SEC Form 4 · accession 0002080668-26-000002
MIAMI INTERNATIONAL HOLDINGS, INC. · MIAX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Cees Vermaas
Officer — CEO of TISEG
Period of report
Jun 16, 2026
Accepted (ET)
Jun 18, 2026 · 4:39 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 | 4,660 | $0.00 | A | 4,660 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nonqualified Stock Option (Right to Buy)F2 | $40.24 | Jun 16, 2026 | A | 4,793 | A | — | Jun 15, 2036 | Common Stock | 4,793 | 4,793 | D |
Explanation of responses
- F1The amount represents restricted stock units ("RSUs") that vest as to 1,554 on June 16, 2027, 1,553 on June 16, 2028 and the remaining 1,553 on June 16, 2029, subject to the Reporting Person's continued service to the Issuer or its subsidiaries through each applicable vesting date.
- F21,599 of the shares subject to this option will vest on June 16, 2027, 1,597 of the shares subject to this option will vest on June 16, 2028 and the remaining 1,597 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.