MGM Resorts: CEO and president William Hornbuckle exercised 127,534 shares

What happened

• William Hornbuckle, CEO and president and a director, exercised or converted derivatives into 127,534 shares (27,181 on Oct 2, 67,681 on Oct 2, and 32,672 on Oct 3, 2026) at an exercise/conversion price of $0.00.
• To satisfy tax withholding, 50,186 shares were disposed (10,696 on Oct 2, 26,633 on Oct 2, and 12,857 on Oct 3, 2026) at $30.48 per share for aggregate proceeds reported as $326,014, $811,774 and $391,881 respectively (total $1,529,669).

Key details

• Transaction dates and prices: Oct 2, 2026 and Oct 3, 2026; conversion price $0.00; tax withholding disposals at $30.48 per share.
• Net shares retained from these transactions: 127,534 acquired minus 50,186 withheld = 77,348 net shares added.
• Shares owned after the transaction: not stated in the filing.
• Relevant footnotes from the filing: F1 describes vesting of 88,185 performance share units (PSUs) granted Oct 2, 2023, which converted at 0.767495 shares per PSU (producing 67,681 shares); F2 reflects an adjustment for transfers to a revocable trust; F3/F4/F5 describe RSU and PSU grant and vesting terms.
• Filing date and period of report: filed Oct 6, 2026; period of report Oct 2, 2026.

Why it may matter

• The filing shows conversion of PSUs/RSUs and that some of the resulting shares were withheld to satisfy tax liabilities (a partial cashless exercise rather than an open-market purchase).
• A filing does not show why the insider traded or why the company acted.