# EDGAR Filing Document

**Accession Number:** 0001999001
**File Stem:** 0001193125-26-149740
**Filing Date:** 2026-4
**Character Count:** 1265
**Document Hash:** 390d7c3926a273f924aaff7d103be20c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-149740.hdr.sgml**: 20260409

**ACCESSION NUMBER**: 0001193125-26-149740

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260409

**DATE AS OF CHANGE**: 20260409

**EFFECTIVENESS DATE**: 20260409

**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:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42157
- **FILM NUMBER:** 26852067

**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

### Attached PDF Documents

**Attachment 1:** `d11739dars.pdf`

_No text found in this document._