Welcome to our dedicated page for Miami Intl Hldg SEC filings (Ticker: MIAX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The SEC filings of Miami International Holdings, Inc. (NYSE: MIAX) provide detailed information about its capital markets activity, segment reporting and regulatory disclosures as an exchange operator. Through documents such as Form S-1 and Form 8-K, the company describes its business structure, operating segments and equity transactions.
In its Form S-1 registration statement, Miami International Holdings identifies operating segments associated with options, equities, futures and international markets, along with a corporate/non-segment category. The filing references revenue categories including transaction and clearing fees, access fees, market data fees and other products and services, giving investors insight into how the company characterizes its exchange-related activities.
Recent Form 8-K filings highlight specific events. An 8-K dated December 15, 2025 discloses unregistered sales of equity securities, including common stock issued upon conversion of a convertible promissory note and upon warrant exercises, and notes that aggregate unregistered issuances exceeded a threshold relative to shares outstanding as of a prior date. The same filing also describes the completion of a public secondary offering in which existing stockholders sold shares of common stock, with the company stating that it did not sell shares or receive proceeds.
Other 8-K reports address topics such as quarterly financial results, changes in the board of directors and the announcement of an agreement to sell a majority stake in MIAX Derivatives Exchange (MIAXdx) to Robinhood Markets, Inc. in partnership with Susquehanna International Group. These filings illustrate how the company uses current reports to communicate material events, corporate governance changes and strategic transactions.
On Stock Titan’s MIAX filings page, users can review these SEC documents as they are made available through EDGAR. AI-powered tools can help summarize lengthy forms such as S-1 and 8-K, highlight key segment and revenue disclosures, and surface notable equity issuance and offering details, making it easier to understand the regulatory information Miami International Holdings provides.
MIAMI INTERNATIONAL HOLDINGS, INC. director Raymond Mark F. reported equity compensation transactions that increased his direct stake in the company. He now directly holds 67,064 shares of common stock.
On June 15, 2026, he received 2,267 restricted stock units that will vest on the last business day immediately preceding the 2027 annual meeting of stockholders, contingent on continued service. On June 16, 2026, he received 4,970 RSUs that fully vested on the grant date and exercised stock options for 16,000 shares of common stock at an exercise price of $12.00 per share, exhausting that option grant.
Stahlin Paul reported acquisition or exercise transactions in this Form 4 filing.
MIAMI INTERNATIONAL HOLDINGS, INC. director Paul Stahlin reported two equity awards of common stock. He received 4,970 restricted stock units that fully vested on the grant date and 2,267 RSUs that will vest on the last business day before the 2027 annual stockholders’ meeting, subject to continued service. Following these awards, he directly holds 42,143 common shares.
Beckelman John reported acquisition or exercise transactions in this Form 4 filing.
MIAMI INTERNATIONAL HOLDINGS, INC. director John Beckelman reported two equity awards of common stock. On June 15, 2026, he received 2,267 restricted stock units (RSUs) that will vest on the last business day immediately preceding the 2027 annual meeting of stockholders, subject to his continued service. On June 16, 2026, he received 4,970 RSUs that fully vested on the grant date. Each RSU represents one share of common stock, and following these awards he directly holds 15,904 common shares.
MIAMI INTERNATIONAL HOLDINGS, INC. director Judson Gray Teekell reported receiving equity awards in the form of common stock. On June 16, 2026, he acquired 4,970 shares of common stock at a stated price of $0.00 per share through a grant classified as a restricted stock unit (RSU) award that fully vested on the grant date. On June 15, 2026, he received an additional 2,267 RSUs, each representing one share of common stock, which vest on the last business day immediately preceding the 2027 annual meeting of stockholders, subject to his continued service with the company. Following these awards, his directly held common stock position increased to 78,251 shares.
MIAMI INTERNATIONAL HOLDINGS, INC. director Kurt M. Eckert reported equity awards in the form of common stock and stock options. On June 16, 2026, he acquired 4,970 shares of common stock through restricted stock units that fully vested on the grant date.
He also received a nonqualified stock option for 7,713 shares of common stock at an exercise price of $40.2400 per share, vesting in three tranches during 2026. On June 15, 2026, he was granted an additional 2,267 RSUs that will vest immediately before the 2027 annual meeting of stockholders. Following these awards, he directly holds 149,612 shares of common stock and 7,713 option shares.
Miami International Holdings, Inc. adopted a new Senior Executive Annual Bonus Plan effective for performance periods beginning January 1, 2026. The plan covers executive officers and other employees designated by the CEO, with administration handled by the Board’s Compensation Committee for executives and by the CEO for other participants.
Awards will be earned based on performance metrics set for each performance period, which the company expects to be each fiscal year. Earned bonuses may be paid in cash or in common stock issued under the company’s 2022 Equity Incentive Plan and are subject to the company’s clawback policy and applicable law. The full plan text will be filed as an exhibit to the Form 10-Q for the quarter ended June 30, 2026.
MIAMI INTERNATIONAL HOLDINGS, INC. executive Shelly Brown, EVP and Chief Strategy Officer, sold 4,714 shares of common stock in an open-market transaction at a weighted average price of $44.23 per share. The sale was made under a previously established Rule 10b5-1 trading plan adopted on December 22, 2025. Following this transaction, Brown directly holds 316,714 shares of MIAX common stock.
MIAMI INTERNATIONAL HOLDINGS, INC. director Eric Sites reported equity compensation awards rather than open‑market trades. He received two grants of common stock classified as awards under code "A": one for 4,970 shares and another for 714 shares, both at a reported price of $0.00 per share. Following one grant, his directly held common stock position is 5,684 shares. Footnotes explain that some restricted stock units vested immediately on the grant date, while others are scheduled to vest on the last business day before the 2027 annual meeting, subject to his continued service. The filing also lists existing fully vested nonqualified stock options, including options over 9,174 shares at an exercise price of $20.00, 9,554 shares at $19.84, and 7,500-share blocks at $25.98 and $16.14, all expiring on March 26, 2030.
Morgan Stanley Smith Barney LLC submitted a Form 144 notice relating to 4,714 shares of Common stock described as Restricted Stock Awards. The filing also lists multiple 10b5-1 sales by Shelly Brown on several dates, including 25,932 shares on 03/23/2026 and smaller sales in April–June 2026.
MIAMI INTERNATIONAL HOLDINGS, INC. executive Shelly Brown, EVP and Chief Strategy Officer, surrendered 3,619 shares of common stock to the company to cover tax withholding in connection with the net settlement of restricted stock awards. This is a tax-related share disposition, not an open-market sale. After this transaction, Brown directly holds 321,428 shares of common stock.