0001537435-23-000154.txt : 20231121 0001537435-23-000154.hdr.sgml : 20231121 20231121102825 ACCESSION NUMBER: 0001537435-23-000154 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231120 FILED AS OF DATE: 20231121 DATE AS OF CHANGE: 20231121 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: 231424887 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_1700580497.xml FORM 4 X0508 4 2023-11-20 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 2023-11-20 4 P 0 4000 0.845 A 639485 D /s/ John N. Hatsopoulos 2023-11-21