MIAX MIAMI INTERNATIONAL HOLDINGS, INC.
company
SEC Filings & Insider Trading Activity 2026

CIK: 1438472
Financials
Security Brokers, Dealers & Flotation Companies 12 filings
Russell 2000

Latest MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on March 6, 2026, a 10-Q quarterly report filed on November 7, 2025, an 8-K current report filed on April 27, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) (SEC CIK 1438472), with AI-powered section-by-section summaries updated daily.

8-K: 10
10-Q: 1
10-K: 1

Latest 2026 SEC Filing Dates

10-K Annual Report
Mar 6, 2026
10-Q Quarterly Report
Nov 7, 2025
8-K Current Report
Apr 27, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

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
+3 more insights

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
+3 more insights

Management Discussion & Analysis

  • Revenue and profitability data not disclosed in provided text
  • No details on segment performance available
+2 more insights

AI 10-Q Quarterly Report Analysis
Latest 10-Q (2025-09-30)

Risk Factors

  • New regulatory risk: 11th Circuit invalidated 2023 SEC CAT Funding Order (July 25, 2025), risking loss of $ millions in SRO CAT fee reimbursements
  • Updated market risk: trading volume 58.4% of revenues for Q3 FY2025; volume shifts to lower-fee products could materially reduce revenues
Read full Q3 2025 10-Q analysis →

Annual Reports Archive
10-K

AI-powered analysis of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) 10-Q quarterly reports filed with SEC EDGAR.

Recent 8-K Filings
Current Reports

AI-powered analysis of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) 8-K current reports disclosing material events.

Financial Summary
XBRL

FY2022FY2023FY2024FY2025
Profitability
Revenue$1.0B$1.1B$1.4B
Gross Profit$232.5M$275.6M$430.5M
Operating Income-$2.9M-$2.8M$92.0M
Net Income-$20.9M$102.1M-$70.0M
Gross Margin22.3%24.2%31.6%
Op. Margin-0.3%-0.2%6.7%
Net Margin-2.0%9.0%-5.1%
Balance Sheet
Total Assets$973.7M$1.3B
Equity-$107K$163.8M$367.6M$881.0M
ROE-12.8%27.8%-7.9%

Source: XBRL financial data from MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Apr 27, 2026
8-K
Apr 9, 2026
8-K
Mar 26, 2026
10-K
Mar 6, 2026Dec 31, 2025Analysis
8-K
Mar 2, 2026Analysis
8-K
Feb 25, 2026Analysis
8-K
Feb 20, 2026
8-K
Feb 12, 2026
8-K
Jan 21, 2026
8-K
Dec 15, 2025
8-K
Nov 26, 2025
10-Q
Nov 7, 2025Sep 30, 2025Analysis

Frequently Asked Questions

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 November 7, 2025, an 8-K current report on April 27, 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 November 7, 2025. 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 April 27, 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.

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