Leidos Holdings, Inc. (LDOS) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-04 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Leidos Holdings, Inc. (LDOS) CIK: 0001336920 --- Reporting Owner --- Name: Porter Elizabeth A CIK: 0001820381 Role: Officer (Sector President) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-08-04 | Code: F (Payment of exercise/tax) Shares: -5,092 | Price: $118.72 Total Value: $604,522.24 Shares Owned After: 44,384 | Ownership: D (Direct) Footnotes: [F1] These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement. --- Footnotes (Complete Index) --- F1: These shares were withheld by the Company to satisfy the reporting person's tax obligation associated with previously reported awards of restricted stock units. This share withholding was authorized in the restricted stock award agreement. --- Signature --- /s/ /s/ Henrique B. Canarim by PoA of Elizabeth Porter (2026-08-06)