X0306 4 2022-05-17 0001494259 CarGurus, Inc. CARG 0001718790 Zales Samuel 2 CANAL PARK, 4TH FLOOR CAMBRIDGE MA 02141 1 COO and President Class A Common Stock 2022-05-17 4 M 0 9039 .16 A 412442 D Class A Common Stock 2022-05-17 4 S 0 9039 25.25 D 403403 D Employee Stock Option (Right to Buy) .16 2022-05-17 4 M 0 9039 0 D 2024-12-10 Class B Common Stock 9039 151564 D This stock option exercise was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. Represents the conversion of Class B common stock into Class A common stock at the Reporting Person's election. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.00 to $25.66 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. 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. This option is fully vested and exercisable. /s/ Josh Goldstein, as attorney-in-fact 2022-05-18