Six Flags (FUN) director tied to 4.65M shares via H Partners

Rhea-AI Filing Summary

Six Flags Entertainment Corporation/NEW director Rehan Jaffer has filed an initial Form 3 reporting indirect ownership of 4,650,000 shares of common stock. The shares are directly owned by funds managed by H Partners Management, LLC, where Jaffer is Founder and Managing Member.

The filing states that, through this role at H Partners Management, Jaffer may be deemed to share voting and dispositive power over these shares. He formally disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest in the managed funds.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider JAFFER REHAN

Role null

Type	Security	Shares	Price	Value
holding	Common Stock, par value $0.01 per share	--	--	--

Holdings After Transaction: Common Stock, par value $0.01 per share — 4,650,000 shares (Indirect, See Footnote)

Footnotes (1)

1. [object Object]

Key Figures

Indirectly held shares: 4,650,000 shares

1 metrics

Indirectly held shares 4,650,000 shares Common Stock, par value $0.01 per share, held via funds managed by H Partners Management, LLC

Key Terms

beneficial ownership, pecuniary interest, Section 16 of the Securities Exchange Act of 1934, voting and dispositive power, +1 more

5 terms

beneficial ownership financial

"Mr. Jaffer disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

"disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein"

Section 16 of the Securities Exchange Act of 1934 regulatory

"beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended"

A provision of federal securities law that requires company insiders—directors, officers and large shareholders—to publicly report their stock holdings and trades and to surrender any “short-swing” profits from purchases and sales within a six-month window. It acts like a rule that forces leaders to announce their trades and prevents quick buy-sell windfalls, giving investors transparency into insider activity and reducing opportunities for unfair gain.

voting and dispositive power financial

"may be deemed to have voting and dispositive power with respect to the shares of common stock"

H Partners Management, LLC financial

"Funds owned and managed by H Partners Management, LLC ("H Management") directly own the reported securities"

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

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. Date of Event Requiring Statement (Month/Day/Year)
05/26/2026

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

3a. Foreign Trading Symbol

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

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

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.01 per share	4,650,000	I(1)	See Footnote

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Funds owned and managed by H Partners Management, LLC ("H Management") directly own the reported securities. As a result, Rehan Jaffer, 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.

Remarks:

	/s/ Rehan Jaffer	05/27/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does Rehan Jaffer’s Form 3 for Six Flags (FUN) report?

The Form 3 reports indirect ownership of 4,650,000 Six Flags common shares. These shares are held by funds managed by H Partners Management, LLC, where Jaffer is Founder and Managing Member, and reflect his initial beneficial ownership position as a director.

How are the 4,650,000 Six Flags (FUN) shares held for Rehan Jaffer?

The 4,650,000 shares are directly owned by funds managed by H Partners Management, LLC. As Founder and Managing Member of H Partners Management, Jaffer may be deemed to have voting and dispositive power over those fund-held shares under securities rules.

Does Rehan Jaffer personally own all 4,650,000 Six Flags (FUN) shares?

The filing states Jaffer disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest. The shares belong to managed funds, and the disclosure reflects potential deemed ownership for regulatory purposes, not full personal ownership.

What is the role of H Partners Management, LLC in the Six Flags (FUN) Form 3?

H Partners Management, LLC is identified as the investment manager whose funds directly own the Six Flags shares. Because Jaffer leads H Partners Management, he may be deemed to share voting and dispositive power over the 4,650,000 common shares held by those funds.

Why does the Six Flags (FUN) Form 3 mention pecuniary interest and Section 16?

The filing explains Jaffer disclaims beneficial ownership except for his pecuniary interest in the funds. It also clarifies the report should not be viewed as an admission of beneficial ownership for Section 16 of the Securities Exchange Act or other legal purposes.