Jill Putman - 09 May 2025 Form 4 Insider Report for INTEGRAL AD SCIENCE HOLDING CORP. (IAS)

Role: Interim CFO, Director
Signature: /s/ Yossi Almani, by Power of Attorney
Issuer symbol: IAS
Transactions as of: 09 May 2025
Net transactions value: $0
Form type: 4
Filing time: 13 May 2025, 16:06:59 UTC
Previous filing: 07 Jan 2025
Next filing: 12 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
PUTMAN JILL	Interim CFO, Director	C/O INTEGRAL AD SCIENCE HOLDING CORP., 12 E. 49TH STREET, 20TH FLOOR, NEW YORK	/s/ Yossi Almani, by Power of Attorney	12 May 2025	0001806834

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IAS	Common Stock, $0.001 par value	Award	$0	+17,637	+11%	$0.000000	174,732	09 May 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents Restricted Stock Units which will be settled in shares of common stock of the Issuer and will vest in full on the anniversary of the grant date, subject to the Reporting Person's continued service with the Issuer.