Director Talal Jassim Al-Bahar receives MIAX (MIAX) stock unit grants

Rhea-AI Filing Summary

MIAMI INTERNATIONAL HOLDINGS, INC. director Talal Jassim Al-Bahar reported two stock-based compensation grants. On June 16, 2026, he acquired 4,970 fully vested restricted stock units, each representing one common share. On June 15, 2026, he received 2,267 RSUs that vest before the 2027 annual meeting, subject to continued service. Following these awards, he directly holds 40,891 common shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Al-Bahar Talal Jassim

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	4,970	$0.00	--
Grant/Award	Common Stock	2,267	$0.00	--

Holdings After Transaction: Common Stock — 40,891 shares (Direct, null)

Footnotes (1)

1. The amount represents restricted stock units ("RSUs") that fully vested on the date of grant. Each RSU represents a right to receive one share of the Issuer's common stock. The amount represents RSUs that vest on the last business day immediately preceding the 2027 annual meeting of stockholders, subject to the reporting person's continued service to the Issuer through the vesting date.

Key Figures

Fully vested RSUs granted: 4,970 shares Time-based RSUs granted: 2,267 shares Shares held after transactions: 40,891 shares +1 more

4 metrics

Fully vested RSUs granted 4,970 shares Restricted stock units vested on grant date June 16, 2026

Time-based RSUs granted 2,267 shares RSUs vest before 2027 annual meeting, subject to continued service

Shares held after transactions 40,891 shares Direct ownership following reported June 2026 awards

Transaction price per share $0.0000 per share Equity awards granted at no cash cost to the director

Key Terms

restricted stock units ("RSUs"), fully vested on the date of grant, vest on the last business day immediately preceding the 2027 annual meeting, subject to the reporting person's continued service

4 terms

restricted stock units ("RSUs") financial

"The amount represents restricted stock units ("RSUs") that fully vested on the date of grant."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

fully vested on the date of grant financial

"RSUs that fully vested on the date of grant. Each RSU represents a right to receive one share."

vest on the last business day immediately preceding the 2027 annual meeting financial

"The amount represents RSUs that vest on the last business day immediately preceding the 2027 annual meeting of stockholders."

subject to the reporting person's continued service financial

"RSUs that vest ... subject to the reporting person's continued service to the Issuer through the vesting date."

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/17/2026 - 05:04 PM Accepted by SEC EDGAR 06/17/2026 - 05:04 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Al-Bahar Talal Jassim

(Last) (First) (Middle)

C/O MIAMI INTERNATIONAL HOLDINGS, INC.

7 ROSZEL ROAD, SUITE 1A

(Street)

PRINCETON NEW JERSEY 08540

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
MIAMI INTERNATIONAL HOLDINGS, INC. [ MIAX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/15/2026		A		2,267(1)	A	$0	35,921	D
Common Stock	06/16/2026		A		4,970(2)	A	$0	40,891	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The amount represents restricted stock units ("RSUs") that fully vested on the date of grant. Each RSU represents a right to receive one share of the Issuer's common stock.

2. The amount represents RSUs that vest on the last business day immediately preceding the 2027 annual meeting of stockholders, subject to the reporting person's continued service to the Issuer through the vesting date.

Remarks:

	/s/Alessandra Maria Corona Henriques, Attorney-in-Fact	06/17/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did MIAX director Talal Jassim Al-Bahar report on this Form 4?

Talal Jassim Al-Bahar reported two stock-based compensation grants in MIAMI INTERNATIONAL HOLDINGS, INC. common stock. He received fully vested restricted stock units and additional RSUs that vest before the 2027 annual meeting, increasing his directly held share position as disclosed in the filing.

How many MIAX shares did Talal Jassim Al-Bahar acquire through these awards?

He acquired 4,970 fully vested restricted stock units and 2,267 additional RSUs, each representing one MIAMI INTERNATIONAL HOLDINGS, INC. common share. These awards are classified as grants or awards, not open‑market purchases, and reflect equity-based compensation rather than discretionary share buying.

When do Talal Jassim Al-Bahar’s new MIAX RSUs vest?

One grant of 4,970 restricted stock units vested fully on the grant date. A separate grant of 2,267 RSUs will vest on the last business day immediately preceding the 2027 annual meeting of stockholders, assuming his continued service to MIAMI INTERNATIONAL HOLDINGS, INC. through that vesting date.

How many MIAX shares does Talal Jassim Al-Bahar hold after these transactions?

Following the reported stock grants, Talal Jassim Al-Bahar directly holds 40,891 shares of MIAMI INTERNATIONAL HOLDINGS, INC. common stock. This total reflects his updated post‑transaction ownership as disclosed, combining his existing holdings with the newly awarded, share‑settled restricted stock units.

Are these MIAX Form 4 transactions open-market buys or compensation grants?

These transactions are compensation-related grants, not open-market purchases. The Form 4 uses transaction code “A” for grant or award, and footnotes explain they are restricted stock units that either vested immediately on grant or will vest before the 2027 annual stockholders’ meeting.