| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Carlini James F. | EVP, Chief Technology Officer | 1750 PRESIDENTS STREET, RESTON | /s/ Ramune M. Kligys, by PoA of James Frank Carlini | 19 Nov 2025 | 0001926985 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LDOS | Common Stock | Gift | $0 | -1,053 | -4.5% | $0.000000 | 22,169 | 19 Nov 2025 | Direct |