Home / Business and Economy / MIAX Exec Sells $500K in Stock After Option Exercise
MIAX Exec Sells $500K in Stock After Option Exercise
12 Aug
Summary
- Executive Edward Deitzel sold 11,000 shares for $45.78 each.
- The sale occurred after exercising options valued at $12.00 per share.
- Deitzel retains over $5.4 million in company stock and derivatives.

Edward Deitzel, an executive with Miami International Holdings, Inc. (MIAX), recently executed a significant stock sale. On August 4, Deitzel sold 11,000 shares of common stock, according to an SEC Form 4 filing. This transaction followed his exercise of 11,000 stock options, which he acquired at an exercise price of $12.00 per share.
The sale of these shares occurred at an average price of $45.78 per share, allowing Deitzel to realize substantial cash gains. This specific transaction was performed under a Rule 10b5-1 trading plan, adopted on December 30, 2025, which provides a structured approach for insider stock sales.
Following this event, Deitzel's direct holdings in MIAX common stock remain at 119,601 shares. The value of his remaining direct equity is approximately $5.42 million, based on the August 4 market close. Furthermore, he continues to hold 77,000 derivative securities, indicating ongoing alignment with the company's long-term financial objectives. Miami International Holdings operates a diversified marketplace ecosystem for options, futures, and cash equities.