| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Atkinson Daniel A. | SVP, Controller | 1750 PRESIDENTS STREET, RESTON | /s/ Ramune M. Kligys by PoA of Daniel A. Atkinson | 17 Feb 2026 | 0002008776 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LDOS | Common Stock | Award | $0 | +772 | +46% | $0.000000 | 2,452 | 12 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | This restricted stock unit award will vest over three annual installments, beginning on March 7, 2026. |