TECOGEN INC. — Director's Dealing 2014

May 22, 2014

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: TECOGEN INC. (TGEN)
CIK: 0001537435
Period of Report: 2014-05-20

Reporting Person: MAXWELL CHARLEST (Director)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	75000	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Options (Right to Buy)	$2.6	2021-02-14	Common Stock (25000.0)		Direct

Footnotes

F1: The option becomes exercisable in four equal installments on February 15, 2012, 2013, 2014 and 2015.