UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q For the transition period from to Commission File Number: 001-38685 (Mark One) Grid Dynamics Holdings, Inc. (Exact Name of Registrant as Specified in its Charter) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (State or other jurisdiction of incorporation or organization) For the quarterly period ended March 31, 2020 5000 Executive Parkway, Suite 520 San Ramon, CA 94583 (Address of pr ...