Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-03-03 Purchase | 2025-06-24 5:41 pm | TECOGEN INC. | TGEN | Lafaille Stephen VP of Business Development | 400 | $2.5 | $1,000 | 110,400 (Direct) | View |
| 2025-06-03 Sale | 2025-06-24 5:41 pm | TECOGEN INC. | TGEN | Lafaille Stephen VP of Business Development | 60,000 | $5.7633 | $345,800 | 110,400 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-06-03 Exercise | 2025-06-24 5:41 pm | N/A 2030-07-09 | TECOGEN INC. | TGEN | Lafaille Stephen VP of Business Development | 25,000 | $0.71 | 110,400 (Direct) | View |
| 2025-06-06 Exercise | 2025-06-24 5:41 pm | 2023-01-21 2032-01-21 | TECOGEN INC. | TGEN | Lafaille Stephen VP of Business Development | 35,000 | $1.1 | 110,400 (Direct) | View |
Ownership | 2025-06-24 12:59 pm | N/A N/A | TECOGEN INC. | TGEN | Lafaille Stephen VP of Business Development | 0 | $0 | 109,262 (Direct) | View |