Huntington Ingalls director gets 20.419 SUAs

Huntington Ingalls Industries director Leo P. Denault reported an acquisition of 20.419 director stock units (SUAs) tied to Company common stock as a grant under the Long-Term Incentive Stock Plans.

Rhea-AI Filing Summary

Huntington Ingalls Industries director Leo P. Denault reported an acquisition of 20.419 director stock units (SUAs) tied to Company common stock as a grant under the Long-Term Incentive Stock Plans. Each SUA represents a right to receive one share, bringing his directly held SUAs to 4,424.763.

These additional SUAs reflect dividend equivalents credited after the Company’s quarterly cash dividend, calculated by dividing the aggregate dividend on existing SUAs by the closing share price on the dividend payment date.

Insider Trade Summary

Grant/Award: 20.419 shares

Grant/Award 1 txn

Insider DENAULT LEO P

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock (SUA)	20.419	$0.00	$0.00

Holdings After Transaction: Common Stock (SUA) — 4,424.763 shares (Direct)

Footnotes (1)

1. F1. Pursuant to the Huntington Ingalls Industries, Inc. 2012 and 2022 Long-Term Incentive Stock Plan (together, the "LTISPs"), dividend equivalents are credited on each director stock unit ("SUA") held by the Reporting Person following the payment of the Company's quarterly cash dividend. Each SUA represents a right to receive one share of Company common stock, which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors. The number of dividend equivalents acquired by the Reporting Person under the LTISPs is calculated by dividing the aggregate amount of the dividend paid on the total number of SUAs held by the Reporting Person by the closing price of a share of Company common stock on the dividend payment date.

Key Figures

SUAs granted: 20.419 SUAs Holdings after transaction: 4,424.763 SUAs Grant price per SUA: $0.0000 per SUA +1 more

4 metrics

SUAs granted 20.419 SUAs Director stock units acquired on 2026-06-12 as a grant/award

Holdings after transaction 4,424.763 SUAs Total directly held SUAs by Leo P. Denault following the award

Grant price per SUA $0.0000 per SUA Awarded under Long-Term Incentive Stock Plans with no cash price

Transaction code Code A (Grant, award, or other acquisition) Non-derivative acquisition of SUAs reported on Form 4

Key Terms

director stock unit ("SUA"), dividend equivalents, Long-Term Incentive Stock Plan, quarterly cash dividend

4 terms

director stock unit ("SUA") financial

"dividend equivalents are credited on each director stock unit ("SUA") held by the Reporting Person"

dividend equivalents financial

"dividend equivalents are credited on each director stock unit ("SUA") held by the Reporting Person"

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

Long-Term Incentive Stock Plan financial

"Pursuant to the Huntington Ingalls Industries, Inc. 2012 and 2022 Long-Term Incentive Stock Plan"

A long-term incentive stock plan is a company program that pays key employees and executives with company shares or stock-based awards that become theirs only after meeting performance goals or staying with the company for several years. Think of it as a delayed bonus paid in stock that ties pay to future results; investors watch these plans because they influence executive behavior, can dilute existing shares, and affect reported costs and long-term shareholder value.

quarterly cash dividend financial

"following the payment of the Company's quarterly cash dividend"

A quarterly cash dividend is a payment made by a company to its shareholders four times a year, usually based on its profits. It is like a regular bonus or reward for owning the company's stock, providing shareholders with income. Many investors see these payments as a sign of the company's stability and its ability to generate consistent profits.

FAQ

What did Huntington Ingalls (HII) director Leo P. Denault report on this Form 4?

Leo P. Denault reported receiving 20.419 director stock units (SUAs) linked to Huntington Ingalls common stock. The award arises under the company’s Long-Term Incentive Stock Plans and increases his directly held SUAs to 4,424.763 following the transaction.

What is a director stock unit (SUA) at Huntington Ingalls (HII)?

Each SUA represents a right to receive one share of Huntington Ingalls common stock. SUAs generally become payable within 30 days after a non-employee director stops serving on the board, aligning director compensation with long-term shareholder interests over their board tenure.

How many SUAs does Leo P. Denault hold after this award at Huntington Ingalls (HII)?

After the reported grant, Leo P. Denault directly holds 4,424.763 SUAs. These units are tied to Huntington Ingalls common stock and will generally be settled in shares after he ceases providing services as a non-employee member of the company’s board of directors.

How are dividend equivalents on SUAs calculated at Huntington Ingalls (HII)?

Dividend equivalents are credited on each SUA after Huntington Ingalls pays its quarterly cash dividend. The amount is calculated by dividing the total dividend paid on all SUAs held by the closing common stock price on the dividend payment date, yielding additional SUAs.

Which incentive plans govern the SUAs reported by Huntington Ingalls (HII) director Leo P. Denault?

The SUAs are granted under Huntington Ingalls Industries, Inc. 2012 and 2022 Long-Term Incentive Stock Plans. These plans provide for director stock units and dividend equivalents, with SUAs generally payable in common shares after a non-employee director leaves the board.

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Accepted by SEC EDGAR 06/15/2026 - 04:20 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DENAULT LEO P

(Last) (First) (Middle)

4101 WASHINGTON AVENUE

(Street)

NEWPORT NEWS VIRGINIA 23607

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
HUNTINGTON INGALLS INDUSTRIES, INC. [ HII ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock (SUA)	06/12/2026		A		20.419(1)	A	$0	4,424.763	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Pursuant to the Huntington Ingalls Industries, Inc. 2012 and 2022 Long-Term Incentive Stock Plan (together, the "LTISPs"), dividend equivalents are credited on each director stock unit ("SUA") held by the Reporting Person following the payment of the Company's quarterly cash dividend. Each SUA represents a right to receive one share of Company common stock, which will generally become payable within 30 days following the date a non-employee director ceases to provide services as a member of the board of directors. The number of dividend equivalents acquired by the Reporting Person under the LTISPs is calculated by dividing the aggregate amount of the dividend paid on the total number of SUAs held by the Reporting Person by the closing price of a share of Company common stock on the dividend payment date.

Remarks:

	/s/ Tiffany M. King, Attorney-in-Fact	06/15/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)