Six Flags Entertainment (FUN) chair gains 261K shares, 111K withheld for taxes

Rhea-AI Filing Summary

Six Flags Entertainment Corporation/NEW insider activity: Executive Chairman and Director Selim Bassoul reported equity transactions dated 12/31/2025. He acquired 261,000 shares of common stock at $0.00 per share through accelerated vesting and settlement of previously unreported Performance Stock Units in connection with his departure from the company. To cover related tax liabilities, 110,955 shares were withheld at $15.34 per share. Following these transactions, he directly beneficially owned 537,223 shares of Six Flags common stock.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider BASSOUL SELIM A

Role Executive Chairman

Type	Security	Shares	Price	Value
Grant/Award	Common Stock, par value $0.01 per share	261,000	$0.00	--
Tax Withholding	Common Stock, par value $0.01 per share	110,955	$15.34	$1.70M

Holdings After Transaction: Common Stock, par value $0.01 per share — 648,178 shares (Direct)

Footnotes (1)

1. Shares earned upon accelerated vesting and settlement of previously unreported Performance Stock Units ("PSUs"), in connection with the reporting person's departure from Six Flags Entertainment Corporation (the "Company"). Represents shares withheld for payment of tax liability resulting from the accelerated vesting and settlement of the PSUs described in footnote 1 above.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

X

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BASSOUL SELIM A

(Last) (First) (Middle)

8701 RED OAK BLVD

(Street)

CHARLOTTE NC 28217

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Six Flags Entertainment Corporation/NEW [ FUN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Chairman

3. Date of Earliest Transaction (Month/Day/Year)
12/31/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.01 per share	12/31/2025		A		261,000(1)	A	$0	648,178	D
Common Stock, par value $0.01 per share	12/31/2025		F		110,955(2)	D	$15.34	537,223	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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

2. Represents shares withheld for payment of tax liability resulting from the accelerated vesting and settlement of the PSUs described in footnote 1 above.

Remarks:

	/s/ Selim Bassoul	01/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Selim Bassoul report at Six Flags Entertainment (FUN)?

Executive Chairman and Director Selim Bassoul reported that on 12/31/2025 he acquired 261,000 shares of Six Flags common stock at $0.00 per share through accelerated vesting and settlement of Performance Stock Units.

Why did Selim Bassoul receive 261,000 Six Flags (FUN) shares?

The 261,000 shares were earned upon the accelerated vesting and settlement of previously unreported Performance Stock Units in connection with his departure from Six Flags Entertainment Corporation.

How many Six Flags (FUN) shares were withheld for taxes from Selim Bassoul?

A total of 110,955 shares of Six Flags common stock were withheld at a price of $15.34 per share to pay the tax liability from the accelerated vesting and settlement of the Performance Stock Units.

How many Six Flags (FUN) shares does Selim Bassoul own after these transactions?

After the reported transactions, Selim Bassoul directly beneficially owned 537,223 shares of Six Flags Entertainment Corporation common stock.

What is Selim Bassoul’s role at Six Flags Entertainment (FUN) in this filing?

In this filing, Selim Bassoul is identified as a Director and Officer, serving as Executive Chairman of Six Flags Entertainment Corporation/NEW.

What type of securities are involved in Selim Bassoul’s Six Flags (FUN) Form 4?

The Form 4 reports transactions in common stock, par value $0.01 per share, including shares delivered from Performance Stock Units and shares withheld to cover taxes.