| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Wilkinson Kara R. | Ex. VP and President, NNS | 4101 WASHINGTON AVENUE, NEWPORT NEWS | /s/ Tiffany M. King, Attorney-in-Fact | 27 Feb 2026 | 0001852543 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HII | Common Stock | Award | $2,818,203 | +6,470 | +58% | $435.58 | 17,557 | 25 Feb 2026 | Direct | F1 |
| transaction | HII | Common Stock | Tax liability | $1,271,009 | -2,918 | -17% | $435.58 | 14,639 | 25 Feb 2026 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HII | Restricted Stock Rights | Award | $0 | +1,033 | +39% | $0.000000 | 3,679 | 25 Feb 2026 | Common Stock | 1,033 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Shares issued upon settlement of restricted performance stock rights ("RPSRs") for the performance period that ended on 12/31/2025. |
| F2 | Shares withheld by issuer for payment of withholding taxes on RPSRs. |
| F3 | 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 2/25/26 and vest ratably in three equal installments upon each of the first, second, and third anniversaries of the grant date. |