X0306 4 2022-01-03 0001494259 CarGurus, Inc. CARG 0001719138 Steinert Langley 2 CANAL PARK, 4TH FLOOR CAMBRIDGE MA 02141 1 1 1 Executive Chairman Class A Common Stock 2022-01-03 4 F 0 4332 33.64 D 174807 D Class A Common Stock 2 I See Footnote Shares withheld for payment of tax liability upon vesting of restricted stock units. The aggregate number of securities beneficially owned following the transactions reported herein has been adjusted to correct previous immaterial errors in the allocation of the Reporting Person's direct and indirect beneficial ownership. These shares are owned directly by The Langley Steinert Irrevocable Family Trust dated June 21, 2004, of which the Reporting Person's children are the beneficiaries. The Reporting Person may be deemed to have indirect ownership over such shares, but expressly disclaims beneficial ownership of such shares. /s/ Josh Goldstein, as attorney-in-fact 2022-01-05