BIOGEN INC. reports

Company location: Cambridge, MA
Fiscal year end: 31 December

BIOGEN INC. has filed 2,708 SEC EDGAR filings since 21 May 1996

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SEC filing history

Showing 301-325 of 1,000 matching filings.

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13

4

PRIMARY DOCUMENT

Filing date: 14 Feb 2023
Reporting date: 10 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 10 Feb 2023
Reporting date: 08 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 10 Feb 2023
Reporting date: 08 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 10 Feb 2023
Reporting date: 08 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 10 Feb 2023
Reporting date: 08 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 10 Feb 2023
Reporting date: 08 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 10 Feb 2023
Reporting date: 08 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-42028

PRIMECAP MANAGEMENT CO/CA/

Filing date: 09 Feb 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-42028

SCHEDULE 13G/A

Filing date: 09 Feb 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 03 Feb 2023
Reporting date: 01 Feb 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

5

PRIMARY DOCUMENT

Filing date: 27 Jan 2023
Reporting date: 31 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

5

PRIMARY DOCUMENT

Filing date: 27 Jan 2023
Reporting date: 31 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 27 Jan 2023
Reporting date: 25 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 27 Jan 2023
Reporting date: 25 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 27 Jan 2023
Reporting date: 25 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 27 Jan 2023
Reporting date: 25 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 27 Jan 2023
Reporting date: 25 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 27 Jan 2023
Reporting date: 25 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-42028

SC 13G/A filing

Filing date: 24 Jan 2023
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

3

PRIMARY DOCUMENT

Filing date: 17 Jan 2023
Reporting date: 05 Jan 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 12 Dec 2022
Reporting date: 14 Nov 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 12 Dec 2022
Reporting date: 08 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Dec 2022
Reporting date: 02 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 06 Dec 2022
Reporting date: 02 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

PRIMARY DOCUMENT

Filing date: 05 Dec 2022
Reporting date: 01 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

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