SEC Form 4 · accession 0001959770-26-000012
MIAMI INTERNATIONAL HOLDINGS, INC. · MIAX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Judson Gray Teekell
Director
Period of report
Sep 2, 2026
Accepted (ET)
Sep 4, 2026 · 4:21 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001438472
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF2 | Sep 2, 2026 | S | 5,545 | $41.58 | D | 81,000 | I | By estate of Byrum W. Teekell |
| Common StockF4 | Sep 2, 2026 | S | 3,000 | $40.89 | D | 69,251 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1This transaction involved a sale by the Reporting Person in connection with his duties as Executor of the Estate of Byrum W. Teekell.
- F2This transaction was executed in multiple trades throughout the day at prices ranging from $41.02 to $41.80. The price reported above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.
- F3This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 17, 2025.
- F4This transaction was executed in multiple trades throughout the day at prices ranging from $40.31 to $41.53. The price reported above reflects the weighted average sales price. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares and prices at which the transaction was effected.