Massivemarkets

SEC Form 4

Six Flags Entertainment Corporation (FUN) insider trading

In the 12 months to Oct 23, 2026, 4 FUN insiders reported open-market purchases of $6.4M across 5 filings; no open-market sales were filed.

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

Open-market sales
$0
0 filings · 0 insiders
Open-market purchases
$6.4M
5 filings

Who traded FUN, and when

  • Purchase

FUN daily close from Oct 23, 2025 to Oct 23, 2026, between $6.77 and $26.74, last $6.77. 0 sale and 5 purchase filings by 4 insiders, marked at their filing dates. Rehan Jaffer, Director: bought $5.9M across 1 filing, first filed Jun 16, 2026, last Jun 16, 2026. John T. Reilly, President & CEO: bought $248.3K across 1 filing, first filed Aug 12, 2026, last Aug 12, 2026. Richard M. Haddrill, Executive Chair: bought $190.8K across 1 filing, first filed May 14, 2026, last May 14, 2026. Marilyn G. Spiegel, Director: bought $95.6K across 2 filings, first filed May 14, 2026, last May 26, 2026.

Largest mark · tap a row for others

Rehan Jaffer · Director

Purchase $5,887,675

250,000 shares at $23.55 avg

Filed Jun 16, 2026 · traded Jun 12

Close on filing date $24.45

FUN daily closelast $6.77

Rehan Jaffer · Director

$5.9M bought

John T. Reilly · President & CEO

$248.3K bought

Richard M. Haddrill · Executive Chair

$190.8K bought

Marilyn G. Spiegel · Director

$95.6K bought
One row per insider; marks sit at the SEC filing date, sized by dollar value.

Has the Six Flags Entertainment Corporation's CEO sold stock?

No. John T. Reilly and Richard Zimmerman (CEOs) made no open-market sales filed as CEO in the last 12 months.

Open-market trades

5 filings in the last 12 months
InsiderRoleSoldBoughtFilingsPre-arranged (10b5-1)Last filed
Rehan JafferDirector—$5.9M1—
John T. ReillyPresident & CEO—$248.3K1—
Richard M. HaddrillExecutive Chair—$190.8K1—
Marilyn G. SpiegelDirector—$95.6K2—
Other insider activity (not market trades) · 28 records
  • Option exercises2 records
  • Tax withholding9 records
  • Grants and awards15 records
  • Other2 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 FUN 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.