Brian C. Witherow - 23 Feb 2026 Form 4 Insider Report for Six Flags Entertainment Corporation/NEW (FUN)

Reporting relationship: Chief Financial Officer
Issuer ticker: FUN
Reported as of: 23 Feb 2026
Net transaction value: -$300,395
SEC form: 4
Accepted by SEC: 25 Feb 2026, 16:21:20 UTC
Prior SEC filing: 05 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ Brian C. Witherow

Key filing fact

Brian C. Witherow filed Form 4 for Six Flags Entertainment Corporation/NEW (FUN) on 25 Feb 2026.

Key facts

This page summarizes Brian C. Witherow's Form 4 filing for Six Flags Entertainment Corporation/NEW (FUN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 25 Feb 2026, 16:21.

Change

Previous filing in this sequence was filed on 05 Jun 2025.
Current net transaction value: -$300,395.

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 0001301638 Primary reporting owner

Witherow Brian C

Relationship: Chief Financial Officer
Address: 8701 RED OAK BLVD., CHARLOTTE
Signature: /s/ Brian C. Witherow
Signature date: 24 Feb 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

Tax liability

Transaction value: $300,395
Shares: -16,469
Change %: -5.2%
Price: $18.24
Shares after: 297,765
Date: 23 Feb 2026
Ownership: Direct
Footnotes: F1

FUN holding

Common Stock, par value $0.01 per share

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,399
Date: 23 Feb 2026
Ownership: By Spouse

^* 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

Shares withheld in payment of tax liability in connection with the vesting of a previously reported awards of restricted stock and restricted stock units, which vested February 23, 2026.