Tecogen Inc (TGEN) insider trading
Every open-market stock purchase and sale by Tecogen Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders bought $134K over the last 12 months (8 buys).
- Last insider buy: Ahmed Ghoniem (Director), $10K, 5 months ago.
Last 12 months: insiders bought $134K (8 buys) and sold $0 (0 sales). Last close $3.03 on Sep 10, 2026.
Recent TGEN insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 26, 2026 | Robert Panora (COO) | Bought (not open market) | $135K |
| Jun 26, 2026 | Abinand Rangesh (CEO) | Bought (not open market) | $135K |
| Jun 26, 2026 | John M Albertine (Director) | Bought (not open market) | $129K |
| Jun 26, 2026 | Susan B Hirsch (Director) | Bought (not open market) | $129K |
| Jun 26, 2026 | Earl Lewis (Director) | Bought (not open market) | $129K |
| Jun 26, 2026 | Ahmed Ghoniem (Director) | Bought (not open market) | $129K |
| Jun 26, 2026 | Angelina Galiteva (Director) | Bought (not open market) | $129K |
| Jun 26, 2026 | John Kimball Whiting IV (General Counsel) | Bought (not open market) | — |
| Jun 26, 2026 | Roger P. Deschenes (CFO) | Bought (not open market) | — |
| Jun 26, 2026 | Abinand Rangesh (CEO) | Bought (not open market) | — |
| Jun 26, 2026 | Abinand Rangesh (CEO) | Bought (not open market) | — |
| Jun 26, 2026 | Roger P. Deschenes (C-suite exec) | Bought (not open market) | — |
| Jun 26, 2026 | Robert Panora (COO) | Bought (not open market) | — |
| Jun 26, 2026 | Stephen Lafaille (VP) | Bought (not open market) | — |
| Jun 26, 2026 | Robert Panora (COO) | Bought (not open market) | — |
| Jun 26, 2026 | John Kimball Whiting IV (General Counsel) | Bought (not open market) | — |
| Jun 26, 2026 | Stephen Lafaille (VP) | Bought (not open market) | — |
| Apr 24, 2026 | Ahmed Ghoniem (Director) | Bought (not open market) | $10K |
| Apr 24, 2026 | Ahmed Ghoniem (Director) | Bought | $10K |
| Apr 13, 2026 | Susan B Hirsch (Director) | Bought | $18.6K |
| Mar 27, 2026 | Susan B Hirsch (Director) | Bought | $25.4K |
| Mar 27, 2026 | Earl Lewis (Director) | Bought | $12.6K |
| Mar 26, 2026 | Earl Lewis (Director) | Bought | $14.4K |
| Mar 23, 2026 | John Kimball Whiting IV (General Counsel) | Bought | $23.8K |
| Mar 20, 2026 | John Hatsopoulos (Director) | Bought (not open market) | $44K |
Who's trading TGEN
- John Kimball Whiting IV, General Counsel: bought $23.8K (1 buy), last Jun 26, 2026
- Roger P. Deschenes, C-suite exec: bought $22.3K (1 buy), last Jun 26, 2026
- Susan B Hirsch, Director: bought $44K (2 buys), last Jun 26, 2026
- Stephen Lafaille, VP: other filings, last Jun 26, 2026
- Earl Lewis, Director: bought $27K (2 buys), last Jun 26, 2026
- Robert Panora, COO: other filings, last Jun 26, 2026
- Abinand Rangesh, CEO: bought $6.9K (1 buy), last Jun 26, 2026
- John M Albertine, Director: other filings, last Jun 26, 2026
- Angelina Galiteva, Director: other filings, last Jun 26, 2026
- Ahmed Ghoniem, Director: bought $10K (1 buy), last Jun 26, 2026
- John Hatsopoulos, Director: other filings, last Mar 20, 2026
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