KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS) Form 424B3 — Oct 14, 2026

Kratos Defense & Security Solutions filed a prospectus supplement registering the resale of up to 668,841 shares of common stock by four selling stockholders connected to its October 9, 2026 acquisition of Jetset Airmotive, Inc. The shares consist of 547,249 Closing Shares issued at the Jetset acquisition closing plus up to 121,592 Earn-out Shares, with the earn-out valued at up to approximately $4,947,766 payable solely in stock. Kratos receives no proceeds from any resale; the selling stockholders keep all sale proceeds. The registered shares represent well under 1% of Kratos' 188.4 million shares outstanding, so potential overhang is minimal.

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