Christopher D. Kastner - 21 Nov 2025 Form 4/A - Amendment Insider Report for HUNTINGTON INGALLS INDUSTRIES, INC. (HII)

Role: Director, President & CEO, Director
Signature: /s/ Tiffany M. King, Attorney-in-Fact
Issuer symbol: HII
Transactions as of: 21 Nov 2025
Net transactions value: $0
Form type: 4/A - Amendment
Filing time: 04 Dec 2025, 16:51:30 UTC
Date Of Original Report: 24 Nov 2025
Previous filing: 13 Nov 2025
Next filing: 15 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Kastner Christopher D	Director, President & CEO, Director	4101 WASHINGTON AVENUE, NEWPORT NEWS	/s/ Tiffany M. King, Attorney-in-Fact	04 Dec 2025	0001569904

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HII	Common Stock	Gift	$0	-660	-0.97%	$0.000000	67,479	21 Nov 2025	Held in the Kastner Family Trust	F1
holding	HII	Common Stock						2,264	21 Nov 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	On November 24, 2025, the Form 4 filing for the reporting person incorrectly reported the nature of the transaction and the related direct and indirect holdings of common stock. As of November 21, 2025, the reporting person owned 2,263.818 shares of common stock and, following the reported transaction, 67,479.087 shares in the reporting person's family trust.