| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Fitzpatrick Lynne | President and CFO | 20 SOUTH WACKER DRIVE, CHICAGO | By: Margaret Austin Wright For: Lynne Fitzpatrick | 17 Sep 2025 | 0001915955 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CME | Common Stock Class A | Tax liability | $165,392 | -639 | -3.6% | $258.83 | 16,955 | 15 Sep 2025 | Direct | F1 |
| transaction | CME | Common Stock Class A | Award | $1,125,393 | +4,348 | +26% | $258.83 | 21,303 | 15 Sep 2025 | Direct | |
| transaction | CME | Common Stock Class A | Tax liability | $98,476 | -379 | -1.8% | $259.83 | 20,924 | 16 Sep 2025 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Ms. Fitzpatrick surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on September 15, 2025. |
| F2 | Ms. Fitzpatrick surrendered shares to the Company in order to fulfill tax withholding obligations upon the vesting of restricted stock on September 16, 2025. |