{"transactions":[{"id":4183961,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":172410,"kind":"organization","name":"RWS 2006 Family Trust","position":1,"cik":"0001718994","reported_name":"RWS 2006 Family Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series C Convertible Preferred Stock","published_at":"2017-10-18T20:50:03.000Z","date":"2017-10-16","kind":"exercise","acquired":false,"shares":40338,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Issuer's Series A Convertible Preferred Stock converted into 6.0000023 shares of the Issuer's Class A Common Stock upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220495) under the Securities Act of 1933, as amended (the \"IPO\"), and had no expiration date. Each share of the Issuer's Series B Convertible Preferred Stock converted into 6.0000015 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date.  Each share of the Issuer's Series C Convertible Preferred Stock converted into 6 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Issuer's Series A Convertible Preferred Stock converted into 6.0000023 shares of the Issuer's Class A Common Stock upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220495) under the Securities Act of 1933, as amended (the \"IPO\"), and had no expiration date. Each share of the Issuer's Series B Convertible Preferred Stock converted into 6.0000015 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date.  Each share of the Issuer's Series C Convertible Preferred Stock converted into 6 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Issuer's Series A Convertible Preferred Stock converted into 6.0000023 shares of the Issuer's Class A Common Stock upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220495) under the Securities Act of 1933, as amended (the \"IPO\"), and had no expiration date. Each share of the Issuer's Series B Convertible Preferred Stock converted into 6.0000015 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date.  Each share of the Issuer's Series C Convertible Preferred Stock converted into 6 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The RWS 2006 Family Trust is a direct beneficial owner of the shares. Anastasios Parafestas, a director of the Issuer, is a co-trustee of the trust and may be deemed to be an indirect beneficial owner of the shares. Anastasios Parafestas expressly disclaims beneficial ownership of the shares held by The RWS 2006 Family Trust."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":242028},"source":{"system":"sec-edgar","filing":"0001104659-17-062778","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000110465917062778/a4.xml","form_type":"4"}},{"id":4183960,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":172410,"kind":"organization","name":"RWS 2006 Family Trust","position":1,"cik":"0001718994","reported_name":"RWS 2006 Family Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series B Convertible Preferred Stock","published_at":"2017-10-18T20:50:03.000Z","date":"2017-10-16","kind":"exercise","acquired":false,"shares":292144,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Issuer's Series A Convertible Preferred Stock converted into 6.0000023 shares of the Issuer's Class A Common Stock upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220495) under the Securities Act of 1933, as amended (the \"IPO\"), and had no expiration date. Each share of the Issuer's Series B Convertible Preferred Stock converted into 6.0000015 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date.  Each share of the Issuer's Series C Convertible Preferred Stock converted into 6 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Issuer's Series A Convertible Preferred Stock converted into 6.0000023 shares of the Issuer's Class A Common Stock upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220495) under the Securities Act of 1933, as amended (the \"IPO\"), and had no expiration date. Each share of the Issuer's Series B Convertible Preferred Stock converted into 6.0000015 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date.  Each share of the Issuer's Series C Convertible Preferred Stock converted into 6 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Issuer's Series A Convertible Preferred Stock converted into 6.0000023 shares of the Issuer's Class A Common Stock upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220495) under the Securities Act of 1933, as amended (the \"IPO\"), and had no expiration date. Each share of the Issuer's Series B Convertible Preferred Stock converted into 6.0000015 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date.  Each share of the Issuer's Series C Convertible Preferred Stock converted into 6 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The RWS 2006 Family Trust is a direct beneficial owner of the shares. Anastasios Parafestas, a director of the Issuer, is a co-trustee of the trust and may be deemed to be an indirect beneficial owner of the shares. Anastasios Parafestas expressly disclaims beneficial ownership of the shares held by The RWS 2006 Family Trust."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1752864},"source":{"system":"sec-edgar","filing":"0001104659-17-062778","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000110465917062778/a4.xml","form_type":"4"}},{"id":4183959,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":172410,"kind":"organization","name":"RWS 2006 Family Trust","position":1,"cik":"0001718994","reported_name":"RWS 2006 Family Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Series A Convertible Preferred Stock","published_at":"2017-10-18T20:50:03.000Z","date":"2017-10-16","kind":"exercise","acquired":false,"shares":170087,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of the Issuer's Series A Convertible Preferred Stock converted into 6.0000023 shares of the Issuer's Class A Common Stock upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220495) under the Securities Act of 1933, as amended (the \"IPO\"), and had no expiration date. Each share of the Issuer's Series B Convertible Preferred Stock converted into 6.0000015 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date.  Each share of the Issuer's Series C Convertible Preferred Stock converted into 6 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of the Issuer's Series A Convertible Preferred Stock converted into 6.0000023 shares of the Issuer's Class A Common Stock upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220495) under the Securities Act of 1933, as amended (the \"IPO\"), and had no expiration date. Each share of the Issuer's Series B Convertible Preferred Stock converted into 6.0000015 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date.  Each share of the Issuer's Series C Convertible Preferred Stock converted into 6 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of the Issuer's Series A Convertible Preferred Stock converted into 6.0000023 shares of the Issuer's Class A Common Stock upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220495) under the Securities Act of 1933, as amended (the \"IPO\"), and had no expiration date. Each share of the Issuer's Series B Convertible Preferred Stock converted into 6.0000015 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date.  Each share of the Issuer's Series C Convertible Preferred Stock converted into 6 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The RWS 2006 Family Trust is a direct beneficial owner of the shares. Anastasios Parafestas, a director of the Issuer, is a co-trustee of the trust and may be deemed to be an indirect beneficial owner of the shares. Anastasios Parafestas expressly disclaims beneficial ownership of the shares held by The RWS 2006 Family Trust."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":1020522},"source":{"system":"sec-edgar","filing":"0001104659-17-062778","document":"a4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000110465917062778/a4.xml","form_type":"4"}},{"id":4183958,"issuer":{"id":4203,"kind":"organization","name":"CarGurus, Inc.","symbol":"CARG"},"owners":[{"id":172410,"kind":"organization","name":"RWS 2006 Family Trust","position":1,"cik":"0001718994","reported_name":"RWS 2006 Family Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2017-10-18T20:50:03.000Z","date":"2017-10-16","kind":"exercise","acquired":true,"shares":3015414,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of the Issuer's Series A Convertible Preferred Stock converted into 6.0000023 shares of the Issuer's Class A Common Stock upon the closing of the Issuer's sale of its Class A Common Stock in its firm commitment underwritten initial public offering pursuant to a registration statement on Form S-1 (File No. 333-220495) under the Securities Act of 1933, as amended (the \"IPO\"), and had no expiration date. Each share of the Issuer's Series B Convertible Preferred Stock converted into 6.0000015 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date.  Each share of the Issuer's Series C Convertible Preferred Stock converted into 6 shares of the Issuer's Class A Common Stock upon closing of the IPO and had no expiration date."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"The RWS 2006 Family Trust is a direct beneficial owner of the shares. Anastasios Parafestas, a director of the Issuer, is a co-trustee of the trust and may be deemed to be an indirect beneficial owner of the shares. Anastasios Parafestas expressly disclaims beneficial ownership of the shares held by The RWS 2006 Family Trust."}],"balance_after":3015414,"source":{"system":"sec-edgar","filing":"0001104659-17-062778","document":"a4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1494259/000110465917062778/a4.xml","form_type":"4"}}]}