0001104659-24-011141.txt : 20240206 0001104659-24-011141.hdr.sgml : 20240206 20240206164538 ACCESSION NUMBER: 0001104659-24-011141 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240202 FILED AS OF DATE: 20240206 DATE AS OF CHANGE: 20240206 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Hinds Brent CENTRAL INDEX KEY: 0001888082 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35521 FILM NUMBER: 24600892 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 1 tm245384-1_4seq1.xml OWNERSHIP DOCUMENT X0508 4 2024-02-02 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 Common Stock 2024-02-02 4 M 0 10126 A 69261 D Common Stock 2024-02-02 4 F 0 3712 1.01 D 65549 D Restricted Stock Unit 2024-02-02 4 M 0 10126 0 D Common Stock 10126 20254 D Represents the vesting of 10,126 restricted stock units ("RSUs"). RSUs convert to common stock on a one-for-one basis. Represents the payment of the reporting person's tax liability by withholding shares incident to the vesting of the RSUs that vested on February 2, 2024. On February 2, 2023, the reporting person was granted 30,380 RSUs as a one-time bonus for services as an executive officer for the year ended December 31, 2022, and each RSU represents a right to receive one share of common stock or the cash equivalent thereof. The RSUs granted on February 2, 2023 vest in three equal annual installments commencing on the first anniversary of the grant date. /s/ Brent Hinds 2024-02-06