| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| DENAULT LEO P | Director | 4101 WASHINGTON AVENUE, NEWPORT NEWS | /s/ Tiffany M. King, Attorney-in-Fact | 02 Oct 2025 | 0001281986 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HII | Common Stock (SUA) | Award | $38,004 | +132 | +3.6% | $287.91 | 3,750 | 30 Sep 2025 | Direct | F1 |
| transaction | HII | Common Stock (SUA) | Award | $41,185 | +144 | +3.8% | $286.01 | 3,894 | 01 Oct 2025 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Shares of common stock issued in lieu of cash pursuant to the Huntington Ingalls Industries, Inc. 2022 Long-Term Incentive Stock Plan ("Plan") in an exempt transaction pursuant to Rule 16b-3. |
| F2 | Shares of common stock deferred into stock unit account pursuant to the Plan in an exempt transaction pursuant to Rule 16b-3. |