TECOGEN INC. 8-K

What Happened
Tecogen Inc. (TGEN) filed an 8‑K on April 8, 2026 reporting that it agreed to extend the term of its Advisory Agreement with John N. Hatsopoulos through March 31, 2028. The Advisory Agreement was originally dated January 18, 2018 and was previously amended on July 22, 2019 and July 19, 2023. The extension was approved by Unanimous Written Consent of the Company’s Board of Directors on April 7, 2026, and a letter agreement dated April 8, 2026 is attached as Exhibit 99.1.

Key Details

• Extension term: through March 31, 2028.
• Board approval: Unanimous Written Consent on April 7, 2026.
• Original agreement and prior amendments: January 18, 2018; amended July 22, 2019 and July 19, 2023.
• Filing notes: letter agreement attached as Exhibit 99.1; the 8‑K does not disclose any new compensation or other material financial terms.

Why It Matters
This is a corporate governance update that secures continuation of Tecogen’s advisory relationship with a long‑standing advisor. The filing does not report executive departures, earnings, a merger, or disclose new material financial commitments, so investors should view it as a governance/operational continuity item rather than an earnings or strategic transaction disclosure.