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

Filter by type:
10-K
10-Q
8-K
SC13D
SC13G

SEC filing history

Showing 226-250 of 889 matching filings.

Per page

25

Current page

10

4

OWNERSHIP DOCUMENT

Filing date: 29 Dec 2021
Reporting date: 28 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

4

OWNERSHIP DOCUMENT

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

4

OWNERSHIP DOCUMENT

Filing date: 15 Nov 2021
Reporting date: 12 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-33957

FORM 10-Q

Filing date: 05 Nov 2021
Reporting date: 30 Sep 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 03 Nov 2021
Reporting date: 01 Nov 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-33957

FORM 8-K

Filing date: 03 Nov 2021
Reporting date: 03 Nov 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-33957

8-K filing

Filing date: 30 Sep 2021
Reporting date: 15 Sep 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

SC 13G File 005-60603

SC 13G

Filing date: 03 Sep 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 25 Aug 2021
Reporting date: 23 Aug 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-33957

8-K filing

Filing date: 09 Aug 2021
Reporting date: 06 Aug 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

10-Q File 001-33957

FORM 10-Q

Filing date: 06 Aug 2021
Reporting date: 30 Jun 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-33957

FORM 8-K

Filing date: 05 Aug 2021
Reporting date: 05 Aug 2021
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 20 Jul 2021
Reporting date: 18 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 12 Jul 2021
Reporting date: 08 Jul 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-33957

8-K filing

Filing date: 23 Jun 2021
Reporting date: 23 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 15 Jun 2021
Reporting date: 11 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 15 Jun 2021
Reporting date: 11 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 15 Jun 2021
Reporting date: 11 Jun 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

SD File 001-33957

SD

Filing date: 27 May 2021
Reporting date: Not listed
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 27 May 2021
Reporting date: 25 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 27 May 2021
Reporting date: 25 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 27 May 2021
Reporting date: 25 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 27 May 2021
Reporting date: 25 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4

OWNERSHIP DOCUMENT

Filing date: 25 May 2021
Reporting date: 21 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. to update or revoke optional consent for future visits. For more information, see our Privacy Policy .