William Hornbuckle - 23 Feb 2026 Form 4 Insider Report for MGM Resorts International (MGM)

Reporting relationship: CEO AND PRESIDENT, Director
Issuer ticker: MGM
Reported as of: 23 Feb 2026
Net transaction value: -$123,776
SEC form: 4
Accepted by SEC: 25 Feb 2026, 17:45:51 UTC
Prior SEC filing: 07 Jan 2026
Next SEC filing: 09 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Jessica Cunningham, Attorney-In-Fact

Key filing fact

William Hornbuckle filed Form 4 for MGM Resorts International (MGM) on 25 Feb 2026.

Key facts

This page summarizes William Hornbuckle's Form 4 filing for MGM Resorts International (MGM).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 25 Feb 2026, 17:45.

Change

Previous filing in this sequence was filed on 07 Jan 2026.
Current net transaction value: -$123,776.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001183302 Primary reporting owner

HORNBUCKLE WILLIAM

Relationship: CEO AND PRESIDENT, Director
Address: 3600 LAS VEGAS BLVD., S., LAS VEGAS
Signature: /s/ Jessica Cunningham, Attorney-In-Fact
Signature date: 25 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MGM transaction

Common Stock $.01 Par Value ND

Options Exercise

Transaction value: $0
Shares: +6,683
Change %: +1.1%
Price: $0.000000
Shares after: 602,981
Date: 23 Feb 2026
Ownership: Direct

MGM transaction

Common Stock $.01 Par Value ND

Tax liability

Transaction value: $50,382
Shares: -1,471
Change %: -0.24%
Price: $34.25
Shares after: 601,510
Date: 23 Feb 2026
Ownership: Direct

MGM transaction

Common Stock $.01 Par Value ND

Options Exercise

Transaction value: $0
Shares: +5,657
Change %: +0.94%
Price: $0.000000
Shares after: 607,167
Date: 24 Feb 2026
Ownership: Direct

MGM transaction

Common Stock $.01 Par Value ND

Tax liability

Transaction value: $73,395
Shares: -2,094
Change %: -0.34%
Price: $35.05
Shares after: 605,073
Date: 24 Feb 2026
Ownership: Direct

MGM holding

Common Stock $.01 Par Value ND

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 172,781
Date: 23 Feb 2026
Ownership: In trust

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MGM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -6,683
Change %: -50%
Price: $0.000000
Shares after: 6,683
Date: 23 Feb 2026
Ownership: Direct
Underlying class: Common Stock $.01 Par Value ND
Underlying amount: 6,683
Exercise price
Footnotes: F1, F2

MGM transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -5,657
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 24 Feb 2026
Ownership: Direct
Underlying class: Common Stock $.01 Par Value ND
Underlying amount: 5,657
Exercise price
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Restricted Stock Units (RSUs) granted under the MGM Resorts International (Company) 2022 Omnibus Incentive Plan. Each RSU represents the right to receive one share of Company common stock. Any fractional shares are paid in cash upon settlement.

Footnote F2

The RSUs are fully vested. Delivery of shares is made in four equal annual installments commencing on the first anniversary of the grant date.

Footnote F3

RSUs granted under the MGM Resorts International Amended and Restated 2005 Omnibus Incentive Plan. Each RSU represents the right to receive one share of Common Stock.