Statement of Changes in Beneficial Ownership (4)

FORM 4

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

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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

1. Name and Address of Reporting Person * HORNBUCKLE WILLIAM	2. Issuer Name and Ticker or Trading Symbol MGM Resorts International [ MGM ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) CEO AND PRESIDENT
(Last)          (First)          (Middle) 3600 LAS VEGAS BLVD., S.	3. Date of Earliest Transaction (MM/DD/YYYY) 6/15/2021
(Street) LAS VEGAS, NV 89109 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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 $.01 Par Value ND								224748	D
Common Stock $.01 Par Value ND								107884	I	In trust

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 of Derivative Security: 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
Restricted Stock Units	(1)	6/15/2021		A		0.4746		11/14/2018	11/14/2021	Common Stock $.01 Par Value ND	0.4746	(2)	8018.6156	D
Restricted Stock Units	(3)	6/15/2021		A		1.2679		10/19/2019	10/19/2022	Common Stock $.01 Par Value ND	1.2679	(2)	21424.3163	D
Restricted Stock Units	(4)	6/15/2021		A		0.3698		2/21/2020 (5)	2/21/2023	Common Stock $.01 Par Value ND	0.3698	(2)	6247.7511	D
Restricted Stock Units	(4)	6/15/2021		A		0.8172		2/27/2021 (5)	2/27/2024	Common Stock $.01 Par Value ND	0.8172	(2)	13807.6599	D
Restricted Stock Units	(6)	6/15/2021		A		1.9982		4/1/2021	4/1/2024	Common Stock $.01 Par Value ND	1.9982	(2)	33763.9982	D
Restricted Stock Units	(7)	6/15/2021		A		17.1703		4/1/2022	4/1/2022	Common Stock $.01 Par Value ND	17.1703	(2)	290126.2694	D
Restricted Stock Units	(1)	6/15/2021		A		9.0425		8/18/2021	8/18/2024	Common Stock $.01 Par Value ND	9.0425	(2)	152791.8679	D

Explanation of Responses:
(1)	Restricted Stock Units ("RSUs") granted under the MGM Resorts International ("Company") Amended and Restated 2005 Omnibus Incentive Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. Any fractional shares are paid in cash upon settlement.
(2)	Dividend equivalent rights accrue with respect to these RSUs when and as dividends are paid on the Company's common stock and vest on the same dates and in the same relative proportions as the RSUs on which they accrue.
(3)	RSUs granted under the Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. The RSUs will vest in four equal annual installments commencing on the first anniversary of the grant date.
(4)	RSUs granted under the Plan. Each RSU represents the right to receive one share of Company common stock. Any fractional shares are paid in cash upon settlement.
(5)	The RSUs are fully vested. Delivery of shares is made in four equal annual installments commencing on the first anniversary of the grant date.
(6)	RSUs granted under the Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. The RSUs will vest in four equal annual installments commencing on the first anniversary of the grant date. The RSUs were granted on April 1, 2020 as part of the Reporting Person's 2020 annual equity award pursuant to the terms of his new employment agreement with the Company.
(7)	RSUs granted under the Plan. Each RSU represents the right to receive, following vesting, one share of Company common stock. The RSUs will cliff vest on the second anniversary of the grant date. If the Reporting Person's employment with the Company terminates as a result of a "Special No-Cause Termination" as defined in the Reporting Person's employment agreement then the RSUs will vest in full and become payable within 30 days from the date of his separation.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HORNBUCKLE WILLIAM 3600 LAS VEGAS BLVD., S. LAS VEGAS, NV 89109	X		CEO AND PRESIDENT

Signatures
/s/ Jessica Cunningham, Attorney-In-Fact		6/17/2021
**Signature of Reporting Person		Date