Director Teekell Judson Gray sold 2,700 shares of Miami International Holdings, Inc. (MIAX) common stock on April 2, 2026, at a price of $40.00 per share, bringing the total value of the sale to $108,000. At the time the market was trading the stock at $40.17, after a week that produced a 7.67% gain in the share price.
Following the transaction, Gray's direct ownership in the company stands at 59,338 shares. The disposition was carried out under a pre-established Rule 10b5-1 trading arrangement that was adopted on December 17, 2025. The use of a 10b5-1 plan indicates the sale was executed according to a plan set in advance rather than being a spontaneous trade.
These insider activity details come alongside financial results that showed a strong finish to 2025 for Miami International Holdings. For the fourth quarter of 2025 the company reported an adjusted diluted EPS of $0.52, beating consensus expectations of $0.33. Revenue for the quarter reached $125 million, representing a 52% increase from the same period the prior year.
Operationally, the MIAX Exchange Group, part of Miami International Holdings, recorded a 25.4% rise in average daily options volume in February 2026, handling 10.8 million contracts. That elevated activity helped the group secure a 17.1% share of the U.S. equity options market, higher than its share in the prior year.
On the governance front, Miami International Holdings announced that director Lee Becker will not stand for reelection at the companys 2026 Annual Meeting of Shareholders. Becker will remain in his role as a director until his current term ends at that meeting. The company characterized these developments as part of its ongoing growth and strategic adjustments.
Context and implications
The combination of an insider sale executed under a 10b5-1 plan, robust quarterly financials, and increased market share for the exchanges unit paints a picture of active capital-markets performance and board-level transition. Each of these items is factual and reported as disclosed by the company and the insider filing; no further inference about motives or future outcomes is made here.