# EDGAR Filing Document

**Accession Number:** 0001999001
**File Stem:** 0001999001-26-000072
**Filing Date:** 2026-5
**Character Count:** 5597
**Document Hash:** 6d53f2e98bf799728fe49507aa676a76
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001999001-26-000072.hdr.sgml**: 20260527

**ACCESSION NUMBER**: 0001999001-26-000072

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260526

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20260527

**DATE AS OF CHANGE**: 20260527

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Six Flags Entertainment Corporation/NEW
- **CENTRAL INDEX KEY:** 0001999001
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-AMUSEMENT & RECREATION SERVICES [7900]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42157
- **FILM NUMBER:** 261027591

**BUSINESS ADDRESS:**
- **STREET 1:** 8701 RED OAK BLVD.
- **CITY:** CHARLOTTE
- **STATE:** NC
- **ZIP:** 28217
- **BUSINESS PHONE:** (419) 626-0830

**MAIL ADDRESS:**
- **STREET 1:** 8701 RED OAK BLVD.
- **CITY:** CHARLOTTE
- **STATE:** NC
- **ZIP:** 28217

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CopperSteel HoldCo, Inc.
- **DATE OF NAME CHANGE:** 20231027

?xml version='1.0' encoding='ASCII'? fun-20260526

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-K** 

**CURRENT REPORT**

**Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934**

Date of Report (Date of earliest event reported): May 26, 2026

**SIX FLAGS ENTERTAINMENT CORPORATION** 

(Exact name of Registrant as specified in its charter)

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| | | |
|:---|:---|:---|
| **Delaware** | **001-42157** | **93-4097909** |
| (State or other jurisdiction<br>of incorporation) | (Commission File No.) | (I.R.S. Employer<br>Identification No.) |

---

**8701 Red Oak Blvd., Charlotte, North Carolina 28217** 

(Address of principal executive offices) (Zip Code)

 **(704) 414-4700** 

(Registrant's telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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| | | |
|:---|:---|:---|
| **Securities registered pursuant to Section 12(b) of the Act:** | **Securities registered pursuant to Section 12(b) of the Act:** | **Securities registered pursuant to Section 12(b) of the Act:** |
| **Title of each class** | **Trading Symbol(s)** | **Name of each exchange on which registered** |
| **Common Stock, par value $0.01 per share** | **FUN** | **New York Stock Exchange** |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐&nbsp;&nbsp;&nbsp;&nbsp;

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐&nbsp;&nbsp;&nbsp;&nbsp;

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**Item 5.07.&nbsp;&nbsp;&nbsp;&nbsp;Submission of Matters to a Vote of Security Holders.**

On May 26, 2026, Six Flags Entertainment Corporation (the "Company") held its annual meeting of stockholders (the "2026 Annual Meeting") virtually via live webcast to consider and vote upon three proposals submitted by the Board of Directors of the Company. The final voting results, which were certified by the inspector of election at the 2026 Annual Meeting, were as follows:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.To elect Richard Haddrill, Chieh Huang, and Marilyn Spiegel as Class II Directors of the Company for a three-year term expiring in 2029.

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| | | | |
|:---|:---|:---|:---|
| Nominee | For | Withhold | Broker Non-Votes |
| Richard Haddrill | 72,559,637 | 2,026,136 | 13,339,349 |
| Chieh Huang | 60,221,596 | 14,364,177 | 13,339,349 |
| Marilyn Spiegel | 71,349,419 | 3,236,354 | 13,339,349 |

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.To confirm the appointment of Deloitte & Touche LLP as the Company's independent registered public accounting firm for 2026.

For Against Abstain <br> 66,719,229 20,989,959 215,934

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.To approve, on an advisory basis, the compensation of the Company's named executive officers for 2025.

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| | | | |
|:---|:---|:---|:---|
| For | Against | Abstain | Broker Non-Votes |
| 68,543,867 | 5,726,910 | 314,996 | 13,339,349 |

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**SIGNATURES**

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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| | | | |
|:---|:---|:---|:---|
| | | | **SIX FLAGS ENTERTAINMENT CORPORATION** |
| | | | (Registrant) |
| Date: | May 27, 2026 | By: | /s/ John Reilly |
|  |  |  | John Reilly<br>President & Chief Executive Officer |

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