144 0001114923 XXXXXXXX LIVE 0001069258 Kratos Defense & Security Solutions, Inc. 001-34460 10680 Treena Street, Suite 600 San Diego CA 92131 858-812-7300 William A. Hoglund Director Common Stock J.P. Morgan Securities LLC

270 Park Avenue, 10th Floor New York NY 10017

91500 6451665 170329158 04/01/2026 NASDAQ Common Stock 05/20/2014 Purchase Open Market N 45269 05/20/2014 Cash Common Stock 08/12/2016 Purchase Open Market N 46231 08/12/2016 Cash Y The shares covered by this filing will be sold today or within three months of the date of this filing by Tucker Doghouse Investments LLC, William A. Hoglund as Managing Member. 04/01/2026 12/10/2025 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for William A. Hoglund