Tecogen | Form | Description | Date | Format |
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| 5 | Annual filing director officer or owner of more than ten percent. | Feb 8, 2018 |    | | SC 13G/A | Amendment to a previously filed SC 13G | Jan 11, 2018 |  | | 8-K | Report of unscheduled material events or corporate event | Jan 9, 2018 | | | 8-K | Report of unscheduled material events or corporate event | Jan 8, 2018 | | | 8-K | Report of unscheduled material events or corporate event | Dec 18, 2017 | | | 4 | Statement of changes in beneficial ownership of securities | Nov 14, 2017 | | | 8-K | Report of unscheduled material events or corporate event | Nov 14, 2017 | | | 10-Q | Quarterly report which provides a continuing view of a company's financial position | Nov 9, 2017 |   | | 8-K | Report of unscheduled material events or corporate event | Oct 26, 2017 | | | SC 13D/A | Amendment to a SC 13D filing | Oct 3, 2017 | | | 8-K | Report of unscheduled material events or corporate event | Sep 28, 2017 | | | 1-25 26-36 |
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