• Info
  • Insider Ownership

Insider Trading & Ownership of Mark S. Zagorski

Location
New York, NY
Summary
The estimated net worth of Mark S. Zagorski is at least $7,636,944 dollars as of 03 Apr 2026. Mark S. Zagorski is the Chief Executive Officer, Director of DoubleVerify Holdings, Inc. and owns shares of DoubleVerify Holdings, Inc. (DV) stock worth about $7.47M. Mark S. Zagorski is the Director of Outbrain Inc. and owns shares of Teads Holding Co. (TEAD) stock worth about $162.8K.
Signature
/s/ Andrew E. Grimmig, as Attorney-in-Fact for Mark S. Zagorski
All Insider Reports
All Insider Reports

Follow Filing Activity

Follow Mark S. Zagorski and return when a new Insider Trading filing appears.

This tracks SEC filing changes for this page using existing product update flows.

Sign up to follow filing activity

Sponsored

Quick Takeaways

  • Mark S. Zagorski has 2 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $7,636,944.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: DoubleVerify Holdings, Inc. ($7,474,194).
  • Past-year value change for that position: +$13,327.

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Official SEC Source

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Mark S. Zagorski

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
DV DoubleVerify Holdings, Inc. Chief Executive Officer, Director $7,474,194 +$13,327 +0.18% 31 Mar 2026
TEAD Outbrain Inc. Director $162,750 05 Jun 2025

Insider Transactions Reported by Mark S. Zagorski:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Sponsored