Form 4: MIAX Exec Surrenders Shares for Tax Obligations

A Miami International Holdings executive surrendered shares to cover tax obligations related to restricted stock awards.

Summary

• Barbara J. Comly, EVP, GC & Corporate Secretary of Miami International Holdings, Inc. (MIAX), surrendered shares to the company.
• The transaction, dated August 13, 2025, involved the surrender of 288,075 shares of Common Stock and 25,050 shares of Nonvoting Common Stock.
• These shares were surrendered at a price of $23 per share to satisfy tax withholding and remittance obligations.
• This action was in connection with the net settlement of restricted stock awards and does not represent a sale by the reporting person.
• Following the transaction, Ms. Comly beneficially owns 580,843 shares of Common Stock and 130,617 shares of Nonvoting Common Stock directly.
• The Nonvoting Common Stock is convertible on a one-for-one basis into Common Stock at any time and has no expiration date.

Sentiment

Score: 5

Explanation: The filing details a routine, non-discretionary transaction (share surrender for tax withholding) which is neutral in its implications for the company's operational or financial performance.

Stakeholder Impact

• Shareholders: Minimal direct impact as this is a non-sale transaction for tax purposes, not a discretionary sale by the executive. It may slightly reduce the number of outstanding shares if the company retires them, but the effect is negligible.
• Employees: Reflects standard compensation practices for executives involving restricted stock awards and associated tax obligations.

Key Dates

Keywords

MIAX, SEC Form 4, Insider Transaction, Stock Award, Tax Withholding, Common Stock, Nonvoting Common Stock, Restricted Stock