X0508 4/A 2024-11-05 2024-11-06 0001743725 GRID DYNAMICS HOLDINGS, INC. GDYN 0001805657 Livschitz Leonard C/O GRID DYNAMICS HOLDINGS, INC. 5000 EXECUTIVE PARKWAY, SUITE 520 SAN RAMON CA 94583 true true CHIEF EXECUTIVE OFFICER true Common Stock 2024-11-05 4 S 0 20000 15.66 D 3415901 D Common Stock 4853 I See footnote These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 1, 2023. This transaction was executed in multiple trades at prices ranging from $15.54 to $16.03. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. The shares are held by the Reporting Person's spouse. The initial Form 4, filed on November 6, 2024, is being amended by this Form 4 amendment to correct an administrative error, which misreported the amount of shares sold as 10,000. /s/Anil Doradla, by power of attorney 2024-11-07