MIAX director receives 2,267-share stock award

MIAMI INTERNATIONAL HOLDINGS, INC. director Lee Becker received an equity award in the form of 2,267 shares of common stock on the grant date.

Rhea-AI Filing Summary

MIAMI INTERNATIONAL HOLDINGS, INC. director Lee Becker received an equity award in the form of 2,267 shares of common stock on the grant date. The Form 4 classifies this as a grant or award acquisition at a stated price of $0.0000 per share.

According to the footnote, the amount represents restricted stock units that fully vested on the date of grant, with each RSU converting into one share of common stock. Following this award, Becker directly holds 2,267 shares, reflecting a routine compensation-related grant rather than an open-market purchase or sale.

Insights

Equity compensation analyst

Director received a small, routine stock award as compensation.

Director Lee Becker was granted 2,267 restricted stock units that fully vested on the grant date, delivering the same number of common shares. The award is reported at a price of $0.0000 per share, indicating compensation rather than a market transaction.

The filing shows Becker holding 2,267 shares directly after the grant, with no derivatives or additional positions reported. This looks like standard director equity compensation, not a buy or sell decision, so its informational value for outside investors is limited and primarily administrative.

Insider Trade Summary

Grant/Award: 2,267 shares

Grant/Award 1 txn

Insider Becker Lee

Role Director

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

Holdings After Transaction: Common Stock — 2,267 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Shares granted: 2,267 shares Price per share (award): $0.0000 per share Shares held after transaction: 2,267 shares +2 more

5 metrics

Shares granted 2,267 shares Restricted stock units fully vested on grant date

Price per share (award) $0.0000 per share Grant/award acquisition classification

Shares held after transaction 2,267 shares Total direct holdings following the award

Transaction code Code A Grant, award, or other acquisition

Transaction date 2026-06-15 Date RSUs vested and converted to shares

Key Terms

restricted stock units, RSUs, grant, award, or other acquisition, Form 4

4 terms

restricted stock units financial

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

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

RSUs financial

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

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

grant, award, or other acquisition regulatory

"transaction_code_description: "Grant, award, or other acquisition""

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did MIAX director Lee Becker report in this Form 4 filing?

Lee Becker reported receiving 2,267 shares of MIAX common stock as an equity award. The filing classifies the transaction as a grant or award acquisition, not an open-market trade, and shows these shares held directly after the transaction.

How many MIAX shares did Lee Becker acquire in the reported transaction?

Lee Becker acquired 2,267 shares of MIAX common stock in the reported transaction. These shares came from restricted stock units that fully vested on the grant date, with each RSU converting into one share of common stock for the director.

Was Lee Becker’s MIAX Form 4 transaction a stock purchase or a grant?

The transaction was a grant, not an open-market stock purchase. The Form 4 lists code “A” for grant or award acquisition, and the shares came from vested restricted stock units rather than being bought at market prices on an exchange.

What does the RSU footnote in the MIAX Form 4 for Lee Becker explain?

The footnote explains the 2,267 units are restricted stock units that fully vested on the grant date. Each RSU represents a right to receive one share of MIAX common stock, so the vesting immediately delivered 2,267 shares to the reporting director.

How many MIAX shares does Lee Becker hold after this Form 4 transaction?

After the transaction, Lee Becker directly holds 2,267 shares of MIAX common stock. This total matches the number of vested restricted stock units granted, and the Form 4 does not show any additional derivative positions or other equity holdings.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/17/2026 - 04:35 PM EDT 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

X

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^*

Becker Lee

(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	2,267	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.

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)