TECOGEN INC. reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
North Billerica, MA
SEC filing record 1 source field available
Fiscal year end
31 December
TECOGEN INC. has filed 661 SEC EDGAR filings since 22 Dec 2011

SEC filing history

Showing 1-20 of 20 matching filings.

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25
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1
SC 13G File 005-88720

SC 13G

Filing date
10 May 2022
Reporting date
Not listed
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SC 13G/A File 005-88720

SC 13G/A

Filing date
26 Mar 2019
Reporting date
Not listed
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SC 13G File 005-88720

SC 13G

Filing date
01 Aug 2018
Reporting date
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SC 13G File 005-88720

SC 13G

Filing date
22 May 2018
Reporting date
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SC 13G/A File 005-88720

SC 13G/A

Filing date
16 May 2018
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Not listed
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SC 13G/A File 005-88720

SC 13G/A #4

Filing date
12 Feb 2018
Reporting date
Not listed
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SC 13G/A File 005-88720

SC 13G/A

Filing date
11 Jan 2018
Reporting date
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SC 13G File 005-88720

SC 13G MONOVOUKAS 05 23 17

Filing date
23 Jun 2017
Reporting date
Not listed
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SC 13G/A File 005-88720

SC 13G/A #3

Filing date
15 Feb 2017
Reporting date
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SC 13G File 005-88720

SC 13G

Filing date
01 Feb 2017
Reporting date
Not listed
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SC 13G/A File 005-88720

SC 13G/A

Filing date
14 Dec 2016
Reporting date
Not listed
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SC 13G File 005-88720

SC 13G

Filing date
19 Feb 2016
Reporting date
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SC 13G/A File 005-88720

TGEN SC 13G/A OF JOHN N. HATSOPOULOS

Filing date
16 Feb 2016
Reporting date
Not listed
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SC 13G/A File 005-88720

TGEN SC 13G/A OF JOSEPH RITCHIE

Filing date
16 Feb 2016
Reporting date
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SC 13G/A File 005-88720

SC 13G/A

Filing date
16 Feb 2016
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Not listed
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SC 13G/A File 005-88720

SC 13G/A

Filing date
16 Feb 2016
Reporting date
Not listed
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SC 13G File 005-88720

SC 13G

Filing date
23 Feb 2015
Reporting date
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SC 13G File 005-88720

SC 13G DR. GEORGE N HATSOPOULOS

Filing date
18 Feb 2015
Reporting date
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SC 13G File 005-88720

SC 13G JOHN N. HATSOPOULOS

Filing date
18 Feb 2015
Reporting date
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SC 13G File 005-88720

SC 13G J. RITCHIE

Filing date
18 Feb 2015
Reporting date
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