| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| DUFFY TERRENCE A | Chairman and CEO, Director | 20 S. WACKER DRIVE, CHICAGO | By: Margaret Austin Wright For: Terrence A. Duffy | 17 Sep 2025 | 0001212809 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CME | Common Stock Class A | Award | $5,999,679 | +23,180 | +34% | $258.83 | 90,804 | 15 Sep 2025 | Direct |