Mark Zagorski - Dec 19, 2023 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
Stock symbol: DV
Transactions as of: Dec 19, 2023
Transactions value $: $10,978
Form type: 4
Date filed: 12/21/2023, 05:01 PM
Previous filing: Dec 19, 2023
Next filing: Jan 3, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DV	Common Stock	Purchase	$11K	+389	+0.11%	$28.22	365K	Nov 30, 2023	Direct	F1

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	Restricted Stock Units	Award	$0	+125K		$0.00	125K	Dec 19, 2023	Common Stock	125K		Direct	F2, F3

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

Explanation of Responses:

Id	Content
F1	Pursuant to the DoubleVerify Holdings, Inc. 2021 Employee Stock Purchase Plan (ESPP), the purchase price per share reported reflects a discount of 15% of the lesser of the share price at the first day of the offering period or the purchase date.
F2	Restricted stock units convert into common stock on a one-for-one basis.
F3	The restricted stock units vest 6.25% on March 15, 2024 (the "Vesting Date") and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the Vesting Date.