X0508 4 2023-09-18 0 0001579091 Maplebear Inc. CART 0001201045 MORITZ MICHAEL J C/O MAPLEBEAR INC. 50 BEALE STREET, SUITE 600 SAN FRANCISCO CA 94105 1 0 0 0 0 Non-Voting Common Stock 2023-09-18 4 A 0 20783 0.00 A 20783 D All outstanding shares of non-voting common stock and shares of non-voting common stock underlying outstanding equity securities will convert into an equivalent number of shares of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. Consists of previously granted restricted stock units ("RSUs") for which the liquidity event-based vesting condition was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering. Certain of the RSUs remain subject to service-based vesting conditions. /s/ Bradley Libuit, Attorney-in-fact 2023-09-20