3:45 PM | Biogen (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
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05/08/2025 8:07 AM | Biogen (Filer)
| Form 424B2 Transaction specifc information for a delayed shelf offering | |
05/06/2025 4:26 PM | Biogen (Subject)
| Form FWP | |
05/06/2025 7:54 AM | Biogen (Filer)
| Form 424B2 Transaction specifc information for a delayed shelf offering | |
05/05/2025 3:17 PM | Biogen (Issuer) DORSA CAROLINE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/05/2025 3:19 PM | Biogen (Issuer) Keeney Adam (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/01/2025 4:21 PM | Biogen (Filer)
| Form S-3ASR | |
05/01/2025 5:52 AM | Biogen (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/25/2025 8:38 PM | Biogen (Filer)
| Form DEF 14A | |
04/25/2025 8:40 PM | Biogen (Filer)
| Form DEFA14A | |
04/25/2025 8:42 PM | Biogen (Filer)
| Form ARS | |
03/07/2025 3:18 PM | Biogen (Subject) SHERWIN STEPHEN A (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
02/12/2025 4:40 PM | Biogen (Issuer) Izzar Rachid (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/12/2025 4:42 PM | ALEXANDER SUSAN H (Reporting) Biogen (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/12/2025 4:43 PM | Biogen (Issuer) Gregory Ginger (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/12/2025 4:44 PM | Biogen (Issuer) Kramer Robin (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/12/2025 4:46 PM | Biogen (Issuer) MCDONNELL MICHAEL R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/12/2025 4:47 PM | Biogen (Issuer) Murphy Nicole (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/12/2025 4:48 PM | Biogen (Issuer) Singhal Priya (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/12/2025 4:28 PM | Biogen (Filer)
| Form 10-K Annual report pursuant to Section 13 or 15(d) | |
02/12/2025 6:06 AM | Biogen (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
02/11/2025 8:52 PM | Biogen (Issuer) Izzar Rachid (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2025 5:55 PM | Biogen (Issuer) Viehbacher Christopher (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2025 5:59 PM | Biogen (Issuer) MCDONNELL MICHAEL R (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2025 5:42 PM | ALEXANDER SUSAN H (Reporting) Biogen (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2025 5:44 PM | Biogen (Issuer) Gregory Ginger (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2025 5:45 PM | Biogen (Issuer) Singhal Priya (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2025 5:47 PM | Biogen (Issuer) Murphy Nicole (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2025 5:48 PM | Biogen (Issuer) Kramer Robin (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2025 5:49 PM | Biogen (Issuer) Izzar Rachid (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/10/2025 5:51 PM | Biogen (Issuer) Keeney Adam (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
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02/10/2025 5:52 PM | Biogen (Issuer) Grogan Jane (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
02/03/2025 5:02 PM | Biogen (Issuer) Singhal Priya (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
01/15/2025 7:00 AM | Biogen (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
01/10/2025 4:34 PM | Biogen (Filed by) Sage Therapeutics, Inc. (Subject)
| Form SCHEDULE 13D | |
01/07/2025 3:14 PM | Biogen (Issuer) Pangalos Menelas N (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
12/09/2024 3:56 PM | Biogen (Issuer) Kramer Robin (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/09/2024 3:57 PM | Biogen (Issuer) Singhal Priya (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
12/09/2024 9:33 AM | Biogen (Subject) Singhal Priya (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
11/07/2024 3:23 PM | ALEXANDER SUSAN H (Reporting) Biogen (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
11/04/2024 10:20 AM | Biogen (Subject) VANGUARD GROUP INC (Filed by)
| Form SC 13G/A | |
10/30/2024 3:45 PM | Biogen (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/30/2024 3:31 PM | Biogen (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
10/30/2024 5:55 AM | Biogen (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
10/16/2024 11:11 AM | Biogen (Subject) STATE STREET CORP (Filed by)
| Form SC 13G | |
10/07/2024 6:08 PM | Biogen (Issuer) Minor Lloyd (Reporting)
| Form 3 Initial statement of beneficial ownership of securities | |
09/12/2024 6:31 AM | Biogen (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
09/05/2024 5:00 AM | Biogen (Issuer) Singhal Priya (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
09/03/2024 12:00 PM | Biogen (Subject) Singhal Priya (Reporting)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
08/16/2024 5:40 PM | Biogen (Filed by) SANGAMO THERAPEUTICS, INC (Subject)
| Form SC 13G/A | |
08/01/2024 5:55 AM | Biogen (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/25/2024 4:01 PM | Biogen (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/25/2024 4:06 PM | Biogen (Issuer) DORSA CAROLINE (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/25/2024 4:13 PM | Biogen (Issuer) Freire Maria C (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/25/2024 4:14 PM | Biogen (Issuer) HAWKINS WILLIAM A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/25/2024 4:15 PM | Biogen (Issuer) Patolawala Monish D (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/25/2024 4:16 PM | Biogen (Issuer) LANGER SUSAN (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/25/2024 4:18 PM | Biogen (Issuer) Rowinsky Eric K (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/25/2024 4:19 PM | Biogen (Issuer) Mantas Jesus B (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |
06/25/2024 4:20 PM | Biogen (Issuer) SHERWIN STEPHEN A (Reporting)
| Form 4 Statement of changes in beneficial ownership of securities | |