Ownership Submission

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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3235-0104

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

Zagorski Mark

2. Date of Event Requiring Statement (Month/Day/Year)
04/20/2021

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

(Last)

(First)

(Middle)

C/O DOUBLEVERIFY HOLDINGS, INC., 233 SPRING STREET

4. 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

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

(Street)

NEW YORK, NY 10013

6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	184,705	D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Options (Rights to Buy)	⁽¹⁾	07/28/2030	Common Stock	1,083,333	$ 6.93	D
Options (Rights to Buy)	⁽²⁾	07/28/2030	Common Stock	1,083,333	$ 13.86	D
Restricted Stock Units	⁽³⁾	⁽³⁾	Common Stock	166,667	$ ⁽⁴⁾	D
Restricted Stock Units	07/21/2021⁽⁵⁾	⁽⁵⁾	Common Stock	86,580	$ ⁽⁴⁾	D

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Zagorski Mark C/O DOUBLEVERIFY HOLDINGS, INC. 233 SPRING STREET NEW YORK, NY 10013	X		Chief Executive Officer

Signatures

/s/ Andrew E. Grimmig, as Attorney-in-Fact for Mark S. Zagorski		04/20/2021
^**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(1)	Represents non-qualified stock options granted on July 28, 2020, 25% of which vest on July 21, 2021, which is the one-year anniversary of Mr. Zagorski's commencement of employment, and then at a rate of 6.25% per quarter over the next 12 quarters, subject in all cases to Mr. Zagorski's continued employment through the applicable vesting date. Notwithstanding the foregoing, upon the completion of the initial public offering (the "IPO") of common stock of DoubleVerify Holdings, Inc., the options that would have vested over the 12 months following the completion of the IPO will vest, and the remaining options will vest on their original vesting schedule without regard to the aforementioned acceleration.
(2)	Represents non-qualified stock options granted on July 28, 2020 that are subject to the same time vesting criteria as the options described in note 1 above (including in respect of the accelerated vesting upon the completion of the IPO).
(3)	Represents time vesting restricted stock units granted on July 28, 2020 that are subject to the same time vesting criteria as the options described in note 1 above (including in respect of the accelerated vesting upon the completion of the IPO).
(4)	Restricted stock units convert into common stock on a one-for-one basis.
(5)	Represents time vesting restricted stock units granted on July 28, 2020 that vest on July 21, 2021, subject to Mr. Zagorski's continued employment.
Remarks: Exhibit List: Ex.24 - Power of Attorney

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