ClearSign Technologies Corporation

CLIR

NASDAQ

Industrials

Industrial - Pollution & Treatment Controls

Tulsa, OK, US18 employeesclearsign.com

$4.90

+0.19(4.03%)

Mkt Cap $26M

$3.46

$10.60

52-Week Range

At a Glance

AI-generated

ClearSign Technologies Corporation reported a challenging fiscal year 2025, with revenue growth offset by significant operating losses and cash burn, as the company navigates warranty cost pressures and continues its commercialization investments.

8-K

ClearSign Technologies Corporation has regained compliance with Nasdaq's minimum bid price requirement, closing the matter and maintaining its listing on the Nasdaq Capital Market.

$26M

Market Cap

$2M

Revenue

-$6M

Net Income

Employees18

Fundamentals

How The Business Makes Money

ClearSign Technologies Corporation designs and develops products and technologies to enhance operational performance, energy efficiency, emission reduction, safety, and overall cost-effectiveness of industrial and commercial systems in the United States and the People's Republic of China. Its ClearSign Core Burner Technology consists of an industrial burner body and a downstream porous ceramic structure or metal flame stabilizing device; ClearSign Core Plug & Play technology provides direct burner replacement for traditional refinery process heaters; and ClearSign Eye Flame Sensor, an electrical flame sensor for industrial applications. The company also provides ClearSign Core Boiler Burner; and ClearSign Core Flaring Burners technologies. It serves energy, institutional, commercial and industrial boiler, chemical, and petrochemical industries. The company was formerly known as ClearSign Combustion Corporation and changed its name ClearSign Technologies Corporation in November 2019. ClearSign Technologies Corporation was incorporated in 2008 and is headquartered in Tulsa, Oklahoma.

Industry Industrial - Pollution & Treatment Controls

Activity

What Changed Recently

Financial Results

Feb 24, 2026

. Results of Operations and Financial Condition. To the extent required by Item 2.02 of Form 8-K, the information set forth below in Item 7.01 of this Current R

Financial Results

Jan 6, 2026

of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of

Other Event

Mar 29, 2026

| Other Events. | |---|---| On March 30, 2026, ClearSign Technologies Corporation (the “Company”) received a letter from The Nasdaq Stock Market LLC stating tha

Securities Modification+3 More

Mar 9, 2026

Material Modification to Rights of Security Holders. To the extent required by Item 3.03 of Form 8-K, the information regarding the Reverse Stock Split (as defi

Shareholder Vote

Mar 3, 2026

Submission of Matters to a Vote of Security Holders . On February 26, 2026, ClearSign Technologies Corporation (the “Company”) held a special meeting of stockho

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Analyst View

Company Profile

CIK0001434524

ISINUS1850641028

CUSIP185064102

Phone206 673 4848

Address8023 East 63rd Place, Tulsa, OK, 74133, US

SEC EDGAR