Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Sep 30, 2026
Reporting period
Not applicable
Filed with the SEC
Oct 2, 2026
CEOOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001819928-26-000099
Filed / recorded
Oct 2, 2026, 8:05 PM UTC
Added to OQRO
Oct 6, 2026, 10:51 PM UTC
Parser
form4-xml-v2
Data quality
Verified: identifiers matched exactly
Issuer
DoubleVerify Holdings, Inc.
Issuer CIK
1819928
Ticker
DV
Reporting person
Mark Zagorski
Relationship
Director, Officer
Officer title
Chief Executive Officer
Security
Restricted Stock Units
Table
Derivative (Table II)
Transaction date
Sep 30, 2026
Transaction code
M
Shares / units
13,476
Price per share
$0.00
Acquired / disposed
Disposed (D)
Shares owned after
107,804
Ownership form
Direct
Amendment
No
Footnotes from the filing
Restricted stock units convert into common stock on a one-for-one basis.
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.