TECOGEN INC. reports

Company location: North Billerica, MA
Fiscal year end: 31 December

TECOGEN INC. has filed 673 SEC EDGAR filings since 22 Dec 2011

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SEC filing history

Showing 126-150 of 673 matching filings.

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25

Current page

6

4

FORM 4

Filing date: 12 Apr 2024
Reporting date: 12 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

PRE 14A File 001-36103

PRE 14A

Filing date: 12 Apr 2024
Reporting date: 12 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 11 Apr 2024
Reporting date: 11 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 09 Apr 2024
Reporting date: 09 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 08 Apr 2024
Reporting date: 08 Apr 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 02 Apr 2024
Reporting date: 27 Mar 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

10-K File 001-36103

10-K

Filing date: 25 Mar 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36103

8-K

Filing date: 14 Mar 2024
Reporting date: 14 Mar 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36103

8-K

Filing date: 07 Mar 2024
Reporting date: 01 Mar 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36103

8-K

Filing date: 05 Feb 2024
Reporting date: 01 Feb 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 25 Jan 2024
Reporting date: 24 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 23 Jan 2024
Reporting date: 23 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 23 Jan 2024
Reporting date: 22 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 19 Jan 2024
Reporting date: 18 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 16 Jan 2024
Reporting date: 16 Jan 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-36103

8-K

Filing date: 16 Jan 2024
Reporting date: 16 Jan 2024
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 28 Dec 2023
Reporting date: 27 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 26 Dec 2023
Reporting date: 22 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

Filing date: 15 Dec 2023
Reporting date: 14 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

8-K File 001-36103

8-K

Filing date: 14 Dec 2023
Reporting date: 12 Dec 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

4

FORM 4

Filing date: 21 Nov 2023
Reporting date: 20 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4

FORM 4

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

4

FORM 4

Filing date: 17 Nov 2023
Reporting date: 14 Nov 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

10-Q File 001-36103

10-Q

Filing date: 09 Nov 2023
Reporting date: 30 Sep 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

8-K File 001-36103

8-K

Filing date: 08 Nov 2023
Reporting date: 08 Nov 2023
SEC evidence: Open document Open filing Open XBRL
Next action: Verify source filing

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