As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

  5/9/24  Spiegel Marilyn G                 4          Director²   1:5K   Six Flags Entertainment Corp.     Six Flags Entertai… Corp 
  5/9/24  Bracey Esi Eggleston              4          Director²   1:5K   Six Flags Entertainment Corp.     Six Flags Entertai… Corp 
  5/9/24  Ramirez Enrique                   4          Director²   1:4K   Six Flags Entertainment Corp.     Six Flags Entertai… Corp 
  5/9/24  Six Flags Entertainment Corp.     10-Q        3/31/24   59:5.2M                                                            
  5/9/24  Huang Chieh E.                    4          Director²   1:4K   Six Flags Entertainment Corp.     Six Flags Entertai… Corp 
  5/9/24  Baldanza B Ben                    4          Director²   1:4K   Six Flags Entertainment Corp.     Six Flags Entertai… Corp 
  5/9/24  Six Flags Entertainment Corp.     8-K:2,9      5/9/24   11:436K                                                            
  5/2/24  Six Flags Entertainment Corp.     8-K:1,2,7,9  5/2/24   12:1.5M                                   Donnelley … Solutions/FA 
 4/29/24  Six Flags Entertainment Corp.     10-K/A     12/31/23   14:1.2M                                   Donnelley … Solutions/FA 
 4/16/24  CopperSteel HoldCo, Inc.          425                    1:354K Six Flags Entertainment Corp.     Donnelley … Solutions/FA 
 4/16/24  Six Flags Entertainment Corp.     8-K:7,9     4/16/24   11:179K                                   Donnelley … Solutions/FA 
 4/16/24  Six Flags Entertainment Corp.     425                    1:354K Six Flags Entertainment Corp.     Donnelley … Solutions/FA 
 4/16/24  Six Flags Entertainment Corp.     8-K:8,9     4/16/24   11:513K                                   Donnelley … Solutions/FA 
 3/12/24  CopperSteel HoldCo, Inc.          425                    1:26K  Six Flags Entertainment Corp.     Donnelley … Solutions/FA 
 3/12/24  Six Flags Entertainment Corp.     425                    1:26K  Six Flags Entertainment Corp.     Donnelley … Solutions/FA 
 3/12/24  Six Flags Entertainment Corp.     8-K:5       3/12/24   10:146K                                   Donnelley … Solutions/FA 
  3/4/24  CopperSteel HoldCo, Inc.          425                    1:119K Six Flags Entertainment Corp.     Donnelley … Solutions/FA 
  3/4/24  Six Flags Entertainment Corp.     425                    1:119K Six Flags Entertainment Corp.     Donnelley … Solutions/FA 
  3/4/24  Six Flags Entertainment Corp.     8-K:8        3/4/24   10:286K                                   Donnelley … Solutions/FA 
  3/4/24  Six Flags Entertainment Corp.     DEFA14A                1:124K                                   Donnelley … Solutions/FA 

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¹	Filing/Form Types:
	4	Statement of Changes in Beneficial Ownership of Securities by an Insider — Form 4 { The Filer is an Insider² of the Issuer }.
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	10-K	Annual Report — Form 10-K.
	10-Q	Quarterly Report — Form 10-Q.
	425	Prospectus or Communication – Merger.
	DEFA14A	Definitive Additional Proxy Soliciting Material — Schedule 14A.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.