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 |
| 2026-03-27 Purchase | 2026-03-27 2:44 pm | TECOGEN INC. | TGEN | Lewis Earl Director | 5,000 | $2.5192 | $12,596 | 1,011,006 (Direct) | View |
| 2026-03-26 Purchase | 2026-03-27 12:10 pm | TECOGEN INC. | TGEN | Lewis Earl Director | 5,000 | $2.8817 | $14,409 | 1,006,006 (Direct) | View |
| 2023-10-09 Purchase(A) | 2025-03-25 5:11 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 2,000 | $0.8 | $1,600 | 627,000 (Direct) | View |
| 2024-07-15 Purchase(A) | 2025-03-25 5:09 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 10,000 | $0.68 | $6,800 | 625,000 (Direct) | View |
| 2024-11-22 Purchase | 2024-12-06 09:14 am | TECOGEN INC. | TGEN | LEWIS EARL R Director | 100,000 | $0.71 | $71,000 | 737,000 (Direct) | View |
| 2023-10-09 Purchase | 2024-12-06 09:12 am | TECOGEN INC. | TGEN | LEWIS EARL R Director | 2,000 | $0.8 | $1,600 | 637,000 (Direct) | View |
| 2024-07-15 Purchase | 2024-07-17 4:38 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 10,000 | $0.68 | $6,800 | 635,000 (Indirect) | View |
| 2024-07-15 Purchase | 2024-07-15 12:09 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 10,000 | $0.68 | $6,800 | 625,000 (Direct) | View |
| 2024-05-01 Purchase | 2024-05-03 4:08 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 5,000 | $0.75 | $3,750 | 615,000 (Direct) | View |
| 2024-04-24 Purchase | 2024-04-24 3:37 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 10,000 | $0.68 | $6,800 | 610,000 (Direct) | View |
| 2022-03-24 Purchase | 2024-04-16 5:28 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 41,165 | $0.72371 | $29,792 | 602,000 (Direct) | View |
| 2024-01-24 Purchase | 2024-01-25 09:29 am | TECOGEN INC. | TGEN | LEWIS EARL R Director | 9,152 | $0.78 | $7,139 | 560,835 (Direct) | View |
| 2024-01-23 Purchase | 2024-01-23 5:54 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 10,000 | $0.68 | $6,800 | 551,683 (Direct) | View |
| 2023-10-18 Purchase | 2023-10-18 4:28 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 25,000 | $0.91 | $22,750 | 541,683 (Direct) | View |
| 2023-10-09 Purchase | 2023-10-11 6:58 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 2,000 | $0.8 | $1,600 | 516,683 (Direct) | View |
| 2023-09-08 Purchase | 2023-09-11 08:54 am | TECOGEN INC. | TGEN | LEWIS EARL R Director | 10,000 | $0.95 | $9,500 | 514,683 (Direct) | View |
| 2023-09-05 Purchase | 2023-09-06 10:13 am | TECOGEN INC. | TGEN | LEWIS EARL R Director | 10,000 | $1 | $10,000 | 504,683 (Direct) | View |
| 2023-08-14 Purchase | 2023-08-17 11:32 am | TECOGEN INC. | TGEN | LEWIS EARL R Director | 1,500 | $1 | $1,500 | 494,683 (Direct) | View |
| 2023-05-15 Purchase | 2023-05-16 5:59 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 10,000 | $0.96 | $9,600 | 493,183 (Direct) | View |
| 2023-03-24 Purchase | 2023-03-30 1:41 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 35,000 | $1.0856 | $37,996 | 483,183 (Direct) | View |
| 2023-03-22 Purchase | 2023-03-23 11:50 am | TECOGEN INC. | TGEN | LEWIS EARL R Director | 5,000 | $0.87 | $4,350 | 448,183 (Direct) | View |
| 2023-03-20 Purchase | 2023-03-21 4:10 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 15,000 | $0.89 | $13,350 | 443,183 (Direct) | View |
| 2022-09-28 Purchase | 2022-09-29 4:55 pm | TECOGEN INC. | TGEN | LEWIS EARL R Director | 13,183 | $0.95759 | $12,624 | 428,183 (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 |
| 2026-06-26 Option Award | 2026-06-30 8:32 pm | 2027-06-26 2036-06-26 | TECOGEN INC. | TGEN | Lewis Earl Director | 25,000 | $5.17 | 25,000 (Direct) | View |
| 2025-07-24 Option Award | 2025-07-28 10:57 am | 2026-07-24 2035-07-24 | TECOGEN INC. | TGEN | LEWIS EARL R Director | 25,000 | $8.35 | 91,250 (Direct) | View |
| 2025-05-06 Exercise | 2025-05-07 09:26 am | N/A N/A | TECOGEN INC. | TGEN | LEWIS EARL R Director | 15,000 | $1.75 | 1,001,006 (Direct) | View |
| 2025-05-06 Exercise | 2025-05-07 09:26 am | N/A N/A | TECOGEN INC. | TGEN | LEWIS EARL R Director | 6,250 | $1.1 | 1,001,006 (Direct) | View |
| 2025-05-06 Exercise | 2025-05-07 09:26 am | N/A N/A | TECOGEN INC. | TGEN | LEWIS EARL R Director | 12,500 | $1.2 | 1,001,006 (Direct) | View |
| 2025-05-01 Other | 2025-05-05 09:37 am | N/A N/A | TECOGEN INC. | TGEN | LEWIS EARL R Director | 240,256 | $2.14 | 1,207,512 (Direct) | View |
| 2024-11-22 Exercise(A) | 2025-03-25 5:12 pm | 2021-07-09 2030-07-09 | TECOGEN INC. | TGEN | LEWIS EARL R Director | 100,000 | $0.71 | 827,000 (Direct) | View |
| 2024-11-22 Exercise(A) | 2025-03-25 5:12 pm | N/A N/A | TECOGEN INC. | TGEN | LEWIS EARL R Director | 100,000 | $0.71 | 827,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-18 3:48 pm | 2025-06-06 2034-06-06 | TECOGEN INC. | TGEN | LEWIS EARL R Director | 25,000 | $0.77 | 200,000 (Direct) | View |
| 2023-10-09 Ownership | 2024-04-16 5:28 pm | N/A N/A | TECOGEN INC. | TGEN | LEWIS EARL R Director | 2,000 | $0 | 602,000 (Direct) | View |
| 2023-06-13 Option Award | 2023-06-15 3:42 pm | 2024-06-13 2033-06-13 | TECOGEN INC. | TGEN | LEWIS EARL R Director | 25,000 | $1.1 | 175,000 (Direct) | View |
| 2022-06-23 Option Award | 2022-06-28 6:28 pm | 2023-06-23 2032-06-23 | TECOGEN INC. | TGEN | LEWIS EARL R Director | 25,000 | $1.2 | 150,000 (Direct) | View |
Ownership | 2022-03-11 5:00 pm | N/A N/A | TECOGEN INC. | TGEN | LEWIS EARL R Director | 0 | $0 | 540,000 (Direct) | View |