KRATOS DEFENSE & SECURITY SOLUTIONS, INC. — Director's Dealing 2026

Jan 6, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS)
CIK: 0001069258
Period of Report: 2026-01-03

Reporting Person: Mendoza Marie (SVP & General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-03	Common Stock	M	3000	—	Acquired	60619	Direct
2026-01-03	Common Stock	F	1606	$79.29	Disposed	59013	Direct
2026-01-03	Common Stock	M	3000	—	Acquired	62013	Direct
2026-01-03	Common Stock	F	1495	$79.29	Disposed	60518	Direct
2026-01-03	Common Stock	M	3500	—	Acquired	64018	Direct
2026-01-03	Common Stock	F	1744	$79.29	Disposed	62274	Direct
2026-01-04	Common Stock	M	3000	—	Acquired	65274	Direct
2026-01-04	Common Stock	F	1495	$79.29	Disposed	63779	Direct
2026-01-04	Common Stock	M	3000	—	Acquired	66779	Direct
2026-01-04	Common Stock	F	1495	$79.29	Disposed	65284	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-03	Restricted Stock Units	$	A	17500	Acquired		Common Stock (17500)	Direct
2026-01-03	Restricted Stock Units	$	M	3000	Disposed		Common Stock (3000)	Direct
2026-01-03	Restricted Stock Units	$	M	3000	Disposed		Common Stock (3000)	Direct
2026-01-03	Restricted Stock Units	$	M	3500	Disposed		Common Stock (3500)	Direct
2026-01-04	Restricted Stock Units	$	M	3000	Disposed		Common Stock (3000)	Direct
2026-01-04	Restricted Stock Units	$	M	3000	Disposed		Common Stock (3000)	Direct

Footnotes

F1: Each restricted stock unit (RSU) represents a contingent right to receive one share of Issuer's common stock.

F2: RSUs vest ratably on each of the first five anniversaries of the date of grant, unless earlier vested or terminated pursuant to the terms of the RSU agreement.

F3: RSUs were granted and previously reported on a Form 4 filed January 5, 2022, where 15,000 RSUs vest ratably on each of the first five anniversaries of the January 3, 2022 date of grant.

F4: RSUs were granted and previously reported on a Form 4 filed January 5, 2023, where 15,000 RSUs vest ratably on each of the first five anniversaries of the January 3, 2023 date of grant.

F5: RSUs were granted and previously reported on a Form 4 filed January 7, 2025, where 17,500 RSUs vest ratably on each of the first five anniversaries of the January 3, 2025 date of grant.

F6: RSUs were granted and previously reported on a Form 4 filed January 5, 2021, where 15,000 RSUs vest ratably on each of the first five anniversaries of the January 4, 2021 date of grant.

F7: RSUs were granted and previously reported on a Form 4 filed January 5, 2024, where 15,000 RSUs vest ratably on each of the first five anniversaries of the January 4, 2024 date of grant.

F8: Shares withheld in a net transaction to satisfy the tax liability, in accordance with Issuer's trading policies, in connection with shares vested as reported in this Form 4.

F9: Includes 2,251 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 14,198 shares held through Issuer's 401(k).