Agreement signedPublished 23 Dec 2025

Igloo Group Parent, Inc. /
Integral Ad Science Holding Corp.

Igloo Group Parent, Inc. agrees to buy Integral Ad Science Holding Corp.

Buy side: Igloo Group Parent, Inc.
Buy sideIgloo Group Parent, Inc.
Target: Integral Ad Science Holding Corp.
TargetIntegral Ad Science Holding Corp.
INTEGRAL AD SCIENCE HOLDING CORP. · 23 Dec 2025Source
Buy side: Igloo Group Parent, Inc.
Buy sideIgloo Group Parent, Inc.
Target: Integral Ad Science Holding Corp.
TargetIntegral Ad Science Holding Corp.
01 / BuyerIgloo Group Parent, Inc.
02 / TargetIntegral Ad Science Holding Corp.
Source for the buyer and target: INTEGRAL AD SCIENCE HOLDING CORP.

For the buyer and target.

“As previously reported, on September 24, 2025, Integral Ad Science Holding Corp., a Delaware corporation (the “ Company ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Igloo Group Parent, Inc., a Delaware corporation (“ Parent ”), and Igloo Group Acquisition Company, Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“ Merger Sub ”).”

Published 23 Dec 2025

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01

What happened

Igloo Group Parent, Inc. agreed to acquire Integral Ad Science Holding Corp. for approximately $1.6 billion, according to a filing dated Dec. 23, 2025. [01]

02

The source

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01
Source · INTEGRAL AD SCIENCE HOLDING CORP.

Igloo Group Parent, Inc. agrees to buy Integral Ad Science Holding Corp.

This document is the source for the companies, stage, figure and people on this page.

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03

Timeline

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  1. Announced

    “Igloo Group Parent, Inc. agrees to buy Integral Ad Science Holding Corp. Igloo Group Parent, Inc. agreed to acquire Integral Ad Science Holding Corp. for approximately $1.6 billion, according to a filing dated Dec. 23…”

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  2. Published by INTEGRAL AD SCIENCE HOLDING CORP.

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