HARVARD BIOSCIENCE INC reports

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

HARVARD BIOSCIENCE INC has filed 1,295 SEC EDGAR filings since 18 Sep 2000

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SEC filing history

Showing 201-225 of 889 matching filings.

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25

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9

4

OWNERSHIP DOCUMENT

Filing date: 10 May 2022
Reporting date: 06 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-33957

FORM 10-Q

Filing date: 04 May 2022
Reporting date: 31 Mar 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-33957

FORM 8-K

Filing date: 04 May 2022
Reporting date: 04 May 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-33957

8-K filing

Filing date: 28 Apr 2022
Reporting date: 27 Apr 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

DEF 14A File 001-33957

DEF 14A

Filing date: 07 Apr 2022
Reporting date: 17 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

DEFA14A File 001-33957

DEFINITIVE ADDITIONAL MATERIALS

Filing date: 07 Apr 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-33957

FORM 10-K

Filing date: 11 Mar 2022
Reporting date: 31 Dec 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-33957

FORM 8-K

Filing date: 08 Mar 2022
Reporting date: 08 Mar 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

4 filing

Filing date: 03 Mar 2022
Reporting date: 01 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

4 filing

Filing date: 03 Mar 2022
Reporting date: 01 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G File 005-60603

SC 13G filing

Filing date: 14 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-60603

SC 13G/A

Filing date: 11 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-60603

SEC SCHEDULE 13G

Filing date: 08 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

SC 13G/A File 005-60603

SC 13G/A filing

Filing date: 03 Feb 2022
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-33957

8-K filing

Filing date: 28 Jan 2022
Reporting date: 24 Jan 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-33957

8-K filing

Filing date: 25 Jan 2022
Reporting date: 24 Jan 2022
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jan 2022
Reporting date: 29 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jan 2022
Reporting date: 01 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jan 2022
Reporting date: 01 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jan 2022
Reporting date: 01 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jan 2022
Reporting date: 01 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Jan 2022
Reporting date: 01 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 30 Dec 2021
Reporting date: 29 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 30 Dec 2021
Reporting date: 29 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 29 Dec 2021
Reporting date: 28 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

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