ClearSign Technologies Corp (CIK: 0001434524) EDGAR, Information, Filings... CompaniesBIO.Com

ClearSign Technologies Corp

Mailing address
8023 E. 63RD PLACE, SUITE 101, TULSA, Washington, 74133
Phone
(918) 236-7770
State location
Oklahoma
State of incorporation
Washington
Fiscal year end
December 31
SIC
3823 - (CF Office: Office of Life Sciences) INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL
Filings
N/A

ClearSign Technologies Corp (CIK: 0001434524) is an American company incorporated in the state of Oklahoma. Head office is located at 8023 E. 63RD PLACE, SUITE 101, TULSA, Oklahoma, 74133. Work in the industry 3823 - (CF Office: Office of Life Sciences) INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL. ClearSign Technologies Corp is a public company and trade via Over-The-Counter (OTC).

Old names:

CLEARSIGN COMBUSTION CORP from 2008-05-May to 2019-31-Oct

Owner	Filings	Transaction Date	Type of Owner
de Lacy Catharine	0001966673	Feb-21-2023	director
DiElsi Gary J.	0001939971	Aug-24-2022	director
Hinds Brent	0001888082	Oct-18-2021	officer: VP and Controller
Schrecker Judith S	0001850679	Mar-04-2021	director
Deller Colin James	0001766480	Feb-12-2020	officer: Chief Executive Officer
Kendrick Donald W	0001673849	Jan-09-2020	officer: Chief Technology Officer
Fike Brian Grant	0001706465	Jan-09-2020	officer: Chief Financial Officer
Sock Stephen Michael	0001751638	Jan-09-2020	officer: SVP, Business Development
BELL LON E	0000941593	May-09-2019	director
SIMMONS JAMES M	0001238466	May-09-2019	director
Meline Susanne	0001731684	May-09-2019	director
Pate Bruce Alan	0001765385	May-09-2019	director
clirSPV LLC	0001747304	Jul-20-2018	10 percent owner
HOFFMAN Robert Thurston Sr	0001748409	Jul-20-2018	director, 10 percent owner
Princeton Opportunity Management LLC	0001749086	Jul-20-2018	10 percent owner
GPclirSPV LLC	0001749087	Jul-20-2018	10 percent owner
Ott Jeffrey L	0001299046	Feb-06-2015	director
Ruiz Roberto	0001563443	Nov-29-2012	officer: SVP-Product Development
MARLETT CHRISTOPHER A	0000897744	Apr-24-2012	10 percent owner
RUTKOWSKI RICHARD F	0001243485	Apr-23-2012	director, 10 percent owner, officer: CEO and President
LEE ANDREW U	0001243871	Apr-23-2012	officer: Sr VP of Business Development
OSLER GEOFFREY D	0001547130	Apr-23-2012	officer: Chief Marketing Officer
ISAACSON SCOTT P	0001547301	Apr-23-2012	director
HARMON JAMES N	0001547381	Apr-23-2012	officer: CFO and Secretary
COLANNINO JOSEPH	0001547582	Apr-23-2012	officer: Chief Technology Officer
BD & DBG LIVING TRUST	0001547699	Apr-23-2012	10 percent owner
GOODSON DAVID B	0001547700	Apr-23-2012	director, officer: CHIEF SCIENCE OFFICER
PIRNAT STEPHEN E	0001547961	Apr-23-2012	director

Includes all SEC registration details as well as a list of all documents (S-1, Prospectus, Current Reports, 8-K, 10K, Annual Reports) filed by ClearSign Technologies Corp

Filings	Format	Description	Filed/Effective	File/Film Number
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001104659-26-032244 ( Act) Size: 0 KB	Mar-19-2026
8-K	Document	Current report filing Acc-no: 0001104659-26-025867 (34 Act) Size: KB	Mar-10-2026	001-35521 26739595
8-K	Document	Current report filing Acc-no: 0001104659-26-023536 (34 Act) Size: KB	Mar-04-2026	001-35521 26722489
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001104659-26-022403 ( Act) Size: 0 KB	Mar-02-2026
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001104659-26-022401 ( Act) Size: 0 KB	Mar-02-2026
8-K	Document	Current report filing Acc-no: 0001104659-26-019768 (34 Act) Size: KB	Feb-25-2026	001-35521 26680172
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001104659-26-019278 ( Act) Size: 0 KB	Feb-24-2026
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001104659-26-010395 ( Act) Size: 0 KB	Feb-04-2026
DEF 14A	Document	Definitive proxy statements Acc-no: 0001104659-26-009202 (34 Act) Size: KB	Feb-02-2026	001-35521 26587809
PRE 14A	Document	Preliminary proxy statement not related to a contested matter or merger/acquisition Acc-no: 0001104659-26-006295 (34 Act) Size: KB	Jan-23-2026	001-35521 26557610
8-K	Document	Current report filing Acc-no: 0001104659-26-001752 (34 Act) Size: KB	Jan-07-2026	001-35521 26515733
8-K	Document	Current report filing Acc-no: 0001104659-25-119321 (34 Act) Size: KB	Dec-08-2025	001-35521 251556478
8-K	Document	Current report filing Acc-no: 0001104659-25-114991 (34 Act) Size: KB	Nov-21-2025	001-35521 251507931
8-K	Document	Current report filing Acc-no: 0001104659-25-113241 (34 Act) Size: KB	Nov-17-2025	001-35521 251491812
10-Q	Document	Quarterly report pursuant to sections 13 or 15(d) Acc-no: 0001104659-25-112472 (34 Act) Size: KB	Nov-14-2025	001-35521 251485904
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001104659-25-096764 ( Act) Size: 0 KB	Oct-03-2025
4	Document	Statement of changes in beneficial ownership of securities Acc-no: 0001104659-25-096763 ( Act) Size: 0 KB	Oct-03-2025
8-K	Document	Current report filing Acc-no: 0001104659-25-095017 (34 Act) Size: KB	Sep-30-2025	001-35521 251360431
8-K	Document	Current report filing Acc-no: 0001104659-25-085648 (34 Act) Size: KB	Aug-29-2025	001-35521 251280840
424B4	Document	Prospectus filed pursuant to Rule 424(b)(4) Acc-no: 0001104659-25-081941 (33 Act) Size: KB	Aug-22-2025	333-289549 251247040

Recent 20 filings. View all ClearSign Technologies Corp filings

Overall rating 5.0

Aug 22, 2022

Samuel Ejimofor

It's being easier working on the website. And I recommend, it's a great website

Aug 22, 2022

Catherine

Thanks I look forward to using the product to improve my skin tone

Aug 22, 2022

Ryan Storey

Huge help thank you for your help .. y'all make it so much easier

ClearSign Technologies Corp overview
ClearSign Technologies Corp job
ClearSign Technologies Corp stock
ClearSign Technologies Corp ownership
ClearSign Technologies Corp CEO
ClearSign Technologies Corp documents

Disclaimer: The information on the Service is provided with the understanding that the Company is not herein engaged in rendering legal, accounting, tax, or other professional advice and services. As such, it should not be used as a substitute for consultation with professional accounting, tax, legal or other competent advisers.