TECOGEN INC. — Director's Dealing 2025

Jul 14, 2025

SEC Form 4/A — Form 4/A

Issuer: TECOGEN INC. (TGEN)
CIK: 0001537435
Period of Report: 2025-05-27

Reporting Person: PANORA ROBERT A (COO and President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-27	Common Stock	M	70000	$0.71	Acquired	70000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-05-27	Stock Options (Right to Buy)	$0.71	M	70000	Disposed	2030-07-09	Common Stock (70000)	Direct

Footnotes

F1: Transaction code corrected

F2: 100,000 shares of the 200,000 option shares granted pursuant to Stock Option Agreement dated 7/9/2020 vested on 6/30/2022 upon achievement of Adjusted EBITDA performance milestone.