TECOGEN INC.
Insider Ownership
| 8-K | 34 | 06/10/2025 | 06/10/2025 |
| 10-Q | 34 | 05/13/2025 | 03/31/2025 |
| 8-K | 34 | 05/12/2025 | 05/12/2025 |
| 8-K | 34 | 03/03/2025 | 02/28/2025 |
| 8-K | 34 | 01/17/2025 | 01/14/2025 |
| 10-Q | 34 | 11/14/2024 | 09/30/2024 |
| 8-K | 34 | 09/23/2024 | 09/18/2024 |
| 8-K | 34 | 07/25/2024 | 07/23/2024 |
| 8-K | 34 | 06/06/2024 | 06/06/2024 |
| 10-Q | 34 | 05/09/2024 | 03/31/2024 |
≥5% Ownership
| 4 | 06/24/2025 | 03/03/2025 | |
| 3 | 06/24/2025 | 04/23/2024 | |
| 3 | 06/24/2025 | 04/23/2024 | |
| 4 | 06/20/2025 | 06/16/2025 | |
| 4 | 06/02/2025 | 05/27/2025 | |
| 4/A | 03/25/2025 | 11/22/2024 | |
| 4/A | 03/25/2025 | 10/09/2023 | |
| 4/A | 03/25/2025 | 07/15/2024 | |
| 4 | 09/27/2024 | 09/27/2024 | |
| 4 | 09/25/2024 | 09/25/2024 |