Tecogen (TGEN) Form 3 TECOGEN / Yiannis Monovoukas ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Monovoukas Yiannis

(Last) (First) (Middle)

C/O TECOGEN INC.

45 FIRST AVENUE

(Street)

WALTHAM MA 02451

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
05/23/2017

3. Issuer Name and Ticker or Trading Symbol
TECOGEN INC. [ TGEN ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director	X	10% Owner
Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	7,381	D
Common Stock	1,620,665(1)	I	John Hatsopoulos 1989 Family Trust for the benefit of Alexander and Nia Marie Hatsopoulos
Common Stock	989,859(2)	I	John N Hatsopoulos Family Trust 2007

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Mr. Monovoukas is the sole Trustee of the John Hatsopoulos 1989 Family Trust for the benefit of Alexander J. Hatsopolous and Nia Marie Hatsopolous. The John Hatsopoulos 1989 Family Trust is an irrevocable trust.

2. Mr. Monovoukas is the sole Trustee of the John N. Hatsopoulos Family Trust 2007. The John N. Hatsopoulos Family Trust 2007 is an irrevocable trust.

Remarks:

	/s/ Bonnie Brown, attorney-in-fact	06/22/2017
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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