Robert Lord - 23 Dec 2025 Form 4 Insider Report for INTEGRAL AD SCIENCE HOLDING CORP. (IAS)

Role
Director
Signature
/s/ Yossi Almani, by Power of Attorney
Issuer symbol
IAS
Transactions as of
23 Dec 2025
Net transactions value
-$300,595
Form type
4
Filing time
23 Dec 2025, 20:16:42 UTC
Previous filing
15 May 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lord Robert Director C/O INTEGRAL AD SCIENCE HOLDING CORP., 12 E. 49TH STREET, 20TH FLOOR, NEW YORK /s/ Yossi Almani, by Power of Attorney 23 Dec 2025 0001298008

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IAS Common Stock, $0.001 par value Disposed to Issuer $300,595 -29,184 -100% $10.30 0 23 Dec 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Robert Lord is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 Pursuant to the Agreement and Plan of Merger, dated as of September 24, 2025 (the "Merger Agreement"), by and among the Issuer, Igloo Group Parent, Inc. ("Parent") and Igloo Group Acquisition Company, Inc. ("Merger Sub"), Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving as a wholly owned subsidiary of Parent. At the effective time of the Merger (the "Effective Time"), each issued and outstanding share of the Issuer's common stock, par value $0.001 per share ("Common Stock"), owned by the reporting person immediately prior to the Effective Time was automatically cancelled, extinguished and converted into the right to receive $10.30 per share in cash, without interest thereon (the "Per Share Price").
F2 The shares of Common Stock reported as disposed by the reporting person include 17,637 unvested restricted stock units ("Company RSUs") which were, at or immediately prior the Effective Time, fully vested, cancelled and converted into the right to receive, without interest, an amount in cash equal to the product of (i) the Per Share Price and (ii) the total number of shares of Common Stock subject to such Company RSUs.