DoubleVerify (DV) Global Chief Comm. Officer discloses initial equity ownership

Rhea-AI Filing Summary

DoubleVerify Holdings, Inc. Global Chief Comm. Officer Steven John Mougis reported his initial beneficial ownership as of 01/01/2026. He directly holds 36,062 shares of common stock, along with multiple equity awards that can convert into or be settled in common stock.

His derivative holdings include stock options to acquire 16,451 shares at $36.25 per share expiring on 07/21/2031, options for 7,018 shares at $29.10 expiring on 02/15/2032, and options for 21,603 shares at $24.60 expiring on 03/15/2033. He also holds restricted stock units covering 418, 5,715, 19,123, 135,280 and 41,218 shares, as well as performance stock units for 1,002 shares. The footnotes explain that these awards vest over time and that both restricted stock units and performance stock units convert into common stock on a one-for-one basis.

SEC Form 3

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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1. Name and Address of Reporting Person^*

Mougis Steven John

(Last) (First) (Middle)

C/O DOUBLEVERIFY HOLDINGS, INC.

462 BROADWAY

(Street)

NEW YORK NY 10013

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/01/2026

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Global Chief Comm. Officer

5. 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 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	36,062	D

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: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Options (Right to Buy)	(1)	07/21/2031	Common Stock	16,451	$36.25	D
Options (Right to Buy)	(2)	02/15/2032	Common Stock	7,018	$29.1	D
Restricted Stock Units	(2)	(2)	Common Stock	418	(3)	D
Options (Right to Buy)	(4)	03/15/2033	Common Stock	21,603	$24.6	D
Restricted Stock Units	(4)	(4)	Common Stock	5,715	(3)	D
Restricted Stock Units	(5)	(5)	Common Stock	19,123	(3)	D
Performance Stock Units	(6)	(6)	Common Stock	1,002	(7)	D
Restricted Stock Units	(8)	(8)	Common Stock	135,280	(3)	D
Restricted Stock Units	(9)	(9)	Common Stock	41,218	(3)	D

Explanation of Responses:

1. Each stock option was granted on July 21, 2021. The stock options vested 6.25% on December 15, 2021 (the "2021 Vesting Date") and the remainder of the stock options vested at a rate of 6.25% on each quarterly anniversary of the 2021 Vesting Date. The options fully vested on September 15, 2025.

2. Each restricted stock unit and stock option was granted on February 15, 2022. The restricted stock units and stock options vested 6.25% on June 15, 2022 (the "2022 Vesting Date") and the remainder of the restricted stock units and stock options vest at a rate of 6.25% on each quarterly anniversary of the 2022 Vesting Date.

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

4. Each restricted stock unit and stock option was granted on March 15, 2023. The restricted stock units and stock options vested 6.25% on June 15, 2023 (the "2023 Vesting Date") and the remainder of the restricted stock units and stock options vest at a rate of 6.25% on each quarterly anniversary of the 2023 Vesting Date.

5. Each restricted stock unit was granted on March 15, 2024. The restricted stock units vested 6.25% on June 15, 2024 (the "2024 Vesting Date") and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2024 Vesting Date.

6. Each performance stock unit was granted on December 19, 2023. 41.67% of the earned shares vested and were settled on March 15, 2025 (the "2025 PSU Vesting Date"), and the remainder of the earned shares vest at a rate of 8.33% on each quarterly anniversary of the 2025 PSU Vesting Date.

7. Performance stock units convert into common stock on a one-for-one basis.

8. Each restricted stock unit was granted on March 13, 2025. The restricted stock units vested 12.5% on June 15, 2025 (the "2025 Vesting Date") and the remainder of the restricted stock units vest at a rate of 12.5% on each quarterly anniversary of the 2025 Vesting Date.

9. Each restricted stock unit was granted on March 31, 2025. The restricted stock units vested 6.25% on 2025 Vesting Date and the remainder of the restricted stock units vest at a rate of 6.25% on each quarterly anniversary of the 2025 Vesting Date.

	/s/ Andrew E. Grimmig, as Attorney-in-Fact for Steven J. Mougis	01/08/2026
	** 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 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).
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 does DoubleVerify (DV) disclose in this Form 3 for Steven John Mougis?

The filing shows that Global Chief Comm. Officer Steven John Mougis reports initial beneficial ownership of 36,062 shares of DoubleVerify common stock plus various stock options, restricted stock units and performance stock units that relate to additional shares of common stock.

How many DoubleVerify (DV) common shares does Steven John Mougis directly hold?

Steven John Mougis directly holds 36,062 shares of DoubleVerify Holdings, Inc. common stock as reported in Table I of the Form 3.

What stock options are reported by DoubleVerify (DV) Global Chief Comm. Officer on this Form 3?

He holds stock options to acquire 16,451 shares at $36.25 per share expiring 07/21/2031, options for 7,018 shares at $29.10 expiring 02/15/2032, and options for 21,603 shares at $24.60 expiring 03/15/2033, all listed as directly owned.

What restricted stock units does Steven John Mougis hold in DoubleVerify (DV)?

He reports restricted stock units tied to 418, 5,715, 19,123, 135,280 and 41,218 shares of DoubleVerify common stock. Footnotes state that restricted stock units convert into common stock on a one-for-one basis and vest in quarterly installments after specified vesting dates.

What performance stock units are disclosed for DoubleVerify (DV) Global Chief Comm. Officer?

The Form 3 lists 1,002 performance stock units for Steven John Mougis. Footnotes explain these units were granted on December 19, 2023, with 41.67% of earned shares vested and settled on March 15, 2025, and the remainder vesting at 8.33% on each quarterly anniversary of that vesting date. Performance stock units convert into common stock on a one-for-one basis.

Are the DoubleVerify (DV) equity awards held directly or indirectly by Steven John Mougis?

All common stock, stock options, restricted stock units and performance stock units reported for Steven John Mougis in this Form 3 are shown with an ownership form of Direct (D), with no separate entity listed for indirect ownership.