TECOGEN INC. Files 8-K Report

TL;DR

TECOGEN INC. filed a routine 8-K, no major news.

AI Summary

On September 2, 2025, TECOGEN INC. filed an 8-K report to disclose information under "Other Events." The filing does not specify any new material events or transactions, but it confirms the company's ongoing reporting obligations.

Why It Matters

This 8-K filing indicates that TECOGEN INC. is fulfilling its regulatory reporting requirements with the SEC, which is standard practice for publicly traded companies.

Risk Assessment

Risk Level: low — The filing is a standard 8-K for 'Other Events' and does not disclose any new material information, indicating no immediate change in risk.

Key Numbers

• 001-36103 — SEC File Number (Company's SEC filing identifier)
• 04-3536131 — IRS Employer Identification No. (Company's tax identification number)

Key Players & Entities

• TECOGEN INC. (company) — Registrant
• 0001537435-25-000134 (filing_id) — Accession Number
• September 2, 2025 (date) — Date of earliest event reported
• 76 Treble Cove Road, Building 1 (address) — Principal Executive Offices
• North Billerica, Massachusetts 01862 (address) — Principal Executive Offices
• TGEN (ticker) — Trading Symbol

FAQ

Key Financial Figures

• $0.001 — ange on which registered Common Stock, $0.001 par value per share TGEN NYSE American,
• $1 m — y, in the aggregate principal amount of $1 million, together with interest accrued t
• $500,000 — ber 10, 2023 in the principal amount of $500,000 with interest accruing at an annual rat
• $1,076,955 — ts pursuant to the promissory notes was $1,076,955.62, including aggregate interest in the
• $76,955.62 — ing aggregate interest in the amount of $76,955.62. Repayment of the promissory notes elim
• $46,159 — standing debt, as well as approximately $46,159 of interest charges that would have bee

Filing Documents

• tgen-20250902.htm (8-K) — 22KB
• 0001537435-25-000134.txt ( ) — 122KB
• tgen-20250902.xsd (EX-101.SCH) — 2KB
• tgen-20250902_lab.xml (EX-101.LAB) — 19KB
• tgen-20250902_pre.xml (EX-101.PRE) — 11KB
• tgen-20250902_htm.xml (XML) — 2KB

01 Other Events

Item 8.01 Other Events On September 2, 2025, in accordance with its Policy and Procedures Governing Related Person Transactions, the Audit Committee of Tecogen Inc., a Delaware corporation ("Company") approved the prepayment by the Company of two promissory notes in favor of John N. Hatsopoulos, a director of the Company, in the aggregate principal amount of $1 million, together with interest accrued thereon through the dates the promissory notes are repaid. The promissory notes to be prepaid consist of: (i) a promissory note dated October 10, 2023 in the principal amount of $500,000 with interest accruing at an annual rate of 5.12%, as amended on March 31, 2024 and on February 18, 2025 (the "October 2023 Note"), and (ii) a promissory note dated July 23, 2024 in the principal amount of $500,000 with interest accruing at an annual rate of 5.06%, as amended on February 18, 2025 (the "July 2024 Note"). As amended, both promissory notes have a maturity date of July 31, 2026. The October 2024 Note was prepaid on September 3, 2025 and the July 2024 Note was prepaid on September 4, 2025. The aggregate payments pursuant to the promissory notes was $1,076,955.62, including aggregate interest in the amount of $76,955.62. Repayment of the promissory notes eliminated the balance of the Company's outstanding debt, as well as approximately $46,159 of interest charges that would have been payable with respect to the promissory notes between the repayment dates and the maturity dates thereof.

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Company has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. TECOGEN INC. By: /s/ Abinand Rangesh September 4, 2025 Abinand Rangesh, Chief Executive Officer

View Full Filing

View this 8-K filing on SEC EDGAR