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 151-175 of 1,000 matching filings.

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25
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7
3

PRIMARY DOCUMENT

Filing date
07 Oct 2024
Reporting date
01 Oct 2024
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4

PRIMARY DOCUMENT

Filing date
05 Sep 2024
Reporting date
30 Aug 2024
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144 File 000-19311

144 filing

Filing date
03 Sep 2024
Reporting date
Not listed
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SC 13G/A

SC 13G/A

Filing date
16 Aug 2024
Reporting date
Not listed
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SC 13G/A File 005-42028

SC 13G/A filing

Filing date
07 Aug 2024
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
25 Jun 2024
Reporting date
21 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
25 Jun 2024
Reporting date
21 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
25 Jun 2024
Reporting date
21 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
25 Jun 2024
Reporting date
21 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
25 Jun 2024
Reporting date
21 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
25 Jun 2024
Reporting date
21 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
25 Jun 2024
Reporting date
21 Jun 2024
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4

PRIMARY DOCUMENT

Filing date
25 Jun 2024
Reporting date
21 Jun 2024
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S-8 File 333-280360

S-8

Filing date
20 Jun 2024
Reporting date
Not listed
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4

PRIMARY DOCUMENT

Filing date
03 May 2024
Reporting date
01 May 2024
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ARS File 000-19311

ARS

Filing date
26 Apr 2024
Reporting date
31 Dec 2023
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DEFA14A File 000-19311

DEFA14A

Filing date
26 Apr 2024
Reporting date
Not listed
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DEF 14A File 000-19311

DEF 14A

Filing date
26 Apr 2024
Reporting date
20 Jun 2024
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