Insider Trading July 7, 2026 04:21 PM

MIAX Executive Executes Planned Stock Transactions Amid Exchange Growth

Jayabalan Harish sells $842,400 in shares while exercising options under Rule 10b5-1 plan as Miami International Holdings reports operational expansion.

By Caleb Monroe
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MIAX

Jayabalan Harish, Executive Vice President, Chief Information Security Officer, and Chief Risk Officer at Miami International Holdings, Inc. (NASDAQ: MIAX), executed a series of stock transactions on July 6, 2026. The executive sold 20,000 shares valued at $842,400 while simultaneously acquiring 20,000 shares through the exercise of nonqualified stock options. Both transactions were conducted under a pre-arranged Rule 10b5-1 trading plan established in March 2026. Following these activities, Harish retains direct ownership of 78,065 shares. The transactions occur as Miami International Holdings reports significant operational metrics, including a 26% year-over-year increase in MIAX Exchange Group trading volume and the commencement of clearing services for MIAX Futures Exchange.

MIAX Executive Executes Planned Stock Transactions Amid Exchange Growth
MIAX
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Key Points

  • Jayabalan Harish sold 20,000 shares for $842,400 and exercised options for 20,000 shares under a Rule 10b5-1 plan.
  • Miami International Holdings reports a 26% year-over-year increase in MIAX Exchange Group trading volume.
  • The Options Clearing Corporation has started clearing services for MIAX Futures Exchange, expanding operational capabilities.

Jayabalan Harish, holding the positions of Executive Vice President, Chief Information Security Officer, and Chief Risk Officer at Miami International Holdings, Inc. (NASDAQ: MIAX), executed a dual-layered equity transaction on July 6, 2026. The executive disposed of 20,000 shares of the company’s common stock, generating a total transaction value of $842,400. These sales were executed at prices fluctuating between $42.00 and $42.32 per share, resulting in a weighted average selling price of $42.12. This activity occurred against a backdrop of recent price appreciation, with the stock climbing to $43.72, representing a 12.65% gain over the preceding week.

Concurrently, Harish acquired 20,000 shares of common stock by exercising nonqualified stock options. These acquisitions were valued at $240,000, derived from an exercise price of $12.00 per share. The options exercised were fully vested, with expiration dates spanning from October 2027 through July 2029. Both the disposition of shares and the acquisition via option exercise were conducted pursuant to a Rule 10b5-1 trading plan adopted by Harish on March 9, 2026.

Following these transactions, Harish’s direct ownership in Miami International Holdings, Inc. stands at 78,065 shares. The executive’s activities coincide with broader operational developments at the exchange operator. Miami International Holdings reported a year-to-date average daily trading volume of 10.9 million contracts for its MIAX Exchange Group as of June 2026. This figure marks a 26% increase compared to the same period in 2025. Additionally, the company disclosed the issuance of 1,881,554 shares of common stock to various investors and consultants between April 1 and June 17.

Corporate governance updates include the approval of all fifteen board director nominees and the appointment of the auditor at the annual meeting, with vote totals ranging from 50,951,839 to 66,978,355 shares in favor. The company also adopted a new Senior Executive Annual Bonus Plan for 2026, targeting performance metrics for executive officers and designated employees. Furthermore, the Options Clearing Corporation has commenced clearing services for MIAX Futures Exchange, which began listing Bloomberg equity index futures on May 17, 2026.

Valuation analysis from InvestingPro suggests MIAX appears overvalued relative to its Fair Value, placing it among stocks on the Most Overvalued list. Despite this, the company maintains a "GREAT" financial health score of 3.18. The current stock price stands at $43.72, reflecting a positive shift in market sentiment following the recent trading activity.

Risks

  • InvestingPro analysis indicates MIAX may be overvalued relative to its Fair Value.
  • The company maintains a "GREAT" financial health score, but valuation concerns persist.
  • The issuance of 1,881,554 shares to investors and consultants may impact existing shareholder equity.

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