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CME insider trading — CME Group Inc.

Over the last 90 days, insiders at CME Group Inc. (CME) made 1 open-market purchase worth $79K and 2 open-market sales worth $4.26M, making them net sellers by $4.18M. The largest purchase was by Shepard William R (Director), who bought 293 shares for $79K on Sep 25, 2026. The largest sale was by Duffy Terrence A (Chairman and CEO), who sold 15,000 shares for $4.12M on Sep 10, 2026.

Updated Oct 16, 2026.

Insider buying · 90d
$79K
Insider selling · 90d
$4.26M
Net · 90d
−$4.18M
Last 30 days
1B / 0S

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Recent CME insider transactions

Every Form 4 filed by CME Group Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.

Trade dateInsiderRoleTypeOwnershipSharesPriceValueFiling
Sep 25, 2026Shepard William RDirectorP · PurchaseIndirect293$268.76$79KForm 4
Aug 18, 2026Shepard William RDirectorJ · OtherDirect2,554——Form 4
Aug 18, 2026Shepard William RDirectorJ · OtherIndirect2,554——Form 4
Sep 16, 2026Winkler JulieSr MD Chief Commercial OfficerF · Tax withholdingDirect359$272.46$98KForm 4
Sep 15, 2026Winkler JulieSr MD Chief Commercial OfficerA · Grant/awardDirect2,864$275.09$788KForm 4
Sep 15, 2026Winkler JulieSr MD Chief Commercial OfficerF · Tax withholdingDirect1,054$275.09$290KForm 4
Sep 16, 2026Vroman KenChief Transformation OfficerF · Tax withholdingDirect308$272.46$84KForm 4
Sep 15, 2026Vroman KenChief Transformation OfficerA · Grant/awardDirect2,592$275.09$713KForm 4
Sep 15, 2026Vroman KenChief Transformation OfficerF · Tax withholdingDirect903$275.09$248KForm 4
Sep 16, 2026Tobin Jack JMD Chief Accounting OfficerF · Tax withholdingDirect51$272.46$14KForm 4
Sep 15, 2026Tobin Jack JMD Chief Accounting OfficerA · Grant/awardDirect700$275.09$193KForm 4
Sep 15, 2026Tobin Jack JMD Chief Accounting OfficerF · Tax withholdingDirect296$275.09$81KForm 4
Sep 16, 2026Sprague SuzanneCOO & Global Head of ClearingF · Tax withholdingDirect308$272.46$84KForm 4
Sep 15, 2026Sprague SuzanneCOO & Global Head of ClearingA · Grant/awardDirect2,864$275.09$788KForm 4
Sep 15, 2026Sprague SuzanneCOO & Global Head of ClearingF · Tax withholdingDirect844$275.09$232KForm 4
Sep 16, 2026Sammann DerekSr MD Gl Hd Commodities MktsF · Tax withholdingDirect359$272.46$98KForm 4
Sep 15, 2026Sammann DerekSr MD Gl Hd Commodities MktsA · Grant/awardDirect2,864$275.09$788KForm 4
Sep 15, 2026Sammann DerekSr MD Gl Hd Commodities MktsF · Tax withholdingDirect1,054$275.09$290KForm 4
May 25, 2026Sammann DerekSr MD Gl Hd Commodities MktsJ · OtherDirect4,629——Form 4
May 25, 2026Sammann DerekSr MD Gl Hd Commodities MktsJ · OtherIndirect4,629——Form 4
Sep 16, 2026Mccourt Timothy FrancisSr MD Global Head Equity & FXF · Tax withholdingDirect364$272.46$99KForm 4
Sep 15, 2026Mccourt Timothy FrancisSr MD Global Head Equity & FXA · Grant/awardDirect2,592$275.09$713KForm 4
Sep 15, 2026Mccourt Timothy FrancisSr MD Global Head Equity & FXF · Tax withholdingDirect970$275.09$267KForm 4
Sep 16, 2026Marchese John CliffordSr MD, General CounselF · Tax withholdingDirect44$272.46$12KForm 4
Sep 15, 2026Marchese John CliffordSr MD, General CounselA · Grant/awardDirect784$275.09$216KForm 4
Sep 15, 2026Marchese John CliffordSr MD, General CounselF · Tax withholdingDirect197$275.09$54KForm 4
Sep 16, 2026Fitzpatrick LynnePresident and CFOF · Tax withholdingDirect359$272.46$98KForm 4
Sep 15, 2026Fitzpatrick LynnePresident and CFOA · Grant/awardDirect4,088$275.09$1.12MForm 4
Sep 15, 2026Fitzpatrick LynnePresident and CFOF · Tax withholdingDirect981$275.09$270KForm 4
Sep 15, 2026Duffy Terrence AChairman and CEOA · Grant/awardDirect21,812$275.09$6.00MForm 4
Sep 16, 2026Dennis Michael G.Global Head of Fixed IncomeF · Tax withholdingDirect274$272.46$75KForm 4
Sep 15, 2026Dennis Michael G.Global Head of Fixed IncomeA · Grant/awardDirect2,592$275.09$713KForm 4
Sep 15, 2026Dennis Michael G.Global Head of Fixed IncomeF · Tax withholdingDirect274$275.09$75KForm 4
Sep 16, 2026Cutinho SunilChief Information OfficerF · Tax withholdingDirect359$272.46$98KForm 4
Sep 15, 2026Cutinho SunilChief Information OfficerA · Grant/awardDirect2,864$275.09$788KForm 4
Sep 15, 2026Cutinho SunilChief Information OfficerF · Tax withholdingDirect1,054$275.09$290KForm 4
Sep 14, 2026Cook Elizabeth ADirectorS · SaleIndirect500$280.11$140KForm 4
Sep 10, 2026Duffy Terrence AChairman and CEOS · SaleDirect15,000$274.44$4.12MForm 4

CME insider trading FAQ

Are insiders buying CME stock?

Yes. In the last 90 days, CME Group Inc. insiders made 1 open-market purchase totaling $79K, and 2 open-market sales totaling $4.26M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).

Who are the insiders trading CME?

Recent buyers: Shepard William R. Recent sellers: Cook Elizabeth A, Duffy Terrence A.

Where does CME insider trading data come from?

Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.

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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.