Form 4: Director Mark Massad Acquires MIAX Shares

Director Mark Massad reported transactions involving the acquisition of 2,267 and 4,970 shares of common stock in Miami International Holdings, Inc. (MIAX).

Summary

• Director Mark Massad acquired 2,267 shares of Miami International Holdings, Inc. (MIAX) common stock on June 15, 2026, with a reported acquisition price of $0.
• These shares represent restricted stock units (RSUs) that fully vested on the grant date.
• Additionally, on June 16, 2026, Massad acquired another 4,970 shares of MIAX common stock, also at a reported acquisition price of $0.
• These latter RSUs are set to vest on the last business day before the 2027 annual stockholders' meeting, contingent on Massad's continued service.
• Following these transactions, Massad beneficially owns a total of 10,737 shares of common stock.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral filing, as it represents routine insider transactions related to RSU vesting and grants, rather than significant new investment or divestment decisions.

Positives

• Director Mark Massad has increased his beneficial ownership of Miami International Holdings, Inc. common stock.
• The acquisition of 2,267 shares represents vested restricted stock units, indicating a completed compensation event.
• The acquisition of 4,970 shares represents future vesting, aligning management's interests with the company's long-term performance, subject to continued service.

Future Outlook

The filing indicates that 4,970 restricted stock units are scheduled to vest on the last business day immediately preceding the 2027 annual meeting of stockholders, contingent upon the reporting person's continued service to the Issuer.

Industry Context

StockSavvy.ai notes that Form 4 filings are standard disclosures for insider transactions, providing transparency into the holdings and activities of company directors and officers. These transactions, particularly those involving RSUs, are common compensation tools designed to retain talent and align executive interests with shareholder value.

Stakeholder Impact

• Shareholders: Increased insider ownership can be viewed positively as it signals confidence in the company's future prospects.
• Employees: The vesting of RSUs for management reinforces performance-based compensation structures.
• Management: The transactions reflect the compensation and incentive plans for key personnel.

Next Steps

• Vesting of 4,970 RSUs on the last business day preceding the 2027 annual meeting of stockholders, subject to continued service.

Key Dates

Keywords

Form 4, SEC Filing, Insider Trading, Stock Acquisition, Restricted Stock Units, Vesting, Beneficial Ownership, Miami International Holdings, MIAX, Director