Kastner Christopher D 4
4 · HUNTINGTON INGALLS INDUSTRIES, INC. · Filed Feb 25, 2026
Insider Transaction Report
Form 4
Kastner Christopher D
DirectorDirector, President & CEO
Transactions
- Exercise/Conversion
Common Stock
2026-02-24+5,145.748→ 7,409.566 total - Tax Payment
Common Stock
[F1]2026-02-24$447.73/sh−2,320.733$1,039,062→ 5,088.833 total - Exercise/Conversion
Restricted Stock Rights
[F2]2026-02-24−5,145.748→ 14,980.54 total→ Common Stock (5,145.748 underlying)
Holdings
- 100.55(indirect: By 401(k))
Common Stock
- 67,479.087(indirect: By Trust)
Common Stock
- 14,232.302
SEP
[F3]→ Common Stock (3,295.67 underlying)
Footnotes (3)
- [F1]Shares withheld by issuer for the payment of withholding taxes on Restricted Stock Rights ("RSRs") that vested on February 24, 2026.
- [F2]Each 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 2/24/25 and vest ratably in three equal installments upon each of the first, second and third anniversaries of the grant date.
- [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.
Signature
/s/ Tiffany M. King, Attorney-in-Fact|2026-02-25