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

  5/6/24  Huntington Ingalls Inds, Inc.     S-8          5/6/24   10:327K                                   Donnelley … Solutions/FA 
  5/2/24  Huntington Ingalls Inds, Inc.     8-K:5        5/1/24   10:190K                                                            
  5/2/24  Huntington Ingalls Inds, Inc.     10-Q        3/31/24   63:5.8M                                                            
  5/2/24  Huntington Ingalls Inds, Inc.     8-K:2,9      5/2/24   12:3.5M                                                            
  4/3/24  Welch John K                      4          Director²   1:5K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
  4/3/24  Schievelbein Thomas C             4          Director²   1:5K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
  4/3/24  O’Sullivan Stephanie L.           4          Director²   1:5K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
  4/3/24  McKibben Tracy B                  4          Director²   1:5K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
  4/3/24  Kelly Anastasi D                  4          Director²   1:6K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
  4/3/24  Jimenez Frank R                   4          Director²   1:5K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
  4/3/24  Harker Victoria D                 4          Director²   1:6K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
  4/3/24  Faller Craig S.                   4          Director²   1:5K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
  4/3/24  Donald Kirkland H                 4          Director²   1:5K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
  4/2/24  Denault Leo P                     4          Director²   1:6K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
  4/2/24  Collins Augustus L                4          Director²   1:6K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 
 3/21/24‡ Chevedden John                    PX14A6G     3/21/24    1:89K  Huntington Ingalls Inds, Inc.     Securex Filings/FA       
 3/19/24  Huntington Ingalls Inds, Inc.     ARS        12/31/23    1:8.9M                                   Donnelley … Solutions/FA 
 3/19/24  Huntington Ingalls Inds, Inc.     DEFA14A                1:639K                                   Donnelley … Solutions/FA 
 3/19/24  Huntington Ingalls Inds, Inc.     DEF 14A      5/1/24   11:10M                                    Donnelley … Solutions/FA 
 3/14/24  Green Edgar A III                 4          Officer²    1:6K   Huntington Ingalls Inds, Inc.     Donnelley … Solutions/FA 

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‡	A non-Insider-Ownership Filing that was accepted after the SEC “closed” at 5:30:00pm ET.  The legal “Filed As Of” date may be the next, or another, day.
¹	Filing/Form Types:  -K
	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-Q	Quarterly Report — Form 10-Q.
	ARS	Annual Report to Security Holders.
	DEF 14A	Definitive Proxy Statement — Schedule 14A.
	DEFA14A	Definitive Additional Proxy Soliciting Material — Schedule 14A.
	PX14A6G	Notice of an Exempt Non-Management Proxy Solicitation.
	S-8	Registration Statement – Securities for an Employee Benefit Plan — Form S-8.
²	Insider:  The Filer is a Director, Officer, 10% Owner and/or Other “insider” of the Issuer.