X0407 4 2023-06-05 0 0001819928 DoubleVerify Holdings, Inc. DV 0001342655 Wagner Scott C/O DOUBLEVERIFY HOLDINGS, INC. 462 BROADWAY NEW YORK NY 10013 1 0 0 0 0 Restricted Stock Units 2023-06-05 4 A 0 5709 0.00 A 2024-06-05 Common Stock 5709 5709 I By LLC Restricted stock units convert into common stock on a one-for-one basis. Represents time-based restricted stock units granted on June 5, 2023 pursuant to the annual equity grant under DoubleVerify Holdings, Inc.'s non-employee director compensation program. The restricted stock units vest on the earlier of (i) June 5, 2024 and (ii) the date of DoubleVerify Holdings, Inc.'s 2024 Annual Meeting of Stockholders, subject to Mr. Wagner's continued services. Represents restricted stock units held by Hilltopper LLC, which is wholly-owned by Mr. Wagner. /s/ Andrew E. Grimmig, as Attorney-in-Fact for Scott Wagner 2023-06-07