Richard M. Haddrill - 06 Nov 2026 Form 4 Insider Report for Six Flags Entertainment Corporation/NEW (FUN)

Reporting relationship: Executive Chair, Director
Issuer ticker: FUN
Reported as of: 06 Nov 2026
Net transaction value: +$90,720
SEC form: 4
Accepted by SEC: 10 Nov 2026, 16:42:12 UTC
Prior SEC filing: 14 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Richard M. Haddrill

Filing notes and source

Key filing fact

Richard M. Haddrill filed Form 4 for Six Flags Entertainment Corporation/NEW (FUN) on 10 Nov 2026.

Key facts

This page summarizes Richard M. Haddrill's Form 4 filing for Six Flags Entertainment Corporation/NEW (FUN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 10 Nov 2026, 16:42.

Change

Previous filing in this sequence was filed on 14 May 2026.
Current net transaction value: +$90,720.

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 0001201647 Primary reporting owner

HADDRILL RICHARD M

Relationship: Executive Chair, Director
Address: 1000 BALLPARK WAY, SUITE 400, ARLINGTON
Signature: /s/ Richard M. Haddrill
Signature date: 10 Nov 2026

Reported non-derivative transactions

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

FUN transaction

Common Stock, par value $0.01 per share

Purchase

Transaction value: $90,720
Shares: +9,000
Change %: +3.9%
Price: $10.08
Shares after: 239,117
Date: 06 Nov 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.07 to $10.09, inclusive. The reporting person undertakes to provide Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.