Form4insider filings, from the source

Insider · CIK 0001212852

William R Shepard

Files at: CME. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $78k · 1sales $0 · 0net $78k
$10k$10k$100k$100k$1M$1MbuyssalesSep 2024Jan 2025May 2025Sep 2025Jan 2026May 2026Sep 2026

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 25, 2026 PForm 4 →Jun 29, 4:28 pm EDTCME GROUP INC.CME339$230.57$78,186260,442+0.13%
Jun 25, 2026 AForm 4 →Jun 29, 4:28 pm EDTCME GROUP INC.CME1,067$225.00$240,0753,606—

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.