0001144204-17-044389.txt : 20170821 0001144204-17-044389.hdr.sgml : 20170821 20170821160520 ACCESSION NUMBER: 0001144204-17-044389 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170818 FILED AS OF DATE: 20170821 DATE AS OF CHANGE: 20170821 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Ruiz Roberto CENTRAL INDEX KEY: 0001563443 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35521 FILM NUMBER: 171043186 MAIL ADDRESS: STREET 1: 12870 INTERURBAN AVENUE SOUTH CITY: SEATTLE STATE: WA ZIP: 98168 ISSUER: 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 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 4 1 v473754_4.xml OWNERSHIP DOCUMENT X0306 4 2017-08-18 0 0001434524 CLEARSIGN COMBUSTION CORP CLIR 0001563443 Ruiz Roberto 12870 INTERURBAN AVENUE SOUTH SEATTLE WA 98168 0 1 0 0 Chief Operating Officer Common Stock/CLIR 27313 D Common Stock/CLIR 2017-08-18 4 P 0 1000 3.19 A 5560 I By IRA /s/ Roberto Ruiz 2017-08-21