{"transactions":[{"id":4628716,"issuer":{"id":7487,"kind":"organization","name":"ClearSign Technologies Corp","symbol":"CLIR"},"owners":[{"id":24578,"kind":"person","name":"Saddler Larry Michael","position":1,"cik":"0002147866","reported_name":"Saddler Larry Michael","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Non-Statutory Stock Options","published_at":"2026-10-02T23:00:33.000Z","date":"2026-09-30","kind":"grant","planned":false,"acquired":true,"shares":2275,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"As compensation for services as a non-employee director during the quarter ended September 30, 2026, the reporting person was granted non-statutory stock options to purchase 2,275 shares of common stock under the ClearSign Technologies Corporation Amended and Restated 2021 Equity Incentive Plan pursuant to the issuer's non-employee director compensation policy, pro-rated based on an appointment date of August 6, 2026. These non-statutory stock options were immediately vested and exercisable on the grant date."}],"balance_after":2275,"derivative":{"exercise_price":3.55,"expiration_date":"2036-09-29","underlying":"Common Stock","underlying_shares":2275},"source":{"system":"sec-edgar","filing":"0001104659-26-113413","document":"tm2626853-2_4seq1.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/2147866/000110465926113413/tm2626853-2_4seq1.xml","form_type":"4"}}]}