INTEGRAL AD SCIENCE HOLDING CORP. - IASGBX

Ownership (Schedule 13D / 13G) · latest 50 filings · Back to all files
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Filed Form Reporting person Percent Shares SEC
Feb 12, 2026 SCHEDULE 13G/A Glazer Capital, LLC 4.16% 6,981,827 View
Feb 12, 2026 SCHEDULE 13G/A Paul J. Glazer 4.16% 6,981,827 View
Dec 29, 2025 SCHEDULE 13G/A Vista Equity Partners Fund VI, L.P. 0.0% 0 View
Dec 29, 2025 SCHEDULE 13G/A Vista Equity Partners Fund VI-A, L.P. 0.0% 0 View
Dec 29, 2025 SCHEDULE 13G/A VEPF VI FAF, L.P. 0.0% 0 View
Dec 29, 2025 SCHEDULE 13G/A Vista Equity Partners Fund VI GP, L.P. 0.0% 0 View
Dec 29, 2025 SCHEDULE 13G/A VEPF VI GP. Ltd. 0.0% 0 View
Dec 29, 2025 SCHEDULE 13G/A VEPF Management, L.P. 0.0% 0 View
Dec 29, 2025 SCHEDULE 13G/A Vista Equity Partners Management, LLC 0.0% 0 View
Dec 29, 2025 SCHEDULE 13G/A VEP Group, LLC 0.0% 0 View
Dec 29, 2025 SCHEDULE 13G/A Robert F. Smith 0.0% 0 View
Dec 23, 2025 SCHEDULE 13G/A Atlas Venture Fund VIII, L.P. 0.0% 0 View
Dec 23, 2025 SCHEDULE 13G/A Atlas Venture Associates VIII, L.P. 0.0% 0 View
Dec 23, 2025 SCHEDULE 13G/A Atlas Venture Associates VIII, Inc. 0.0% 0 View
Dec 09, 2025 SCHEDULE 13G Glazer Capital, LLC 6.32% 10,602,032 View
Dec 09, 2025 SCHEDULE 13G Paul J. Glazer 6.32% 10,602,032 View
Nov 13, 2025 SCHEDULE 13G/A SUNRIVER MANAGEMENT LLC 4.3% 7,120,157 View
Nov 13, 2025 SCHEDULE 13G/A RANDOLPH WILLETT COOK 4.3% 7,120,157 View
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G. Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F). Amendments (/A) can repeat the same holder over time, so rows should not be summed. Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.