0001104659-24-045881.txt : 20240410 0001104659-24-045881.hdr.sgml : 20240410 20240410170031 ACCESSION NUMBER: 0001104659-24-045881 CONFORMED SUBMISSION TYPE: 4/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240222 FILED AS OF DATE: 20240410 DATE AS OF CHANGE: 20240410 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hinds Brent CENTRAL INDEX KEY: 0001888082 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-35521 FILM NUMBER: 24836487 MAIL ADDRESS: STREET 1: 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 4/A 1 tm2411542-1_4aseq1.xml OWNERSHIP DOCUMENT X0508 4/A 2024-02-22 2024-02-26 0 0001434524 ClearSign Technologies Corp CLIR 0001888082 Hinds Brent 8023 E. 63RD PLACE, SUITE 101 TULSA OK 74133 0 1 0 0 Chief Financial Officer 0 Restricted Stock Unit 2024-02-22 4 A 0 22641 0 A Common Stock 22641 22641 D Represents a one-time bonus restricted stock unit ("RSUs") grant to reporting person for services as an executive officer for the year ended December 31, 2023, and each RSU represents a right to receive one share of common stock or the cash equivalent thereof. The RSUs granted on February 22, 2024 vest in three equal installments commencing on the first anniversary of the grant date. This amendment is being filed solely to correct the inadvertent typographical errors in the number of RSUs granted on February 22, 2024, as reported on Table II of the original Form 4 filed with the Securities and Exchange Commission on February 26, 2024 (the "Original Form 4"), and the total securities owned after such transactions as reported in the Original Form 4. All other information in the Original Form 4 was accurate. /s/ Brent Hinds 2024-04-10