| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Vroman Ken | Chief Transformation Officer | 20 S. WACKER DRIVE, CHICAGO | By: Margaret Austin Wright For: Kendal L. Vroman | 2025-09-17 | 0001429863 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CME | Common Stock Class A | Tax liability | -$251K | -971 | -5.18% | $258.83 | 17.8K | Sep 15, 2025 | Direct | F1 |
| transaction | CME | Common Stock Class A | Award | $675K | +2.61K | +14.66% | $258.83 | 20.4K | Sep 15, 2025 | Direct | |
| transaction | CME | Common Stock Class A | Tax liability | -$84.4K | -325 | -1.59% | $259.83 | 20.1K | Sep 16, 2025 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Mr. Vroman surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on September 15, 2025. |
| F2 | Mr. Vroman surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on September 16, 2025. |