Deitzel Edward 4

What Happened
Edward Deitzel, EVP, Chief Risk Officer and Chief Compliance Officer of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX), reported the disposition of 6,035 shares on 2026-02-18. The shares were recorded at $40.89 each, totaling $246,771. This disposition was a tax-withholding/net settlement related to restricted stock — not an open-market sale.

Key Details

• Transaction date: 2026-02-18; Price: $40.89 per share; Total value shown: $246,771.
• Transaction code: F (shares surrendered to satisfy tax withholding in connection with net settlement of restricted stock awards).
• Footnote: F1 clarifies these shares were surrendered to the company to satisfy tax withholding and do not represent a sale by the reporting person.
• Shares owned after the transaction: not disclosed in the provided filing.
• Filing date: 2026-02-20 — filed promptly following the Feb 18 transaction (not indicated as late).

Context
This was a routine tax-withholding/net settlement of restricted stock awards (a common administrative disposition) and should not be interpreted as a directional buy/sell signal. For option exercises or awards, net settlements that surrender shares for taxes are standard and differ from open-market sales.