| 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 | 13 Aug 2025 | 0002080538 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | MIAX | Common Stock | 3,943 | 13 Aug 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | MIAX | Series B Preferred Stock | 13 Aug 2025 | Common Stock | 500 | Direct | F1 | |||||||
| holding | MIAX | Nonvoting Common Stock | 13 Aug 2025 | Common Stock | 43,442 | Direct | F2 | |||||||
| holding | MIAX | Incentive Stock Option (Right to Buy) | 13 Aug 2025 | Series B Preferred Stock | 21,999 | $12.00 | Direct | F3 | ||||||
| holding | MIAX | Incentive Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 16,666 | $12.00 | Direct | F3 | ||||||
| holding | MIAX | Incentive Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 8,333 | $12.00 | Direct | F3 | ||||||
| holding | MIAX | Incentive Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 8,333 | $12.00 | Direct | F3 | ||||||
| holding | MIAX | Incentive Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 6,570 | $15.22 | Direct | F3 | ||||||
| holding | MIAX | Incentive Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 6,195 | $16.14 | Direct | F3 | ||||||
| holding | MIAX | Incentive Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 3,878 | $25.78 | Direct | F3 | ||||||
| holding | MIAX | Incentive Stock Option (Right to Buy) | 13 Aug 2025 | Common Stock | 5,040 | $19.84 | Direct | F4 | ||||||
| holding | MIAX | Incentive Stock Option (Right to Buy) | 13 Aug 2025 | Common Stock | 4,980 | $20.08 | Direct | F5 | ||||||
| holding | MIAX | Incentive Stock Option (Right to Buy) | 13 Aug 2025 | Common Stock | 4,464 | $22.40 | Direct | F6 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Series B Preferred Stock | 3,001 | $12.00 | Direct | F7 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 20,834 | $12.00 | Direct | F7 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 16,667 | $12.00 | Direct | F7 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 16,667 | $12.00 | Direct | F7 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 23,430 | $15.22 | Direct | F7 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 26,304 | $16.14 | Direct | F7 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Nonvoting Common Stock | 8,621 | $25.78 | Direct | F7 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Common Stock | 57,500 | $24.70 | Direct | F8 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Common Stock | 19,959 | $19.84 | Direct | F9 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Common Stock | 15,020 | $20.08 | Direct | F10 | ||||||
| holding | MIAX | Nonqualified Stock Option (Right to Buy) | 13 Aug 2025 | Common Stock | 45,536 | $22.40 | Direct | F11 |
| Id | Content |
|---|---|
| F1 | The shares of Series B Preferred Stock are held jointly with his spouse with right of survivorship and are convertible on a one-for-one basis into shares of common stock commencing on the Company's initial public offering of its common stock ("IPO") effective date, which is August 13, 2025. The Series B Preferred Stock has no expiration date. |
| F2 | The shares of nonvoting common stock are convertible on a one-for-one basis into shares of common stock commencing at any time and 4,500 of those shares are held jointly with his spouse with right of survivorship. The nonvoting common stock has no expiration date. |
| F3 | The incentive stock options are fully vested. The options were granted initially as the right to buy nonvoting common stock or Series B preferred stock, as applicable. On the closing date of the IPO, these will convert to the right to buy common stock instead of nonvoting common stock or Series B preferred stock, as applicable. |
| F4 | All the shares subject to this incentive stock option will vest on March 9, 2026 subject to the reporting person's continued service to the Issuer or its subsidiaries through the applicable vesting date. |
| F5 | All the shares subject to this incentive stock option will vest on June 10, 2027, subject to the reporting person's continued service to the Issuer or its subsidiaries through the applicable vesting date. |
| F6 | All the shares subject to this incentive stock option will vest on June 16, 2028, subject to the reporting person's continued service to the Issuer or its subsidiaries through the applicable vesting date. |
| F7 | The nonqualified stock options are fully vested. The options were granted initially as the right to buy nonvoting common stock or Series B preferred stock, as applicable. On the closing date of the IPO, these will convert to the right to buy common stock instead of nonvoting common stock or Series B preferred stock, as applicable. |
| F8 | 38,334 of the shares subject to this nonqualified stock option are vested and the remaining 19,166 will vest on October 1, 2025 subject to the reporting person's continued service to the Issuer or its subsidiaries through the applicable vesting date. |
| F9 | 16,666 of the shares subject to this nonqualified stock option are vested and the remaining 3,293 will vest on March 29, 2026, subject to the reporting person's continued service to the Issuer or its subsidiaries through the applicable vesting date. |
| F10 | 6,667 of the shares subject to this nonqualified stock option are vested, 6,666 will vest on June 10, 2026 and the remaining 1,687 will vest on June 10, 2027, subject to the reporting person's continued service to the Issuer or its subsidiaries through the applicable vesting date. |
| F11 | 16,667 of the shares subject to this nonqualified stock option will vest on June 16, 2026, 16,666 will vest on June 16, 2027 and the remaining 12,203 will vest on June 16, 2028, subject to the reporting person's continued service to the Issuer or its subsidiaries through the applicable vesting date. |
See Exhibit 24.1 - Power of Attorney