secwatch.observer — SEC 8-K summary
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Issuer:     TECOGEN INC. (TGEN)
CIK:        0001537435
Form:       8-K
Filed at:   2026-08-31T21:23:20+00:00
Accession:  0001537435-26-000072
Event type: other_material
Sentiment:  neutral
Materiality: 0.40
Item codes: 8.01, 9.1
LLM model:  deepseek-v4-flash:cloud@v2

Tecogen registers 4.5M shares for resale; Hatsopoulos trusts agree to 182-day lock-up
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- Filed Form S-3 to register 4,507,603 shares of common stock for resale by selling stockholders.
- Shares were acquired in private placements exempt from SEC registration; no offer until S-3 effective.
- Hatsopoulos 2012 Family Trust and GST non-exempt QTIP Marital Trust (3,475,714 shares) signed lock-up agreements.
- Lock-up restricts sales for 182 calendar days after SEC declares S-3 effective; limited exceptions apply.
- Exceptions include transfers to trust beneficiaries, divorce court orders, and existing 10b5-1 plans.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1537435/000153743526000072/0001537435-26-000072-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1537435/000153743526000072/tgen-20260831.htm
  HTML page:      https://secwatch.observer/filing/0001537435-26-000072

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