0001628280-25-014780.txt : 20250325 0001628280-25-014780.hdr.sgml : 20250325 20250325171206 ACCESSION NUMBER: 0001628280-25-014780 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20241122 FILED AS OF DATE: 20250325 DATE AS OF CHANGE: 20250325 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LEWIS EARL R CENTRAL INDEX KEY: 0001230427 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-36103 FILM NUMBER: 25769268 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] ORGANIZATION NAME: 06 Technology EIN: 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/A 1 wk-form4a_1742937119.xml FORM 4/A X0508 4/A 2024-11-22 2024-12-06 0 0001537435 TECOGEN INC. TGEN 0001230427 LEWIS EARL R C/O TECOGEN INC. 76 TREBLE COVE ROAD NORTH BILLERICA MA 01862 1 0 0 0 0 Common Stock 2024-11-22 4 X 0 100000 0.71 A 727000 D Stock Option (Right to Buy) 0.71 2024-11-22 4 M 0 100000 0.71 A 2021-07-09 2030-07-09 Common Stock 100000 100000 D Acquisition by exercise of the right to purchase 100,000 shares for $0.71 per share pursuant to Stock Option Agreement dated 7/9/2020. Following the purchase of 100,000 shares on 11/22/2024, Mr. Lewis owned a total of 727,000 shares, and continued to hold options to purchase 100,000 additional shares at various prices. /s/ Earl R. Lewis 2025-03-25