Certain Common Stock of Grid Dynamics Holdings, Inc. are subject to a Lock-Up Agreement Ending on 30-AUG-2021. These Common Stock will be under lockup for 61 days starting from 30-JUN-2021 to 30-AUG-2021.

Details:
Directors, executive officers, and the selling stockholders (the “lock-up parties”) have entered into lock-up agreements with the underwriters prior to the commencement of this offering pursuant to which each lock-up party, with limited exceptions, for a period of 60 days after the date of this prospectus supplement.