ClearSign Technologies Corporation logo

ClearSign Technologies Corporation

CLIR | NASDAQ
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$3.87
+$0.08 (+2.11%)
Sep 22, 2026, 12:30 PM ET · Market open

Company Profile

ClearSign Technologies Corporation, founded in 2008 and headquartered in Tulsa, Oklahoma, is a company focused on inventing and refining products and technological solutions. Operating in both the United States and the People's Republic of China, its mission is to optimize the operational effectiveness, energy consumption, and safety of industrial and commercial systems, while simultaneously decreasing harmful emissions and overall expenses. The company's key product lines include the ClearSign Core Burner Technology, an advanced system combining an industrial burner with a specialized porous ceramic or metallic flame stabilizing structure. For the refinery sector, the ClearSign Core Plug & Play technology offers a straightforward, direct replacement for existing process heaters. Additionally, the ClearSign Eye Flame Sensor provides an electronic flame detection system tailored for various industrial applications. ClearSign also extends its offerings to include specialized ClearSign Core Boiler Burners and ClearSign Core Flaring Burners technologies. ClearSign Technologies serves a broad spectrum of industries, encompassing energy, institutional, commercial and industrial boiler operations, chemical manufacturing, and petrochemical processing. The organization was previously known as ClearSign Combustion Corporation before rebranding to ClearSign Technologies Corporation in November 2019.

Key Executives

Name Position
Colin James Deller CEO & Director
Matthew Martin Chief Technology Officer
Brent Hinds CFO & Corporate Secretary
Stephen Michael Sock Senior Vice President of Business Development

Latest SEC Filings

Date Type Title
Aug 20, 2026 8-K Current Report
Aug 14, 2026 10-Q Quarterly Report
Aug 11, 2026 3 Filing
Aug 11, 2026 8-K Current Report
Jul 31, 2026 D Filing
Jul 24, 2026 SC 13G/A [Amend] Statement of acquisition of beneficial own...
Jul 24, 2026 4 Filing
Jul 23, 2026 8-K Current Report
Jul 06, 2026 S-8 Filing
Jul 06, 2026 8-K Current Report
View All SEC Filings
ClearSign Technologies Corporation
ClearSign Technologies Corporation logo
Country United States
IPO Date Apr 24, 2012
Industry Industrial - Pollution & Treatment Controls
Sector Industrials
Employees 16
CEO Colin James Deller

Contact Details

8023 East 63rd Place Tulsa, Oklahoma 74133 United States

Stock Details

Ticker Symbol CLIR
Exchange NASDAQ
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001434524
CUSIP Number 185064201
ISIN Number US1850642018
SIC Code 3823

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