ClearSign Technologies Corporation (CLIR)

In the past six months, ClearSign reported record revenues for Q4 and the full year 2025, driven by process burner products. A 1-for-10 reverse stock split became effective. The company reported successful testing of its ClearSign Core™ Flexible Fuel burner. ClearSign received engineering orders for burners for refineries and a low-emission flare order. The gross profit margin for 2025 decreased due to warranty accruals, and the net loss increased due to non-recurring legal fees. The company's share price crossed above its fifty-day moving average, and short interest increased.

Analysis of ClearSign Technologies Corp. seasonal charts indicates a period of seasonal strength for the Industrials sector, which runs from October 29 to May 10. A "Buy Date" of April 12 and a "Sell Date" of July 2 has historically resulted in a geometric average return of 11.71% above the S&P 500 Total Return Index over the past 13 years. This suggests that demand for ClearSign's products and services may exhibit some seasonality, aligning with broader industrial sector trends.

ClearSign Technologies Corporation specializes in advanced combustion systems and emissions control solutions, focusing on decarbonization and improving industrial and commercial systems. The company operates within the Industrials sector, specifically in the Industrial Machinery and Industrial Instruments for Measurement, Display, and Control industries. ClearSign's core mission is to enhance energy efficiency, reduce environmental impact, and enable the use of cleaner fuels, including hydrogen. The company's 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. ClearSign serves a broad range of markets, including energy, institutional, commercial and industrial boiler, chemical, petrochemical, transport, and power industries.

ClearSign Technologies Corporation designs and develops its products and technologies for industrial and commercial systems in the United States, the People's Republic of China, and Hong Kong. The company has also been focused on increasing its presence in international markets, particularly in Asia, where there is growing demand for emissions control technologies.

ClearSign Technologies has been building its reputation as a technology solutions provider, with growing recognition and increasing traction in its markets. The company launched a co-branded ClearSign Core Process Burner product line with Zeeco, Inc. ClearSign is continuously enhancing and innovating its product offerings, including hydrogen burners and improvements to the ClearSign Eye sensor. A major Gulf Coast refinery installed ClearSign's flame sensor technology. ClearSign secured a federal grant to advance hydrogen-compatible burners and successfully completed testing of its flexible fuel burner with the U.S. Department of Energy.

ClearSign Technologies Corporation has 41 institutional owners and shareholders holding a total of 4,477,252 shares. Institutional shareholders own 83.66% of the stock, while insiders own 801.13%, and retail investors own 0.00%. Major institutional owners include Vanguard Group Inc, Simon Quick Advisors, Llc, and Geode Capital Management, Llc. Robert Thurston Hoffman Sr. is the largest individual shareholder.