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Such vesting may be accelerated in connection with a Change in Control (as defined in the Issuer's Omnibus Incentive Compensation Plan)."}],"balance_after":141397,"source":{"system":"sec-edgar","filing":"0001127602-22-017180","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222017180/form4.xml","form_type":"4"}},{"id":2686517,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2021-06-02T22:49:40.000Z","date":"2021-06-02","kind":"grant","acquired":true,"shares":5504,"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 (the \"Common Stock\"). Subject to the Reporting Person's continuous service as a director of the Issuer, 100% of the RSUs will vest on the first anniversary of the grant date. Such vesting may be accelerated in connection with a Change in Control (as defined in the Issuer's Omnibus Incentive Compensation Plan)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The Reporting Person is a managing director of Allen & Company LLC (\"Allen\"). On March 1, 2021, for no consideration, Allen distributed shares of the Issuer's Common Stock to all of its members on a pro-rata basis, including 47,890 shares of the Issuer's Common Stock to the Reporting Person. The aforementioned distribution was made in accordance with the exemption afforded by Rule 16a-9 of the Securities Exchange Act of 1934, as amended."}],"balance_after":134593,"source":{"system":"sec-edgar","filing":"0001127602-21-018829","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221018829/form4.xml","form_type":"4"}},{"id":3122043,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2020-06-04T20:41:46.000Z","date":"2020-06-02","kind":"grant","acquired":true,"shares":5474,"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 a director of the Issuer, 100% of the RSUs will vest on the first anniversary of the grant date. Such vesting may be accelerated in connection with a Change in Control (as defined in the Issuer's Omnibus Incentive Compensation Plan)."}],"balance_after":81199,"source":{"system":"sec-edgar","filing":"0001127602-20-018852","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760220018852/form4.xml","form_type":"4"}},{"id":3359101,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2019-11-26T21:26:01.000Z","date":"2019-11-22","kind":"sale","acquired":false,"shares":1238,"price":39.85,"value":49334.3,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.84 to $39.86 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":75725,"source":{"system":"sec-edgar","filing":"0001127602-19-033764","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219033764/form4.xml","form_type":"4"}},{"id":3361141,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2019-11-22T21:21:42.000Z","date":"2019-11-21","kind":"sale","acquired":false,"shares":30315,"price":40.21,"value":1218966.15,"ownership":{"direct":true},"footnotes":[{"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 $40.20 to $40.27 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":76963,"source":{"system":"sec-edgar","filing":"0001127602-19-033582","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219033582/form4.xml","form_type":"4"}},{"id":3361140,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2019-11-22T21:21:42.000Z","date":"2019-11-20","kind":"sale","acquired":false,"shares":58715,"price":40.26,"value":2363865.9,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.25 to $40.34 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":107278,"source":{"system":"sec-edgar","filing":"0001127602-19-033582","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219033582/form4.xml","form_type":"4"}},{"id":3364236,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class B Common Stock","published_at":"2019-11-20T21:23:30.000Z","date":"2019-11-18","kind":"exercise","acquired":false,"shares":187440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the conversion of Class B common stock into Class A common stock at the Reporting Person's election."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":187440},"source":{"system":"sec-edgar","filing":"0001127602-19-033370","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219033370/form4.xml","form_type":"4"}},{"id":3364235,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2019-11-20T21:23:30.000Z","date":"2019-11-19","kind":"sale","acquired":false,"shares":117732,"price":39.75,"value":4679847.0,"ownership":{"direct":true},"footnotes":[{"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 $39.70 to $39.91 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":165993,"source":{"system":"sec-edgar","filing":"0001127602-19-033370","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219033370/form4.xml","form_type":"4"}},{"id":3364234,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2019-11-20T21:23:30.000Z","date":"2019-11-18","kind":"exercise","acquired":true,"shares":187440,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the conversion of Class B common stock into Class A common stock at the Reporting Person's election."}],"balance_after":283725,"source":{"system":"sec-edgar","filing":"0001127602-19-033370","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219033370/form4.xml","form_type":"4"}},{"id":3441079,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2019-08-12T20:31:56.000Z","date":"2019-08-09","kind":"sale","acquired":false,"shares":805,"price":33.32,"value":26822.6,"ownership":{"direct":true},"footnotes":[{"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 $33.32 to $33.33 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":96285,"source":{"system":"sec-edgar","filing":"0001127602-19-026412","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219026412/form4.xml","form_type":"4"}},{"id":3441078,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2019-08-12T20:31:56.000Z","date":"2019-08-09","kind":"sale","acquired":false,"shares":12343,"price":32.69,"value":403492.67,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.16 to $33.02 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":97090,"source":{"system":"sec-edgar","filing":"0001127602-19-026412","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219026412/form4.xml","form_type":"4"}},{"id":3533605,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2019-05-09T20:44:28.000Z","date":"2019-05-07","kind":"grant","acquired":true,"shares":3745,"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 (the \"Common Stock\"). Subject to the Reporting Person's continuous service as a director of the Issuer, 100% of the RSUs will vest on the first anniversary of the grant date. Such vesting may be accelerated in connection with a Change in Control (as defined in the Issuer's Omnibus Incentive Compensation Plan)."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"The Reporting Person is a managing director of Allen & Company LLC (\"Allen\"). On December 4, 2018, for no consideration, Allen distributed shares of the Issuer's Common Stock to all of its members on a pro-rata basis, including 13,148 shares of the Issuer's Common Stock to the Reporting Person. The aforementioned distribution was made in accordance with the exemption afforded by Rule 16a-9 of the Securities Exchange Act of 1934, as amended."}],"balance_after":109433,"source":{"system":"sec-edgar","filing":"0001127602-19-017932","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760219017932/form4.xml","form_type":"4"}},{"id":3832792,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-27T20:25:39.000Z","date":"2018-08-24","kind":"sale","acquired":false,"shares":98442,"price":49.64,"value":4886660.88,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.50 to $49.85 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":92540,"source":{"system":"sec-edgar","filing":"0001127602-18-026287","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218026287/form4.xml","form_type":"4"}},{"id":3834792,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-23T21:33:26.000Z","date":"2018-08-23","kind":"sale","acquired":false,"shares":2599,"price":49.76,"value":129326.24,"ownership":{"direct":true},"footnotes":[{"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 $49.75 to $49.78 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":190982,"source":{"system":"sec-edgar","filing":"0001127602-18-026122","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218026122/form4.xml","form_type":"4"}},{"id":3834791,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-23T21:33:26.000Z","date":"2018-08-22","kind":"sale","acquired":false,"shares":3200,"price":49.75,"value":159200.0,"ownership":{"direct":true},"balance_after":193581,"source":{"system":"sec-edgar","filing":"0001127602-18-026122","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218026122/form4.xml","form_type":"4"}},{"id":3834790,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-23T21:33:26.000Z","date":"2018-08-21","kind":"sale","acquired":false,"shares":4800,"price":49.86,"value":239328.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $49.75 to $49.90 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":196781,"source":{"system":"sec-edgar","filing":"0001127602-18-026122","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218026122/form4.xml","form_type":"4"}},{"id":3838299,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-20T20:10:50.000Z","date":"2018-08-17","kind":"sale","acquired":false,"shares":75000,"price":49.82,"value":3736500.0,"ownership":{"direct":true},"footnotes":[{"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 $49.51 to $50.00 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":201581,"source":{"system":"sec-edgar","filing":"0001127602-18-025789","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218025789/form4.xml","form_type":"4"}},{"id":3838298,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-20T20:10:50.000Z","date":"2018-08-16","kind":"sale","acquired":false,"shares":26400,"price":50.05,"value":1321320.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.00 to $50.29 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":276581,"source":{"system":"sec-edgar","filing":"0001127602-18-025789","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218025789/form4.xml","form_type":"4"}},{"id":3841750,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-16T20:12:25.000Z","date":"2018-08-15","kind":"sale","acquired":false,"shares":38743,"price":50.6,"value":1960395.8,"ownership":{"direct":true},"footnotes":[{"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 $50.50 to $50.88 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":302981,"source":{"system":"sec-edgar","filing":"0001127602-18-025582","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218025582/form4.xml","form_type":"4"}},{"id":3841749,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-16T20:12:25.000Z","date":"2018-08-14","kind":"sale","acquired":false,"shares":110800,"price":50.83,"value":5631964.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $50.63 to $51.48 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":341724,"source":{"system":"sec-edgar","filing":"0001127602-18-025582","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218025582/form4.xml","form_type":"4"}},{"id":3844751,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-14T20:29:33.000Z","date":"2018-08-13","kind":"sale","acquired":false,"shares":41816,"price":51.31,"value":2145578.96,"ownership":{"direct":true},"footnotes":[{"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 $51.25 to $51.80 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":452524,"source":{"system":"sec-edgar","filing":"0001127602-18-025300","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218025300/form4.xml","form_type":"4"}},{"id":3844750,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-14T20:29:33.000Z","date":"2018-08-10","kind":"sale","acquired":false,"shares":83200,"price":52.65,"value":4380480.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $52.00 to $53.02 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":494340,"source":{"system":"sec-edgar","filing":"0001127602-18-025300","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218025300/form4.xml","form_type":"4"}},{"id":3847435,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-10T20:20:54.000Z","date":"2018-08-09","kind":"sale","acquired":false,"shares":3325,"price":54.68,"value":181811.0,"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."},{"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 $53.62 to $55.41 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":577540,"source":{"system":"sec-edgar","filing":"0001127602-18-025130","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218025130/form4.xml","form_type":"4"}},{"id":3847434,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-10T20:20:54.000Z","date":"2018-08-08","kind":"sale","acquired":false,"shares":3325,"price":53.93,"value":179317.25,"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 $51.50 to $55.97 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":580865,"source":{"system":"sec-edgar","filing":"0001127602-18-025130","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218025130/form4.xml","form_type":"4"}},{"id":3850825,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-07T21:30:56.000Z","date":"2018-08-07","kind":"sale","acquired":false,"shares":3325,"price":45.3,"value":150622.5,"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 $43.99 to $46.20 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":584190,"source":{"system":"sec-edgar","filing":"0001127602-18-024868","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218024868/form4.xml","form_type":"4"}},{"id":3850824,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-07T21:30:56.000Z","date":"2018-08-06","kind":"sale","acquired":false,"shares":3325,"price":44.82,"value":149026.5,"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 $44.01 to $45.75 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":587515,"source":{"system":"sec-edgar","filing":"0001127602-18-024868","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218024868/form4.xml","form_type":"4"}},{"id":3850823,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-07T21:30:56.000Z","date":"2018-08-03","kind":"sale","acquired":false,"shares":3325,"price":44.28,"value":147231.0,"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."},{"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 $43.74 to $45.00 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":590840,"source":{"system":"sec-edgar","filing":"0001127602-18-024868","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218024868/form4.xml","form_type":"4"}},{"id":3853214,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-03T20:15:43.000Z","date":"2018-08-02","kind":"sale","acquired":false,"shares":3325,"price":44.12,"value":146699.0,"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."},{"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 $43.41 to $44.69 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":594165,"source":{"system":"sec-edgar","filing":"0001127602-18-024589","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218024589/form4.xml","form_type":"4"}},{"id":3853213,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-03T20:15:43.000Z","date":"2018-08-01","kind":"sale","acquired":false,"shares":3325,"price":43.89,"value":145934.25,"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 $43.40 to $44.51 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":597490,"source":{"system":"sec-edgar","filing":"0001127602-18-024589","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218024589/form4.xml","form_type":"4"}},{"id":3856812,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-01T21:25:02.000Z","date":"2018-07-31","kind":"sale","acquired":false,"shares":3325,"price":42.34,"value":140780.5,"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 $41.09 to $43.53 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":600815,"source":{"system":"sec-edgar","filing":"0001127602-18-024281","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218024281/form4.xml","form_type":"4"}},{"id":3856811,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-08-01T21:25:02.000Z","date":"2018-07-30","kind":"sale","acquired":false,"shares":3325,"price":41.21,"value":137023.25,"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 $40.23 to $42.05 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":604140,"source":{"system":"sec-edgar","filing":"0001127602-18-024281","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218024281/form4.xml","form_type":"4"}},{"id":3859062,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-30T21:25:09.000Z","date":"2018-07-27","kind":"sale","acquired":false,"shares":3325,"price":40.47,"value":134562.75,"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 $39.84 to $41.12 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":607465,"source":{"system":"sec-edgar","filing":"0001127602-18-024046","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218024046/form4.xml","form_type":"4"}},{"id":3859061,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-30T21:25:09.000Z","date":"2018-07-26","kind":"sale","acquired":false,"shares":3325,"price":40.68,"value":135261.0,"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."},{"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 $39.51 to $41.57 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":610790,"source":{"system":"sec-edgar","filing":"0001127602-18-024046","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218024046/form4.xml","form_type":"4"}},{"id":3860891,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-26T20:07:14.000Z","date":"2018-07-25","kind":"sale","acquired":false,"shares":3325,"price":39.24,"value":130473.0,"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."},{"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 $38.03 to $39.80 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":614115,"source":{"system":"sec-edgar","filing":"0001127602-18-023901","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023901/form4.xml","form_type":"4"}},{"id":3860890,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-26T20:07:14.000Z","date":"2018-07-24","kind":"sale","acquired":false,"shares":3325,"price":38.62,"value":128411.5,"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 $37.93 to $39.47 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":617440,"source":{"system":"sec-edgar","filing":"0001127602-18-023901","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023901/form4.xml","form_type":"4"}},{"id":3862225,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-24T20:09:07.000Z","date":"2018-07-23","kind":"sale","acquired":false,"shares":3325,"price":38.41,"value":127713.25,"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 $37.53 to $38.86 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":620765,"source":{"system":"sec-edgar","filing":"0001127602-18-023779","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023779/form4.xml","form_type":"4"}},{"id":3862224,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-24T20:09:07.000Z","date":"2018-07-20","kind":"sale","acquired":false,"shares":3325,"price":37.43,"value":124454.75,"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 $36.53 to $37.74 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":624090,"source":{"system":"sec-edgar","filing":"0001127602-18-023779","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023779/form4.xml","form_type":"4"}},{"id":3863658,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-20T20:07:44.000Z","date":"2018-07-19","kind":"sale","acquired":false,"shares":3325,"price":36.58,"value":121628.5,"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 $36.06 to $37.01 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":627415,"source":{"system":"sec-edgar","filing":"0001127602-18-023667","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023667/form4.xml","form_type":"4"}},{"id":3863657,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-20T20:07:44.000Z","date":"2018-07-18","kind":"sale","acquired":false,"shares":3325,"price":36.63,"value":121794.75,"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 $36.00 to $37.29 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":630740,"source":{"system":"sec-edgar","filing":"0001127602-18-023667","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023667/form4.xml","form_type":"4"}},{"id":3865278,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-18T21:21:48.000Z","date":"2018-07-17","kind":"sale","acquired":false,"shares":3325,"price":37.36,"value":124222.0,"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."},{"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 $36.56 to $37.94 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":634065,"source":{"system":"sec-edgar","filing":"0001127602-18-023521","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023521/form4.xml","form_type":"4"}},{"id":3865277,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-18T21:21:48.000Z","date":"2018-07-16","kind":"sale","acquired":false,"shares":3325,"price":37.06,"value":123224.5,"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 $36.57 to $37.38 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":637390,"source":{"system":"sec-edgar","filing":"0001127602-18-023521","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023521/form4.xml","form_type":"4"}},{"id":3867281,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-16T20:05:26.000Z","date":"2018-07-13","kind":"sale","acquired":false,"shares":3325,"price":37.06,"value":123224.5,"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 $36.45 to $37.62 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":640715,"source":{"system":"sec-edgar","filing":"0001127602-18-023255","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023255/form4.xml","form_type":"4"}},{"id":3867280,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-16T20:05:26.000Z","date":"2018-07-12","kind":"sale","acquired":false,"shares":2650,"price":36.86,"value":97679.0,"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."},{"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 $35.81 to $37.22 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":644040,"source":{"system":"sec-edgar","filing":"0001127602-18-023255","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023255/form4.xml","form_type":"4"}},{"id":3868708,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-12T22:25:20.000Z","date":"2018-07-11","kind":"sale","acquired":false,"shares":2650,"price":35.74,"value":94711.0,"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."},{"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 $35.17 to $35.94 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":646690,"source":{"system":"sec-edgar","filing":"0001127602-18-023156","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023156/form4.xml","form_type":"4"}},{"id":3869283,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-11T20:13:16.000Z","date":"2018-07-10","kind":"sale","acquired":false,"shares":100,"price":36.09,"value":3609.0,"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":649340,"source":{"system":"sec-edgar","filing":"0001127602-18-023109","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023109/form4.xml","form_type":"4"}},{"id":3869282,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-11T20:13:16.000Z","date":"2018-07-09","kind":"sale","acquired":false,"shares":2650,"price":36.15,"value":95797.5,"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 $35.96 to $36.40 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":649440,"source":{"system":"sec-edgar","filing":"0001127602-18-023109","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218023109/form4.xml","form_type":"4"}},{"id":3871156,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-09T20:21:34.000Z","date":"2018-07-06","kind":"sale","acquired":false,"shares":2650,"price":36,"value":95400.0,"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."},{"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 $35.90 to $36.23 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":652090,"source":{"system":"sec-edgar","filing":"0001127602-18-022986","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218022986/form4.xml","form_type":"4"}},{"id":3871804,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-06T20:37:28.000Z","date":"2018-07-05","kind":"sale","acquired":false,"shares":2650,"price":35.73,"value":94684.5,"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 $35.30 to $35.96 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":654740,"source":{"system":"sec-edgar","filing":"0001127602-18-022927","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218022927/form4.xml","form_type":"4"}},{"id":3871803,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-06T20:37:28.000Z","date":"2018-07-03","kind":"sale","acquired":false,"shares":2650,"price":35.55,"value":94207.5,"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 $35.36 to $35.66 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":657390,"source":{"system":"sec-edgar","filing":"0001127602-18-022927","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218022927/form4.xml","form_type":"4"}},{"id":3875049,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-03T20:51:02.000Z","date":"2018-07-02","kind":"sale","acquired":false,"shares":2650,"price":34.93,"value":92564.5,"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 $34.37 to $35.65 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":660040,"source":{"system":"sec-edgar","filing":"0001127602-18-022668","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218022668/form4.xml","form_type":"4"}},{"id":3875048,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-07-03T20:51:02.000Z","date":"2018-06-29","kind":"sale","acquired":false,"shares":2650,"price":34.63,"value":91769.5,"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 $34.10 to $34.98 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":662690,"source":{"system":"sec-edgar","filing":"0001127602-18-022668","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218022668/form4.xml","form_type":"4"}},{"id":3880476,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-06-29T20:22:46.000Z","date":"2018-06-28","kind":"sale","acquired":false,"shares":2650,"price":34.01,"value":90126.5,"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 $33.46 to $34.47 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":665340,"source":{"system":"sec-edgar","filing":"0001127602-18-022031","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218022031/form4.xml","form_type":"4"}},{"id":3880475,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-06-29T20:22:46.000Z","date":"2018-06-27","kind":"sale","acquired":false,"shares":2650,"price":34.43,"value":91239.5,"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 $33.85 to $34.99 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":667990,"source":{"system":"sec-edgar","filing":"0001127602-18-022031","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218022031/form4.xml","form_type":"4"}},{"id":3882244,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-06-27T20:18:31.000Z","date":"2018-06-26","kind":"sale","acquired":false,"shares":2650,"price":34.84,"value":92326.0,"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."},{"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 $34.59 to $35.10 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":670640,"source":{"system":"sec-edgar","filing":"0001127602-18-021956","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218021956/form4.xml","form_type":"4"}},{"id":3882243,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-06-27T20:18:31.000Z","date":"2018-06-25","kind":"sale","acquired":false,"shares":2650,"price":34.81,"value":92246.5,"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 $34.11 to $35.32 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":673290,"source":{"system":"sec-edgar","filing":"0001127602-18-021956","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218021956/form4.xml","form_type":"4"}},{"id":3884070,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-06-25T20:18:14.000Z","date":"2018-06-22","kind":"sale","acquired":false,"shares":2650,"price":34.61,"value":91716.5,"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 $34.59 to $34.76 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":675940,"source":{"system":"sec-edgar","filing":"0001127602-18-021834","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218021834/form4.xml","form_type":"4"}},{"id":3884069,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-06-25T20:18:14.000Z","date":"2018-06-21","kind":"sale","acquired":false,"shares":2650,"price":35.33,"value":93624.5,"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 $34.99 to $35.77 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":678590,"source":{"system":"sec-edgar","filing":"0001127602-18-021834","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218021834/form4.xml","form_type":"4"}},{"id":3886078,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-06-21T20:35:41.000Z","date":"2018-06-20","kind":"sale","acquired":false,"shares":2650,"price":35.89,"value":95108.5,"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 $35.05 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":681240,"source":{"system":"sec-edgar","filing":"0001127602-18-021686","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218021686/form4.xml","form_type":"4"}},{"id":3886077,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true}}],"security":"Class A Common Stock","published_at":"2018-06-21T20:35:41.000Z","date":"2018-06-19","kind":"sale","acquired":false,"shares":2650,"price":35.64,"value":94446.0,"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."},{"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 $35.03 to $35.91 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":683890,"source":{"system":"sec-edgar","filing":"0001127602-18-021686","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760218021686/form4.xml","form_type":"4"}},{"id":3888759,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-19T20:30:39.000Z","date":"2018-06-18","kind":"sale","acquired":false,"shares":2650,"price":35.85,"value":95002.5,"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 $34.70 to $36.35 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":686540,"source":{"system":"sec-edgar","filing":"0000899243-18-017173","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318017173/doc4.xml","form_type":"4"}},{"id":3888758,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-19T20:30:39.000Z","date":"2018-06-15","kind":"sale","acquired":false,"shares":2650,"price":35.1,"value":93015.0,"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."},{"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 $34.55 to $35.88 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":689190,"source":{"system":"sec-edgar","filing":"0000899243-18-017173","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318017173/doc4.xml","form_type":"4"}},{"id":3892581,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-15T20:30:31.000Z","date":"2018-06-14","kind":"sale","acquired":false,"shares":2650,"price":35.38,"value":93757.0,"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. 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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":691840,"source":{"system":"sec-edgar","filing":"0000899243-18-016768","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318016768/doc4.xml","form_type":"4"}},{"id":3892580,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-15T20:30:31.000Z","date":"2018-06-13","kind":"sale","acquired":false,"shares":2650,"price":35.9,"value":95135.0,"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."},{"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 $35.25 to $36.26 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":694490,"source":{"system":"sec-edgar","filing":"0000899243-18-016768","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318016768/doc4.xml","form_type":"4"}},{"id":3895460,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-13T20:30:20.000Z","date":"2018-06-12","kind":"sale","acquired":false,"shares":2650,"price":35.48,"value":94022.0,"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. 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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":697140,"source":{"system":"sec-edgar","filing":"0000899243-18-016364","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318016364/doc4.xml","form_type":"4"}},{"id":3895459,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-13T20:30:20.000Z","date":"2018-06-11","kind":"sale","acquired":false,"shares":2650,"price":34.68,"value":91902.0,"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."},{"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 $34.37 to $35.00 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":699790,"source":{"system":"sec-edgar","filing":"0000899243-18-016364","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318016364/doc4.xml","form_type":"4"}},{"id":3898414,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-11T20:30:42.000Z","date":"2018-06-08","kind":"sale","acquired":false,"shares":2650,"price":33.32,"value":88298.0,"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. 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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":702440,"source":{"system":"sec-edgar","filing":"0000899243-18-015997","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318015997/doc4.xml","form_type":"4"}},{"id":3898413,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-11T20:30:42.000Z","date":"2018-06-07","kind":"sale","acquired":false,"shares":2650,"price":33.75,"value":89437.5,"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 $33.31 to $34.02 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":705090,"source":{"system":"sec-edgar","filing":"0000899243-18-015997","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318015997/doc4.xml","form_type":"4"}},{"id":3901615,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-07T21:00:34.000Z","date":"2018-06-06","kind":"sale","acquired":false,"shares":2650,"price":33.21,"value":88006.5,"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 $33.00 to $33.49 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":707740,"source":{"system":"sec-edgar","filing":"0000899243-18-015491","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318015491/doc4.xml","form_type":"4"}},{"id":3901614,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-07T21:00:34.000Z","date":"2018-06-05","kind":"sale","acquired":false,"shares":2650,"price":33.06,"value":87609.0,"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. 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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":710390,"source":{"system":"sec-edgar","filing":"0000899243-18-015491","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318015491/doc4.xml","form_type":"4"}},{"id":3905339,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-05T20:30:28.000Z","date":"2018-06-04","kind":"sale","acquired":false,"shares":2650,"price":33.18,"value":87927.0,"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."},{"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 $32.86 to $33.50 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":713040,"source":{"system":"sec-edgar","filing":"0000899243-18-015098","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318015098/doc4.xml","form_type":"4"}},{"id":3905338,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-05T20:30:28.000Z","date":"2018-06-01","kind":"sale","acquired":false,"shares":2650,"price":32.77,"value":86840.5,"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 $32.56 to $33.04 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":715690,"source":{"system":"sec-edgar","filing":"0000899243-18-015098","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318015098/doc4.xml","form_type":"4"}},{"id":3910725,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-01T21:00:36.000Z","date":"2018-05-31","kind":"sale","acquired":false,"shares":2650,"price":33.06,"value":87609.0,"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. 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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":718340,"source":{"system":"sec-edgar","filing":"0000899243-18-014695","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318014695/doc4.xml","form_type":"4"}},{"id":3910724,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-06-01T21:00:36.000Z","date":"2018-05-30","kind":"sale","acquired":false,"shares":2650,"price":31.8,"value":84270.0,"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."},{"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 $31.75 to $32.00 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":720990,"source":{"system":"sec-edgar","filing":"0000899243-18-014695","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318014695/doc4.xml","form_type":"4"}},{"id":3914117,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-30T20:30:28.000Z","date":"2018-05-29","kind":"sale","acquired":false,"shares":2325,"price":31.17,"value":72470.25,"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 $31.05 to $31.38 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":723640,"source":{"system":"sec-edgar","filing":"0000899243-18-014444","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318014444/doc4.xml","form_type":"4"}},{"id":3914116,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-30T20:30:28.000Z","date":"2018-05-25","kind":"sale","acquired":false,"shares":2325,"price":31.01,"value":72098.25,"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 $30.84 to $31.34 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":725965,"source":{"system":"sec-edgar","filing":"0000899243-18-014444","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318014444/doc4.xml","form_type":"4"}},{"id":3917043,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-25T20:33:08.000Z","date":"2018-05-24","kind":"grant","acquired":true,"shares":4793,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","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 a director of the Issuer, 100% of the RSUs will vest on the first anniversary of the grant date. 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These shares were sold in multiple transactions at prices ranging from $31.15 to $32.06 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":723497,"source":{"system":"sec-edgar","filing":"0000899243-18-014116","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318014116/doc4.xml","form_type":"4"}},{"id":3917041,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-25T20:33:08.000Z","date":"2018-05-23","kind":"sale","acquired":false,"shares":2325,"price":30.93,"value":71912.25,"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 $30.72 to $31.03 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":725822,"source":{"system":"sec-edgar","filing":"0000899243-18-014116","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318014116/doc4.xml","form_type":"4"}},{"id":3920544,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-23T20:31:14.000Z","date":"2018-05-22","kind":"sale","acquired":false,"shares":2325,"price":31.27,"value":72702.75,"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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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":728147,"source":{"system":"sec-edgar","filing":"0000899243-18-013823","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318013823/doc4.xml","form_type":"4"}},{"id":3920543,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-23T20:31:14.000Z","date":"2018-05-21","kind":"sale","acquired":false,"shares":2325,"price":31.86,"value":74074.5,"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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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":730472,"source":{"system":"sec-edgar","filing":"0000899243-18-013823","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318013823/doc4.xml","form_type":"4"}},{"id":3924021,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-21T20:32:26.000Z","date":"2018-05-18","kind":"sale","acquired":false,"shares":2650,"price":31.96,"value":84694.0,"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. 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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":732797,"source":{"system":"sec-edgar","filing":"0000899243-18-013569","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318013569/doc4.xml","form_type":"4"}},{"id":3924020,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-21T20:32:26.000Z","date":"2018-05-17","kind":"sale","acquired":false,"shares":2650,"price":31.86,"value":84429.0,"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."},{"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 $31.80 to $31.96 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":735447,"source":{"system":"sec-edgar","filing":"0000899243-18-013569","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318013569/doc4.xml","form_type":"4"}},{"id":3928167,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-17T20:30:22.000Z","date":"2018-05-16","kind":"sale","acquired":false,"shares":2325,"price":31.54,"value":73330.5,"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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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":738097,"source":{"system":"sec-edgar","filing":"0000899243-18-013214","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318013214/doc4.xml","form_type":"4"}},{"id":3928166,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-17T20:30:22.000Z","date":"2018-05-15","kind":"sale","acquired":false,"shares":2325,"price":31.71,"value":73725.75,"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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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":740422,"source":{"system":"sec-edgar","filing":"0000899243-18-013214","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318013214/doc4.xml","form_type":"4"}},{"id":3932850,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-15T20:30:32.000Z","date":"2018-05-14","kind":"sale","acquired":false,"shares":2650,"price":32.09,"value":85038.5,"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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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":742747,"source":{"system":"sec-edgar","filing":"0000899243-18-012884","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318012884/doc4.xml","form_type":"4"}},{"id":3932849,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-15T20:30:32.000Z","date":"2018-05-11","kind":"sale","acquired":false,"shares":2650,"price":32.62,"value":86443.0,"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. 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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":745397,"source":{"system":"sec-edgar","filing":"0000899243-18-012884","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318012884/doc4.xml","form_type":"4"}},{"id":3937052,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-11T21:01:49.000Z","date":"2018-05-10","kind":"sale","acquired":false,"shares":2650,"price":32.88,"value":87132.0,"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. 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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":748047,"source":{"system":"sec-edgar","filing":"0000899243-18-012556","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318012556/doc4.xml","form_type":"4"}},{"id":3937051,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-11T21:01:49.000Z","date":"2018-05-09","kind":"sale","acquired":false,"shares":2650,"price":31.89,"value":84508.5,"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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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":750697,"source":{"system":"sec-edgar","filing":"0000899243-18-012556","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318012556/doc4.xml","form_type":"4"}},{"id":3940970,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-09T20:30:26.000Z","date":"2018-05-08","kind":"sale","acquired":false,"shares":2650,"price":31.79,"value":84243.5,"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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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":753347,"source":{"system":"sec-edgar","filing":"0000899243-18-012085","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318012085/doc4.xml","form_type":"4"}},{"id":3940969,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-09T20:30:26.000Z","date":"2018-05-07","kind":"sale","acquired":false,"shares":2650,"price":32.11,"value":85091.5,"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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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":755997,"source":{"system":"sec-edgar","filing":"0000899243-18-012085","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318012085/doc4.xml","form_type":"4"}},{"id":3944336,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-07T20:30:34.000Z","date":"2018-05-04","kind":"sale","acquired":false,"shares":2325,"price":31.44,"value":73098.0,"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."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The reported price in Column 4 is a weighted average price. 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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":758647,"source":{"system":"sec-edgar","filing":"0000899243-18-011640","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318011640/doc4.xml","form_type":"4"}},{"id":3944335,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-07T20:30:34.000Z","date":"2018-05-03","kind":"sale","acquired":false,"shares":2325,"price":31.65,"value":73586.25,"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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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":763297,"source":{"system":"sec-edgar","filing":"0000899243-18-011322","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318011322/doc4.xml","form_type":"4"}},{"id":3947421,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-03T21:00:21.000Z","date":"2018-05-01","kind":"sale","acquired":false,"shares":2325,"price":32.24,"value":74958.0,"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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The reported price in Column 4 is a weighted average price. 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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":765622,"source":{"system":"sec-edgar","filing":"0000899243-18-011322","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318011322/doc4.xml","form_type":"4"}},{"id":3951974,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-01T21:00:36.000Z","date":"2018-04-30","kind":"sale","acquired":false,"shares":2325,"price":30.62,"value":71191.5,"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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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":767947,"source":{"system":"sec-edgar","filing":"0000899243-18-011020","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318011020/doc4.xml","form_type":"4"}},{"id":3951973,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-05-01T21:00:36.000Z","date":"2018-04-27","kind":"sale","acquired":false,"shares":2325,"price":31.01,"value":72098.25,"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 $30.50 to $31.67 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":770272,"source":{"system":"sec-edgar","filing":"0000899243-18-011020","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318011020/doc4.xml","form_type":"4"}},{"id":3955006,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-04-27T21:01:10.000Z","date":"2018-04-26","kind":"sale","acquired":false,"shares":2325,"price":31.71,"value":73725.75,"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 $31.39 to $32.00 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":772597,"source":{"system":"sec-edgar","filing":"0000899243-18-010886","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318010886/doc4.xml","form_type":"4"}},{"id":3955005,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-04-27T21:01:10.000Z","date":"2018-04-25","kind":"sale","acquired":false,"shares":2650,"price":31.89,"value":84508.5,"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 $31.75 to $31.99 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":774922,"source":{"system":"sec-edgar","filing":"0000899243-18-010886","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318010886/doc4.xml","form_type":"4"}},{"id":3957198,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-04-25T21:00:47.000Z","date":"2018-04-24","kind":"sale","acquired":false,"shares":2650,"price":32.87,"value":87105.5,"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 $32.51 to $33.05 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":777572,"source":{"system":"sec-edgar","filing":"0000899243-18-010716","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318010716/doc4.xml","form_type":"4"}},{"id":3957197,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":126351,"kind":"person","name":"Smith Ian G","position":1,"cik":"0001718891","reported_name":"Smith Ian G","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-04-25T21:00:47.000Z","date":"2018-04-23","kind":"sale","acquired":false,"shares":2650,"price":33.16,"value":87874.0,"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."},{"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 $32.72 to $33.54 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":780222,"source":{"system":"sec-edgar","filing":"0000899243-18-010716","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000089924318010716/doc4.xml","form_type":"4"}}],"next_cursor":"2018-04-25T21:00:47.000000Z,3957197"}