{"transactions":[{"id":2147249,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-10-03T20:29:10.000Z","date":"2022-09-30","kind":"tax_withholding","acquired":false,"shares":3606,"price":14.17,"value":51097.02,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":116925,"source":{"system":"sec-edgar","filing":"0001127602-22-023245","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222023245/form4.xml","form_type":"4"}},{"id":2214628,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-07-05T20:29:25.000Z","date":"2022-07-01","kind":"tax_withholding","acquired":false,"shares":3291,"price":22.42,"value":73784.22,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":120531,"source":{"system":"sec-edgar","filing":"0001127602-22-018728","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222018728/form4.xml","form_type":"4"}},{"id":2304308,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-04-05T20:10:31.000Z","date":"2022-04-04","kind":"sale","acquired":false,"shares":93,"price":45.43,"value":4224.99,"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 $45.42 to $45.46 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":123822,"source":{"system":"sec-edgar","filing":"0001127602-22-011531","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222011531/form4.xml","form_type":"4"}},{"id":2304307,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-04-05T20:10:31.000Z","date":"2022-04-04","kind":"sale","acquired":false,"shares":1514,"price":44.71,"value":67690.94,"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 $44.41 to $45.33 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":123915,"source":{"system":"sec-edgar","filing":"0001127602-22-011531","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222011531/form4.xml","form_type":"4"}},{"id":2304306,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-04-05T20:10:31.000Z","date":"2022-04-04","kind":"sale","acquired":false,"shares":662,"price":44.05,"value":29161.1,"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 $44.34 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":125429,"source":{"system":"sec-edgar","filing":"0001127602-22-011531","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222011531/form4.xml","form_type":"4"}},{"id":2308175,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-04-04T20:29:53.000Z","date":"2022-04-01","kind":"tax_withholding","acquired":false,"shares":2388,"price":43.52,"value":103925.76,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":126091,"source":{"system":"sec-edgar","filing":"0001127602-22-011178","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222011178/form4.xml","form_type":"4"}},{"id":2365255,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-03-01T22:51:34.000Z","date":"2022-02-25","kind":"sale","acquired":false,"shares":3580,"price":39,"value":139620.0,"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":128479,"source":{"system":"sec-edgar","filing":"0001127602-22-007416","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222007416/form4.xml","form_type":"4"}},{"id":2404286,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-02-11T01:22:23.000Z","date":"2022-02-09","kind":"sale","acquired":false,"shares":1954,"price":35.6,"value":69562.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.09 to $35.84 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the Securities and Exchange Commission, the Issuer or any security holder of the Issuer."}],"balance_after":132059,"source":{"system":"sec-edgar","filing":"0001127602-22-004337","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222004337/form4.xml","form_type":"4"}},{"id":2404285,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-02-11T01:22:23.000Z","date":"2022-02-08","kind":"tax_withholding","acquired":false,"shares":1021,"price":34.88,"value":35612.48,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"Shares withheld for payment of tax liability upon vesting of RSUs."}],"balance_after":134013,"source":{"system":"sec-edgar","filing":"0001127602-22-004337","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222004337/form4.xml","form_type":"4"}},{"id":2404284,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-02-11T01:22:23.000Z","date":"2022-02-08","kind":"grant","acquired":true,"shares":64506,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F4","text":"Represents shares issuable upon settlement of RSUs granted to the Reporting Person. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. Subject to the Reporting Person's continuous service as an employee of the Issuer, 6.25% of the RSUs will vest on April 1, 2022 and 6.25% of the RSUs will vest on the last day of each three-month period thereafter until January 1, 2026. Such vesting may be accelerated in connection with a Change of Control (as defined in the 2017 Plan)."}],"balance_after":135034,"source":{"system":"sec-edgar","filing":"0001127602-22-004337","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222004337/form4.xml","form_type":"4"}},{"id":2404283,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-02-11T01:22:23.000Z","date":"2022-02-08","kind":"sale","acquired":false,"shares":626,"price":35,"value":21910.0,"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 $35.00 to $35.02 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"The Reporting Person previously reported a prior award of performance-based restricted stock units (\"RSUs\") in Table II of the Form 4 filed by the Reporting Person on February 12, 2021 (the \"Prior Form 4\"). These awards were amended by the Compensation Committee of the Issuer's Board of Directors on February 8, 2022 to revise the vesting terms thereunder from performance-based to time-based and therefore are being moved to Table I, consistent with prior grants of time-based RSUs by the Issuer to the Reporting Person. The total reported in Column 5 of this Form 4 includes the 14,040 time-based RSUs previously reported as performance-based RSUs in Table II of the Prior Form 4. Each such RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. Subject to the Reporting Person's continuous service as an employee of the Issuer, 6.25% of the RSUs vested on each of April 1, 2021, July 1, 2021, October 1, 2021 and January 1, 2022, and 6.25% of the RSUs will vest on the last day of each three-month period thereafter until January 1, 2025. Such vesting may be accelerated in connection with a Change of Control (as defined in the Issuer's Omnibus Incentive Compensation Plan (the \"2017 Plan\"))."}],"balance_after":70528,"source":{"system":"sec-edgar","filing":"0001127602-22-004337","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222004337/form4.xml","form_type":"4"}},{"id":2443867,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2022-01-05T21:18:26.000Z","date":"2022-01-03","kind":"tax_withholding","acquired":false,"shares":1374,"price":33.64,"value":46221.36,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":57114,"source":{"system":"sec-edgar","filing":"0001127602-22-000855","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760222000855/form4.xml","form_type":"4"}},{"id":2548843,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2021-10-05T21:47:38.000Z","date":"2021-10-01","kind":"tax_withholding","acquired":false,"shares":1163,"price":32.55,"value":37855.65,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":58488,"source":{"system":"sec-edgar","filing":"0001127602-21-026715","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221026715/form4.xml","form_type":"4"}},{"id":2644605,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2021-07-02T20:31:07.000Z","date":"2021-07-01","kind":"tax_withholding","acquired":false,"shares":1164,"price":26.33,"value":30648.12,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":59651,"source":{"system":"sec-edgar","filing":"0001127602-21-021251","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221021251/form4.xml","form_type":"4"}},{"id":2727130,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Restricted Stock Units","published_at":"2021-05-05T20:04:01.000Z","date":"2021-05-04","kind":"exercise","acquired":false,"shares":224,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","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.exercise_date","element":"exerciseDate","label":"F4","text":"On May 4, 2017, the Reporting Person was granted 3,600 RSUs convertible into shares of Class B common stock. The RSUs are subject to a liquidity-based vesting requirement, which was satisfied in connection with the Issuer's initial public offering, and a service-based vesting requirement. Subject to the Reporting Person's continued employment, 25% of the RSUs vested on May 4, 2018 and 6.25% of the RSUs vested on the last day of each three-month period thereafter until May 4, 2021. Any vested RSUs will settle within 60 days of the date of vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"On May 4, 2017, the Reporting Person was granted 3,600 RSUs convertible into shares of Class B common stock. The RSUs are subject to a liquidity-based vesting requirement, which was satisfied in connection with the Issuer's initial public offering, and a service-based vesting requirement. Subject to the Reporting Person's continued employment, 25% of the RSUs vested on May 4, 2018 and 6.25% of the RSUs vested on the last day of each three-month period thereafter until May 4, 2021. Any vested RSUs will settle within 60 days of the date of vesting."}],"balance_after":0,"derivative":{"exercise_price":0,"underlying":"Class B Common Stock","underlying_shares":224},"source":{"system":"sec-edgar","filing":"0001127602-21-015506","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221015506/form4.xml","form_type":"4"}},{"id":2727129,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2021-05-05T20:04:01.000Z","date":"2021-05-04","kind":"exercise","acquired":true,"shares":224,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the conversion of Class B common stock into Class A common stock at the Reporting Person's election."}],"balance_after":60815,"source":{"system":"sec-edgar","filing":"0001127602-21-015506","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221015506/form4.xml","form_type":"4"}},{"id":2727128,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2021-05-05T20:04:01.000Z","date":"2021-05-04","kind":"tax_withholding","acquired":false,"shares":99,"price":23.71,"value":2347.29,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units (\"RSUs\")."}],"balance_after":60591,"source":{"system":"sec-edgar","filing":"0001127602-21-015506","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221015506/form4.xml","form_type":"4"}},{"id":2757760,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2021-04-05T21:37:37.000Z","date":"2021-04-01","kind":"tax_withholding","acquired":false,"shares":1162,"price":24.505,"value":28474.81,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units."}],"balance_after":60690,"source":{"system":"sec-edgar","filing":"0001127602-21-013211","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221013211/form4.xml","form_type":"4"}},{"id":2863245,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Performance-Based Restricted Stock Units","published_at":"2021-02-12T22:18:26.000Z","date":"2021-02-10","kind":"grant","acquired":true,"shares":14040,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Each performance-based RSU (\"PSU\") represents a contingent right to receive one share of the Issuer's Class A Common Stock, based on the Issuer's total shareholder return (\"TSR\") compared to pre-established relative TSR goals, based on the median TSR of the TSR of the companies that comprise the S&P 500 Index as of the day before the applicable performance period, that were set by the Compensation Committee of the Issuer's Board of Directors. The aggregate number of shares issued may range from zero (0) shares to 200% of the target number of shares reported in columns 7 and 9 of this report."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Between zero (0) and 200% of one-half of the PSUs will vest, if at all, on each of December 31, 2023 and December 31, 2024. Such vesting may be accelerated in connection with a Change of Control (as defined in the 2017 Plan) or if the Reporting Person's service is terminated by the Issuer without Cause or by the Reporting Person for Good Reason (each as defined in the Reporting Person's PSU grant agreement). Any vested PSUs will settle within 60 days of the date of vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Between zero (0) and 200% of one-half of the PSUs will vest, if at all, on each of December 31, 2023 and December 31, 2024. Such vesting may be accelerated in connection with a Change of Control (as defined in the 2017 Plan) or if the Reporting Person's service is terminated by the Issuer without Cause or by the Reporting Person for Good Reason (each as defined in the Reporting Person's PSU grant agreement). Any vested PSUs will settle within 60 days of the date of vesting."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Each performance-based RSU (\"PSU\") represents a contingent right to receive one share of the Issuer's Class A Common Stock, based on the Issuer's total shareholder return (\"TSR\") compared to pre-established relative TSR goals, based on the median TSR of the TSR of the companies that comprise the S&P 500 Index as of the day before the applicable performance period, that were set by the Compensation Committee of the Issuer's Board of Directors. The aggregate number of shares issued may range from zero (0) shares to 200% of the target number of shares reported in columns 7 and 9 of this report."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Each performance-based RSU (\"PSU\") represents a contingent right to receive one share of the Issuer's Class A Common Stock, based on the Issuer's total shareholder return (\"TSR\") compared to pre-established relative TSR goals, based on the median TSR of the TSR of the companies that comprise the S&P 500 Index as of the day before the applicable performance period, that were set by the Compensation Committee of the Issuer's Board of Directors. The aggregate number of shares issued may range from zero (0) shares to 200% of the target number of shares reported in columns 7 and 9 of this report."}],"balance_after":14040,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":14040},"source":{"system":"sec-edgar","filing":"0001127602-21-005498","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221005498/form4.xml","form_type":"4"}},{"id":2863244,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Stock Option","published_at":"2021-02-12T22:18:26.000Z","date":"2021-02-10","kind":"grant","acquired":true,"shares":29205,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Subject to the Reporting Person's continuous service as an employee of the Issuer, 6.25% of the shares underlying the stock option will vest on April 1, 2021 and 6.25% of the shares underlying the stock option will vest on the last day of each three-month period thereafter until January 1, 2025. Such vesting may be accelerated in connection with a Change of Control (as defined in the 2017 Plan)."}],"balance_after":29205,"derivative":{"exercise_price":35.61,"expiration_date":"2031-02-10","underlying":"Class A Common Stock","underlying_shares":29205},"source":{"system":"sec-edgar","filing":"0001127602-21-005498","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221005498/form4.xml","form_type":"4"}},{"id":2863243,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2021-02-12T22:18:26.000Z","date":"2021-02-10","kind":"grant","acquired":true,"shares":28081,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares issuable upon settlement of restricted stock units (\"RSUs\") granted to the Reporting Person. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. Subject to the Reporting Person's continuous service as an employee of the Issuer, 6.25% of the RSUs will vest on April 1, 2021 and 6.25% of the RSUs will vest on the last day of each three-month period thereafter until January 1, 2025. Such vesting may be accelerated in connection with a Change of Control (as defined in the Issuer's Omnibus Incentive Compensation Plan (the \"2017 Plan\"))."}],"balance_after":61852,"source":{"system":"sec-edgar","filing":"0001127602-21-005498","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221005498/form4.xml","form_type":"4"}},{"id":2874459,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Restricted Stock Units","published_at":"2021-02-08T21:04:46.000Z","date":"2021-02-04","kind":"exercise","acquired":false,"shares":224,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F6","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.exercise_date","element":"exerciseDate","label":"F7","text":"On May 4, 2017, the Reporting Person was granted 3,600 RSUs convertible into shares of Class B common stock. The RSUs are subject to a liquidity-based vesting requirement, which was satisfied in connection with the Issuer's initial public offering, and a service-based vesting requirement. Subject to the Reporting Person's continued employment, 25% of the RSUs vested on May 4, 2018 and 6.25% of the RSUs vest (or have vested, as applicable) on the last day of each three-month period thereafter until May 4, 2021. Any vested RSUs will settle within 60 days of the date of vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"On May 4, 2017, the Reporting Person was granted 3,600 RSUs convertible into shares of Class B common stock. The RSUs are subject to a liquidity-based vesting requirement, which was satisfied in connection with the Issuer's initial public offering, and a service-based vesting requirement. Subject to the Reporting Person's continued employment, 25% of the RSUs vested on May 4, 2018 and 6.25% of the RSUs vest (or have vested, as applicable) on the last day of each three-month period thereafter until May 4, 2021. Any vested RSUs will settle within 60 days of the date of vesting."}],"balance_after":224,"derivative":{"exercise_price":0,"underlying":"Class B Common Stock","underlying_shares":224},"source":{"system":"sec-edgar","filing":"0001127602-21-004354","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221004354/form4.xml","form_type":"4"}},{"id":2874458,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2021-02-08T21:04:46.000Z","date":"2021-02-05","kind":"sale","acquired":false,"shares":37,"price":34.44,"value":1274.28,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.15 to $34.70 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":33771,"source":{"system":"sec-edgar","filing":"0001127602-21-004354","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221004354/form4.xml","form_type":"4"}},{"id":2874457,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2021-02-08T21:04:46.000Z","date":"2021-02-05","kind":"sale","acquired":false,"shares":182,"price":33.88,"value":6166.16,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","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 $33.15 to $34.03 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":33808,"source":{"system":"sec-edgar","filing":"0001127602-21-004354","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221004354/form4.xml","form_type":"4"}},{"id":2874456,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2021-02-08T21:04:46.000Z","date":"2021-02-04","kind":"exercise","acquired":true,"shares":224,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents the conversion of Class B common stock into Class A common stock at the Reporting Person's election."}],"balance_after":33990,"source":{"system":"sec-edgar","filing":"0001127602-21-004354","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221004354/form4.xml","form_type":"4"}},{"id":2874455,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":123388,"kind":"person","name":"Fredo Scot Christopher","position":1,"cik":"0001842330","reported_name":"Fredo Scot Christopher","relationship":{"officer":true,"officer_title":"CFO and Treasurer"}}],"security":"Class A Common Stock","published_at":"2021-02-08T21:04:46.000Z","date":"2021-02-04","kind":"tax_withholding","acquired":false,"shares":117,"price":32.77,"value":3834.09,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Shares withheld for payment of tax liability upon vesting of restricted stock units (\"RSUs\")."}],"balance_after":33766,"source":{"system":"sec-edgar","filing":"0001127602-21-004354","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000112760221004354/form4.xml","form_type":"4"}}]}