Christopher D. Kastner - 10 Aug 2026 Form 4 Insider Report for HUNTINGTON INGALLS INDUSTRIES, INC. (HII)

Reporting relationship: Director, President & CEO, Director
Issuer ticker: HII
Reported as of: 10 Aug 2026
Net transaction value: -$4,246,704
SEC form: 4
Accepted by SEC: 11 Aug 2026, 16:25:12 UTC
Prior SEC filing: 15 Jun 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 11 Aug 2026.

Key facts

This page summarizes Christopher D. Kastner's Form 4 filing for HUNTINGTON INGALLS INDUSTRIES, INC. (HII).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 11 Aug 2026, 16:25.

Change

Previous filing in this sequence was filed on 15 Jun 2026.
Current net transaction value: -$4,246,704.

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: 11 Aug 2026

Reported non-derivative transactions

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

HII transaction

Common Stock

Sale

Transaction value: $4,246,704
Shares: -13,070
Change %: -54%
Price: $324.92
Shares after: 11,224
Date: 10 Aug 2026
Ownership: Direct
Footnotes: F1, F2

HII holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 67,479
Date: 10 Aug 2026
Ownership: Held in the Kastner Family Trust

HII holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 101
Date: 10 Aug 2026
Ownership: By 401(k) Plan

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

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote F1

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2026.

Footnote F2

Represents the weighted average sale price of $324.92 rounded to the nearest hundredth. The highest price at which the shares were sold was $325.11 and the lowest price at which the shares were sold was $324.83. 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.