INTEGRAL AD SCIENCE HOLDING CORP. — Director's Dealing 2021

Jun 30, 2021

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: INTEGRAL AD SCIENCE HOLDING CORP. (IAS)
CIK: 0001842718
Period of Report: 2021-06-29

Reporting Person: VEP Group, LLC (10% Owner)
Reporting Person: Vista Equity Partners Fund VI, L.P. (10% Owner)
Reporting Person: Vista Equity Partners Fund VI-A, L.P. (10% Owner)
Reporting Person: VEPF VI FAF, L.P. (10% Owner)
Reporting Person: Vista Equity Partners Fund VI GP, L.P. (10% Owner)
Reporting Person: VEPF VI GP. Ltd. (10% Owner)
Reporting Person: VEPF MANAGEMENT, L.P. (10% Owner)
Reporting Person: VISTA EQUITY PARTNERS MANAGEMENT, LLC (10% Owner)
Reporting Person: SMITH ROBERT F (10% Owner)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common stock, $0.001 par value	94380000	Indirect

Footnotes

F1: Includes 58,393,646 shares held directly by Vista Equity Partners Fund VI, L.P. ("VEPF VI"), 35,275,781 shares held directly by Vista Equity Partners Fund VI-A, L.P. ("VEPF VI-A"), and 710,573 shares held directly by VEPF VI FAF, L.P. ("FAF," and collectively with VEPF VI and VEPF VI-A, the "Vista Funds").

F2: 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.