HII director granted 174 deferred stock units

Huntington Ingalls Industries director Thomas C. Schievelbein reported a compensation-related stock award.

Rhea-AI Filing Summary

Huntington Ingalls Industries director Thomas C. Schievelbein reported a compensation-related stock award. He acquired 174.0000 shares of Common Stock (SUA) at a reference price of $278.9700 per share, granted under the Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan in an exempt transaction pursuant to Rule 16b-3.

These shares were deferred into a stock unit account rather than acquired in an open-market purchase. Following this grant, his directly held balance for this award line increased to 23,345.9420 stock units, and a separate holding line shows 7,967.3650 shares of common stock held directly.

Insider Trade Summary

Grant/Award: 174 shares

Grant/Award 2 txns

Insider SCHIEVELBEIN THOMAS C

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock (SUA)	174	$278.97	$49K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock (SUA) — 23,345.942 shares (Direct); Common Stock — 7,967.365 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Stock award size: 174.0000 shares Grant reference price: $278.9700 per share Post-award SUA units: 23,345.9420 units +1 more

4 metrics

Stock award size 174.0000 shares Common Stock (SUA) grant to director

Grant reference price $278.9700 per share Common Stock (SUA) award valuation

Post-award SUA units 23,345.9420 units Stock unit account balance after grant

Direct common shares 7,967.3650 shares Separate common stock holding line

Key Terms

Rule 16b-3, 2022 Long-Term Incentive Stock Plan, stock unit account, Common Stock (SUA)

4 terms

Rule 16b-3 regulatory

"in an exempt transaction pursuant to Rule 16b-3."

Rule 16b-3 is a Securities and Exchange Commission regulation that exempts certain routine, pre-approved transactions by company insiders from automatic liability for short-term trading profits. It acts like a safe harbor: if an insider follows a formal plan or the board approves specific transactions in advance, profits from buying and selling company stock within six months are not automatically reclaimed. Investors care because the rule clarifies when insider trades are permissible and reduces uncertainty about potential clawbacks.

2022 Long-Term Incentive Stock Plan financial

"pursuant to Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan"

stock unit account financial

"Shares of common stock deferred into stock unit account"

Common Stock (SUA) financial

"security_title: "Common Stock (SUA)""

FAQ

What insider transaction did HII director Thomas C. Schievelbein report?

Thomas C. Schievelbein reported receiving a grant of 174.0000 shares of Common Stock (SUA). The award was made under Huntington Ingalls Industries’ 2022 Long-Term Incentive Stock Plan as a compensation-related transaction exempt under Rule 16b-3, not as an open-market trade.

How many Huntington Ingalls (HII) shares were granted in this Form 4 filing?

The filing shows a grant of 174.0000 shares of Common Stock (SUA) at a reference price of $278.9700 per share. These shares were deferred into a stock unit account under the 2022 Long-Term Incentive Stock Plan as part of the director’s equity compensation.

Was the HII insider transaction an open-market buy or a stock award?

The transaction was a stock award, not an open-market buy. Code “A” designates a grant or award acquisition, and the footnote explains the shares were deferred into a stock unit account under the 2022 Long-Term Incentive Stock Plan, exempt under Rule 16b-3.

What does Common Stock (SUA) mean in the HII Form 4?

Common Stock (SUA) represents common shares deferred into a stock unit account. The filing notes that these stock units were issued under Huntington Ingalls Industries’ 2022 Long-Term Incentive Stock Plan and deferred rather than settled as immediately tradable common stock.

How many HII stock units and shares does Thomas C. Schievelbein hold after this grant?

After this grant, the Form 4 shows 23,345.9420 stock units for the Common Stock (SUA) line and 7,967.3650 shares for a separate common stock holding line. Both positions are reported as directly owned by Thomas C. Schievelbein.

Under which plan was the HII director stock grant reported, and what rule applies?

The stock grant was reported under the Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan. The footnote states it occurred in an exempt transaction pursuant to Rule 16b-3, which governs certain insider compensation-related equity awards.

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Accepted by SEC EDGAR 07/02/2026 - 04:16 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^*

SCHIEVELBEIN THOMAS C

(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)
07/01/2026

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)	07/01/2026		A		174(1)	A	$278.97	23,345.942	D
Common Stock								7,967.365	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	07/02/2026
	** 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)