ClearSign Technologies Corporation (CLIR)

Over the past six months, ClearSign Technologies Corp. (CLIR) stock has seen a 5.70% increase, though it experienced a 12.69% decrease in the past month. The company provided an update on its Q2 2025 earnings, highlighting progress on major multi-heater process burner projects and steps toward launching new product offerings. Two directors voluntarily resigned, and the board size was decreased from six to five, with an intention to fill the vacancy. ClearSign received an initial engineering order for a multi-burner heater and secured a major petrochemical customer for burner testing. The company received its fourth low-emission flare burner order from a leading energy producer in California and secured an initial engineering order for a 32-burner system. CEO Jim Deller presented at the LD Micro Main Event XVII. ClearSign received a ClearSign Core™ "M" Series burner order for a mid-stream operator in New Mexico and a purchase order for a ClearSign Core™ M25 burner for a multinational energy company's gas processing facility in West Texas. The company provided its third-quarter 2025 update, reporting approximately $1 million in revenues compared to $1.9 million in the same period in 2024, with an increase in gross margin.

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ClearSign Technologies Corp. focuses on developing and commercializing advanced combustion and sensing technologies for decarbonization and improved performance in industrial and commercial systems. The company operates in the Industrials sector, specifically in Pollution & Treatment Controls and Industrial Machinery. ClearSign designs and develops products and technologies to enhance operational performance, energy efficiency, emission reduction, and safety in various industrial applications. Its major products and technologies include ClearSign Core™ burner technology, ClearSign Core™ process burner technology, ClearSign Core™ boiler burner technology, ClearSign Core™ flaring burners, ClearSign Eye™ flame sensor, Duplex Burner Architecture, and Electrodynamic Combustion Control. The company serves industries including energy, institutional, commercial and industrial boiler, chemical, and petrochemical. ClearSign Technologies Corporation was incorporated in 2008 and is headquartered in Tulsa, Oklahoma.

ClearSign Technologies Corp. operates in the United States, the People's Republic of China, and Hong Kong. The company's headquarters are located in Tulsa, Oklahoma, and it also maintains an office in Seattle, Washington.

ClearSign Technologies has been actively building its reputation as a technology solutions provider and expanding its sales channels. The company reported record annual revenue of $3.6 million for 2024. ClearSign expanded its partnership with Zeeco to launch co-branded process burner lines. The company debuted its new M-Series burner technology, with installations in a U.S. Gulf Coast facility and sales into Colorado. ClearSign has received repeat orders and new orders for its technologies, and commitments for the first commercial installation of its ClearSign Eye™ Sensor. The company's news sentiment score is 0.35, suggesting a generally positive sentiment in recent news coverage.

ClearSign Technologies Corp. is primarily owned by retail investors, who hold 86.25% of the shares. Institutional investors own 8.19%, and insiders hold 5.56%. Major institutional shareholders include Vanguard Group Inc., Simon Quick Advisors, Llc, Geode Capital Management, Llc, Cambridge Investment Research Advisors, Inc., and Blackrock, Inc.