TGEN News
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2026-08-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2026-07-01 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02. |
| 2026-06-05 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.07. |
| 2026-05-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2026-04-08 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01,9.01. |
| 2026-03-18 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2026-01-07 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01. |
| 2025-11-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2025-09-17 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2025-09-04 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01. |
| 2025-08-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2025-07-28 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02,8.01,9.01. |
| 2025-07-21 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01,9.01. |
| 2025-07-18 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.01,8.01,9.01. |
| 2025-06-10 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.07. |
| 2025-05-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2025-05-02 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.01. |
| 2025-05-01 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2025-03-17 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2025-03-11 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02. |
| 2025-03-03 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.01,9.01. |
| 2025-02-19 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01,9.01. |
| 2025-01-17 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01. |
| 2024-11-14 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2024-09-23 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.01. |
| 2024-08-08 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2024-07-25 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.01. |
| 2024-06-06 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.07. |
| 2024-05-09 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2024-05-03 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.01,9.01. |
| 2024-03-14 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2024-03-07 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02. |
| 2024-02-05 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.01. |
| 2024-01-16 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2023-12-14 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02. |
| 2023-11-08 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2023-10-10 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.01,7.01,9.01. |
| 2023-09-26 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02. |
| 2023-08-09 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2023-07-24 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01,9.01. |
| 2023-06-08 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.07. |
| 2023-05-11 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2023-05-03 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01. |
| 2023-03-16 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.01,2.02,7.01,9.01. |
| 2023-01-30 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02. |
| 2022-12-08 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02. |
| 2022-11-10 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2022-09-21 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02. |
| 2022-08-11 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2022-07-20 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01,9.01. |
| 2022-06-15 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2022-06-10 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.07. |
| 2022-05-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2022-03-22 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2022-03-10 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2022-03-09 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02,8.01,9.01. |
| 2022-01-20 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2021-11-10 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2021-11-10 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2021-10-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2021-09-21 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01,9.01. |
| 2021-09-13 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2021-08-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2021-06-16 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02,9.01. |
| 2021-05-13 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2021-03-30 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02. |
| 2021-03-11 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2021-02-25 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01,9.01. |
| 2021-02-09 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01. |
| 2021-01-20 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01. |
| 2020-11-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2020-08-13 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2020-07-21 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02,8.01,9.01. |
| 2020-07-08 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01. |
| 2020-06-09 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01,9.01. |
| 2020-06-05 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.07. |
| 2020-06-04 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01. |
| 2020-05-29 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 3.01,9.01. |
| 2020-05-26 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2020-05-15 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02. |
| 2020-05-14 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2020-05-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.02. |
| 2020-04-17 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01. |
| 2020-04-14 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01. |
| 2020-04-07 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2020-04-01 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2020-03-18 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 8.01. |
| 2020-03-17 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2020-03-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2019-11-12 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2019-10-15 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2019-08-13 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2019-07-25 | Current report | SEC filing | TECOGEN INC. filed Form 8-K/A | TECOGEN INC. filed Form 8-K/A covering items 5.07. |
| 2019-07-25 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02,9.01. |
| 2019-06-10 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.02,9.01. |
| 2019-06-10 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 5.07. |
| 2019-05-14 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2019-03-28 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2019-03-18 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 7.01,9.01. |
| 2019-03-08 | Current report | SEC filing | TECOGEN INC. filed Form 8-K | TECOGEN INC. filed Form 8-K covering items 1.01,2.01,9.01. |