Form 4: MIAX Executive's Routine Stock Withholding for Taxes

A Miami International Holdings executive disposed of 11,047 shares of common stock to cover tax obligations related to restricted stock awards.

Summary

• Shelly Brown, EVP, Strategic Planning & Business Development at Miami International Holdings, Inc. (MIAX), reported a transaction on August 26, 2025.
• The transaction involved the disposition of 11,047 shares of common stock at a price of $33.9 per share.
• This disposition was not a sale by the reporting person but represents shares surrendered to the company to satisfy tax withholding and remittance obligations associated with the net settlement of restricted stock awards.
• Following this transaction, Shelly Brown beneficially owns 327,982 shares of common stock directly.

Sentiment

Score: 5

Explanation: The transaction is a routine tax withholding event for restricted stock, which is neutral in terms of company performance or outlook. It does not reflect a discretionary sale by the insider.

Future Outlook

The filing does not contain any forward-looking statements or guidance regarding the company's future performance or strategic direction.

Industry Context

This Form 4 filing details a routine insider transaction related to compensation and tax obligations, which is common across all publicly traded companies when restricted stock awards vest. It does not provide insights into broader industry trends or competitive dynamics within the financial exchange sector.

Stakeholder Impact

• Shareholders: The transaction is a routine administrative event and does not directly impact the company's operational performance or financial health. It slightly reduces the direct beneficial ownership of an executive, but this is for tax purposes, not a market sale.
• Employees: The transaction is related to executive compensation, specifically restricted stock awards, which is a common component of compensation packages.

Key Dates

Recommendation

This Form 4 filing details a routine, non-discretionary disposition of shares for tax withholding purposes related to restricted stock awards. It does not provide new information about the company's operational performance, financial health, or strategic direction that would warrant a change in investment recommendation. Investors should consider this a standard administrative event.

Keywords

Miami International Holdings, MIAX, Shelly Brown, Form 4, Insider Transaction, Stock Withholding, Restricted Stock, Tax Obligations