Eric D. Chewning - Feb 26, 2025 Form 4 Insider Report for HUNTINGTON INGALLS INDUSTRIES, INC. (HII)

Role: Ex VP, Strategy & Development
Signature: /s/ Tiffany M. King, Attorney-in-Fact
Stock symbol: HII
Transactions as of: Feb 26, 2025
Transactions value $: -$18,341
Form type: 4
Date filed: 2/27/2025, 04:18 PM
Previous filing: Feb 25, 2025
Next filing: Mar 17, 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HII	Common Stock	Options Exercise	$0	+299		$0.00	299	Feb 26, 2025	Direct
transaction	HII	Common Stock	Tax liability	-$18.3K	-106	-35.4%	$173.19	193	Feb 26, 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	HII	Restricted Stock Rights	Options Exercise	$0	-299	-11.18%	$0.00	2.38K	Feb 26, 2025	Common Stock	299		Direct	F2

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

Explanation of Responses:

Id	Content
F1	Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 26, 2025.
F2	Each Restricted Stock Right ("RSR") represents a contingent right to receive an equivalent number of shares of Company common stock, or, at the discretion of the Company's Compensation Committee, cash or a combination of cash and Company common stock. The RSRs were granted under the 2022 Long-Term Incentive Stock Plan on 2/26/24 and vest ratably in three equal installments upon each of the first, second and third anniversaries of the grant date.

Content

Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 26, 2025.

Each Restricted Stock Right ("RSR") represents a contingent right to receive an equivalent number of shares of Company common stock, or, at the discretion of the Company's Compensation Committee, cash or a combination of cash and Company common stock. The RSRs were granted under the 2022 Long-Term Incentive Stock Plan on 2/26/24 and vest ratably in three equal installments upon each of the first, second and third anniversaries of the grant date.