X0609 4 2026-04-01 0001494259 CarGurus, Inc. CARG 0001718636 Trevisan Jason false 1001 BOYLSTON STREET 16TH FLOOR BOSTON MA 02115 1 1 Chief Executive Officer 0 Class A Common Stock 2026-04-01 4 F 0 21509 33.55 D 827043 D Class A Common Stock 80000 I See Footnote Class A Common Stock 200000 I See Footnote Shares withheld for payment of tax liability upon vesting of restricted stock units. These shares are held directly by the Jason Trevisan 2019 Family Trust dated July 23, 2019 (the "Family Trust"), of which the Reporting Person is trustee. The Reporting Person and members of his immediate family are the beneficiaries of the Family Trust. These shares are held directly by the Trevisan 2025 Grantor Retained Annuity Trust dated March 13, 2025 (the "GRAT"), of which the Reporting Person is trustee. The Reporting Person's children are the beneficiaries of the GRAT. /s/ Ariel Borgendale, as attorney-in-fact 2026-04-02