| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Stahlin Paul | Director | C/O MIAMI INTERNATIONAL HOLDINGS, INC., 7 ROSZEL ROAD, SUITE 1A, PRINCETON | /s/Alessandra Maria Corona Henriques, Attorney-in-Fact | 15 Aug 2025 | 0001764337 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MIAX | Common Stock | Purchase | $23,000 | +1,000 | $23.00 | 1,000 | 13 Aug 2025 | Direct |