ClearSign raises $1.77M via private placement of 500k shares at $3.54/share

ClearSign Technologies Corp

Sold 500,000 shares to existing stockholder Otter Capital LLC at $3.54/share for gross proceeds of $1,770,000.
Placement closed July 22, 2026; net proceeds for working capital, R&D, marketing, and general corporate purposes.
Waiver obtained from Newbridge Securities to allow the private sale, effective through July 31, 2026 or consummation.
Shares issued as restricted securities under Rule 144, no registration rights.

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