0001537435-23-000137.txt : 20231017 0001537435-23-000137.hdr.sgml : 20231017 20231017164453 ACCESSION NUMBER: 0001537435-23-000137 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231017 FILED AS OF DATE: 20231017 DATE AS OF CHANGE: 20231017 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HATSOPOULOS JOHN CENTRAL INDEX KEY: 0001274775 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36103 FILM NUMBER: 231330039 MAIL ADDRESS: STREET 1: 85 FIRST AVENUE CITY: WALTHAM STATE: MA ZIP: 02451 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: TECOGEN INC. CENTRAL INDEX KEY: 0001537435 STANDARD INDUSTRIAL CLASSIFICATION: AIR COND & WARM AIR HEATING EQUIP & COMM & INDL REFRIG EQUIP [3585] IRS NUMBER: 043536131 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 45 FIRST AVENUE CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 781-466-6400 MAIL ADDRESS: STREET 1: 45 FIRST AVENUE CITY: WALTHAM STATE: MA ZIP: 02451 FORMER COMPANY: FORMER CONFORMED NAME: TECOGEN INC DATE OF NAME CHANGE: 20111215 4 1 wk-form4_1697575483.xml FORM 4 X0508 4 2023-10-17 0 0001537435 TECOGEN INC. TGEN 0001274775 HATSOPOULOS JOHN C/O TECOGEN INC. 45 FIRST AVENUE WALTHAM MA 02451 1 0 0 0 0 Common Stock 2023-10-17 4 P 0 50000 0.80 A 589385 D /s/ John N. Hatsopoulos 2023-10-17