UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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FORM 8-K

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CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 5, 2025

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Miami International Holdings, Inc.

(Exact name of Registrant as Specified in Its Charter)

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Delaware	001-42805	26-1482385
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification Number)
7 Roszel Road, Suite 1A Princeton, New Jersey 08540

(Address of Principal Executive Offices)

Registrant’s Telephone Number, Including Area Code: (609) 897-7300

N/A

(Former Name or Former Address, if Changed Since Last Report)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the

registrant under any of the following provisions:


☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common stock, $0.001 par value per share	MIAX	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933

(§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for

complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☒

Item 2.02 Results of Operations and Financial Condition.

On November 5, 2025, Miami International Holdings, Inc. (the “Company”) reported its financial results

for the quarter ended September 30, 2025. The Company's press release, dated November 5, 2025, is attached as

Exhibit 99.1 and is incorporated by reference into this Item 2.02.

The information in this Current Report on Form 8-K, including the information contained in Exhibit

99.1, is being furnished to the Securities and Exchange Commission, and shall not be deemed to be “filed” for

the purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise subject to the liabilities of that

section, and shall not be deemed to be incorporated by reference into any filing under the Securities Act of 1933

or the Securities Exchange Act of 1934, except as shall be expressly set forth by a specific reference in such

filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits


Exhibit No.	Description
99.1	Press Release, dated November 5, 2025
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly

caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: November 5, 2025

Miami International Holdings, Inc.

By: /s/ Thomas P. Gallagher

Thomas P. Gallagher

Chairman and Chief Executive Officer

MIAMI INTERNATIONAL HOLDINGS, INC. 8-K