Shelly Brown, Executive Vice President and Chief Strategy Officer of Miami International Holdings, Inc., filed a Form 4 with the SEC on September 11, 2026, disclosing a disposition of common stock on that same date.

Key Highlights

  • Reporting person: Shelly Brown, EVP and Chief Strategy Officer of Miami International Holdings, Inc.
  • Transaction date: September 11, 2026, with transaction code F (shares surrendered to satisfy tax withholding).
  • Shares disposed: 16,283 shares of common stock at a price of $42.54 per share.
  • Beneficial ownership after transaction: 337,707 shares of common stock held directly.
  • Nature of transaction: According to the filing, shares were surrendered to the company to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock awards, and the filing states this "does not represent a sale by the reporting person."

Shelly Brown's Tax Withholding Share Surrender at Miami International Holdings

According to the Form 4 filed on September 11, 2026, Shelly Brown, who serves as EVP and Chief Strategy Officer at Miami International Holdings, Inc. (MIAX), reported a single non-derivative transaction involving the disposition of 16,283 shares of common stock. The transaction was coded "F," which corresponds to shares surrendered to the issuer to cover tax obligations.

The filing's footnote clarifies that the shares disposed of "have been surrendered to the Company to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock awards and does not represent a sale by the reporting person." The price recorded for the transaction was $42.54 per share. Following the transaction, Brown directly holds 337,707 shares of Miami International Holdings common stock, as reported in the filing.

The Form 4 was signed by Alessandra Maria Corona Henriques as Attorney-in-Fact on September 11, 2026. No derivative securities transactions were reported. The filing was made by one reporting person, and no amendment date was indicated, suggesting this is an original filing.

What Was Disclosed

The Form 4 disclosed a tax-withholding-related surrender of 16,283 common shares at $42.54 per share by Shelly Brown, EVP and Chief Strategy Officer of Miami International Holdings, Inc., resulting in direct beneficial ownership of 337,707 shares as of September 11, 2026.