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

 6/24/22  Huntington Ingalls Inds, Inc.     11-K       12/31/21    2:120K                                                            
 6/24/22  Huntington Ingalls Inds, Inc.     11-K       12/31/21    2:279K                                                            
 6/24/22  Huntington Ingalls Inds, Inc.     11-K       12/31/21    2:271K                                                            
 5/31/22  Huntington Ingalls Inds, Inc.     SD         12/31/21    2:257K                                   Donnelley … Solutions/FA 
 2/10/22  Huntington Ingalls Inds, Inc.     10-K       12/31/21  124:15M                                                             
  1/4/22  Collins Augustus L                4          Director²   1:5K   Huntington Ingalls Inds, Inc.     DONNELLEY FIN… File16/FA 
  1/4/22  Bilden Philip M.                  4          Director²   1:5K   Huntington Ingalls Inds, Inc.     DONNELLEY FIN… File16/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 }.
	10-K	Annual Report — Form 10-K.
	11-K	Annual Report by an Employee Stock Purchase, Savings or Similar Plan — Form 11-K.
	SD	Specialized Disclosure Report re: the Use of Conflict Minerals — Form SD.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.