144 0001695434 XXXXXXXX LIVE 0001069258 KRATOS DEFENSE & SECURITY SOLUTIONS, INC. 001-34460 10680 TREENA STREET SUITE 600 SAN DIEGO CA 92131 858-812-7300 Fendley Steven S. Officer Common Stock Fidelity Brokerage Services LLC

245 Summer Street Boston MA 02110

7000 487119.93 168840708 03/30/2026 NASDAQ Common Stock 02/28/2025 Share Grant Kratos Defense & Security Solutions, Inc. N 7000 02/28/2025 N/A N Steven S. Fendley c/o Kratos Defense & Security Solutions

1 Chisholm Trail,, Suite 300 Round Rock TX 78681

Common Stock 01/26/2026 7000 755824.02 Steven S. Fendley c/o Kratos Defense & Security Solutions

1 Chisholm Trail,, Suite 300, Round Rock TX 78681

Common Stock 02/23/2026 7000 647976.30 Steven S. Fendley c/o Kratos Defense & Security Solutions

1 Chisholm Trail,, Suite 300 Round Rock TX 78681

Common Stock 12/29/2025 7000 535962.04 shares are being sold from THE STEVEN FENDLEY REV TR U/A 11/6/23 03/30/2026 05/12/2025 Audrey Skillern, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Steven S. Fendley