Form4insider filings, from the source

Company · CIK 0001156375 · SIC 6200 — Security & Commodity Brokers, Dealers, Exchanges & Services · Nasdaq

CME GROUP INC. · CME

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $4.3M · 2net −$4.3M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 13Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 15, 2026 AFForm 4 →Sep 17, 4:29 pm EDTJulie WinklerSr MD Chief Commercial Officer4,277$274.87$1,175,61631,561—
Sep 15, 2026 AFForm 4 →Sep 17, 4:28 pm EDTKen VromanChief Transformation Officer3,803$274.88$1,045,35720,232—
Sep 15, 2026 AFForm 4 →Sep 17, 4:27 pm EDTJack J TobinMD Chief Accounting Officer1,047$274.96$287,88525,762—
Sep 15, 2026 AFForm 4 →Sep 17, 4:26 pm EDTSuzanne SpragueCOO & Global Head of Clearing4,016$274.89$1,103,95115,548—
Sep 15, 2026 AFForm 4 →Sep 17, 4:24 pm EDTTimothy Francis McCourtSr MD Global Head Equity & FX3,926$274.85$1,079,04613,366—
Sep 15, 2026 AFForm 4 →Sep 17, 4:23 pm EDTJohn Clifford MarcheseSr MD, General Counsel1,025$274.98$281,8523,598—
Sep 15, 2026 AFForm 4 →Sep 17, 4:22 pm EDTLynne FitzpatrickPresident and CFO5,428$274.92$1,492,24426,661—
Sep 15, 2026 AForm 4 →Sep 17, 4:21 pm EDTTerrence A DuffyChairman and CEO, Director21,812$275.09$6,000,26362,442—
Sep 15, 2026 AFForm 4 →Sep 17, 4:20 pm EDTMichael G. DennisGlobal Head of Fixed Income3,140$274.86$863,06210,682—
Sep 15, 2026 AFForm 4 →Sep 17, 4:19 pm EDTSunil CutinhoChief Information Officer4,277$274.87$1,175,61625,037—
Sep 14, 2026 SForm 4 →Sep 14, 8:04 pm EDTElizabeth A CookDirector500$280.11$140,05517,916−2.72%
Sep 10, 2026 SForm 4 →Sep 11, 5:17 pm EDTTerrence A DuffyChairman and CEO, Director15,000$274.44$4,116,53940,630−27.0%

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.