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TECOGEN INC.

View on SEC.gov →
Overview All Filings Annual Quarterly Insiders

Recent Filings

All 654 filings →
Form Description Date
4 FORM 4 Mar 27, 2026
4 FORM 4 Mar 27, 2026
4 FORM 4 Mar 27, 2026
4 FORM 4 Mar 23, 2026
4 FORM 4 Mar 23, 2026
4 FORM 4 Mar 23, 2026
4 FORM 4 Mar 23, 2026
10-K 10-K Mar 19, 2026
8-K 8-K Mar 18, 2026
8-K 8-K Jan 7, 2026

Insider Transactions

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Insider Title Type Shares Owns After Date
Lafaille Stephen VP of Business Development Award / Grant 11,976 12,376 Jul 24, 2025
Whiting John Kimball IV General Counsel & Secretary Award / Grant 11,976 12,612 Jul 24, 2025
Deschenes Roger P. CAO Award / Grant 17,964 42,962 Jul 24, 2025
Rangesh Abinand Chief Executive Officer Award / Grant 53,892 64,193 Jul 24, 2025
PANORA ROBERT A COO and President Sale 900 @ $6.86 62,523 Jun 16, 2025
Lafaille Stephen VP of Business Development Sale 15,000 @ $5.00 400 Mar 3, 2025
LEWIS EARL R Purchase 100,000 @ $0.71 737,000 Nov 22, 2024
HATSOPOULOS JOHN Purchase 10,000 @ $0.84 988,951 Sep 27, 2024
HATSOPOULOS JOHN Purchase 10,000 @ $0.86 978,951 Sep 25, 2024
HATSOPOULOS JOHN Purchase 10,000 @ $0.90 968,951 Aug 19, 2024