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No conversion of the Class B Common Stock is occurring as a result of the reported transaction."},{"field":"shares","element":"transactionShares","label":"F2","text":"The reported securities were purchased in a private, non-market transaction and are held by Sonic Financial Corporation (\"SFC\"), a North Carolina corporation of which the reporting person is a shareholder and an officer."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Based solely on the average of the closing price of Sonic Automotive, Inc.'s Class A Common Stock for the 30-day trading period ended September 21, 2018, as reported by the New York Stock Exchange."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Shares of Sonic Automotive, Inc.'s Class B Common Stock are convertible into shares of Sonic Automotive, Inc.'s Class A Common Stock on a 1-for-1 basis at the option of the reporting person and there is no expiration date.  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The reporting person disclaims beneficial ownership of Sonic Automotive, Inc.'s Class B Common Stock held by SFC, except to the extent of his pecuniary interest therein."}],"balance_after":9858125,"derivative":{"underlying":"Class A Common Stock","underlying_shares":976875},"source":{"system":"sec-edgar","filing":"0001209191-18-052883","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1043509/000120919118052883/doc4.xml","form_type":"4"}},{"id":4031046,"issuer":{"id":4366,"kind":"organization","name":"SONIC AUTOMOTIVE INC","symbol":"SAH"},"owners":[{"id":49441,"kind":"person","name":"SMITH DAVID BRUTON","position":1,"cik":"0001448501","reported_name":"SMITH DAVID BRUTON","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"Vice Chairman"}}],"security":"Class A Common Stock","published_at":"2018-02-27T22:40:14.000Z","date":"2018-02-23","kind":"grant","acquired":true,"shares":92525,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares of Class A Common Stock issuable upon conversion of restricted stock units granted by the Compensation Committee of Sonic Automotive, Inc. pursuant to the Sonic Automotive, Inc. 2012 Stock Incentive Plan. 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