| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Antal Daniel J. | EVP, General Counsel | 1750 PRESIDENTS STREET, RESTON | /s/ Ramune M. Kligys by PoA of Daniel J. Antal | 17 Feb 2026 | 0002016615 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LDOS | Common Stock | Award | $0 | +1,585 | +12% | $0.000000 | 14,632 | 12 Feb 2026 | Direct | F1 |
| transaction | LDOS | Common Stock | Award | $0 | +1,586 | +32% | $0.000000 | 6,595 | 12 Feb 2026 | By Key Executive Stock Deferral Plan | F1 |
| Id | Content |
|---|---|
| F1 | This restricted stock unit award will vest over three annual installments, beginning on March 7, 2026. |