[Form 4] DoubleVerify Holdings, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Mark Zagorski, Chief Executive Officer and Director of DoubleVerify Holdings, Inc. (DV), was granted 161,708 restricted stock units on August 19, 2025. The restricted stock units convert into common stock on a one-for-one basis and carry a reported price of $0 for reporting purposes. Following the grant, Mr. Zagorski beneficially owns 161,708 shares of common stock subject to the award, held directly. 8.33% of the award vests on December 31, 2025, with the remainder vesting at 8.33% each quarterly anniversary thereafter, contingent on continued employment. The Form 4 was signed by an attorney-in-fact on August 21, 2025.

Positive

• Grant documented: 161,708 restricted stock units were granted on 08/19/2025
• Vesting schedule disclosed: 8.33% vests on 12/31/2025 and 8.33% each quarterly anniversary thereafter
• Conversion stated: Restricted stock units convert into common stock on a one‑for‑one basis
• Post‑transaction holdings: 161,708 shares beneficially owned following the transaction

Negative

• None.

Insights

Compensation Analyst

TL;DR: Executive received a time‑based RSU award of 161,708 shares with quarterly vesting beginning Dec 31, 2025.

The grant of 161,708 restricted stock units to the CEO is a standard equity compensation disclosure showing time‑based vesting tied to continued employment. The RSUs convert 1:1 into common shares and begin vesting with an 8.33% tranche on December 31, 2025, then 8.33% quarterly thereafter. The report lists direct beneficial ownership of the awarded units and a $0 reported price, consistent with typical disclosure when shares are awarded rather than purchased.

Corporate Governance Expert

TL;DR: This Form 4 documents a routine executive equity grant with time‑based vesting and direct ownership of awarded units.

The filing documents that the reporting person is both an officer (CEO) and a director and that the grant is subject to continued employment vesting. The record is a factual disclosure of insider ownership change and includes signature by an attorney‑in‑fact, indicating proper execution of the Form 4. No other conditions or derivative instruments are disclosed in the filing.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Zagorski Mark

(Last) (First) (Middle)

C/O DOUBLEVERIFY HOLDINGS, INC.

462 BROADWAY

(Street)

NEW YORK NY 10013

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
DoubleVerify Holdings, Inc. [ DV ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/19/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units(1)	(2)	08/19/2025		A		161,708(1)		(1)	(1)	Common Stock	161,708	$0	161,708	D

Explanation of Responses:

1. The restricted stock units were granted on August 19, 2025. 8.33% of the restricted stock units will vest on December 31, 2025 (the "2025 Vesting Date"), and the remainder of the restricted stock units vest at a rate of 8.33% on each quarterly anniversary of the 2025 Vesting Date, subject to Mr. Zagorski's continued employment.

2. Restricted stock units convert into common stock on a one-for-one basis.

	/s/ Andrew E. Grimmig, as Attorney-in-Fact for Mark S. Zagorski	08/21/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Mark Zagorski report on Form 4 for DV?

The Form 4 reports a grant of 161,708 restricted stock units to Mark Zagorski on 08/19/2025.

How do the restricted stock units for DV convert to common stock?

The restricted stock units convert into common stock on a one‑for‑one basis according to the filing.

What is the vesting schedule for the RSUs granted to the CEO of DV?

The filing states 8.33% of the RSUs vest on 12/31/2025, then 8.33% on each quarterly anniversary of that date, subject to continued employment.

How many shares does Mark Zagorski beneficially own after the reported transaction?

Following the reported transaction, Mr. Zagorski beneficially owns 161,708 shares (direct ownership).

What price is reported for the RSU grant in the Form 4?

The Form 4 reports a price of $0 for the restricted stock units.