ClearSign Technologies reported second quarter 2026 revenues of approximately $560,000, up from $133,000 in the prior year period, driven by flare system deliveries and spare parts orders. The company posted a net loss that decreased by $373,000 year-over-year due to reduced legal fees. Cash and cash equivalents stood at approximately $9.9 million as of June 30, 2026, with pro forma liquidity reaching $11.6 million after a subsequent private equity raise of $1.7 million in July 2026. Operational highlights include the appointment of Larry Saddler to the Board of Directors and significant order wins for M Series burners in West Texas, including three units scheduled for Q3 delivery and four more for Q4. The company also received an order for testing a flat-flame burner for a California refinery retrofit project. ClearSign Technologies designs and develops combustion and sensing technologies for industrial decarbonization and efficiency.

ClearSign Technologies Corporation appointed Larry M. Saddler to its Board of Directors effective August 6, 2026, filling a vacancy created at the June 8, 2026 annual meeting. Mr. Saddler brings over 40 years of engineering and operations leadership experience from ExxonMobil, including roles as Global Technology Sponsor for Heat Transfer and Fired Equipment Lead. His compensation includes $60,000 in annual cash payments and non-statutory stock options valued at $40,000 annually, with an additional make-whole provision for forfeited unvested RSUs from his prior employer. ClearSign Technologies Corporation designs and develops products and technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial systems.

ClearSign Technologies Corporation completed a private placement of 500,000 shares of common stock to Otter Capital LLC at $3.54 per share, generating $1,770,000 in gross proceeds. The company received a waiver from Newbridge Securities Corporation to permit the sale. ClearSign Technologies Corporation designs and develops products and technologies for decarbonization and improving industrial combustion and sensing systems.

ClearSign Technologies Corporation filed a prospectus supplement to recommence its at-the-market offering under an existing Sales Agreement with H.C. Wainwright & Co., LLC to sell up to $6,875,000 in common stock. ClearSign Technologies Corporation is a technology company that provides solutions for the reduction of harmful emissions in industrial and industrial-related processes.

On June 18, 2026, Newbridge Securities Corporation fully exercised an over-allotment option to purchase 116,667 additional shares of common stock from ClearSign Technologies Corporation. This transaction generated approximately $470,858 in net proceeds, which the company intends to use for working capital, research and development, marketing, sales, and general corporate purposes. This follows a previous public offering of 777,780 shares closed on June 1, 2026. ClearSign Technologies Corp provides industrial water treatment and wastewater management solutions.