0001537435-23-000045.txt : 20230516 0001537435-23-000045.hdr.sgml : 20230516 20230516175941 ACCESSION NUMBER: 0001537435-23-000045 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230515 FILED AS OF DATE: 20230516 DATE AS OF CHANGE: 20230516 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LEWIS EARL R CENTRAL INDEX KEY: 0001230427 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36103 FILM NUMBER: 23929041 MAIL ADDRESS: STREET 1: C/O NXSTAGE MEDICAL INC. (NXTM) STREET 2: 439 SOUTH UNION STREET, 5TH FLOOR CITY: LAWRENCE STATE: MA ZIP: 01843 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_168427436806895.xml FORM 4 X0407 4 2023-05-15 0 0001537435 TECOGEN INC. TGEN 0001230427 LEWIS EARL R 45 FIRST AVE WALTHAM MA 02451 1 0 0 0 0 Common Stock 2023-05-15 4 P 0 10000 0.96 A 493183 D /s/ Earl R. Lewis 2023-05-16