Christopher D. Kastner - 26 Feb 2026 Form 4 Insider Report for HUNTINGTON INGALLS INDUSTRIES, INC. (HII)

Reporting relationship: Director, President & CEO, Director
Issuer ticker: HII
Reported as of: 26 Feb 2026
Net transaction value: +$570,077
SEC form: 4
Accepted by SEC: 02 Mar 2026, 16:16:29 UTC
Prior SEC filing: 27 Feb 2026
Next SEC filing: 16 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Tiffany M. King, Attorney-in-Fact

Key filing fact

Christopher D. Kastner filed Form 4 for HUNTINGTON INGALLS INDUSTRIES, INC. (HII) on 02 Mar 2026.

Key facts

This page summarizes Christopher D. Kastner's Form 4 filing for HUNTINGTON INGALLS INDUSTRIES, INC. (HII).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 02 Mar 2026, 16:16.

Change

Previous filing in this sequence was filed on 27 Feb 2026.
Current net transaction value: +$570,077.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001569904 Primary reporting owner

Kastner Christopher D

Relationship: Director, President & CEO, Director
Address: 4101 WASHINGTON AVENUE, NEWPORT NEWS
Signature: /s/ Tiffany M. King, Attorney-in-Fact
Signature date: 02 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

HII transaction

Common Stock

Options Exercise

Transaction value: $1,038,392
Shares: +2,344
Change %: +10%
Price: $443.00
Shares after: 25,351
Date: 26 Feb 2026
Ownership: Direct

HII transaction

Common Stock

Tax liability

Transaction value: $468,315
Shares: -1,057
Change %: -4.2%
Price: $443.00
Shares after: 24,294
Date: 26 Feb 2026
Ownership: Direct
Footnotes: F1

HII holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 101
Date: 26 Feb 2026
Ownership: By 401(k) Plan

HII holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 67,479
Date: 26 Feb 2026
Ownership: Held in the Kastner Family Trust

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

HII transaction Derivative

Restricted Stock Rights

Options Exercise

Transaction value: $0
Shares: -2,344
Change %: -11%
Price: $0.000000
Shares after: 18,491
Date: 26 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,344
Exercise price
Footnotes: F2

HII holding Derivative

SEP

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 14,232
Date: 26 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,296
Exercise price
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Shares withheld by issuer for the payment of withholding taxes on restricted stock rights ("RSRs") that vested on 2/26/26.

Footnote F2

Each Restricted Stock Right ("RSR") represents a contingent right to receive an equivalent number of shares of Company common stock, or, at the discretion of the Company's Compensation Committee, cash or a combination of cash and Company common stock. The RSRs were granted under the 2022 Long-Term Incentive Stock Plan ("LTISP") on 2/26/24 and vest ratably in three equal installments upon each of the first, second and third anniversaries of the grant date.

Footnote F3

The reporting person's interest in the HII Stock Fund of the Huntington Ingalls Industries, Inc. Savings Excess Plan (the "Plan") is held in the form of units of interest. The Plan's administrator calculates the number of shares of issuer common stock represented by units in the HII Stock Fund.