X0407 4 2023-05-03 0 0001743725 GRID DYNAMICS HOLDINGS, INC. GDYN 0001805657 Livschitz Leonard C/O GRID DYNAMICS HOLDINGS, INC. 5000 EXECUTIVE PARKWAY, SUITE 520 SAN RAMON CA 94583 1 1 0 0 Chief Executive Officer 0 Common Stock 2023-05-03 4 F 0 175495 11.38 D 3054778 D Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units. /s/ Anil Doradla, by power of attorney 2023-05-05