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TECOGEN INC. (TGEN)
Ticker: TGEN
CIK: 0001537435
42
Filings Found (Last 1 Year)
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8-K
1/6/2026
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
10-Q
9/30/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Quarterly report
10-Q
Open Filing
8-K
11/12/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
8-K
9/17/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
8-K
9/2/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
10-Q
6/30/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Quarterly report
10-Q
Open Filing
8-K
8/12/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
4
7/24/2025
Hirsch Susan B (CIK 0001827663)
Insider trading report
FORM 4
Open Filing
8-K
7/24/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
4
7/24/2025
GALITEVA ANGELINA (CIK 0001587245)
Insider trading report
FORM 4
Open Filing
4
7/24/2025
GHONIEM AHMED (CIK 0001538368)
Insider trading report
FORM 4
Open Filing
4
7/24/2025
Deschenes Roger P. (CIK 0001496259)
Insider trading report
FORM 4
Open Filing
4
7/24/2025
Whiting John Kimball IV (CIK 0001808199)
Insider trading report
FORM 4
Open Filing
4
7/24/2025
ALBERTINE JOHN M (CIK 0001015997)
Insider trading report
FORM 4
Open Filing
4
7/24/2025
Lafaille Stephen (CIK 0002074096)
Insider trading report
FORM 4
Open Filing
4
7/24/2025
LEWIS EARL R (CIK 0001230427)
Insider trading report
FORM 4
Open Filing
4
7/24/2025
Rangesh Abinand (CIK 0001917503)
Insider trading report
FORM 4
Open Filing
8-K
7/21/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
8-K
7/18/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
S-1/A
7/16/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
S-1/A
S-1/A
Open Filing
S-1/A
7/16/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
S-1/A
S-1/A
Open Filing
S-1/A
7/16/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
S-1/A
S-1/A
Open Filing
S-1
7/15/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Registration statement
S-1
Open Filing
4/A
5/27/2025
PANORA ROBERT A (CIK 0001585814)
4/A
FORM 4/A
Open Filing
4/A
6/3/2025
PANORA ROBERT A (CIK 0001585814)
4/A
FORM 4/A
Open Filing
4
3/3/2025
Lafaille Stephen (CIK 0002074096)
Insider trading report
FORM 4
Open Filing
4
6/16/2025
PANORA ROBERT A (CIK 0001585814)
Insider trading report
FORM 4
Open Filing
8-K
6/10/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
4
5/27/2025
PANORA ROBERT A (CIK 0001585814)
Insider trading report
FORM 4
Open Filing
10-Q
3/31/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Quarterly report
10-Q
Open Filing
8-K
5/12/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
4
5/6/2025
LEWIS EARL R (CIK 0001230427)
Insider trading report
FORM 4
Open Filing
4
5/1/2025
LEWIS EARL R (CIK 0001230427)
Insider trading report
FORM 4
Open Filing
8-K
5/1/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
8-K
4/30/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
4/A
10/9/2023
LEWIS EARL R (CIK 0001230427)
4/A
FORM 4/A
Open Filing
4/A
7/15/2024
LEWIS EARL R (CIK 0001230427)
4/A
FORM 4/A
Open Filing
4/A
11/22/2024
LEWIS EARL R (CIK 0001230427)
4/A
FORM 4/A
Open Filing
10-K
12/31/2024
TECOGEN INC. (TGEN) (CIK 0001537435)
Annual report
10-K
Open Filing
8-K
3/17/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
8-K
2/14/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
8-K
2/28/2025
TECOGEN INC. (TGEN) (CIK 0001537435)
Current report
8-K
Open Filing
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