[Form 4] HUNTINGTON INGALLS INDUSTRIES, INC. Insider Trading Activity

Rhea-AI Filing Summary

Huntington Ingalls Industries, Inc. (HII) director Tracy B. McKibben reported a transaction dated 10/01/2025 in which shares of common stock were deferred into a stock unit account under the company's 2022 Long-Term Incentive Stock Plan. The filing states this was an exempt transaction under Rule 16b-3. The Form 4 shows a post-transaction beneficial ownership figure of 5,282.57 shares (reported as direct ownership) and lists a price of $286.01. The submission was signed by an attorney-in-fact on 10/02/2025.

Positive

• Transaction recorded as exempt under Rule 16b-3, indicating it is a plan-related deferral
• Share deferral into 2022 LTIP stock unit account documented for director Tracy B. McKibben

Negative

• None.

Insights

Corporate Governance Analyst

Director deferred shares into plan-aligned stock units on 10/01/2025.

The Form 4 discloses that director Tracy B. McKibben converted or deferred shares into a stock unit account under the 2022 Long-Term Incentive Stock Plan, an action recorded as an exempt transaction under Rule 16b-3. The filing lists a post-transaction beneficial ownership amount of 5,282.57 shares and a price of $286.01.

This is a routine director compensation/deferral disclosure rather than an open-market purchase or sale, and it documents compliance with Section 16 reporting requirements.

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

1. Name and Address of Reporting Person^*

McKibben Tracy B

(Last) (First) (Middle)

4101 WASHINGTON AVENUE

(Street)

NEWPORT NEWS VA 23607

(City) (State) (Zip)

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)

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2025

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

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

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

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)	10/01/2025		A		144(1)	A	$286.01	5,282.57	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. Shares of common stock deferred into stock unit account pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan in an exempt transaction pursuant to Rule 16b-3.

Remarks:

	/s/ Tiffany M. King, Attorney-in-Fact	10/02/2025
	** 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.

FAQ

What transaction did HII director Tracy B. McKibben report on Form 4?

The Form 4 reports that on 10/01/2025 shares of common stock were deferred into a stock unit account pursuant to the HII 2022 Long-Term Incentive Stock Plan.

How many shares are shown after the reported transaction for HII?

The filing shows a post-transaction beneficial ownership amount of 5,282.57 shares.

Was the transaction exempt or a market trade for HII Form 4?

The transaction is reported as an exempt transaction pursuant to Rule 16b-3.

What price is listed on the Form 4 for the HII transaction?

The Form 4 lists a price of $286.01 in the transaction line.

Who signed the Form 4 filing for HII and when?

The Form 4 was signed by Tiffany M. King, Attorney-in-Fact on 10/02/2025.