Lisa Utzschneider - Feb 6, 2024 Form 4 Insider Report for INTEGRAL AD SCIENCE HOLDING CORP. (IAS)

Role: Chief Executive Officer, Director
Signature: /s/ Yossi Almani, by Power of Attorney
Stock symbol: IAS
Transactions as of: Feb 6, 2024
Transactions value $: -$207,054
Form type: 4
Date filed: 2/8/2024, 05:12 PM
Previous filing: Feb 6, 2024
Next filing: Apr 3, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IAS	Common Stock, $0.001 par value	Sale	-$207K	-13.1K	-8.11%	$15.79	149K	Feb 6, 2024	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	Mandatory sale to cover tax liability associated with the vesting and settlement of market stock units.
F2	The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $15.56 to $15.99 per share. The reporting person undertakes to provide to Integral Ad Science Holding Corp., any security holder of Integral Ad Science Holding Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.

Content

Mandatory sale to cover tax liability associated with the vesting and settlement of market stock units.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $15.56 to $15.99 per share. The reporting person undertakes to provide to Integral Ad Science Holding Corp., any security holder of Integral Ad Science Holding Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein.