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

Signature
Stacey G. Rock, by Eva Yee, Attorney-In-Fact
Issuer symbol
KTOS
Transactions as of
03 Jan 2026
Net transactions value
-$866,798
Form type
4
Filing time
06 Jan 2026, 20:56:08 UTC
Previous filing
19 Dec 2025
Next filing
12 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Rock Stacey G President, KTT Division 10680 TREENA STREET, SUITE 600, SAN DIEGO Stacey G. Rock, by Eva Yee, Attorney-In-Fact 06 Jan 2026 0001342017

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction KTOS Common Stock Options Exercise $0 +3,000 +9.8% $0.000000 33,549 03 Jan 2026 Direct F3, F9
transaction KTOS Common Stock Tax liability $102,522 -1,293 -3.9% $79.29 32,256 03 Jan 2026 Direct F8, F9
transaction KTOS Common Stock Options Exercise $0 +3,000 +9.3% $0.000000 35,256 03 Jan 2026 Direct F4, F9
transaction KTOS Common Stock Tax liability $93,562 -1,180 -3.3% $79.29 34,076 03 Jan 2026 Direct F8, F9
transaction KTOS Common Stock Options Exercise $0 +15,500 +45% $0.000000 49,576 03 Jan 2026 Direct F5, F9
transaction KTOS Common Stock Tax liability $483,590 -6,099 -12% $79.29 43,477 03 Jan 2026 Direct F8, F9
transaction KTOS Common Stock Options Exercise $0 +3,000 +6.9% $0.000000 46,477 04 Jan 2026 Direct F6, F9
transaction KTOS Common Stock Tax liability $93,562 -1,180 -2.5% $79.29 45,297 04 Jan 2026 Direct F8, F9
transaction KTOS Common Stock Options Exercise $0 +3,000 +6.6% $0.000000 48,297 04 Jan 2026 Direct F7, F9
transaction KTOS Common Stock Tax liability $93,562 -1,180 -2.4% $79.29 47,117 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 +25,000 $0.000000 25,000 03 Jan 2026 Common Stock 25,000 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 -15,500 -39% $0.000000 24,500 03 Jan 2026 Common Stock 15,500 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 15,500 RSUs vest on each of the 1st and 2nd anniversaries of the January 3, 2025 date of grant and 3,000 RSUs vest on each of the 3rd, 4th, and 5th anniversaries of the 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 2,013 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 6,676 shares held through Issuer's 401(k).