Six Flags (FUN) legal chief uses 11,246 shares to cover tax bill

Rhea-AI Filing Summary

Six Flags Entertainment Corporation/NEW Chief Legal Officer Brian Nurse reported a tax-withholding share disposition. On February 23, 2026, 11,246 shares of common stock were withheld at $18.24 per share to cover tax liabilities tied to previously reported restricted stock and restricted stock units that vested that day. After this transaction, he directly owned 79,092 shares of common stock.

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

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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^*

Nurse Brian

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Legal Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/23/2026

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	02/23/2026		F		11,246(1)	D	$18.24	79,092	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 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.

Remarks:

	/s/ Brian Nurse	02/24/2026
	** 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 Six Flags (FUN) report for Brian Nurse?

Six Flags reported that Chief Legal Officer Brian Nurse had 11,246 shares of common stock withheld. The shares were used to satisfy tax liabilities arising from vested restricted stock and restricted stock units on February 23, 2026.

Was the Six Flags (FUN) insider transaction an open-market sale?

No, the transaction was a tax-withholding disposition, not an open-market sale. Shares were withheld to pay taxes related to the vesting of previously granted restricted stock and restricted stock units on February 23, 2026.

How many Six Flags (FUN) shares were used to cover taxes for Brian Nurse?

A total of 11,246 shares of Six Flags common stock were withheld. These shares were valued at $18.24 per share for the purpose of satisfying tax liabilities on vested equity awards.

What is Brian Nurse’s Six Flags (FUN) shareholding after this Form 4 transaction?

Following the tax-withholding disposition, Chief Legal Officer Brian Nurse directly owned 79,092 shares of Six Flags common stock. This figure reflects his holdings after 11,246 shares were withheld for tax purposes on February 23, 2026.

What caused the tax-withholding share disposition at Six Flags (FUN)?

The disposition arose from the vesting of previously reported restricted stock and restricted stock units. When these awards vested on February 23, 2026, 11,246 shares were withheld to cover associated tax liabilities for Brian Nurse.