Tecogen Inc. SC 13G and SC 13G/A reports

Location
45 First Avenue, Waltham, MA
State of incorporation
DE
Fiscal year end
December 31
Data updated at
11/14/2024, 11:27 AM
Form type Sec Links Description Filing date Reporting date
SC 13G Report SC 13G May 10, 2022
SC 13G/A Report SC 13G/A Mar 26, 2019
SC 13G Report SC 13G Aug 1, 2018
SC 13G Report SC 13G May 22, 2018
SC 13G/A Report SC 13G/A May 16, 2018
SC 13G/A Report SC 13G/A #4 Feb 12, 2018
SC 13G/A Report SC 13G/A Jan 11, 2018
SC 13G Report SC 13G MONOVOUKAS 05 23 17 Jun 23, 2017
SC 13G/A Report SC 13G/A #3 Feb 15, 2017
SC 13G Report SC 13G Feb 1, 2017
SC 13G/A Report SC 13G/A Dec 14, 2016
SC 13G Report SC 13G Feb 19, 2016
SC 13G/A Report TGEN SC 13G/A OF JOHN N. HATSOPOULOS Feb 16, 2016
SC 13G/A Report TGEN SC 13G/A OF JOSEPH RITCHIE Feb 16, 2016
SC 13G/A Report SC 13G/A Feb 16, 2016
SC 13G/A Report SC 13G/A Feb 16, 2016
SC 13G Report SC 13G Feb 23, 2015
SC 13G Report SC 13G DR. GEORGE N HATSOPOULOS Feb 18, 2015
SC 13G Report SC 13G JOHN N. HATSOPOULOS Feb 18, 2015
SC 13G Report SC 13G J. RITCHIE Feb 18, 2015