Six Flags: H Partners funds buy 700,000 shares

The funds directly own the shares; Jaffer may be deemed to have voting and dispositive power but disclaims beneficial ownership except for his pecuniary interest.

Available on EDGAR 11/10/2026 - 05:44 PM EST Accepted by SEC EDGAR 11/10/2026 - 05:43 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Six Flags director Rehan Jaffer reported purchases by funds owned and managed by H Partners Management, LLC, which directly own the shares. The funds bought 700,000 shares on November 6, 2026, at a $10.00 weighted-average price (transactions ranged from $10.00 to $10.76); 350,000 shares on November 9 at $10.86 ($10.69 to $11.00); and 400,000 shares on November 10 at $10.32 ($9.55 to $10.35). Jaffer disclaimed beneficial ownership except to the extent of his pecuniary interest. No Rule 10b5-1 plan was reported.

Insider Trade Summary

Net Buyer: 1,450,000 shares

Net Buy 3 txns

Insider JAFFER REHAN

Role Director

Bought 1,450,000 shs ($14.93M)

Increase in Position 29.6%

Type	Security	Shares	Price	Value
Purchase	Common Stock, par value $0.01 per share F4, F2	400,000	$10.32	$4.13M
Purchase	Common Stock, par value $0.01 per share F3, F2	350,000	$10.86	$3.80M
Purchase	Common Stock, par value $0.01 per share F1, F2	700,000	$10.00	$7.00M

Holdings After Transaction: Common Stock, par value $0.01 per share — 6,350,000 shares (Indirect, See Footnote)

Holdings Before and After: Common Stock, par value $0.01 per share, 4,900,000 to 6,350,000 shares (Indirect, See Footnote)

Other Insiders: 2 other insiders reported open-market purchases of this stock in the 30 days up to this filing.

Footnotes (4)

1. F1. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $9.55 to $10.35, inclusive. The reporting person undertakes to provide Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
2. F2. Funds owned and managed by H Partners Management, LLC ("H Management") directly own the reported securities. As a result, the Reporting Person, as Founder and Managing Member of H Management, may be deemed to have voting and dispositive power with respect to the shares of common stock held by the managed funds. Mr. Jaffer disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that such reporting person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
3. F3. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.69 to $11.00, inclusive. The reporting person undertakes to provide Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
4. F4. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.00 to $10.76, inclusive. The reporting person undertakes to provide Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

Key Figures

Shares purchased: 700,000 shares Weighted-average purchase price: $10.00 per share Shares purchased: 350,000 shares +3 more

6 metrics

Shares purchased 700,000 shares November 6, 2026

Weighted-average purchase price $10.00 per share November 6, 2026; transactions ranged from $10.00 to $10.76

Shares purchased 350,000 shares November 9, 2026

Weighted-average purchase price $10.86 per share November 9, 2026; transactions ranged from $10.69 to $11.00

Shares purchased 400,000 shares November 10, 2026

Weighted-average purchase price $10.32 per share November 10, 2026; transactions ranged from $9.55 to $10.35

Key Terms

weighted average price, dispositive power, pecuniary interest

3 terms

weighted average price financial

"The price reported in column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

dispositive power regulatory

"may be deemed to have voting and dispositive power"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

pecuniary interest regulatory

"except to the extent of his pecuniary interest therein"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares did a FUN director buy, and at what prices?

Funds owned and managed by H Partners Management, LLC bought 700,000 shares on November 6, 2026, at a $10.00 weighted-average price, 350,000 on November 9 at $10.86, and 400,000 on November 10 at $10.32. The respective transaction ranges were $10.00 to $10.76, $10.69 to $11.00, and $9.55 to $10.35.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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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

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^*

JAFFER REHAN

(Last) (First) (Middle)

C/O H PARTNERS MANAGEMENT LLC

888 SEVENTH AVENUE, 29TH FLOOR

(Street)

NEW YORK NEW YORK 10019

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/06/2026

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

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

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

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	11/06/2026		P		700,000	A	$10(1)	5,600,000	I(2)	See Footnote
Common Stock, par value $0.01 per share	11/09/2026		P		350,000	A	$10.86(3)	5,950,000	I(2)	See Footnote
Common Stock, par value $0.01 per share	11/10/2026		P		400,000	A	$10.32(4)	6,350,000	I(2)	See Footnote

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. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $9.55 to $10.35, inclusive. The reporting person undertakes to provide Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

2. Funds owned and managed by H Partners Management, LLC ("H Management") directly own the reported securities. As a result, the Reporting Person, as Founder and Managing Member of H Management, may be deemed to have voting and dispositive power with respect to the shares of common stock held by the managed funds. Mr. Jaffer disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that such reporting person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

3. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.69 to $11.00, inclusive. The reporting person undertakes to provide Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

4. The price reported in column 4 is a weighted average price. These shares were purchased in multiple transactions ranging from $10.00 to $10.76, inclusive. The reporting person undertakes to provide Issuer, any security holder of Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

Remarks:

	/s/ Rehan Jaffer	11/10/2026
	** 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.
* Form 4: SEC 1474 (03-26)