February 26, 2026 · Form 4 insider transaction
Deller Colin James bought 210,043 shares of CLEARSIGN TECHNOLOGIES CORP at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 4 days after the transaction.
Represents a one-time bonus grant to reporting person for services as an executive officer for the year ended December 31, 2025, upon achievement of certain performance target metrics approved by the human capital and compensation committee of the board of directors. The number of shares awarded is based on the closing price of the Company's common stock on February 26, 2026, of $0.5616.