Tecogen Inc. (TGEN)
CIK 1537435 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Tecogen Inc..
Recent SEC filings
| Filed | Form | Accession number |
|---|---|---|
| Sep 8, 2026 | 4/A | 0001537435-26-000086 |
| Sep 8, 2026 | 4/A | 0001808199-26-000003 |
| Sep 8, 2026 | 4/A | 0001537435-26-000087 |
| Sep 8, 2026 | 4/A | 0001537435-26-000088 |
| Sep 8, 2026 | 4/A | 0001585814-26-000003 |
| Sep 4, 2026 | 424B3 | 0001537435-26-000079 |
| Sep 3, 2026 | EFFECT | 9999999995-26-002885 |
| Sep 1, 2026 | EFFECT | 9999999995-26-002842 |
| Sep 1, 2026 | POS AM | 0001537435-26-000075 |
| Aug 31, 2026 | 8-K | 0001537435-26-000072 |
| Aug 31, 2026 | S-3 | 0001537435-26-000073 |
| Aug 31, 2026 | S-1/A | 0001537435-26-000071 |
| Aug 13, 2026 | 10-Q | 0001537435-26-000066 |
| Aug 12, 2026 | 8-K | 0001537435-26-000063 |
| Jul 1, 2026 | 8-K | 0001537435-26-000053 |
| Jun 30, 2026 | 4 | 0001537435-26-000043 |
| Jun 30, 2026 | 4 | 0001537435-26-000050 |
| Jun 30, 2026 | 4 | 0001537435-26-000042 |
| Jun 30, 2026 | 4 | 0001537435-26-000048 |
| Jun 30, 2026 | 4 | 0001537435-26-000045 |
| Jun 30, 2026 | 4 | 0001537435-26-000046 |
| Jun 30, 2026 | 4 | 0001537435-26-000051 |
| Jun 30, 2026 | 4 | 0001537435-26-000044 |
| Jun 30, 2026 | 4 | 0001537435-26-000047 |
| Jun 30, 2026 | 4 | 0001537435-26-000049 |