| 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 | 02 Jan 2026 | 0002016615 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LDOS | Common Stock | Award | $0 | +1 | +0.02% | $0.000000 | 5,009 | 31 Dec 2025 | By Key Executive Stock Deferral Plan | F1 |
| holding | LDOS | Common Stock | 13,047 | 31 Dec 2025 | Direct |
| Id | Content |
|---|---|
| F1 | Dividend equivalent rights. |