Mark S. Zagorski - 10 Mar 2026 Form 4 Insider Report for DoubleVerify Holdings, Inc. (DV)

Signature
/s/ Andrew E. Grimmig, as Attorney-in-Fact for Mark S. Zagorski
Issuer symbol
DV
Transactions as of
10 Mar 2026
Net transactions value
$0
Form type
4
Filing time
12 Mar 2026, 16:45:41 UTC
Previous filing
05 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Zagorski Mark Chief Executive Officer, Director C/O DOUBLEVERIFY HOLDINGS, INC., 462 BROADWAY, NEW YORK /s/ Andrew E. Grimmig, as Attorney-in-Fact for Mark S. Zagorski 12 Mar 2026 0001709574

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction DV Performance Stock Units Award +145,458 $0.000000* 145,458 10 Mar 2026 Common Stock 145,458 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On March 13, 2025, the Reporting Person received a performance stock unit ("PSU") grant of 121,753 units. In light of the performance-based conditions of the award, the award was not reportable under Section 16 until the performance-based conditions were certified by the Issuer's Compensation Committee. Such certification occurred on March 10, 2026, pursuant to which 145,458 shares were earned. 41.67% of the earned shares will vest and settle on March 15, 2026 (the "2026 Vesting Date"), and the remainder of the earned shares will vest at a rate of 8.33% on each quarterly anniversary of the 2026 Vesting Date.
F2 Performance stock units convert into common stock on a one-for-one basis.