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The minimum number of\nshares of Company common stock that will be issued to the Reporting Person at payment is zero, and the maximum number of shares of Company common stock that will be issued at payment is two\ntimes the number of MSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The restricted stock units shall vest on May 1, 2029."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Shares of Company common stock will be issued to the Reporting Person following vesting of the restricted stock units, which are referred to by the Company as market stock units (MSUs), in\naccordance with the terms of the Form of Notice of Market Stock Unit Grant filed as Exhibit 10.22 to the Company's Annual Report on Form 10-K filed on April 15, 2024. 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Once exercisable, the SARS would entitle the Reporting Person to receive the cash value of the options in lieu of exercising the options."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"The stock options become exercisable with respect to one-fourth of the underlying shares of Common Stock on each of May 1, 2026, May 1, 2027, May 1, 2028 and May 1, 2029."}],"balance_after":20968,"derivative":{"exercise_price":65.52,"expiration_date":"2032-05-01","underlying":"Common Stock","underlying_shares":20968},"source":{"system":"sec-edgar","filing":"0001170010-25-000056","document":"wk-form4_1746475899.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1170010/000117001025000056/wk-form4_1746475899.xml","form_type":"4"}},{"id":1159664,"issuer":{"id":3604,"kind":"organization","name":"CARMAX INC","symbol":"KMX"},"owners":[{"id":49711,"kind":"person","name":"Stuckey John M III","position":1,"cik":"0002030154","reported_name":"Stuckey John M III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Gen Counsel & Secretary"}}],"security":"Common Stock","published_at":"2025-05-05T20:11:50.000Z","date":"2025-05-02","kind":"tax_withholding","planned":false,"acquired":false,"shares":370,"price":66.71,"value":24682.7,"ownership":{"direct":true},"balance_after":1827,"source":{"system":"sec-edgar","filing":"0001170010-25-000056","document":"wk-form4_1746475899.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1170010/000117001025000056/wk-form4_1746475899.xml","form_type":"4"}},{"id":1159663,"issuer":{"id":3604,"kind":"organization","name":"CARMAX INC","symbol":"KMX"},"owners":[{"id":49711,"kind":"person","name":"Stuckey John M III","position":1,"cik":"0002030154","reported_name":"Stuckey John M III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Gen Counsel & Secretary"}}],"security":"Common Stock","published_at":"2025-05-05T20:11:50.000Z","date":"2025-05-02","kind":"exercise","planned":false,"acquired":true,"shares":1228,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Following vesting of the restricted stock units, which are referred to by the Company as market stock units (MSUs), the Reporting Person received 0.7777 times the number of MSUs in shares of Company common stock."}],"balance_after":2197,"source":{"system":"sec-edgar","filing":"0001170010-25-000056","document":"wk-form4_1746475899.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1170010/000117001025000056/wk-form4_1746475899.xml","form_type":"4"}},{"id":1453907,"issuer":{"id":3604,"kind":"organization","name":"CARMAX INC","symbol":"KMX"},"owners":[{"id":49711,"kind":"person","name":"Stuckey John M III","position":1,"cik":"0002030154","reported_name":"Stuckey John M III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Gen Counsel & Secretary"}}],"security":"Stock Options (Right to Buy)","published_at":"2024-07-16T20:13:04.000Z","date":"2024-07-15","kind":"exercise","planned":false,"acquired":false,"shares":19673,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The stock options became exercisable with respect to one-fourth of the underlying shares of Common Stock on each of May 1, 2019, May 1, 2020, May 1, 2021 and May 1, 2022 and are now fully exercisable."}],"balance_after":0,"derivative":{"exercise_price":63.04,"expiration_date":"2025-05-01","underlying":"Common Stock","underlying_shares":19673},"source":{"system":"sec-edgar","filing":"0001170010-24-000118","document":"wk-form4_1721160777.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1170010/000117001024000118/wk-form4_1721160777.xml","form_type":"4"}},{"id":1453906,"issuer":{"id":3604,"kind":"organization","name":"CARMAX INC","symbol":"KMX"},"owners":[{"id":49711,"kind":"person","name":"Stuckey John M III","position":1,"cik":"0002030154","reported_name":"Stuckey John M III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Gen Counsel & Secretary"}}],"security":"Common Stock","published_at":"2024-07-16T20:13:04.000Z","date":"2024-07-15","kind":"sale","planned":false,"acquired":false,"shares":19673,"price":82.01,"value":1613382.73,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The shares with respect to this transaction were sold at prices ranging from $82.00 to $82.07.  Upon request, the Reporting Person will provide the Securities and Exchange Commission staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":969,"source":{"system":"sec-edgar","filing":"0001170010-24-000118","document":"wk-form4_1721160777.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1170010/000117001024000118/wk-form4_1721160777.xml","form_type":"4"}},{"id":1453905,"issuer":{"id":3604,"kind":"organization","name":"CARMAX INC","symbol":"KMX"},"owners":[{"id":49711,"kind":"person","name":"Stuckey John M III","position":1,"cik":"0002030154","reported_name":"Stuckey John M III","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP, Gen Counsel & Secretary"}}],"security":"Common Stock","published_at":"2024-07-16T20:13:04.000Z","date":"2024-07-15","kind":"exercise","planned":false,"acquired":true,"shares":19673,"price":63.04,"value":1240185.92,"ownership":{"direct":true},"balance_after":20642,"source":{"system":"sec-edgar","filing":"0001170010-24-000118","document":"wk-form4_1721160777.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1170010/000117001024000118/wk-form4_1721160777.xml","form_type":"4"}}]}