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Insider Trading & Ownership of Bryan T. Durkin

Location
Chicago, IL
Summary
The estimated net worth of Bryan T. Durkin is at least $13,317,117 dollars as of 23 Feb 2026. Bryan T. Durkin is the Director of CME GROUP INC. and owns shares of CME GROUP INC. (CME) stock worth about $13.32M.
Signature
By: Margaret Austin Wright For: Bryan T. Durkin
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Quick Takeaways

  • Bryan T. Durkin has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $13,317,117.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: CME GROUP INC. ($13,317,117).
  • Past-year value change for that position: -$1,300,530.

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.

Source Evidence

Filed on Form 4

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

See Original Filing

Ownership of Bryan T. Durkin

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
CME CME GROUP INC. Director $13,317,117 -$1,300,530 -8.9% 23 Feb 2026

Insider Transactions Reported by Bryan T. Durkin:

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.