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.
