TECOGEN INC. — All Filings
654 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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25
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424B3
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AW
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 10-Q | 10-Q | 0001537435-25-000037 | May 13, 2025 | Mar 31, 2025 |
| 8-K | 8-K | 0001537435-25-000034 | May 12, 2025 | — |
| 4 | FORM 4 | 0001537435-25-000031 | May 7, 2025 | May 6, 2025 |
| 8-A12B | 8-A12B | 0001537435-25-000029 | May 5, 2025 | — |
| CERT | NYSE AMERICAN CERTIFICATION | 0001143313-25-000024 | May 5, 2025 | — |
| 4 | FORM 4 | 0001537435-25-000027 | May 5, 2025 | May 1, 2025 |
| 8-K | 8-K | 0001537435-25-000024 | May 2, 2025 | May 1, 2025 |
| 8-K | 8-K | 0001628280-25-021421 | May 1, 2025 | Apr 30, 2025 |
| DEF 14A | DEF 14A | 0001628280-25-020504 | Apr 29, 2025 | — |
| S-8 | S-8 | 0001628280-25-015427 | Mar 28, 2025 | — |
| 4/A | FORM 4/A | 0001628280-25-014773 | Mar 25, 2025 | Jul 15, 2024 |
| 4/A | FORM 4/A | 0001628280-25-014778 | Mar 25, 2025 | Oct 9, 2023 |
| 4/A | FORM 4/A | 0001628280-25-014780 | Mar 25, 2025 | Nov 22, 2024 |
| 10-K | 10-K | 0001537435-25-000018 | Mar 18, 2025 | Dec 31, 2024 |
| 8-K | 8-K | 0001537435-25-000017 | Mar 17, 2025 | — |
| 8-K | 8-K | 0001537435-25-000014 | Mar 11, 2025 | Feb 14, 2025 |
| 8-K | 8-K | 0001537435-25-000012 | Mar 3, 2025 | Feb 28, 2025 |
| 8-K | 8-K | 0001537435-25-000008 | Feb 19, 2025 | — |
| 8-K | 8-K | 0001537435-25-000003 | Jan 17, 2025 | Jan 14, 2025 |
| 4 | FORM 4 | 0001537435-24-000124 | Dec 6, 2024 | Oct 9, 2023 |
| 4 | FORM 4 | 0001537435-24-000126 | Dec 6, 2024 | Nov 22, 2024 |
| 10-Q | 10-Q | 0001537435-24-000121 | Nov 14, 2024 | Sep 30, 2024 |
| 8-K | 8-K | 0001537435-24-000119 | Nov 14, 2024 | Nov 13, 2024 |
| 4 | FORM 4 | 0001537435-24-000114 | Sep 27, 2024 | — |
| 4 | FORM 4 | 0001537435-24-000112 | Sep 25, 2024 | — |
| 8-K | 8-K | 0001537435-24-000110 | Sep 23, 2024 | Sep 18, 2024 |
| 4 | FORM 4 | 0001537435-24-000108 | Aug 20, 2024 | Aug 19, 2024 |
| 8-K | 8-K | 0001537435-24-000104 | Aug 8, 2024 | — |
| 10-Q | 10-Q | 0001537435-24-000106 | Aug 8, 2024 | Jun 30, 2024 |
| 8-K | 8-K | 0001537435-24-000097 | Jul 25, 2024 | Jul 23, 2024 |
| 4 | FORM 4 | 0001537435-24-000094 | Jul 17, 2024 | Jul 15, 2024 |
| 4 | FORM 4 | 0001537435-24-000092 | Jul 15, 2024 | — |
| 4 | FORM 4 | 0001537435-24-000090 | Jul 12, 2024 | Jul 10, 2024 |
| 4 | FORM 4 | 0001537435-24-000088 | Jun 18, 2024 | Jun 6, 2024 |
| 4 | FORM 4 | 0001537435-24-000084 | Jun 18, 2024 | Jun 6, 2024 |
| 4 | FORM 4 | 0001537435-24-000086 | Jun 18, 2024 | Jun 6, 2024 |
| 4 | FORM 4 | 0001537435-24-000087 | Jun 18, 2024 | Jun 6, 2024 |
| 4 | FORM 4 | 0001537435-24-000085 | Jun 18, 2024 | Jun 6, 2024 |
| 8-K | 8-K | 0001537435-24-000078 | Jun 6, 2024 | — |
| 4 | FORM 4 | 0001537435-24-000073 | May 29, 2024 | — |
| 4 | FORM 4 | 0001537435-24-000075 | May 29, 2024 | May 28, 2024 |
| 4 | FORM 4 | 0001537435-24-000071 | May 28, 2024 | May 22, 2024 |
| 4 | FORM 4 | 0001537435-24-000069 | May 22, 2024 | May 21, 2024 |
| 4 | FORM 4 | 0001537435-24-000067 | May 17, 2024 | May 16, 2024 |
| 4 | FORM 4 | 0001537435-24-000065 | May 16, 2024 | May 15, 2024 |
| 8-K | 8-K | 0001537435-24-000060 | May 9, 2024 | — |
| 10-Q | 10-Q | 0001537435-24-000063 | May 9, 2024 | Mar 31, 2024 |
| 8-K | 8-K | 0001537435-24-000054 | May 3, 2024 | May 1, 2024 |
| 4 | FORM 4 | 0001537435-24-000055 | May 3, 2024 | May 1, 2024 |
| 4 | FORM 4 | 0001537435-24-000050 | Apr 24, 2024 | — |