Filing Manager
GLAZER CAPITAL, LLC
Reporting Manager
Glazer Capital, LLC
Symbol
IAS
Shares outstanding
167,832,380 shares
Disclosed Ownership
6,981,827 shares
Ownership
4.2%
Form type
SCHEDULE 13G/A
Filing time
12 Feb 2026, 16:43:16 UTC
Date of event
31 Dec 2025
Previous filing
09 Dec 2025

Sponsored

Quoteable Key Fact

"GLAZER CAPITAL, LLC disclosed 4.2% ownership in INTEGRAL AD SCIENCE HOLDING CORP. Common Stock, $0.001 par value per share (IAS) on 31 Dec 2025."

Quick Takeaways

  • GLAZER CAPITAL, LLC filed SCHEDULE 13G/A for INTEGRAL AD SCIENCE HOLDING CORP. Common Stock, $0.001 par value per share (IAS).
  • Disclosed ownership: 4.2%.
  • Date of event: 31 Dec 2025.

What Changed

  • Previous schedule filing date: 09 Dec 2025.
  • Current filing was accepted on 12 Feb 2026, 16:43.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Glazer Capital, LLC 4.2% 6,981,827 0 6,981,827 Paul J. Glazer Paul J. Glazer, Managing Member
Paul J. Glazer 4.2% 6,981,827 0 6,981,827 Paul J. Glazer Paul J. Glazer