Six Flags Executive Chair reports 2,320 shares

Six Flags Entertainment Corporation/NEW filed an initial Form 3 for Executive Chair and director Richard M. Haddrill.

Accepted by SEC EDGAR 04/06/2026 - 06:11 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Six Flags Entertainment Corporation/NEW filed an initial Form 3 for Executive Chair and director Richard M. Haddrill. The filing shows he directly holds 2,320 shares of the company’s common stock, par value $0.01 per share. The entry is a holdings disclosure only, with no reported buy or sell transaction.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider HADDRILL RICHARD M

Role Executive Chair

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

Holdings: Common Stock, par value $0.01 per share — 2,320 shares (Direct)

Key Figures

Common shares held: 2,320 shares Par value per share: $0.01 per share

2 metrics

Common shares held 2,320 shares Directly owned common stock following the reported date

Par value per share $0.01 per share Common Stock, par value $0.01 per share

Key Terms

Common Stock, par value $0.01 per share, Executive Chair, beneficial ownership

3 terms

Common Stock, par value $0.01 per share financial

"security_title: Common Stock, par value $0.01 per share"

Executive Chair financial

"officer_title: Executive Chair"

An executive chair is the board chairperson who also takes an active, hands-on role in company management, typically working closely with the CEO and senior team to shape strategy and major decisions. For investors it matters because this blend of oversight and operational power can accelerate strategic moves and provide steady leadership—like a coach who also calls plays—but it can also concentrate authority and create governance or succession risks if too much depends on one person.

beneficial ownership financial

"initial statement of beneficial ownership context in Form 3"

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.

FAQ

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

What does Richard M. Haddrill’s Form 3 for FUN disclose?

The Form 3 reports that Executive Chair and director Richard M. Haddrill directly holds 2,320 shares of Six Flags Entertainment Corporation/NEW common stock, par value $0.01 per share. It is an initial beneficial ownership statement, not a trade report.

How many FUN shares does Richard Haddrill hold according to this filing?

According to the Form 3, Richard M. Haddrill directly holds 2,320 shares of Six Flags Entertainment Corporation/NEW common stock. This figure represents his reported beneficial ownership following the reported date and reflects a direct ownership position.

Does this FUN Form 3 show any recent insider buying or selling?

No, the Form 3 for Six Flags Entertainment Corporation/NEW does not show insider buying or selling. It records Haddrill’s existing holding of 2,320 common shares as an initial statement of beneficial ownership, with no transaction price or share movement listed.

What role does the reporting person hold at Six Flags (FUN)?

The reporting person on this Form 3, Richard M. Haddrill, is listed as both a director and an officer of Six Flags Entertainment Corporation/NEW, with the officer title “Executive Chair.” The filing links these corporate roles to his disclosed share ownership.

Is Haddrill’s 2,320-share FUN position direct or indirect ownership?

The Form 3 classifies Richard M. Haddrill’s 2,320-share position as direct ownership, indicated by the “D” ownership code and an empty nature-of-ownership description. No trusts, partnerships, or other indirect holding structures are referenced in the ownership entry.

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

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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^*

HADDRILL RICHARD M

(Last) (First) (Middle)

C/O SIX FLAGS ENTERTAINMENT CORPORATION

8701 RED OAK BLVD

(Street)

CHARLOTTE NORTH CAROLINA 28217

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/24/2026

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
X	Officer (give title below)		Other (specify below)
	Executive Chair

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	2,320	D

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:

Remarks:

	/s/ Richard M. Haddrill	04/06/2026
	** 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)