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 |
| 2025-07-24 Option Award |
2025-07-28 11:12 am |
N/A N/A |
TECOGEN INC. | TGEN | Lafaille Stephen VP of Business Development |
11,976 | $0 | 85,313 (Direct) |
View |
| 2025-07-24 Option Award |
2025-07-28 11:12 am |
2026-07-24 2035-07-24 |
TECOGEN INC. | TGEN | Lafaille Stephen VP of Business Development |
24,075 | $8.35 | 85,313 (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 |
| 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 |
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 |