<SEC-DOCUMENT>0001104659-24-027573-index.html : 20240226 <SEC-HEADER>0001104659-24-027573.hdr.sgml : 20240226 <ACCEPTANCE-DATETIME>20240226170108 ACCESSION NUMBER: 0001104659-24-027573 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240222 FILED AS OF DATE: 20240226 DATE AS OF CHANGE: 20240226 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Deller Colin James CENTRAL INDEX KEY: 0001766480 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35521 FILM NUMBER: 24679962 MAIL ADDRESS: STREET 1: C/O CLEARSIGN COMBUSTION CORP. STREET 2: 12870 INTERURBAN AVENUE SOUTH CITY: SEATTLE STATE: WA ZIP: 98168 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ClearSign Technologies Corp CENTRAL INDEX KEY: 0001434524 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823] ORGANIZATION NAME: 08 Industrial Applications and Services IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 8023 E. 63RD PLACE, SUITE 101 CITY: TULSA STATE: OK ZIP: 74133 BUSINESS PHONE: (918) 236-6461 MAIL ADDRESS: STREET 1: 8023 E. 63RD PLACE, SUITE 101 CITY: TULSA STATE: OK ZIP: 74133 FORMER COMPANY: FORMER CONFORMED NAME: CLEARSIGN COMBUSTION CORP DATE OF NAME CHANGE: 20080507 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>tm247292-1_4seq1.xml <DESCRIPTION>OWNERSHIP DOCUMENT <TEXT> Document 1 - file: tm247292-1_4seq1.html
Document 1 - RAW XML: tm247292-1_4seq1.xml
</DOCUMENT> </SEC-DOCUMENT>