<SEC-DOCUMENT>0001104659-20-043278-index.html : 20200403 <SEC-HEADER>0001104659-20-043278.hdr.sgml : 20200403 <ACCEPTANCE-DATETIME>20200403183310 ACCESSION NUMBER: 0001104659-20-043278 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200401 FILED AS OF DATE: 20200403 DATE AS OF CHANGE: 20200403 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HOFFMAN Robert Thurston Sr CENTRAL INDEX KEY: 0001748409 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35521 FILM NUMBER: 20775286 MAIL ADDRESS: STREET 1: 119 WARREN AVENUE CITY: SPRING LAKE STATE: NJ ZIP: 07762 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ClearSign Technologies Corp CENTRAL INDEX KEY: 0001434524 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823] IRS NUMBER: 000000000 STATE OF INCORPORATION: WA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 12870 INTERURBAN AVENUE SOUTH CITY: SEATTLE STATE: WA ZIP: 98168 BUSINESS PHONE: (206) 673-4848 MAIL ADDRESS: STREET 1: 12870 INTERURBAN AVENUE SOUTH CITY: SEATTLE STATE: WA ZIP: 98168 FORMER COMPANY: FORMER CONFORMED NAME: CLEARSIGN COMBUSTION CORP DATE OF NAME CHANGE: 20080507 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>tm2014958-3_4.xml <DESCRIPTION>OWNERSHIP DOCUMENT <TEXT> Document 1 - file: tm2014958-3_4.html
Document 1 - RAW XML: tm2014958-3_4.xml
</DOCUMENT> </SEC-DOCUMENT>