09/02/2025
4:56 PM | Biogen (Issuer)
Singhal Priya (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
09/02/2025
11:54 AM | Biogen (Subject)
Singhal Priya (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
07/31/2025
5:05 AM | Biogen (Filer)
| Form 10-Q
General form for quarterly reports under Section 13 or 15(d) | |
07/31/2025
5:13 AM | Biogen (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
07/30/2025
4:56 PM | Biogen (Filed by)
Sage Therapeutics, Inc. (Subject)
| Form SCHEDULE 13D/A | |
07/21/2025
8:18 PM | Biogen (Filed by)
Sage Therapeutics, Inc. (Subject)
| Form SCHEDULE 13D/A | |
07/16/2025
4:55 PM | Biogen (Issuer)
Izzar Rachid (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
07/08/2025
2:26 PM | Biogen (Subject)
Izzar Rachid (Reporting)
| Form 144
Notice of proposed sale of securities pursuant to Rule 144 | |
07/07/2025
3:10 PM | Biogen (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/23/2025
3:18 PM | Biogen (Filer)
| Form 8-K
Current report pursuant to Section 13 or 15(d) | |
06/18/2025
3:42 PM | Biogen (Issuer)
SHERWIN STEPHEN A (Reporting)
| Form 4
Statement of changes in beneficial ownership of securities | |
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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) | |
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) | |
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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 | |
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 | |
