SEC Form 4 · accession 0002080671-26-000012
MIAMI INTERNATIONAL HOLDINGS, INC. · MIAX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Edward Deitzel
Officer — EVP, CRO, CCO MIAX Exchanges
Period of report
Jun 16, 2026
Accepted (ET)
Jun 18, 2026 · 4:29 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001438472
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Jun 16, 2026 | A | 9,319 | $0.00 | A | 119,601 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Incentive Stock Option (Right to Buy)F2 | $40.24 | Jun 16, 2026 | A | 2,485 | A | — | Jun 15, 2036 | Common Stock | 2,485 | 2,485 | D |
| Nonqualified Stock Option (Right to Buy)F3 | $40.24 | Jun 16, 2026 | A | 7,101 | A | — | Jun 15, 2036 | Common Stock | 7,101 | 7,101 | D |
Explanation of responses
- F1The amount represents restricted stock units ("RSUs") that vest as to 3,107 on June 16, 2027, 3,106 on June 16, 2028 and the remaining 3,106 on June 16, 2029, subject to the Reporting Person's continued service to the Issuer or its subsidiaries through the applicable vesting date.
- F2829 of the shares subject to this option will vest on June 16, 2027, 828 of the shares subject to this option will vest on June 16, 2028 and the remaining 828 of the shares subject to this option will vest on June 16, 2029, subject to the Reporting Person's continued service to the Issuer or its subsidiaries through the applicable vesting date.
- F32,367 of the shares subject to this option will vest on June 16, 2027, 2,367 of the shares subject to this option will vest on June 16, 2028 and the remaining 2,367 of the shares subject to this option will vest on June 16, 2029, subject to the Reporting Person's continued service to the Issuer or its subsidiaries through the applicable vesting date.