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. reported that between April 1 and June 17, 2026, it issued 1,881,554 shares of common stock in unregistered transactions. The shares went to one accredited investor, one current consultant and nine former consultants.
The issuances reflect three components: a cash exercise of warrants to buy 12,500 shares for $175,000, multiple cashless warrant exercises involving the surrender of 102,790 shares tied to 355,065 warrants with an aggregate exercise price of $4,848,503, and an Exchange Agreement under which 1,616,779 shares were issued in exchange for the cancellation of 2,362,279 warrants. The company relied on Securities Act exemptions in Sections 4(a)(2) and 3(a)(9).
MIAMI INTERNATIONAL HOLDINGS, INC. director Alnakib A Abdulwahab filed an initial Form 3 reporting existing positions in the company’s common stock. The holdings are primarily indirect, including 85,606 shares held by Capitoria Investments Limited and 355,806 shares held by Noor Venture Group, plus 88,542 shares held by Honey Holding. He also reports 4,970 shares held directly. For Capitoria and Honey Holding, he is a director and disclaims beneficial ownership of those shares. The filing also notes a grant of restricted stock units on June 16, 2026 that will vest before the 2027 annual meeting, conditioned on continued service.
MIAMI INTERNATIONAL HOLDINGS, INC. reported that Cees Vermaas, CEO of TISEG, received new equity compensation in the form of restricted stock units (RSUs) and stock options. On June 16, 2026, he was granted 4,660 RSUs of common stock at no purchase price. These RSUs are scheduled to vest in three installments: 1,554 on June 16, 2027, 1,553 on June 16, 2028, and 1,553 on June 16, 2029, contingent on continued service.
On the same date, he also received a nonqualified stock option for 4,793 shares of common stock at an exercise price of $40.24 per share, expiring June 15, 2036. The option is set to vest in three tranches of 1,599, 1,597, and 1,597 shares on June 16, 2027, 2028, and 2029, respectively, also subject to continued service with the company or its subsidiaries.
MIAMI INTERNATIONAL HOLDINGS, INC. executive Harish Jayabalan, EVP, CISO and CRO, reported equity awards consisting of restricted stock units and stock options. He received 4,660 RSUs and options on an additional 37,293 shares of common stock at an exercise price of 40.24 per share.
The 4,660 RSUs vest in three installments: 1,554 on June 16, 2027, 1,553 on June 16, 2028, and 1,553 on June 16, 2029, subject to continued service. Option grants on 34,808 and 2,485 shares vest over the same three annual dates. Following the RSU grant, he directly holds 78,065 common shares.
MIAMI INTERNATIONAL HOLDINGS, INC. executive Edward Deitzel reported equity awards in the form of restricted stock units and stock options. He received 9,319 RSUs that vest in three installments on June 16, 2027, June 16, 2028, and June 16, 2029, subject to continued service. He also was granted 7,101 nonqualified stock options and 2,485 incentive stock options, each with a $40.24 exercise price and expiring on June 15, 2036. Following these awards, he directly holds 119,601 shares of common stock. All transactions are compensation-related grants, not open-market purchases or sales.
MIAMI INTERNATIONAL HOLDINGS, INC. executive John Smollen, EVP of New Product Development, received equity-based compensation in the form of stock and options. He was granted 7,455 shares of Common Stock as restricted stock units that vest in three equal installments on June 16, 2027, June 16, 2028, and June 16, 2029, subject to continued service. He also received Nonqualified and Incentive Stock Options covering a total of 7,669 shares at an exercise price of $40.2400 per share, vesting over the same dates. Following these grants, he directly owns 178,212 Common shares.
MIAMI INTERNATIONAL HOLDINGS, INC. EVP and CIO Douglas M. Schafer Jr. received equity compensation consisting of restricted stock units and stock options. He acquired 23,298 shares of Common Stock as restricted stock units, bringing his direct Common Stock holdings to 387,414 shares after the award.
He was also granted a nonqualified stock option for 21,481 shares and an incentive stock option for 2,485 shares, each with a $40.24 exercise price and expiring on June 15, 2036. The RSUs and options vest in three equal annual installments on June 16, 2027, June 16, 2028, and June 16, 2029, subject to his continued service.
MIAMI INTERNATIONAL HOLDINGS, INC. reported that EVP and CFO Lance Emmons received new equity compensation awards. He acquired 37,276 shares of Common Stock in the form of restricted stock units that vest in three annual installments on June 16 of 2027, 2028, and 2029, subject to continued service.
Emmons also received nonqualified and incentive stock options covering a combined 38,346 shares of Common Stock at an exercise price of $40.24 per share, which vest in three tranches over the same 2027–2029 dates. Following the RSU grant, his direct Common Stock holdings total 121,538 shares.
MIAMI INTERNATIONAL HOLDINGS, INC. executive Shelly Brown, EVP and Chief Strategy Officer, received equity awards in the form of common stock and stock options. She was granted 37,276 shares of common stock as restricted stock units, bringing her direct common stock holdings to 353,990 shares after the award.
Brown was also granted a nonqualified stock option for 35,861 shares and an incentive stock option for 2,485 shares, each exercisable for common stock at an exercise price of $40.24 per share and expiring on June 15, 2036. The RSUs and options vest in three annual installments on June 16, 2027, 2028, and 2029, contingent on her continued service with the company.
Miami International Holdings EVP, GC & Corporate Secretary Barbara J. Comly received new equity awards. She was granted 39,140 shares of Common Stock in the form of restricted stock units, which vest in three installments: 13,048 shares on June 16, 2027, 13,046 on June 16, 2028, and 13,046 on June 16, 2029, contingent on continued service.
She also received a nonqualified stock option for 37,778 shares and an incentive stock option for 2,485 shares of Common Stock, both with a $40.24 exercise price and expiring on June 15, 2036. These options vest in annual tranches from June 16, 2027 through June 16, 2029. Following these awards, Comly directly owns 882,984 shares of Common Stock. The filing reports no sales, indicating routine compensation-related grants rather than open-market purchases or sales.