Massivemarkets

SEC Form 4

MGM RESORTS INTERNATIONAL (MGM) insider trading

In the 12 months to Oct 24, 2026, 2 MGM insiders reported open-market sales of $1.5M across 2 filings; one 10% owner bought $77.1M.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$1.5M
2 filings · 2 insiders
Open-market purchases
$77.1M
2 filings · IAC Inc., 10% owner

Who traded MGM, and when

  • Purchase
  • Sale

MGM daily close from Oct 24, 2025 to Oct 23, 2026, between $28.06 and $50.69, last $28.06. 2 sale and 2 purchase filings by 3 insiders, marked at their filing dates. IAC Inc., 10% owner: bought $77.1M across 2 filings, first filed Dec 9, 2025, last Mar 25, 2026. Keith A. Meister, Director: sold $1.3M across 1 filing, first filed Mar 9, 2026, last Mar 9, 2026. Daniel J. Taylor, Director: sold $256.6K across 1 filing, first filed May 26, 2026, last May 26, 2026.

Largest mark · tap a row for others

IAC Inc. · 10% owner

Purchase $39,884,552

1,098,748 shares at $36.30 avg

Filed Dec 9, 2025 · traded Dec 5

Close on filing date $35.89

MGM daily closelast $28.06

IAC Inc. · 10% owner

$77.1M bought

Keith A. Meister · Director

$1.3M sold

Daniel J. Taylor · Director

$256.6K sold
One row per insider; marks sit at the SEC filing date, sized by dollar value.

Has MGM RESORTS INTERNATIONAL's CEO sold stock?

No. William Hornbuckle (CEO) made no open-market sales filed as CEO in the last 12 months.

Open-market trades

4 filings in the last 12 months
InsiderRoleSoldBoughtFilingsPre-arranged (10b5-1)Last filed
IAC Inc.10% owner—$77.1M2—
Keith A. MeisterDirector$1.3M—1—
Daniel J. TaylorDirector$256.6K—1—
Other insider activity (not market trades) · 83 records
  • Option exercises44 records
  • Tax withholding39 records

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

Build this yourself

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Agent prompt

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for MGM every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.