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 |
2023-08-15 Purchase |
2023-09-01 5:05 pm |
TECOGEN INC. | TGEN | Rangesh Abinand Chief Executive Officer |
1,001 | $1.0199 | $1,021 | 10,301 (Direct) |
View |
2023-06-20 Purchase |
2023-06-20 4:15 pm |
TECOGEN INC. | TGEN | Rangesh Abinand Chief Executive Officer |
1,500 | $1.04 | $1,560 | 9,300 (Direct) |
View |
2023-03-20 Purchase |
2023-03-27 11:33 am |
TECOGEN INC. | TGEN | Rangesh Abinand Chief Executive Officer |
1,800 | $0.87537 | $1,576 | 7,800 (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 |
2023-09-20 Option Award |
2023-09-27 1:07 pm |
2024-09-20 2033-09-20 |
TECOGEN INC. | TGEN | Rangesh Abinand Chief Executive Officer |
140,000 | $0.88 | 270,000 (Direct) |
View |
Ownership(A) |
2022-05-06 4:59 pm |
N/A N/A |
TECOGEN INC. | TGEN | Rangesh Abinand Chief Financial Officer |
0 | $0 | 136,000 (Direct) |
View |
Ownership |
2022-03-16 11:11 am |
N/A N/A |
TECOGEN INC. | TGEN | Rangesh Abinand Chief Financial Officer |
0 | $0 | 136,000 (Direct) |
View |