Director Teekell Judson Gray of Miami International Holdings, Inc. completed a sale of 300 shares of the company's common stock on March 25, 2026, for a total of $12,000. The reported transaction price was $40.00 per share, with the price range for the sale recorded as $40.00 to $40.00. The related Form 4 was signed on March 26, 2026 by Alessandra Maria Corona Henriques, acting as Attorney-in-Fact.
The sale was carried out under a previously established Rule 10b5-1 trading plan that Gray adopted on December 17, 2025. Following this disposition, Gray's direct beneficial ownership in Miami International Holdings stands at 62,038 shares.
Since the time of the sale, the stock has moved lower, trading at $38.31 and reflecting an approximate 13% decline year-to-date. Miami International Holdings reports a market capitalization of $3.57 billion and is currently trading near InvestingPro's Fair Value estimate, which the company profile cites as an indication of a balanced valuation.
Analysts referenced in the company profile expect Miami International to return to profitability in 2026, with a projected earnings per share of $1.68 for that year.
Recent operating and financial performance
Miami International reported strong results for the fourth quarter of 2025. Adjusted diluted earnings per share for the quarter were $0.52, exceeding a projected $0.33. Revenue for Q4 2025 was $125 million, an increase of 52% compared with the fourth quarter of the prior year.
Trading activity on MIAX's U.S. options exchanges also expanded. In February 2026, the group's U.S. options exchanges handled an average daily volume of 10.8 million contracts, a 25.4% increase from February 2025. The MIAX Exchange Group's share of the U.S. equity options market was 17.1% in February 2026, up from 8.1% a year earlier; the group's market share was reported at 17.6% in January 2026.
These operational metrics and the quarterly earnings beat underscore continued growth in MIAX's core business lines and its increasing presence in the U.S. options market.
Context and disclosure
The director sale was executed under a pre-arranged trading plan, and the transaction was formally reported by an Attorney-in-Fact the day after the sale. No additional disclosures were provided in the filing beyond the usual Form 4 reporting of the sale and remaining ownership.