Mark S. Zagorski - 06 Mar 2025 Form 4 Insider Report for DoubleVerify Holdings, Inc. (DV)

Role: Chief Executive Officer, Director
Signature: /s/ Andrew E. Grimmig, as Attorney-in-Fact for Mark S. Zagorski
Issuer symbol: DV
Transactions as of: 06 Mar 2025
Net transactions value: $0
Form type: 4
Filing time: 10 Mar 2025, 16:16:12 UTC
Previous filing: 17 Dec 2024
Next filing: 17 Mar 2025
SEC: View on sec.gov

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	$0	+33,078		$0.000000	33,078	06 Mar 2025	Common Stock	33,078		Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On December 19, 2023, the Reporting Person received a performance stock unit ("PSU") grant of 62,413 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 6, 2025, pursuant to which 33,078 shares were earned. 41.67% of the earned shares will vest and settle on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the earned shares will vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date.
F2	PSUs convert into common stock on a one-for-one basis.

Content

On December 19, 2023, the Reporting Person received a performance stock unit ("PSU") grant of 62,413 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 6, 2025, pursuant to which 33,078 shares were earned. 41.67% of the earned shares will vest and settle on March 15, 2025 (the "2025 Vesting Date"), and the remainder of the earned shares will vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date.

PSUs convert into common stock on a one-for-one basis.