VEP Group, LLC - 23 Dec 2025 Form 4 Insider Report for INTEGRAL AD SCIENCE HOLDING CORP. (IAS)

Role
10%+ Owner
Signature
/s/ Robert F. Smith, Managing Member of VEP Group, LLC
Issuer symbol
IAS
Transactions as of
23 Dec 2025
Transactions value $
-$669,603,010
Form type
4
Filing time
29 Dec 2025, 18:07:55 UTC
Previous filing
03 Oct 2024

Reporting Owners (9)

Name Relationship Address Signature Signature date CIK
VEP Group, LLC 10%+ Owner C/O VISTA EQUITY PARTNERS, 4 EMBARCADERO CENTER, 20TH FL., SAN FRANCISCO /s/ Robert F. Smith, Managing Member of VEP Group, LLC 29 Dec 2025 0001216495
Vista Equity Partners Fund VI, L.P. 10%+ Owner C/O VISTA EQUITY PARTNERS, 4 EMBARCADERO CENTER, 20TH FL., SAN FRANCISCO /s/ Robert F. Smith, Director of the General Partner of the General Partner of Vista Equity Partners Fund VI, L.P. 29 Dec 2025 0001665262
Vista Equity Partners Fund VI-A, L.P. 10%+ Owner C/O VISTA EQUITY PARTNERS, 4 EMBARCADERO CENTER, 20TH FL., SAN FRANCISCO /s/ Robert F. Smith, Director of the General Partner of the General Partner of Vista Equity Partners Fund VI-A, L.P. 29 Dec 2025 0001665190
VEPF VI FAF, L.P. 10%+ Owner C/O VISTA EQUITY PARTNERS, 4 EMBARCADERO CENTER, 20TH FL., SAN FRANCISCO /s/ Robert F. Smith, Director of the General Partner of the General Partner of VEPF VI FAF, L.P. 29 Dec 2025 0001665225
Vista Equity Partners Fund VI GP, L.P. 10%+ Owner C/O VISTA EQUITY PARTNERS, 4 EMBARCADERO CENTER, 20TH FL., SAN FRANCISCO /s/ Robert F. Smith, Director of the General Partner of Vista Equity Partners Fund VI GP, L.P. 29 Dec 2025 0001786024
VEPF VI GP. Ltd. 10%+ Owner C/O VISTA EQUITY PARTNERS, 4 EMBARCADERO CENTER, 20TH FL., SAN FRANCISCO /s/ Robert F. Smith, Director of VEPF VI GP, Ltd. 29 Dec 2025 0001786074
VEPF MANAGEMENT, L.P. 10%+ Owner C/O VISTA EQUITY PARTNERS, 4 EMBARCADERO CENTER, 20TH FL., SAN FRANCISCO /s/ Robert F. Smith, Managing Member of the General Partner of VEPF Management, L.P. 29 Dec 2025 0001689919
VISTA EQUITY PARTNERS MANAGEMENT, LLC 10%+ Owner C/O VISTA EQUITY PARTNERS, 4 EMBARCADERO CENTER, 20TH FL., SAN FRANCISCO /s/ Robert F. Smith, Managing Member of the Managing Member of Vista Equity Partners Management, LLC 29 Dec 2025 0001569532
SMITH ROBERT F 10%+ Owner C/O VISTA EQUITY PARTNERS, 401 CONGRESS DRIVE, SUITE 3100, AUSTIN /s/ Robert F. Smith 29 Dec 2025 0001216497

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IAS Common Stock, $0.001 par value Other -$669,603,010 -65,010,001 -100% $10.3 0 23 Dec 2025 See Footnotes F1, F2, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

VEP Group, LLC 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, 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, each issued and outstanding share of the Issuer's common stock, par value $0.001 per share ("Common Stock"), owned by the reporting persons 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.
F2 Consisted of (i) 40,222,196 shares of Common Stock held by Vista Equity Partners Fund VI, L.P. ("VEPF VI"), (ii) 24,298,354 shares of Common Stock held by Vista Equity Partners Fund VI-A, L.P. ("VEPF VI-A") and (iii) 489,451 shares of Common Stock held by VEPF VI FAF, L.P. ("VEPF FAF" and, collectively with VEPF VI and VEPF VI-A, the "Vista Funds").
F3 Vista Equity Partners Fund VI GP, L.P. ("Fund VI GP") is the sole general partner of each of the Vista Funds. Fund VI GP's sole general partner is VEPF VI GP, Ltd. ("Fund VI UGP"). Robert F. Smith is the sole director and one of 11 members of Fund VI UGP. VEPF Management, L.P. ("Management Company") is the sole management company of each of the Vista Funds. The Management Company's sole general partner is VEP Group, LLC ("VEP Group"), and the Management Company's sole limited partner is Vista Equity Partners Management, LLC ("VEPM"). VEP Group is the Senior Managing Member of VEPM. Robert F. Smith is the sole Managing Member of VEP Group. Consequently, Mr. Smith, Fund VI GP, Fund VI UGP, the Management Company, VEPM and VEP Group may be deemed the beneficial owners of the shares held by the Vista Funds.
F4 Each of the Vista Funds, Fund VI GP, Fund VI UGP, the Management Company, VEP Group, VEPM and Mr. Smith expressly disclaim beneficial ownership except to the extent of its or his pecuniary interest and the inclusion of the reported securities in this report shall not be deemed an admission by any of the foregoing of beneficial ownership of any or all of the reported securities for purposes of Section 16 or for any other purpose.