BIOGEN INC. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Cambridge, MA
SEC filing record 1 source field available
Fiscal year end
31 December
BIOGEN INC. has filed 2,708 SEC EDGAR filings since 21 May 1996

SEC filing history

Showing 226-250 of 1,000 matching filings.

Per page
25
Current page
10
3

PRIMARY DOCUMENT

Filing date
09 Jan 2024
Reporting date
01 Jan 2024
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4

PRIMARY DOCUMENT

Filing date
12 Dec 2023
Reporting date
08 Dec 2023
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4

PRIMARY DOCUMENT

Filing date
12 Dec 2023
Reporting date
08 Dec 2023
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144 File 000-19311

144 filing

Filing date
11 Dec 2023
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
03 Nov 2023
Reporting date
01 Nov 2023
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3

PRIMARY DOCUMENT

Filing date
12 Oct 2023
Reporting date
02 Oct 2023
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4 File 000-30171

FORM 4 SUBMISSION

Filing date
28 Sep 2023
Reporting date
26 Sep 2023
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SC 13D/A

SC 13D/A

Filing date
28 Sep 2023
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
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4

PRIMARY DOCUMENT

Filing date
06 Sep 2023
Reporting date
01 Sep 2023
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144 File 000-19311

144 filing

Filing date
05 Sep 2023
Reporting date
Not listed
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SC 13D

SC 13D

Filing date
07 Aug 2023
Reporting date
Not listed
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3 File 001-37785

FORM 3 SUBMISSION

Filing date
07 Aug 2023
Reporting date
28 Jul 2023
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DEFA14A File 000-19311

DEFA14A

Filing date
31 Jul 2023
Reporting date
Not listed
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DEFA14A File 000-19311

DEFA14A

Filing date
28 Jul 2023
Reporting date
Not listed
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