Form 4: MIAX Executive Exercises Options, Boosts Stake

MIAMI INTERNATIONAL HOLDINGS EVP, CISO, and CRO Harish Jayabalan exercised stock options and increased beneficial ownership of common stock.

Summary

• Harish Jayabalan, EVP, CISO, and CRO of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX), reported transactions on September 9, 2025.
• Exercised Incentive Stock Options to acquire 21,999 shares of common stock at an exercise price of $12 per share.
• Exercised Nonqualified Stock Options to acquire 3,001 shares of common stock at an exercise price of $12 per share.
• A total of 25,000 shares were acquired through option exercises.
• 1,980 shares were disposed of at $37.3 per share to satisfy tax withholding obligations related to the option exercises.
• Following these transactions, beneficial ownership of common stock stands at 73,405 shares.
• All exercised options were fully vested.

Sentiment

Score: 7

Explanation: The insider increased their net beneficial ownership, and the significant difference between the exercise price and the tax withholding price indicates a healthy appreciation in the stock value, which is generally positive.

Positives

• Insider Harish Jayabalan increased their net beneficial ownership of common stock by 23,020 shares (25,000 acquired 1,980 disposed for tax).
• The exercise of options at $12 per share, while shares were disposed for tax at $37.3 per share, indicates a significant appreciation in the company's stock price since the options were granted.
• The options were fully vested, indicating a mature stage of the equity compensation.

Negatives

• 1,980 shares were disposed of to cover tax obligations, which is a common practice but reduces the direct stake slightly.

Future Outlook

Not applicable for a Form 4 filing, which reports historical insider transactions.

Industry Context

Not applicable for a Form 4 filing, which focuses on individual insider transactions rather than broader industry trends.

Related Party Transactions

• The option exercises are part of an equity compensation plan, which is a standard form of related party transaction between the company and its executive.

Stakeholder Impact

• Shareholders may view the net increase in insider ownership as a positive signal of management's confidence in the company's future prospects.

Key Dates

Recommendation

While the insider's net increase in ownership and the 'in-the-money' status of the options are positive signals, a single Form 4 transaction is typically not a strong enough catalyst to warrant a 'buy' or 'sell' recommendation without a broader fundamental analysis of the company's financial performance and strategic outlook. It confirms insider confidence but doesn't provide new fundamental information.

Keywords

MIAMI INTERNATIONAL HOLDINGS, MIAX, Form 4, insider trading, stock options, executive compensation, beneficial ownership, equity, CISO, CRO