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Biogen (BIIB) SEC Filings & 10K Form

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$133.19 +3.12 (+2.40%)
Closing price 07/2/2025 04:00 PM Eastern
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Recent Biogen SEC Filings

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DateFilerForm TypeView
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  
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)  
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  
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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  
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)  
(Data available from 1/1/2016 forward)


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This page (NASDAQ:BIIB) was last updated on 7/3/2025 by MarketBeat.com Staff
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