MIAX MIAMI INTERNATIONAL HOLDINGS, INC.

company

SEC Filings & Insider Trading Activity 2026

Business Overview

• • Core business: Operates technology-driven regulated financial marketplaces across options, equities, futures, and international listings
• • New: Exclusive 10-year license with Bloomberg for proprietary index futures and options, launching in Q2 2026
• • Strategic shift: Sold 90% of MIAXdx (cryptocurrency derivatives exchange) to Robinhood/SIG joint venture in January 2026, retaining 10%
• • Quantitative metric: 2025 U.S. options volume 2.4 billion contracts, up 41.1% YoY; MIAX Sapphire options exchange launched August 2024 with physical trading floor opened September 2025
• • Noteworthy fact: Completed acquisition of The International Stock Exchange Group (TISEG) in June 2025, expanding into European and UK markets with 7.4% increase in listed securities

Risk Factors

• • Section 31 fee suspension May 14, 2025; $0.00 per million temporary until FY 2026 legislation enacted, impacting regulatory revenue and costs
• • Exposure to UK market via TISE Acquisition for $69.7 million in June 2025, with ongoing geopolitical uncertainty in Europe
• • Supply chain shift: MIAX Futures migration off CME Globex platform June 30, 2025, eliminating related fees but requiring platform transition
• • Competitive pressure from proprietary futures products causing inverted pricing with liquidity payments exceeding transaction fees in Futures segment
• • High-cost debt extinguishment in August 2025: $140 million loan prepaid with $36 million prepayment premium, resulting in $107.7 million loss on extinguishment

Management Discussion & Analysis

• • Revenue and profitability data not disclosed in provided text
• • No details on segment performance available
• • Cash flow, buybacks, dividends, and capex information not included
• • Forward-looking outlook or risks not mentioned in excerpt

What are the latest MIAX SEC filings in 2026?

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) has filed a 10-K annual report on March 6, 2026, a 10-Q quarterly report on May 8, 2026, an 8-K current report on August 5, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did MIAX file its most recent 10-K annual report?

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) filed its most recent 10-K annual report on March 6, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view MIAX 10-Q quarterly reports?

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)'s most recent 10-Q quarterly report was filed on May 8, 2026. SignalX displays every MIAX 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has MIAX filed recently?

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)'s most recent 8-K was filed on August 5, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find MIAX insider trading activity (Form 4)?

SignalX aggregates every MIAX Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does MIAX file with the SEC?

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new MIAX filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs, such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX).

What is MIAX's SEC CIK number?

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)'s SEC CIK (Central Index Key) number is 1438472. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1438472 to look up all MIAX filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find MIAX return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.