DoubleVerify Holdings, Inc. — Director's Dealing 2021

May 10, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: DoubleVerify Holdings, Inc. (DV)
CIK: 0001819928
Period of Report: 2021-04-27

Reporting Person: Desmond Laura (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-27	Common Stock	M	31008	—	Acquired	221401	Indirect
2021-04-27	Common Stock	M	27132	—	Acquired	248533	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-04-27	Restricted Stock Units	$	M	31008	Disposed		Common Stock (31008)	Indirect
2021-04-27	Restricted Stock Units	$	M	27132	Disposed		Common Stock (27132)	Indirect

Footnotes

F1: Each restricted stock unit ("RSU") was granted on April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. The RSUs fully vested on April 27, 2021.

F2: Represents shares, options and restricted stock units held by the Laura B. Desmond Revocable Trust for which Ms. Desmond is trustee.

F3: Each restricted stock unit ("RSU") was granted on April 27, 2020 and represents a right to receive one share of common stock on a one-to-one basis. 50% of the RSUs vested on April 27, 2021. The remaining RSUs will vest on April 27, 2022.

F4: Restricted stock units convert into common stock on a one-for-one basis.