Jennifer R. Boykin - Feb 28, 2023 Form 4 Insider Report for HUNTINGTON INGALLS INDUSTRIES, INC. (HII)

Role: Ex VP, President NNS
Signature: /s/ Kathy S. Owen, Attorney-in-Fact for Jennifer R. Boykin
Stock symbol: HII
Transactions as of: Feb 28, 2023
Transactions value $: $759,010
Form type: 4
Date filed: 3/2/2023, 06:22 PM
Previous filing: Sep 5, 2023
Next filing: Mar 14, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HII	Common Stock	Award	$1.36M	+6.3K	+84.56%	$215.20	13.7K	Feb 28, 2023	Direct	F1
transaction	HII	Common Stock	Tax liability	-$596K	-2.77K	-20.15%	$215.20	11K	Feb 28, 2023	Direct	F2
holding	HII	Common Stock						3.72K	Feb 28, 2023	By 401(k) plan

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
holding	HII	SEP Unit						6.28K	Feb 28, 2023	Common Stock	1.47K		Direct	F3

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

Explanation of Responses:

Id	Content
F1	The Huntington Ingalls Industries, Inc. Compensation Committee determined that all performance goals had been met for these restricted stock units, and they were issued on February 28, 2023.
F2	Shares withheld by the issuer for the payment of withholding taxes on restricted stock that vested on February 28, 2023.
F3	The reporting person's interest in the HII Stock Fund of the Huntington Ingalls Industries, Inc. Savings Excess Plan (the "Plan") is held in the form of units of interest. The Plan's administrator calculates the number of shares of issuer common stock represented by units in the HII Stock Fund.