Richard A. Zimmerman - 05 Dec 2025 Form 4 Insider Report for Six Flags Entertainment Corporation/NEW (FUN)

Reporting relationship: President & CEO, Director
Issuer ticker: FUN
Reported as of: 05 Dec 2025
Net transaction value: -$3,750,964
SEC form: 4
Accepted by SEC: 09 Dec 2025, 16:18:05 UTC
Prior SEC filing: 05 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ Richard A. Zimmerman

Filing notes and source

Key filing fact

Richard A. Zimmerman filed Form 4 for Six Flags Entertainment Corporation/NEW (FUN) on 09 Dec 2025.

Key facts

This page summarizes Richard A. Zimmerman's Form 4 filing for Six Flags Entertainment Corporation/NEW (FUN).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 09 Dec 2025, 16:18.

Change

Previous filing in this sequence was filed on 05 Jun 2025.
Current net transaction value: -$3,750,964.

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 0001411422 Primary reporting owner

Zimmerman Richard

Relationship: President & CEO, Director
Address: 8701 RED OAK BLVD., CHARLOTTE
Signature: /s/ Richard A. Zimmerman
Signature date: 09 Dec 2025

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

Tax liability

Transaction value: $1,754,615
Shares: -114,531
Change %: -16%
Price: $15.32
Shares after: 602,697
Date: 05 Dec 2025
Ownership: Direct
Footnotes: F1

FUN transaction

Common Stock, par value $0.01 per share

Award

Transaction value: $0
Shares: +298,190
Change %: +49%
Price: $0.000000
Shares after: 900,887
Date: 05 Dec 2025
Ownership: Direct
Footnotes: F2

FUN transaction

Common Stock, par value $0.01 per share

Tax liability

Transaction value: $1,996,349
Shares: -130,310
Change %: -14%
Price: $15.32
Shares after: 770,577
Date: 05 Dec 2025
Ownership: Direct
Footnotes: F3

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

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Richard A. Zimmerman is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 3 footnotes

Footnote F1

Represents shares withheld in payment of tax liability resulting from the accelerated vesting of previously reported restricted stock awards and restricted stock units, in connection with the reporting person's departure from Six Flags Entertainment Corporation (the "Company").

Footnote F2

Shares earned upon accelerated vesting and settlement of previously unreported Performance Stock Units ("PSUs"), in connection with the reporting person's departure from the Company.

Footnote F3

Represents shares withheld for payment of tax liability resulting from the accelerated vesting and settlement of the PSUs described in footnote 2 above.