Company Analysis

Miami International Holdings, Inc. (MIAX)

NYSE: MIAX · Security Brokers, Dealers & Flotation Companies · Princeton, NJ · filing with the SEC since 2008
Grade5.5
◀ Past 5.6● Present 5.5▶ Future 5.3
2 est.

Filings

94 filings since 2017 beside 215 insider forms · Non-accelerated filer · read from EDGAR on Nov 13, 2026
Due nextNon-accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Non-accelerated filers and smaller reporting companies have 90 days after the fiscal year ends. by Mar 31, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Non-accelerated filers and smaller reporting companies have 45 days after the quarter ends; quarter ends are taken to the month end. by May 15, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 29 days after the quarter ended. The proxy statement was last filed Apr 27, 2026.

Filings a yearinsider forms included
2111413791180
20182020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 5 times in the last 36 months, the newest Jun 17, 2026.SEC letters: 5 in the last 36 months, the newest Dec 9, 2025.
Insider forms 215

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 2, 2026 10-Q Quarterly report Sep 30, 2026
Oct 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Oct 27, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 14, 2026 SCHEDULE 13G Large holder notice
Aug 7, 2026 10-Q Quarterly report Jun 30, 2026
Aug 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 29, 2026 SCHEDULE 13G Large holder notice
Jul 21, 2026 8-K item 8.01 Other event · Current report Jul 20, 2026
Jun 22, 2026 8-K item 3.02 Shares sold without registration · Current report Jun 17, 2026
Jun 18, 2026 8-K item 5.07 Shareholder vote · Current report Jun 16, 2026
Jun 17, 2026 8-K item 5.02 Officer or director change · Current report Jun 15, 2026
May 21, 2026 SCHEDULE 13D/A Activist holder update, amended
May 8, 2026 10-Q Quarterly report Mar 31, 2026
May 6, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 28, 2026 SCHEDULE 13D/A Activist holder update, amended
Apr 27, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 27, 2026 DEFA14A Extra proxy material
Apr 27, 2026 DEF 14A Proxy statement Jun 16, 2026
Apr 27, 2026 8-K item 5.02 Officer or director change · Current report Apr 23, 2026
Apr 14, 2026 SCHEDULE 13D/A Activist holder update, amended
Apr 9, 2026 8-K item 5.02 Officer or director change · Current report Apr 7, 2026
Mar 26, 2026 8-K item 5.02 Officer or director change · Current report Mar 24, 2026
Mar 6, 2026 S-8 Employee stock plan registration
Mar 6, 2026 10-K Annual report Dec 31, 2025
Mar 2, 2026 8-K item 3.02 Shares sold without registration · Current report Feb 25, 2026
Feb 25, 2026 8-K items 2.02, 9.01 Results released · Current report
Feb 20, 2026 8-K item 3.02 Shares sold without registration · Current report Feb 18, 2026
Feb 12, 2026 8-K item 3.02 Shares sold without registration · Current report Feb 9, 2026
Jan 21, 2026 8-K items 8.01, 9.01 Other event · Current report Jan 20, 2026
Dec 15, 2025 8-K items 3.02, 8.01 Shares sold without registration; Other event · Current report
Dec 15, 2025 424B4 Offering prospectus
Dec 12, 2025 POS AM Registration amended after taking effect
Dec 11, 2025 EFFECT Registration effective
Dec 9, 2025 CORRESP Reply to the SEC
Dec 9, 2025 S-1 Listing registration
Nov 26, 2025 DRS Draft registration, confidential
Nov 26, 2025 8-K items 8.01, 9.01 Other event · Current report Nov 25, 2025
Nov 26, 2025 SCHEDULE 13D/A Activist holder update, amended
Nov 7, 2025 10-Q Quarterly report Sep 30, 2025
Nov 5, 2025 8-K items 2.02, 9.01 Results released · Current report
40 of 94 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton MIAX · research, not advice