secwatch.observer — SEC 8-K summary
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Issuer:     TECOGEN INC. (TGEN)
CIK:        0001537435
Form:       8-K
Filed at:   2025-09-04T23:59:59+00:00
Accession:  0001537435-25-000134
Event type: other_material
Sentiment:  positive
Materiality: 0.50
Item codes: 8.01
LLM model:  deepseek-v4-flash:cloud@v2

Tecogen prepays $1M in notes to director Hatsopoulos; eliminates all outstanding debt
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- Prepaid two promissory notes to director John N. Hatsopoulos totaling $1M principal plus $76,955.62 interest.
- October 2023 note ($500k, 5.12%) and July 2024 note ($500k, 5.06%) repaid on Sept 3 and 4, 2025.
- Aggregate payment of $1,076,955.62 eliminated all outstanding debt of the Company.
- Prepayment avoided approximately $46,159 in future interest charges through original maturity (July 31, 2026).
- Audit Committee approved the prepayment under the Company's Related Person Transactions Policy.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1537435/000153743525000134/0001537435-25-000134-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1537435/000153743525000134/tgen-20250902.htm
  HTML page:      https://secwatch.observer/filing/0001537435-25-000134

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