X0609 4 2026-03-30 0 0001069258 KRATOS DEFENSE & SECURITY SOLUTIONS, INC. KTOS 0001695434 Fendley Steven S. false 10680 TREENA STREET, SUITE 600 SAN DIEGO CA 92131 0 1 0 0 President, US Division 1 Common Stock 2026-03-30 4 S 0 1512 68.2803 D 363511 D Common Stock 2026-03-30 4 S 0 3644 69.3932 D 359867 D Common Stock 2026-03-30 4 S 0 944 70.4785 D 358923 D Common Stock 2026-03-30 4 S 0 900 71.6439 D 358023 D This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person on May 12, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.00 to $68.89 inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.01 to $69.96 inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.005 to $70.90 inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.34 to $71.85 inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4. Includes approximately 2,351 shares held through Issuer's 401(k) Plan. Steven S. Fendley, by Eva Yee, Attorney-In-Fact 2026-04-01