ClearSign Technologies

CLIR

Market cap $25.1M

TULSA, OK / ACCESS Newswire / May 29, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces the pricing of an underwritten public offering with primarily existing stockholders of 777,780 shares of its common stock (the "Public Offering") at a price to the public of $4.33 per share, for gross proceeds of $3,367,787. The Company has also granted to the underwriter a 30-day option to purchase, at the same price per share as the underwriter paid for the initial shares, up to an additional 15% of the shares of common stock offered in the Public Offering to cover over-allotments in connection with the Public Offering, which if exercised in full would increase the gross proceeds to $3,872,955.51.

TULSA, OK / ACCESS Newswire / May 28, 2026 / ClearSign Technologies Corporation (NASDAQ:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that it is proposing to sell shares of its common stock in an underwritten public offering (the "Public Offering"). All of the shares in the Public Offering are to be sold by ClearSign.

CLIR misses Q1 earnings estimates as revenues fall 52% y/y and warranty-related burner costs drive a gross loss despite lower operating expenses.

ClearSign Technologies Corporation (CLIR) Q1 2026 Earnings Call Transcript

TULSA, OK / ACCESS Newswire / May 20, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today provides an update on operations for the quarter ended March 31, 2026. "We made notable progress at the start of the year," said Jim Deller, Ph.D.

Burner Sold by Heater Manufacturer Tulsa Heaters Midstream TULSA, OK / ACCESS Newswire / May 20, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, today announces that it has received a purchase order for a ClearSign M1 burner, one of its "M" Series process burners, from heater manufacturer Tulsa Heaters Midstream ("THM"). "We are happy to see continued interest in this midstream product line," said Jim Deller, Ph.D.

Project encompasses Two Heaters and Consists of New Flat Flame Application TULSA, OK / ACCESS Newswire / May 14, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and support the use of cleaner fuels including hydrogen, announces that it has received a purchase order for the physical testing and demonstration of burners as the second phase of a process heater retrofit project comprising of a total of 32 ClearSign Core™ burners to be installed in the customers California refinery. "We are pleased to have completed the initial engineering and computational simulation for this large project for a major refinery in the California market, and to now move into testing and demonstrating the physical burners at Zeeco's full-scale test facility," said Jim Deller, Ph.D.

Hosting Call at 5pm ET on Wednesday, May 20th TULSA, OK / ACCESS Newswire / May 6, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and safety, and support the use of cleaner fuels including hydrogen, announces that on Wednesday, May 20th, 2026, the Company will host a conference call at 5:00 PM ET. The Company will file its quarterly report on form 10-Q with the SEC in the coming days and will issue a summary of its financial and operating results for the quarter ending on March 31, 2026, in a press release on the day of the call.

ClearSign Technologies Corporation (CLIR) Q4 2025 Earnings Call Transcript

Achieves Record Quarterly Revenue of $3.7 Million Annual Revenue Up 44% to Record $5.2 Million TULSA, OK / ACCESS Newswire / April 9, 2026 / ClearSign Technologies Corporation (Nasdaq:CLIR) ("ClearSign" or the "Company"), a leader in advanced combustion and sensing technologies that help industrial operators dramatically reduce emissions, increase efficiency and safety, and support the use of cleaner fuels including hydrogen, today provides an update on operations for the fourth quarter and full year ended December 31, 2025. "We're pleased to have closed the year on a high note, delivering record results for both the fourth quarter and the full year.