Marie Mendoza - 03 Jan 2026 Form 4 Insider Report for KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS)

Role
SVP & General Counsel
Signature
Marie C. Mendoza, by Eva Yee, Attorney-In-Fact
Issuer symbol
KTOS
Transactions as of
03 Jan 2026
Net transactions value
-$621,237
Form type
4
Filing time
06 Jan 2026, 20:22:18 UTC
Previous filing
17 Dec 2025
Next filing
16 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mendoza Marie SVP & General Counsel 10680 TREENA STREET, SUITE 600, SAN DIEGO Marie C. Mendoza, by Eva Yee, Attorney-In-Fact 06 Jan 2026 0001660112

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KTOS Common Stock Options Exercise $0 +3,000 +5.2% $0.000000 60,619 03 Jan 2026 Direct F3, F9
transaction KTOS Common Stock Tax liability $127,340 -1,606 -2.6% $79.29 59,013 03 Jan 2026 Direct F8, F9
transaction KTOS Common Stock Options Exercise $0 +3,000 +5.1% $0.000000 62,013 03 Jan 2026 Direct F4, F9
transaction KTOS Common Stock Tax liability $118,539 -1,495 -2.4% $79.29 60,518 03 Jan 2026 Direct F8, F9
transaction KTOS Common Stock Options Exercise $0 +3,500 +5.8% $0.000000 64,018 03 Jan 2026 Direct F5, F9
transaction KTOS Common Stock Tax liability $138,282 -1,744 -2.7% $79.29 62,274 03 Jan 2026 Direct F8, F9
transaction KTOS Common Stock Options Exercise $0 +3,000 +4.8% $0.000000 65,274 04 Jan 2026 Direct F6, F9
transaction KTOS Common Stock Tax liability $118,539 -1,495 -2.3% $79.29 63,779 04 Jan 2026 Direct F8, F9
transaction KTOS Common Stock Options Exercise $0 +3,000 +4.7% $0.000000 66,779 04 Jan 2026 Direct F7, F9
transaction KTOS Common Stock Tax liability $118,539 -1,495 -2.2% $79.29 65,284 04 Jan 2026 Direct F8, F9

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction KTOS Restricted Stock Units Award $0 +17,500 $0.000000 17,500 03 Jan 2026 Common Stock 17,500 Direct F1, F2
transaction KTOS Restricted Stock Units Options Exercise $0 -3,000 -50% $0.000000 3,000 03 Jan 2026 Common Stock 3,000 Direct F1, F3
transaction KTOS Restricted Stock Units Options Exercise $0 -3,000 -33% $0.000000 6,000 03 Jan 2026 Common Stock 3,000 Direct F1, F4
transaction KTOS Restricted Stock Units Options Exercise $0 -3,500 -20% $0.000000 14,000 03 Jan 2026 Common Stock 3,500 Direct F1, F5
transaction KTOS Restricted Stock Units Options Exercise $0 -3,000 -100% $0.000000 0 04 Jan 2026 Common Stock 3,000 Direct F1, F6
transaction KTOS Restricted Stock Units Options Exercise $0 -3,000 -25% $0.000000 9,000 04 Jan 2026 Common Stock 3,000 Direct F1, F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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).