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Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":75018,"source":{"system":"sec-edgar","filing":"0001127602-21-027184","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221027184/form4.xml","form_type":"4"}},{"id":2544475,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-10-12T20:38:37.000Z","date":"2021-10-08","kind":"sale","acquired":false,"shares":3503,"price":35.11,"value":122990.33,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.00 to $35.31 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":91515,"source":{"system":"sec-edgar","filing":"0001127602-21-026962","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221026962/form4.xml","form_type":"4"}},{"id":2548844,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-10-05T21:49:43.000Z","date":"2021-10-01","kind":"tax_withholding","acquired":false,"shares":3245,"price":32.55,"value":105624.75,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":95018,"source":{"system":"sec-edgar","filing":"0001127602-21-026719","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221026719/form4.xml","form_type":"4"}},{"id":2592218,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-08-24T21:06:45.000Z","date":"2021-08-20","kind":"tax_withholding","acquired":false,"shares":4158,"price":26.82,"value":111517.56,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":98263,"source":{"system":"sec-edgar","filing":"0001127602-21-024254","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221024254/form4.xml","form_type":"4"}},{"id":2608434,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-08-10T21:54:13.000Z","date":"2021-08-06","kind":"sale","acquired":false,"shares":3724,"price":31.45,"value":117119.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.18 to $31.74 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":102421,"source":{"system":"sec-edgar","filing":"0001127602-21-023483","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221023483/form4.xml","form_type":"4"}},{"id":2608433,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2021-08-10T21:54:13.000Z","date":"2021-08-06","kind":"sale","acquired":false,"shares":5873,"price":30.92,"value":181593.16,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.18 to $31.16 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":106145,"source":{"system":"sec-edgar","filing":"0001127602-21-023483","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221023483/form4.xml","form_type":"4"}},{"id":2644606,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common 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Such vesting may be accelerated in connection with a Change of Control (as defined in the 2017 Plan) or if the Reporting Person's service is terminated by the Issuer without Cause or by the Reporting Person for Good Reason (each as defined in the Reporting Person's PSU grant agreement). Any vested PSUs will settle within 60 days of the date of vesting."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Each performance-based RSU (\"PSU\") represents a contingent right to receive one share of the Issuer's Class A Common Stock, based on the Issuer's total shareholder return (\"TSR\") compared to pre-established relative TSR goals, based on the median TSR of the TSR of the companies that comprise the S&P 500 Index as of the day before the applicable performance period, that were set by the Compensation Committee of the Issuer's Board of Directors. The aggregate number of shares issued may range from zero (0) shares to 200% of the target number of shares reported in columns 7 and 9 of this report."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Each performance-based RSU (\"PSU\") represents a contingent right to receive one share of the Issuer's Class A Common Stock, based on the Issuer's total shareholder return (\"TSR\") compared to pre-established relative TSR goals, based on the median TSR of the TSR of the companies that comprise the S&P 500 Index as of the day before the applicable performance period, that were set by the Compensation Committee of the Issuer's Board of Directors. 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Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":136078,"source":{"system":"sec-edgar","filing":"0001127602-19-011375","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219011375/form4.xml","form_type":"4"}},{"id":3629031,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2019-02-27T22:45:17.000Z","date":"2019-02-25","kind":"sale","acquired":false,"shares":100,"price":44.79,"value":4479.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."}],"balance_after":138579,"source":{"system":"sec-edgar","filing":"0001127602-19-008757","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219008757/form4.xml","form_type":"4"}},{"id":3629030,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2019-02-27T22:45:17.000Z","date":"2019-02-25","kind":"sale","acquired":false,"shares":1136,"price":44.06,"value":50052.16,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.73 to $44.45 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":138679,"source":{"system":"sec-edgar","filing":"0001127602-19-008757","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219008757/form4.xml","form_type":"4"}},{"id":3629029,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2019-02-27T22:45:17.000Z","date":"2019-02-25","kind":"sale","acquired":false,"shares":1090,"price":43.12,"value":47000.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. 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These shares were sold in multiple transactions at prices ranging from $41.70 to $42.64 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":140905,"source":{"system":"sec-edgar","filing":"0001127602-19-008757","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219008757/form4.xml","form_type":"4"}},{"id":3635836,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"General Counsel and Secretary"}}],"security":"Class A Common Stock","published_at":"2019-02-25T22:40:03.000Z","date":"2019-02-21","kind":"tax_withholding","acquired":false,"shares":2833,"price":40.63,"value":115104.79,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":143435,"source":{"system":"sec-edgar","filing":"0001127602-19-008129","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219008129/form4.xml","form_type":"4"}},{"id":3670385,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2019-02-07T22:21:19.000Z","date":"2019-02-06","kind":"grant","acquired":true,"shares":27328,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares issuable upon settlement of restricted stock units (\"RSUs\") granted to the Reporting Person. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. Subject to the Reporting Person's continuous service as an employee of the Issuer, 6.25% of the RSUs will vest on April 1, 2019 and 6.25% of the RSUs will vest on the last day of each three-month period thereafter until January 1, 2023. Such vesting may be accelerated in connection with a Change of Control (as defined in the Issuer's Omnibus Incentive Compensation Plan)."}],"balance_after":146268,"source":{"system":"sec-edgar","filing":"0001127602-19-004615","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219004615/form4.xml","form_type":"4"}},{"id":3697292,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2019-01-11T21:11:05.000Z","date":"2018-02-28","kind":"grant","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"date","element":"transactionDate","label":"F1","text":"The original Form 4, filed on March 2, 2018, is being amended by this Form 4 amendment solely to correct an inadvertent clerical error, which misreported the transaction date as February 28, 2017. This Form 4 amendment correctly reports the transaction date in column 2 of Table I as February 28, 2018."},{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares issuable upon settlement of restricted stock units (\"RSUs\") granted to the reporting person. Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock. Subject to the reporting person's continuous service as an employee of the Issuer, 6.25% of the RSUs will vest on April 1, 2018 and 6.25% of the RSUs will vest on the last day of each three-month period thereafter until January 1, 2022. Such vesting may be accelerated in connection with a Change of Control (as defined in the Issuer's Omnibus Incentive Compensation Plan)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Also includes 150,000 shares issuable upon settlement of RSUs previously granted to the reporting person."}],"balance_after":170000,"source":{"system":"sec-edgar","filing":"0001127602-19-001869","document":"form4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219001869/form4a.xml","form_type":"4/A","original_submission_date":"2018-03-02"}},{"id":3704041,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2019-01-04T21:59:36.000Z","date":"2019-01-02","kind":"tax_withholding","acquired":false,"shares":435,"price":33.73,"value":14672.55,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":118940,"source":{"system":"sec-edgar","filing":"0001127602-19-001347","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219001347/form4.xml","form_type":"4"}},{"id":3730720,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-12-14T21:20:01.000Z","date":"2018-12-13","kind":"sale","acquired":false,"shares":26,"price":35.9,"value":933.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."}],"balance_after":119375,"source":{"system":"sec-edgar","filing":"0001127602-18-036285","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218036285/form4.xml","form_type":"4"}},{"id":3730719,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-12-14T21:20:01.000Z","date":"2018-12-13","kind":"sale","acquired":false,"shares":1980,"price":35.58,"value":70448.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. 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These shares were sold in multiple transactions at prices ranging from $38.04 to $38.76 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":121381,"source":{"system":"sec-edgar","filing":"0001127602-18-034300","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218034300/form4.xml","form_type":"4"}},{"id":3752896,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-11-26T21:19:28.000Z","date":"2018-11-21","kind":"tax_withholding","acquired":false,"shares":4168,"price":38.29,"value":159592.72,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":125276,"source":{"system":"sec-edgar","filing":"0001127602-18-034300","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218034300/form4.xml","form_type":"4"}},{"id":3798682,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-10-03T21:56:04.000Z","date":"2018-10-01","kind":"tax_withholding","acquired":false,"shares":556,"price":54.7,"value":30413.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":129444,"source":{"system":"sec-edgar","filing":"0001127602-18-029462","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218029462/form4.xml","form_type":"4"}},{"id":3814315,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-09-17T20:30:28.000Z","date":"2018-09-13","kind":"sale","acquired":false,"shares":8120,"price":51.67,"value":419560.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.67 to $52.81 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":130000,"source":{"system":"sec-edgar","filing":"0001127602-18-027771","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218027771/form4.xml","form_type":"4"}},{"id":3834794,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-08-23T21:38:16.000Z","date":"2018-08-23","kind":"sale","acquired":false,"shares":15762,"price":49.37,"value":778169.94,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $48.73 to $49.84 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":138120,"source":{"system":"sec-edgar","filing":"0001127602-18-026128","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218026128/form4.xml","form_type":"4"}},{"id":3834793,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-08-23T21:38:16.000Z","date":"2018-08-21","kind":"tax_withholding","acquired":false,"shares":14499,"price":49.66,"value":720020.34,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":153882,"source":{"system":"sec-edgar","filing":"0001127602-18-026128","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218026128/form4.xml","form_type":"4"}},{"id":3875052,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"officer":true,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-07-03T21:00:41.000Z","date":"2018-06-29","kind":"tax_withholding","acquired":false,"shares":369,"price":34.74,"value":12819.06,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":168381,"source":{"system":"sec-edgar","filing":"0001127602-18-022674","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218022674/form4.xml","form_type":"4"}},{"id":3892582,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-06-15T20:30:31.000Z","date":"2018-06-13","kind":"sale","acquired":false,"shares":304,"price":35.88,"value":10907.52,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.10 to $36.18 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":168750,"source":{"system":"sec-edgar","filing":"0000899243-18-016769","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318016769/doc4.xml","form_type":"4"}},{"id":3917037,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-05-25T20:31:45.000Z","date":"2018-05-23","kind":"sale","acquired":false,"shares":589,"price":30.95,"value":18229.55,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."}],"balance_after":169054,"source":{"system":"sec-edgar","filing":"0000899243-18-014112","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318014112/doc4.xml","form_type":"4"}},{"id":3963988,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-04-13T22:32:41.000Z","date":"2018-04-11","kind":"tax_withholding","acquired":false,"shares":357,"price":38.06,"value":13587.42,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":169643,"source":{"system":"sec-edgar","filing":"0000899243-18-010151","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318010151/doc4.xml","form_type":"4"}},{"id":4020067,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Sr. VP, GC and Secretary"}}],"security":"Class A Common Stock","published_at":"2018-03-02T23:31:09.000Z","date":"2017-02-28","kind":"grant","acquired":true,"shares":20000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares issuable upon settlement of restricted stock units (\"RSUs\") granted to the reporting person. Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock. Subject to the reporting person's continuous service as an employee of the Issuer, 6.25% of the RSUs will vest on April 1, 2018 and 6.25% of the RSUs will vest on the last day of each three-month period thereafter until January 1, 2022. Such vesting may be accelerated in connection with a Change of Control (as defined in the Issuer's Omnibus Incentive Compensation Plan)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Also includes 150,000 shares issuable upon settlement of restricted stock units (\"RSUs\") previously granted to the reporting person."}],"balance_after":170000,"source":{"system":"sec-edgar","filing":"0000899243-18-006227","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318006227/doc4.xml","form_type":"4"}},{"id":4179490,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":134517,"kind":"person","name":"Patton Kathleen Bender","position":1,"cik":"0001649463","reported_name":"Patton Kathleen Bender","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SR. VP,GC & Secretary"}}],"security":"Class A Common Stock","published_at":"2017-10-27T17:40:11.000Z","date":"2017-10-25","kind":"grant","acquired":true,"shares":150000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares issuable upon settlement of restricted stock units (\"RSUs\") granted to the reporting person. Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock. Subject to the reporting person's continuous service as an employee of the Issuer, the RSUs vest over four years, with 25% of the RSUs vesting on August 21, 2018 and 6.25% of the RSUs vesting on the last day of each three-month period thereafter until August 21, 2021. Such vesting may be accelerated in connection with a Change of Control (as defined in the Issuer's Omnibus Incentive Compensation Plan)."}],"balance_after":150000,"source":{"system":"sec-edgar","filing":"0001104659-17-064288","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000110465917064288/a4.xml","form_type":"4"}}]}