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: 2026-05-07 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Leidos Holdings, Inc. (LDOS) CIK: 0001336920 --- Reporting Owner --- Name: May Gary Stephen CIK: 0001635110 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-07 | Code: M (Exercise of derivative) Shares: +3,345 | Price: $75.02 Total Value: $250,941.90 Shares Owned After: 13,482 | Ownership: D (Direct) [Transaction #2] Security: Common Stock Date: 2026-05-07 | Code: F (Payment of exercise/tax) Shares: -1,861 | Price: $134.90 Total Value: $251,048.90 Shares Owned After: 11,621 | Ownership: D (Direct) Footnotes: [F1] Represents shares of common stock withheld by the issuer in connection with the option exercise to cover the exercise price and associated fees. [Transaction #3] Security: Common Stock Date: 2026-05-07 | Code: S (Open market sale) Shares: -1,484 | Price: $132.75 Total Value: $197,005.16 Shares Owned After: 10,137 | Ownership: D (Direct) Footnotes: [F2] The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices from $132.50 to $132.90 inclusive. The reporting person undertakes to providing to Leidos Holdings, Inc., any security holder of Leidos Holdings, Inc., or the staff of the Securities Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the aforementioned range. --- Derivative Transactions --- [Transaction #1] Security: Stock Option (Right to Buy) Date: 2026-05-07 | Code: M (Exercise of derivative) Shares: -3,345 | Price: $0.00 Exercisable: N/A | Expires: 2026-05-09 Shares Owned After: 0 | Ownership: D (Direct) --- Footnotes (Complete Index) --- F1: Represents shares of common stock withheld by the issuer in connection with the option exercise to cover the exercise price and associated fees. F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices from $132.50 to $132.90 inclusive. The reporting person undertakes to providing to Leidos Holdings, Inc., any security holder of Leidos Holdings, Inc., or the staff of the Securities Exchange Commission upon request, full information regarding the number of shares sold at each separate price within the aforementioned range. --- Signature --- /s/ /s/ Ramune M. Kligys by PoA of Gary Stephen May (2026-05-08)