TECOGEN INC. — Director's Dealing 2022

May 6, 2022

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: TECOGEN INC. (TGEN)
CIK: 0001537435
Period of Report: 2022-05-04

Reporting Person: Pacheco Ann Marie Brown (10% Owner, Trustee)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3700864	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$5.65	2024-12-11	Common Stock (1840.0)		Direct
Stock Option (Right to Buy)	$3.68	2028-05-31	Common Stock (5000.0)		Direct
Stock Option (Right to Buy)	$1.1	2032-01-21	Common Stock (7000.0)		Direct

Footnotes

F1: Includes (a) 1,620,664 shares of common stock held for the benefit of Nia M. Hatsopoulos pursuant to The John N. Hatsopoulos 1989 Family Trust of which Mrs. Ann Marie Pacheco is the sole trustee, (b) 2,078,960 shares of common stock held by the Nia M. Hatsopoulos Jephson 2011 Irrevocable Trust, of which Mrs. Pacheco is the sole trustee, and (c) 1,240 shares held by Mrs. Pacheco individually.

F2: Fully Vested

F3: Vests 25% per year

F4: Vests 50% per year