Tryfon Natsis and Depoina Pantopoulou, as Joint Tenants with the Right of Survivorship 13D and 13G filings for Tecogen Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-08-14 5:25 pm Sale | 2025-06-30 | 13G | Tecogen Inc. TGEN | Tryfon Natsis and Depoina Pantopoulou, as Joint Tenants with the Right of Survivorship | 460,300 1.800% | -1,156,373 (-71.53%) | Filing |