• ClearSign priced an underwritten public offering with primarily existing stockholders of 777,780 common shares at USD 4.33 each.
• Gross proceeds set at USD 3.37 million; closing expected around June 1, 2026, subject to customary conditions.
• Underwriter option for up to 116,667 additional shares; full exercise lifts gross proceeds to about USD 3.87 million.
• Net proceeds earmarked for working capital, R&D, marketing and sales, general corporate purposes.
• Newbridge Securities named sole book-running manager.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Clearsign Technologies Corporation published the original content used to generate this news brief via ACCESS Newswire (Ref. ID: 202605290830ACCESSWRNAPR_____1171767) on May 29, 2026, and is solely responsible for the information contained therein.