MIAX director proposes sale of 35,000 shares

MIAX: A Form 144 filing states proposed sales of Common stock totaling 35,000 shares through J.P.

Rhea-AI Filing Summary

MIAX: A Form 144 filing states proposed sales of Common stock totaling 35,000 shares through J.P. Morgan Securities LLC on 05/15/2026 for NYSE-listed shares. The filing lists two vested RSA entries of 18,384 shares (03/10/2023) and 16,616 shares (03/10/2024).

Insights

Securities Counsel

Form 144 notes a proposed brokered sale of 35,000 shares.

The filing lists a broker-dealer, J.P. Morgan Securities LLC, and a proposed sale date of 05/15/2026. Form 144 is a notice of proposed public sale by affiliates or officers and does not itself effect a transfer.

Timing and final disposition depend on broker execution and any holding-period or volume-limit rules; cash-flow treatment is not stated in the excerpt.

Equity Markets Analyst

Transaction size is modest relative to typical floats; impact likely limited.

The filing shows 35,000 shares proposed and identifies two vested RSA lots of 18,384 and 16,616. These entries appear to be the source lots intended for sale.

Market impact will depend on execution method and company float; subsequent trade reports or a Form 4/Form 5 would show completed transactions.

Key Figures

Proposed sale: 35,000 shares Vested RSA lot 1: 18,384 shares Vested RSA lot 2: 16,616 shares +1 more

4 metrics

Proposed sale 35,000 shares listed with broker on <date>05/15/2026</date>

Vested RSA lot 1 18,384 shares vested on <date>03/10/2023</date>

Vested RSA lot 2 16,616 shares vested on <date>03/10/2024</date>

Broker-dealer J.P. Morgan Securities LLC address listed: 270 Park Avenue, New York, NY

Key Terms

Form 144, Vested RSA, Broker-dealer

3 terms

Form 144 regulatory

"Filer Information | Securities To Be Sold | 35,000"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Vested RSA financial

"Securities To Be Sold | Vested RSA | 03/10/2023"

Broker-dealer regulatory

"Common | J.P. Morgan Securities LLC 270 Park Avenue"

A broker-dealer is a licensed firm or individual that both executes trades on behalf of clients (acting as a broker) and buys or sells securities for its own account (acting as a dealer). Investors care because broker-dealers provide the plumbing of markets — they place orders, hold or move cash and securities, offer research or advice, and their stability and fees directly affect trade execution, costs, and the safety of client funds; think of them as a combined travel agent and taxi for your investments.

FAQ

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

What does MIAX's Form 144 disclose?

The Form 144 discloses a proposed sale of 35,000 shares via J.P. Morgan Securities LLC with a proposed sale date of 05/15/2026. It lists two vested RSA lots: 18,384 and 16,616 dated 03/10/2023 and 03/10/2024.

Does this Form 144 mean the shares have been sold for MIAX?

No. The Form 144 is a notice of a proposed public sale; it does not confirm completion. Actual sales, if executed, would appear in subsequent trade reports or insider filings that record completed transactions.

Who is handling the proposed sale in the MIAX filing?

The filing names J.P. Morgan Securities LLC at 270 Park Avenue as the broker-dealer listed to handle the proposed sale. The excerpt shows brokerage identification but does not detail execution method or proceeds treatment.

What securities are identified as the source of the sale?

The filing lists two vested restricted stock award (RSA) entries as the source: 18,384 shares vested on 03/10/2023 and 16,616 shares vested on 03/10/2024, totaling the proposed 35,000 shares.

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

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Accepted by SEC EDGAR 05/15/2026 - 04:29 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002080679
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Miami International Holdings, Inc.
SEC File Number	001-42805
Address of Issuer	7 Roszel Road, Suite 1A Princeton NEW JERSEY 08540
Phone	609-897-7300
Name of Person for Whose Account the Securities are To Be Sold	Lance Emmons
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	J.P. Morgan Securities LLC 270 Park Avenue - 10th Floor New York NY 10017	35000	1932350	94907086	05/15/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/10/2023	Vested RSA	Issuer			18384	03/10/2023	N/A
Common	03/10/2024	Vested RSA	Issuer			16616	03/10/2024	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	05/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/17/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Lance Emmons
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)