Miami International Holdings, Inc. SEC filings MIAX
Miami International Holdings, Inc. has 311 filings in SEC EDGAR's recent list, going back to Jun 23, 2008. Its latest annual report, Form ARS, was filed on Apr 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 2, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations).
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 5, 2026 | Nov 3, 2026 |
| 4 | Insider transaction | Nov 4, 2026 | Nov 2, 2026 |
| 144 | Notice of proposed sale | Nov 4, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 27, 2026 | — |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 26, 2026 | Oct 22, 2026 |
| 4 | Insider transaction | Oct 6, 2026 | Oct 2, 2026 |
| 144 | Notice of proposed sale | Oct 2, 2026 | — |
| 4 | Insider transaction | Sep 29, 2026 | Sep 25, 2026 |
| 4 | Insider transaction | Sep 17, 2026 | Sep 16, 2026 |
| 144 | Notice of proposed sale | Sep 16, 2026 | — |
| 4 | Insider transaction | Sep 11, 2026 | Sep 11, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 3, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 4, 2026 | Sep 2, 2026 |
| 144 | Notice of proposed sale | Sep 3, 2026 | — |
| 4 | Insider transaction | Aug 20, 2026 | Aug 18, 2026 |
| 4 | Insider transaction | Aug 20, 2026 | Aug 18, 2026 |
| 144 | Notice of proposed sale | Aug 19, 2026 | — |
| 4 | Insider transaction | Aug 19, 2026 | Aug 17, 2026 |
| 4 | Insider transaction | Aug 19, 2026 | Aug 17, 2026 |
| 144 | Notice of proposed sale | Aug 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| 4 | Insider transaction | Aug 6, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 6, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 6, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 6, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 6, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 6, 2026 | Aug 4, 2026 |
| 4 | Insider transaction | Aug 6, 2026 | Aug 4, 2026 |
| 144 | Notice of proposed sale | Aug 4, 2026 | — |
| 144 | Notice of proposed sale | Aug 4, 2026 | — |
| 144 | Notice of proposed sale | Aug 4, 2026 | — |
| 144 | Notice of proposed sale | Aug 4, 2026 | — |
| 144 | Notice of proposed sale | Aug 4, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 29, 2026 | — |
| 4 | Insider transaction | Jul 16, 2026 | Jul 15, 2026 |
| 144 | Notice of proposed sale | Jul 15, 2026 | — |
| 4 | Insider transaction | Jul 14, 2026 | Jul 13, 2026 |
| 4 | Insider transaction | Jul 14, 2026 | Jul 13, 2026 |
| 4 | Insider transaction | Jul 9, 2026 | Jul 8, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 2, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 2, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 2, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 2, 2026 |
| 144 | Notice of proposed sale | Jul 6, 2026 | — |
| 144 | Notice of proposed sale | Jul 6, 2026 | — |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 3 | Initial insider ownership | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 18, 2026 | Jun 16, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 4 | Insider transaction | Jun 17, 2026 | Jun 15, 2026 |
| 144 | Notice of proposed sale | Jun 15, 2026 | — |
| 4 | Insider transaction | Jun 12, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 11, 2026 |
| 4 | Insider transaction | Jun 11, 2026 | Jun 9, 2026 |
| 144 | Notice of proposed sale | Jun 11, 2026 | — |
| 4 | Insider transaction | Jun 10, 2026 | Jun 8, 2026 |
| 144 | Notice of proposed sale | Jun 8, 2026 | — |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | Jun 4, 2026 | Jun 2, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 19, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 21, 2026 | — |
| 4 | Insider transaction | May 19, 2026 | May 19, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 144 | Notice of proposed sale | May 15, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 5, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 4 | Insider transaction | May 5, 2026 | May 4, 2026 |
| 144 | Notice of proposed sale | May 4, 2026 | — |
| 144 | Notice of proposed sale | May 4, 2026 | — |
| 144 | Notice of proposed sale | May 4, 2026 | — |
| 3 | Initial insider ownership | Apr 28, 2026 | Apr 24, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 28, 2026 | — |
| 4 | Insider transaction | Apr 17, 2026 | Apr 15, 2026 |
| 4 | Insider transaction | Apr 17, 2026 | Apr 15, 2026 |
| 144 | Notice of proposed sale | Apr 15, 2026 | — |
| 144 | Notice of proposed sale | Apr 15, 2026 | — |
| 144 | Notice of proposed sale | Apr 15, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Apr 14, 2026 | — |
| 4 | Insider transaction | Apr 10, 2026 | Apr 9, 2026 |
| 4 | Insider transaction | Apr 9, 2026 | Apr 8, 2026 |
| 4 | Insider transaction | Apr 9, 2026 | Apr 7, 2026 |
| 4/A | Form 4/a | Apr 9, 2026 | Apr 6, 2026 |
| 4 | Insider transaction | Apr 8, 2026 | Apr 6, 2026 |
| 144 | Notice of proposed sale | Apr 7, 2026 | — |
| 144 | Notice of proposed sale | Apr 7, 2026 | — |
| 144 | Notice of proposed sale | Apr 6, 2026 | — |
| 4 | Insider transaction | Apr 3, 2026 | Apr 2, 2026 |
| 4 | Insider transaction | Apr 1, 2026 | Mar 30, 2026 |
| 4 | Insider transaction | Apr 1, 2026 | Mar 30, 2026 |
| 4 | Insider transaction | Apr 1, 2026 | Mar 30, 2026 |
| 4 | Insider transaction | Apr 1, 2026 | Mar 30, 2026 |
| 4 | Insider transaction | Apr 1, 2026 | Mar 30, 2026 |
| 4 | Insider transaction | Apr 1, 2026 | Mar 30, 2026 |
| 3 | Initial insider ownership | Mar 31, 2026 | Mar 25, 2026 |
| 4 | Insider transaction | Mar 26, 2026 | Mar 25, 2026 |
| 144 | Notice of proposed sale | Mar 25, 2026 | — |
| 4 | Insider transaction | Mar 24, 2026 | Mar 23, 2026 |
| 144 | Notice of proposed sale | Mar 23, 2026 | — |
| 4 | Insider transaction | Mar 20, 2026 | Mar 19, 2026 |
| 144 | Notice of proposed sale | Mar 19, 2026 | — |
| 4 | Insider transaction | Mar 18, 2026 | Mar 17, 2026 |
| 144 | Notice of proposed sale | Mar 17, 2026 | — |
| 4 | Insider transaction | Mar 10, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 5, 2026 |
| 4/A | Form 4/a | Mar 6, 2026 | Mar 4, 2026 |
| 4/A | Form 4/a | Mar 6, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 12, 2026 | Feb 10, 2026 |
| 4 | Insider transaction | Feb 12, 2026 | Feb 10, 2026 |
| 4 | Insider transaction | Dec 29, 2025 | Dec 23, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 16, 2025 |
| 4 | Insider transaction | Dec 17, 2025 | Dec 16, 2025 |
| 4 | Insider transaction | Dec 15, 2025 | Dec 12, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Nov 26, 2025 | — |
| 4 | Insider transaction | Oct 6, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Sep 30, 2025 | Sep 26, 2025 |
| 4 | Insider transaction | Sep 30, 2025 | Aug 28, 2025 |
| 4 | Insider transaction | Sep 15, 2025 | Sep 11, 2025 |
| 4 | Insider transaction | Sep 11, 2025 | Sep 9, 2025 |
| 4 | Insider transaction | Sep 11, 2025 | Sep 9, 2025 |
| 4 | Insider transaction | Sep 11, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 26, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 28, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Aug 21, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Aug 21, 2025 | — |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 19, 2025 | Aug 15, 2025 |
| 4 | Insider transaction | Aug 18, 2025 | Aug 14, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
| 4 | Insider transaction | Aug 15, 2025 | Aug 13, 2025 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Security Brokers, Dealers & Flotation Companies (SIC 6211)
- Listed as
- MIAX (NYSE)
- Incorporated in
- DE
- Headquarters
- Princeton, NJ
- SEC filer status
- Non-accelerated filer
- SEC CIK
- 1438472
- Former names
- MIAMI INTERNATIONAL HOLDINGS INC (until Jun 23, 2008)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.