| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Jayabalan Harish | EVP, CISO and CRO | C/O MIAMI INTERNATIONAL HOLDINGS, INC., 7 ROSZEL ROAD, SUITE 1A, PRINCETON | /s/Alessandra Maria Corona Henriques, Attorney-in-Fact | 15 Aug 2025 | 0002080538 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MIAX | Common Stock | Purchase | $57,500 | +2,500 | +63% | $23.00 | 6,443 | 13 Aug 2025 | Direct |