TECOGEN INC.
SEC Filing List

TGEN         CIK: 0001537435

Form Description Owner/Filer Filing Agent Date Actions
10-QQuarterly report pursuant to Section 13 ...Tecogen Inc. 08/13/2026
8-KCurrent report filingTecogen Inc. 08/12/2026
8-KCurrent report filingTecogen Inc. 07/01/2026
4Statement of changes in beneficial owner...Galiteva AngelinaTecogen Inc.06/30/2026
4Statement of changes in beneficial owner...Ghoniem AhmedTecogen Inc.06/30/2026
4Statement of changes in beneficial owner...Hirsch Susan BTecogen Inc.06/30/2026
4Statement of changes in beneficial owner...Panora RobertTecogen Inc.06/30/2026
4Statement of changes in beneficial owner...Lewis EarlTecogen Inc.06/30/2026
4Statement of changes in beneficial owner...Whiting John Kimball IvTecogen Inc.06/30/2026
4Statement of changes in beneficial owner...Rangesh AbinandTecogen Inc.06/30/2026
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