| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Stevens Roy E | Sector President | 1750 PRESIDENTS STREET, RESTON | /s/ Ramune M. Kligys by PoA of Roy E. Stevens | 17 Feb 2026 | 0001755314 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LDOS | Common Stock | Award | $0 | +3,439 | +6.9% | $0.000000 | 53,373 | 12 Feb 2026 | Direct | F1 |
| transaction | LDOS | Common Stock | Award | $0 | +9,805 | +18% | $0.000000 | 63,178 | 12 Feb 2026 | Direct | |
| transaction | LDOS | Common Stock | Tax liability | $621,070 | -3,590 | -5.7% | $173.00 | 59,588 | 12 Feb 2026 | Direct | F2 |
| holding | LDOS | Common Stock | 1,793 | 12 Feb 2026 | By Key Executive Stock Deferral Plan |
| Id | Content |
|---|---|
| F1 | This restricted stock unit award will vest over three annual installments, beginning on March 7, 2026. |
| F2 | These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with the settlement of performance shares. This share withholding was authorized in the performance share award agreement. |