MGM (MGM) Rule 144 Notice — 242,000 Shares Planned Sale Sept. 11, 2025

Rhea-AI Filing Summary

MGM Resorts International (MGM) Form 144 notifies a proposed sale of 242,000 shares of common stock through Goldman Sachs & Co. LLC, with an aggregate market value of $8,699,900.00 and an approximate sale date of 09/11/2025. The filing reports 272,191,042 shares outstanding for the issuer. The shares to be sold were acquired on 06/05/2019 in open-market purchases and were paid for in cash.

The filing also discloses a related sale in the past three months: Corvex-E LP sold 60,000 shares on 06/13/2025 for gross proceeds of $1,925,574.53. The filer attests there is no undisclosed material adverse information and includes the standard Rule 144 representations and signature/attestation language.

Positive

• Full Rule 144 disclosure includes broker, number of shares, acquisition date, and payment method, meeting filing requirements
• Acquired shares were paid in cash and purchased in the open market on 06/05/2019, indicating standard transaction history

Negative

• Insufficient filer identification in the provided excerpt (CIK/CCC and contact fields not populated in the content)
• No additional context on the seller's identity or reasons for the proposed sale beyond procedural attestation

Insights

Securities Analyst

TL;DR: Rule 144 notice for a planned sale of 242,000 MGM shares, acquired in 2019, scheduled for Sept. 11, 2025; routine disclosure.

The filing is procedural and complies with Rule 144 disclosure requirements: it specifies the broker (Goldman Sachs), the number of shares, acquisition date and method (open-market purchase on 06/05/2019), and confirms payment in cash. The inclusion of a recent related sale by Corvex-E LP (60,000 shares on 06/13/2025) provides context on nearby insider/affiliate activity. No financial performance metrics or new corporate actions are disclosed.

Corporate Governance Expert

TL;DR: Governance filing contains standard attestation about absence of undisclosed material information; no governance changes reported.

The notice contains the required attestation that the seller does not possess undisclosed material adverse information and references Rule 10b5-1 trading plan language. There are no statements of management changes, waivers, or special arrangements. As a governance disclosure, it appears routine and non-material beyond documenting an intended equity disposition.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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 Stock, par value $0.01 per share	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	242000	8699900.00	272191042	09/11/2025	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 Stock, par value $0.01 per share	06/05/2019	Purchase of shares of Common Stock in the open market (2)	Purchases from counterparties in open market transactions			242000	06/05/2019	Cash

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Corvex-E LP c/o Corvex Capital Management LP 667 Madison Avenue New York NY 10065	Common Stock, par value $0.01 per share	06/13/2025	60000	1925574.53

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does MGM's Form 144 filed here report?

The filing reports a proposed sale of 242,000 MGM common shares via Goldman Sachs with aggregate market value $8,699,900.00 and an approximate sale date of 09/11/2025.

When and how were the shares being sold acquired?

The shares were acquired on 06/05/2019 through open-market purchases and the filing states payment was made in cash.

Were any related share sales disclosed recently?

Yes. The filing discloses that Corvex-E LP sold 60,000 MGM shares on 06/13/2025 for gross proceeds of $1,925,574.53.

Does the filing indicate undisclosed material information about MGM?

No. The signer represents they do not know any material adverse information not publicly disclosed, per the attestation included in the notice.

Which exchange and outstanding share count are stated in the filing?

The filing lists the exchange as the NYSE and reports 272,191,042 shares outstanding for the issuer.