Edgar A. Green III - May 10, 2021 Form 4 Insider Report for HUNTINGTON INGALLS INDUSTRIES, INC. (HII)

Role: Ex VP, Pres. HII Technical Sol
Signature: Kathy S. Owen, Attorney-in-Fact for Edgar A. Green III
Stock symbol: HII
Transactions as of: May 10, 2021
Transactions value $: -$1,290,734
Form type: 4
Date filed: 5/12/2021, 05:09 PM
Next filing: Mar 3, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HII	Common Stock	Sale	-$1.29M	-5.78K	-50.5%	$223.47	5.66K	May 10, 2021	Direct
holding	HII	Common Stock						1.9K	May 10, 2021	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						8.41K	May 10, 2021	Common Stock	1.98K		Direct	F1

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

Explanation of Responses:

Id	Content
F1	The issuer's outside administrator for the issuer's Savings Excess Plan holds issuer stock in a pooled fund as a participant investment option. Participant contributions designated for investment in issuer common stock are accounted for as units of interest in the issuer stock fund. Each unit was valued at 49.9355 as of April 30, 2021. The unit value can fluctuate with fluctuations in the value of the issuer common stock and the daily cash position of the issuer stock fund. The number of shares of issuer stock attributable to the reporting person can be determined at any time by first multiplying the number of units in the reporting person's account by the then current unit price and dividing the total by the price of the issuer common stock. As of April 30, 2021, the reporting person held an equivalent of 1979.09 shares in the issuer Savings Excess Plan. The Savings Excess plan is a "Non-Qualified Plan" as defined in 16b-3(b)(2).

Content

The issuer's outside administrator for the issuer's Savings Excess Plan holds issuer stock in a pooled fund as a participant investment option. Participant contributions designated for investment in issuer common stock are accounted for as units of interest in the issuer stock fund. Each unit was valued at 49.9355 as of April 30, 2021. The unit value can fluctuate with fluctuations in the value of the issuer common stock and the daily cash position of the issuer stock fund. The number of shares of issuer stock attributable to the reporting person can be determined at any time by first multiplying the number of units in the reporting person's account by the then current unit price and dividing the total by the price of the issuer common stock. As of April 30, 2021, the reporting person held an equivalent of 1979.09 shares in the issuer Savings Excess Plan. The Savings Excess plan is a "Non-Qualified Plan" as defined in 16b-3(b)(2).