<SEC-DOCUMENT>0001193125-23-269527-index.html : 20231103
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<ACCEPTANCE-DATETIME>20231103102126
ACCESSION NUMBER:		0001193125-23-269527
CONFORMED SUBMISSION TYPE:	425
PUBLIC DOCUMENT COUNT:		20
FILED AS OF DATE:		20231102
DATE AS OF CHANGE:		20231103

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Six Flags Entertainment Corp
		CENTRAL INDEX KEY:			0000701374
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MISCELLANEOUS AMUSEMENT & RECREATION [7990]
		IRS NUMBER:				133995059
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13703
		FILM NUMBER:		231374804

	BUSINESS ADDRESS:	
		STREET 1:		1000 BALLPARK WAY SUITE 400
		CITY:			ARLINGTON
		STATE:			TX
		ZIP:			76011
		BUSINESS PHONE:		972 595-5000

	MAIL ADDRESS:	
		STREET 1:		1000 BALLPARK WAY SUITE 400
		CITY:			ARLINGTON
		STATE:			TX
		ZIP:			76011

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIX FLAGS, INC.
		DATE OF NAME CHANGE:	20070322

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIX FLAGS INC
		DATE OF NAME CHANGE:	20000714

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TIERCO GROUP INC/DE/
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CopperSteel HoldCo, Inc.
		CENTRAL INDEX KEY:			0001999001
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		425

	BUSINESS ADDRESS:	
		STREET 1:		1000 BALLPARK WAY, SUITE 400
		CITY:			ARLINGTON
		STATE:			TX
		ZIP:			76011
		BUSINESS PHONE:		972-595-5000

	MAIL ADDRESS:	
		STREET 1:		1000 BALLPARK WAY, SUITE 400
		CITY:			ARLINGTON
		STATE:			TX
		ZIP:			76011
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