0001537435-23-000110.txt : 20230908 0001537435-23-000110.hdr.sgml : 20230908 20230908092500 ACCESSION NUMBER: 0001537435-23-000110 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230907 FILED AS OF DATE: 20230908 DATE AS OF CHANGE: 20230908 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: 231243860 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 wf-form4_169417948692922.xml FORM 4 X0508 4 2023-09-07 0 0001537435 TECOGEN INC. TGEN 0001274775 HATSOPOULOS JOHN 45 FIRST AVENUE WALTHAM MA 02451 1 0 0 0 0 Common Stock 2023-09-07 4 P 0 200 1 A 479005 D /s/ John N. Hatsopoulos 2023-09-08