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

Role: Chief Financial Officer
Signature: /s/ Brian C. Witherow
Issuer symbol: FUN
Transactions as of: 23 Feb 2026
Net transactions value: -$300,395
Form type: 4
Filing time: 25 Feb 2026, 16:21:20 UTC
Previous filing: 05 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Witherow Brian C	Chief Financial Officer	8701 RED OAK BLVD., CHARLOTTE	/s/ Brian C. Witherow	24 Feb 2026	0001301638

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FUN	Common Stock, par value $0.01 per share	Tax liability	$300,395	-16,469	-5.2%	$18.24	297,765	23 Feb 2026	Direct	F1
holding	FUN	Common Stock, par value $0.01 per share						2,399	23 Feb 2026	By Spouse

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.