secwatch.observer — SEC 8-K summary
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Issuer:     TECOGEN INC. (TGEN)
CIK:        0001537435
Form:       8-K
Filed at:   2025-02-19T23:59:59+00:00
Accession:  0001537435-25-000008
Event type: debt
Sentiment:  neutral
Materiality: 0.35
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Tecogen extends $1M promissory notes to lead director; option for stock conversion
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- Two $500k promissory notes held by lead director John N. Hatsopoulos amended.
- Maturity extended to July 31, 2026 for both notes (originally Oct 2023 and July 2024).
- Hatsopoulos may elect repayment in cash or common stock at 30-day avg closing price.
- No new funds raised; notes remain outstanding with no interest-rate change disclosed.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1537435/000153743525000008/0001537435-25-000008-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1537435/000153743525000008/tgen-20250219.htm
  HTML page:      https://secwatch.observer/filing/0001537435-25-000008

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer