TECOGEN INC. — Director's Dealing 2025

Jun 20, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: TECOGEN INC. (TGEN)
CIK: 0001537435
Period of Report: 2025-06-16

Reporting Person: PANORA ROBERT A (COO and President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-16	Common Stock	X	12723	$0.79	Acquired	82723	Direct
2025-06-16	Common Stock	X	30000	$0.71	Acquired	112723	Direct
2025-06-16	Common Stock	X	52500	$1.10	Acquired	165223	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$0.71	2030-07-09	Common Stock (100000)	100000	Direct

Footnotes

F1: Exercise of option to purchase shares of common stock pursuant to Stock Option Agreement dated 4/29/2016

F2: Exercise of option to purchase shares of common stock pursuant to Stock Option Agreement dated 7/9/2020

F3: Exercise of option to purchase shares of common stock pursuant to Stock Option Agreement dated 1/21/2022

F4: Option to purchase the remaining 100,000 unvested shares of common stock pursuant to Stock Option Agreement dated 7/9/2020 vest once the company has achieved 3% Adjusted EBITDA for four consecutive quarters