Mark S. Zagorski - 30 Jun 2026 Form 4 Insider Report for DoubleVerify Holdings, Inc. (DV)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: DV
Reported as of: 30 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 01 Jul 2026, 16:04:39 UTC
Prior SEC filing: 17 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Andrew E. Grimmig, as Attorney-in-Fact for Mark S. Zagorski

Key filing fact

Mark S. Zagorski filed Form 4 for DoubleVerify Holdings, Inc. (DV) on 01 Jul 2026.

Key facts

This page summarizes Mark S. Zagorski's Form 4 filing for DoubleVerify Holdings, Inc. (DV).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 01 Jul 2026, 16:04.

Change

Previous filing in this sequence was filed on 17 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001709574 Primary reporting owner

Zagorski Mark

Relationship: Chief Executive Officer, Director
Address: C/O DOUBLEVERIFY HOLDINGS, INC., 462 BROADWAY, NEW YORK
Signature: /s/ Andrew E. Grimmig, as Attorney-in-Fact for Mark S. Zagorski
Signature date: 01 Jul 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

DV transaction

Common Stock

Options Exercise

Transaction value
Shares: +13,476
Change %: +2.3%
Price: $0.000000^*
Shares after: 587,817
Date: 30 Jun 2026
Ownership: Direct
Footnotes: F1

DV transaction

Common Stock

Tax liability

Transaction value
Shares: -7,453
Change %: -1.3%
Price: $10.84^*
Shares after: 580,364
Date: 30 Jun 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

DV transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -13,476
Change %: -10%
Price: $0.000000^*
Shares after: 121,280
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 13,476
Exercise price
Footnotes: F1, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Each restricted stock unit was granted on August 19, 2025. 8.33% of the restricted stock units vested and were settled 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.

Footnote F2

Represents shares withheld to satisfy tax withholding obligations in connection with the vesting of restricted stock units.

Footnote F3

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