8-K filed December 23, 2025, 6:59 PM ET CIK 0001842718

M&A confidence high sentiment neutral materiality 0.75

Integral Ad Science completes $1.9B acquisition by Novacap; stockholders to receive $10.30/share

INTEGRAL AD SCIENCE HOLDING CORP.

All-cash merger valued at ~$1.9B enterprise; equity purchase price ~$1.6B.
Shareholders receive $10.30 per share; stock ceased trading on Nasdaq.
CEO Lisa Utzschneider awarded $4M retention bonus; CFO Alpana Wegner $0.6M.
Entire board of directors resigned; new directors appointed from Merger Sub.
Prior credit agreement terminated; new $X credit facility entered with RBC.

item 1.01 item 1.02 item 2.01 item 3.03 item 5.01 item 5.02 item 5.03 item 2.03 item 3.01 item 8.01 item 9.01

Machine-readable event card

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form_type: 8-K
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cik: 0001842718
company_name: INTEGRAL AD SCIENCE HOLDING CORP.
filed_at: 2025-12-23T23:59:59+00:00
discovered_at: 2026-05-14T18:02:40.764772+00:00
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Source-grounded claims

2dcf40650383a58908ac4788c5141f68ca8c1aae

INTEGRAL AD SCIENCE HOLDING CORP.: Amended and restated certificate of incorporation at Effective Time pursuant to merger.

Pursuant to the terms of the Merger Agreement, at the Effective Time and by virtue of the Merger, the certificate of incorporation of the Company, as in effect immediately prior to the Effective Time, was amended and restated in its entirety

SEC 8-K Item 5.03/5.05/5.06 confidence 0.9 SEC evidence

fff2bbc7adf0c4d0f8af525b84460745c0e60ccb

INTEGRAL AD SCIENCE HOLDING CORP.: Bylaws of surviving corporation were amended and restated in their entirety after Effective Time.

Immediately after the Effective Time, the bylaws of the surviving corporation were amended and restated in their entirety

SEC 8-K Item 5.03/5.05/5.06 confidence 0.9 SEC evidence

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Pursuant to the terms of the Merger Agreement, at the Effective Time and by virtue of the Merger, the certificate of incorporation of the Company, as in effect immediately prior to the Effective Time, was amended and restated in its entirety

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Pursuant to the terms of the Merger Agreement, at the Effective Time and by virtue of the Merger, the certificate of incorporation of the Company, as in effect immediately prior to the Effective Time, was amended and restated in its entirety

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Pursuant to the terms of the Merger Agreement, at the Effective Time and by virtue of the Merger, the certificate of incorporation of the Company, as in effect immediately prior to the Effective Time, was amended and restated in its entirety

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Pursuant to the terms of the Merger Agreement, at the Effective Time and by virtue of the Merger, the certificate of incorporation of the Company, as in effect immediately prior to the Effective Time, was amended and restated in its entirety

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Source: SEC EDGAR

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