| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| GEPSMAN MARTIN J | Director | 20 S. WACKER DRIVE, CHICAGO | By: Margaret Austin Wright For: Martin J. Gepsman | 20 Feb 2026 | 0001212813 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CME | Common Stock Class A | Sale | $91,770 | -300 | -1.2% | $305.90 | 24,999 | 20 Feb 2026 | Direct |