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The subscription price per unit was $4.00."},{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F2","text":"Each warrant entitles the holder to purchase one share of the Company's common stock at an exercise price of $4.00 from the date of issuance through January 25, 2019."}],"balance_after":1400,"derivative":{"exercise_price":4,"exercise_date":"2017-01-25","expiration_date":"2019-01-25","underlying":"Common Stock","underlying_shares":1400},"source":{"system":"sec-edgar","filing":"0001144204-17-004030","document":"v457565_4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1673849/000114420417004030/v457565_4.xml","form_type":"4"}},{"id":4480660,"issuer":{"id":7487,"kind":"organization","name":"ClearSign Technologies Corp","symbol":"CLIR"},"owners":[{"id":152383,"kind":"person","name":"Kendrick Donald W","position":1,"cik":"0001673849","reported_name":"Kendrick Donald W","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Subscription Rights (Right to Purchase)","published_at":"2017-01-26T16:30:19.000Z","date":"2016-12-27","kind":"other","acquired":false,"shares":2600,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"By IRA"},"footnotes":[{"field":"derivative.underlying","element":"underlyingSecurityTitle","label":"F1","text":"The common stock and the warrants reported on this Form 4 were acquired pursuant to the exercise of subscription rights previously distributed by the Issuer to all holders of the Issuer's common stock. Each holder received 0.2 subscription rights per share of stock owned, and each right allowed the recipient to purchase one unit, consisting of one share of common stock and one warrant to purchase one share of common stock. 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Each holder received 0.2 subscription rights per share of stock owned, and each right allowed the recipient to purchase one unit, consisting of one share of common stock and one warrant to purchase one share of common stock. 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Each holder received 0.2 subscription rights per share of stock owned, and each right allowed the recipient to purchase one unit, consisting of one share of common stock and one warrant to purchase one share of common stock. 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