Atlas Venture Fund VIII, L.P. - 23 Dec 2025 SCHEDULE 13G/A Report for INTEGRAL AD SCIENCE HOLDING CORP. Common Stock, $0.001 (IAS)

Filing Manager
Atlas Venture Fund VIII, L.P.
Reporting Manager
Atlas Venture Fund VIII, L.P.
Security
INTEGRAL AD SCIENCE HOLDING CORP. Common Stock, $0.001
Symbol
IAS
Disclosed Ownership
0 shares
Ownership
0%
Form type
SCHEDULE 13G/A
Filing time
23 Dec 2025, 20:36:58 UTC
Date of event
23 Dec 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Atlas Venture Fund VIII, L.P. 0% 0 0 0 /s/ Frank Castellucci General Counsel and Secretary of General Partner of General Partner
Atlas Venture Associates VIII, L.P. 0% 0 0 0 /s/ Frank Castellucci General Counsel and Secretary of General Partner
Atlas Venture Associates VIII, Inc. 0% 0 0 0 /s/ Frank Castellucci General Counsel and Secretary