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TECOGEN INC. (TGEN)

Ticker: TGENCIK: 0001537435
42
Filings Found (Last 1 Year)
8-K1/6/2026

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
10-Q9/30/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Quarterly report10-Q
Open Filing
8-K11/12/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
8-K9/17/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
8-K9/2/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
10-Q6/30/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Quarterly report10-Q
Open Filing
8-K8/12/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
47/24/2025

Hirsch Susan B (CIK 0001827663)

Insider trading reportFORM 4
Open Filing
8-K7/24/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
47/24/2025

GALITEVA ANGELINA (CIK 0001587245)

Insider trading reportFORM 4
Open Filing
47/24/2025

GHONIEM AHMED (CIK 0001538368)

Insider trading reportFORM 4
Open Filing
47/24/2025

Deschenes Roger P. (CIK 0001496259)

Insider trading reportFORM 4
Open Filing
47/24/2025

Whiting John Kimball IV (CIK 0001808199)

Insider trading reportFORM 4
Open Filing
47/24/2025

ALBERTINE JOHN M (CIK 0001015997)

Insider trading reportFORM 4
Open Filing
47/24/2025

Lafaille Stephen (CIK 0002074096)

Insider trading reportFORM 4
Open Filing
47/24/2025

LEWIS EARL R (CIK 0001230427)

Insider trading reportFORM 4
Open Filing
47/24/2025

Rangesh Abinand (CIK 0001917503)

Insider trading reportFORM 4
Open Filing
8-K7/21/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
8-K7/18/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
S-1/A7/16/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

S-1/AS-1/A
Open Filing
S-1/A7/16/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

S-1/AS-1/A
Open Filing
S-1/A7/16/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

S-1/AS-1/A
Open Filing
S-17/15/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Registration statementS-1
Open Filing
4/A5/27/2025

PANORA ROBERT A (CIK 0001585814)

4/AFORM 4/A
Open Filing
4/A6/3/2025

PANORA ROBERT A (CIK 0001585814)

4/AFORM 4/A
Open Filing
43/3/2025

Lafaille Stephen (CIK 0002074096)

Insider trading reportFORM 4
Open Filing
46/16/2025

PANORA ROBERT A (CIK 0001585814)

Insider trading reportFORM 4
Open Filing
8-K6/10/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
45/27/2025

PANORA ROBERT A (CIK 0001585814)

Insider trading reportFORM 4
Open Filing
10-Q3/31/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Quarterly report10-Q
Open Filing
8-K5/12/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
45/6/2025

LEWIS EARL R (CIK 0001230427)

Insider trading reportFORM 4
Open Filing
45/1/2025

LEWIS EARL R (CIK 0001230427)

Insider trading reportFORM 4
Open Filing
8-K5/1/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
8-K4/30/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
4/A10/9/2023

LEWIS EARL R (CIK 0001230427)

4/AFORM 4/A
Open Filing
4/A7/15/2024

LEWIS EARL R (CIK 0001230427)

4/AFORM 4/A
Open Filing
4/A11/22/2024

LEWIS EARL R (CIK 0001230427)

4/AFORM 4/A
Open Filing
10-K12/31/2024

TECOGEN INC. (TGEN) (CIK 0001537435)

Annual report10-K
Open Filing
8-K3/17/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
8-K2/14/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
8-K2/28/2025

TECOGEN INC. (TGEN) (CIK 0001537435)

Current report8-K
Open Filing
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