InsiderTrades

Form 4 for CME CME Group

Accepted 2025-09-17 00:00:00 ET · period of report 2025-09-15 · accession 0001409789-25-000009 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
M 2025-09-17 2025-09-15+ CME Piell Hilda Harris Sr MD, Chief HR Off F - Tax $259.08 -1,278 30.4K -4% -$331.1K
2025-09-17 2025-09-15 CME Piell Hilda Harris Sr MD, Chief HR Off A - Grant $258.83 +2,608 30.7K +9% +$675.0K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock Class A 2025-09-15 F D 953 $258.83 28,108 D — — (F1) Ms. Piell surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on September 15, 2025.
2 Common Common Stock Class A 2025-09-16 F D 325 $259.83 30,391 D — — (F2) Ms. Piell surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on September 16, 2025.
3 Common Common Stock Class A 2025-09-15 A A 2,608 $258.83 30,716 D — —