Tecogen files S-3 to register resale of 4,507,603 shares by selling stockholders
Tecogen filed a Form S-3 registration statement covering the resale of 4,507,603 common shares by selling stockholders who acquired them in private placements. The trustees of Hatsopoulos family trusts holding 3,475,714 of those shares signed lock-up agreements restricting sales for 182 calendar days after the SEC declares the registration effective.
Key points
- Registration covers resale of 4,507,603 shares of common stock, $.001 par value, by selling stockholders.
- Trusts holding 3,475,714 of the shares signed lock-up agreements dated August 31, 2026.
- Lock-up restricts sales for 182 calendar days from the date the SEC declares the registration statement effective.
- Offers and sales may not be made by selling stockholders until the SEC declares the registration effective.
The filing
Written by AI on Nov 9, 2026, 8:38 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on August 31, 2026.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.