Shelly Brown, who serves as both Executive Vice President and Chief Strategy Officer at Miami International Holdings, Inc. (NASDAQ: MIAX), executed a notable divestment of company equity on July 6, 2026. The transaction involved the sale of 16,000 shares of the firm's common stock, generating a total proceeds value of $674,080. This disposition of shares was directly preceded by the exercise of an identical quantity of nonqualified stock options, which had been fully vested.
The acquisition of these shares through option exercise occurred at a fixed exercise price of $12.00 per share, totaling an initial cost of $192,000 for the executive. Subsequently, the shares were sold at prices fluctuating between $42.00 and $42.32, resulting in a weighted average sales price of $42.13 per share. The execution of this sale was governed by a Rule 10b5-1 trading plan, a mechanism designed to facilitate pre-arranged transactions. Ms. Brown originally adopted this specific trading plan on December 22, 2025.
Following the completion of this transaction, Ms. Brown's direct ownership stake in Miami International Holdings remains substantial. She continues to hold 353,990 shares of the company's common stock directly. This retention of equity occurs amidst a period of reported operational expansion for the exchange group. Recent disclosures indicate that Miami International Holdings experienced a 26% year-over-year increase in average daily options volume across its MIAX Exchange Group. This volume reached 10.9 million contracts through June 2026.
Furthermore, the company has engaged in recent equity issuances. Between April and June 2026, Miami International Holdings issued 1,881,554 shares of common stock to a combination of an accredited investor, a current consultant, and nine former consultants. Corporate governance activities also saw significant shareholder participation. At the annual meeting, shareholders approved all fifteen nominees to the board of directors. The vote totals for these nominees ranged from 50,951,839 to 66,978,355 shares in favor.
Strategic initiatives continue to advance within the organization. Miami International Holdings announced the implementation of a new Senior Executive Annual Bonus Plan for 2026. This plan ties compensation to the achievement of specific performance metrics. In the derivatives sector, the Options Clearing Corporation has commenced providing clearing services for the MIAX Futures Exchange. This development supports the exchange, which began listing Bloomberg equity index futures in May 2026.
The financial markets reflect the ongoing activity surrounding MIAX. The stock closed at 43.72, representing a gain of 1.86 or 4.44%. In after-hours trading, the price adjusted to 42.87, reflecting a decrease of 0.86 or 1.97%.