X0306 4 2018-06-05 0 0001494259 CarGurus, Inc. CARG 0001535772 Kaufer Stephen 2 CANAL PARK, 4TH FLOOR CAMBRIDGE MA 02141 1 0 0 0 Class A Common Stock 2018-06-05 4 S 0 24551 33.43 D 1425064 D Class A Common Stock 2018-06-06 4 S 0 13590 33.47 D 1411474 D Class A Common Stock 2018-06-07 4 S 0 361859 33.07 D 1049615 D The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.38 to $33.56 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. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.45 to $33.52 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. 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 $34.37 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. /s/ Kathleen Patton, as attorney-in-fact 2018-06-07