<SEC-DOCUMENT>0001144204-19-040407-index.html : 20190816 <SEC-HEADER>0001144204-19-040407.hdr.sgml : 20190816 <ACCEPTANCE-DATETIME>20190816161523 ACCESSION NUMBER: 0001144204-19-040407 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 4 CONFORMED PERIOD OF REPORT: 20190814 ITEM INFORMATION: Regulation FD Disclosure ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20190816 DATE AS OF CHANGE: 20190816 FILER: COMPANY DATA: COMPANY CONFORMED NAME: CLEARSIGN COMBUSTION 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 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-35521 FILM NUMBER: 191033635 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 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>tv527770_8k.htm <DESCRIPTION>8-K <TEXT> Document 1 - file: tv527770_8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>tv527770_ex99-1.htm <DESCRIPTION>EXHIBIT 99.1 <TEXT> Document 2 - file: tv527770_ex99-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>3 <FILENAME>tv527770_ex99-2.htm <DESCRIPTION>EXHIBIT 99.2 <TEXT> Document 3 - file: tv527770_ex99-2.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>tv527770_ex99-1img01.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: tv527770_ex99-1img01.jpg
</DOCUMENT> </SEC-DOCUMENT>