HII (HII) CFO Thomas E. Stiehle sells 4,500 common shares in open-market trade

Rhea-AI Filing Summary

Huntington Ingalls Industries executive Thomas E. Stiehle, Executive VP and CFO, reported an open-market sale of company stock. On the transaction date, he sold 4,500 shares of HII common stock in an open-market sale at a weighted average price of $430.54 per share. The filing states that individual sale prices ranged from $430.45 to $430.97. After this transaction, he directly owned 24,953.622 shares of Huntington Ingalls Industries common stock.

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

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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).

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^*

Stiehle Thomas E.

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Ex. VP and CFO

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

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	03/06/2026		S		4,500	D	$430.54(1)	24,953.622	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. Represents the weighted average sale price of $430.54 rounded to the nearest hundredth. The highest price at which the shares were sold was $430.97 and the lowest price at which the shares were sold was $430.45. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote in this Form 4.

Remarks:

	/s/ Tiffany M. King, Attorney-in-Fact	03/09/2026
	** 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.

FAQ

What did HII executive Thomas E. Stiehle report in this Form 4?

Thomas E. Stiehle, Executive VP and CFO of HII, reported selling 4,500 shares of Huntington Ingalls Industries common stock. The transaction was an open-market sale and is disclosed as a routine insider trading report for regulatory transparency.

How many HII shares did Thomas E. Stiehle sell and at what price?

Thomas E. Stiehle sold 4,500 HII common shares in this transaction. The weighted average sale price was $430.54 per share, with individual trade prices ranging between $430.45 and $430.97 during the reported sales.

How many HII shares does Thomas E. Stiehle own after the sale?

After the reported sale, Thomas E. Stiehle directly owns 24,953.622 HII common shares. This post-transaction balance reflects his remaining direct equity stake as disclosed in the Form 4 insider trading report.

What type of insider transaction did HII CFO Thomas E. Stiehle execute?

The transaction reported by Thomas E. Stiehle was an open-market sale of HII common stock. It is coded as a sale (code “S”) and classified as a non-derivative transaction involving directly held shares of Huntington Ingalls Industries.

What price range is disclosed for Thomas E. Stiehle’s HII share sales?

The Form 4 notes a weighted average sale price of $430.54 per HII share. Individual trades occurred within a disclosed price range, with the lowest at $430.45 and the highest at $430.97 during the reported sales.

Does the Form 4 for HII provide details on each individual trade price?

The filing discloses a weighted average price and the full price range for the trades. It also states that detailed information on the number of shares sold at each separate price will be provided upon request to the issuer, any security holder, or SEC staff.