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

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
06 Jan 2026, 20:22:18 UTC
Prior SEC filing
17 Dec 2025
Next SEC filing
16 Jan 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Marie C. Mendoza, by Eva Yee, Attorney-In-Fact

Key filing fact

Marie Mendoza filed Form 4 for KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS) on 06 Jan 2026.

Key facts

  • This page summarizes Marie Mendoza's Form 4 filing for KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS).
  • 16 reported transactions and 6 derivative rows are listed below.
  • Accepted by SEC: 06 Jan 2026, 20:22.

Change

  • Previous filing in this sequence was filed on 17 Dec 2025.
  • Current net transaction value: -$621,237.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001660112 Primary reporting owner

Mendoza Marie

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

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

KTOS transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+3,000
Change %
+5.2%
Price
$0.000000
Shares after
60,619
Date
03 Jan 2026
Ownership
Direct
Footnotes
F3, F9
KTOS transaction

Common Stock

Tax liability

Transaction value
$127,340
Shares
-1,606
Change %
-2.6%
Price
$79.29
Shares after
59,013
Date
03 Jan 2026
Ownership
Direct
Footnotes
F8, F9
KTOS transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+3,000
Change %
+5.1%
Price
$0.000000
Shares after
62,013
Date
03 Jan 2026
Ownership
Direct
Footnotes
F4, F9
KTOS transaction

Common Stock

Tax liability

Transaction value
$118,539
Shares
-1,495
Change %
-2.4%
Price
$79.29
Shares after
60,518
Date
03 Jan 2026
Ownership
Direct
Footnotes
F8, F9
KTOS transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+3,500
Change %
+5.8%
Price
$0.000000
Shares after
64,018
Date
03 Jan 2026
Ownership
Direct
Footnotes
F5, F9
KTOS transaction

Common Stock

Tax liability

Transaction value
$138,282
Shares
-1,744
Change %
-2.7%
Price
$79.29
Shares after
62,274
Date
03 Jan 2026
Ownership
Direct
Footnotes
F8, F9
KTOS transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+3,000
Change %
+4.8%
Price
$0.000000
Shares after
65,274
Date
04 Jan 2026
Ownership
Direct
Footnotes
F6, F9
KTOS transaction

Common Stock

Tax liability

Transaction value
$118,539
Shares
-1,495
Change %
-2.3%
Price
$79.29
Shares after
63,779
Date
04 Jan 2026
Ownership
Direct
Footnotes
F8, F9
KTOS transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+3,000
Change %
+4.7%
Price
$0.000000
Shares after
66,779
Date
04 Jan 2026
Ownership
Direct
Footnotes
F7, F9
KTOS transaction

Common Stock

Tax liability

Transaction value
$118,539
Shares
-1,495
Change %
-2.2%
Price
$79.29
Shares after
65,284
Date
04 Jan 2026
Ownership
Direct
Footnotes
F8, F9

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

KTOS transaction Derivative

Restricted Stock Units

Award

Transaction value
$0
Shares
+17,500
Change %
Price
$0.000000
Shares after
17,500
Date
03 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
17,500
Exercise price
Footnotes
F1, F2
KTOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
$0
Shares
-3,000
Change %
-50%
Price
$0.000000
Shares after
3,000
Date
03 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,000
Exercise price
Footnotes
F1, F3
KTOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
$0
Shares
-3,000
Change %
-33%
Price
$0.000000
Shares after
6,000
Date
03 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,000
Exercise price
Footnotes
F1, F4
KTOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
$0
Shares
-3,500
Change %
-20%
Price
$0.000000
Shares after
14,000
Date
03 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,500
Exercise price
Footnotes
F1, F5
KTOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
$0
Shares
-3,000
Change %
-100%
Price
$0.000000
Shares after
0
Date
04 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,000
Exercise price
Footnotes
F1, F6
KTOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
$0
Shares
-3,000
Change %
-25%
Price
$0.000000
Shares after
9,000
Date
04 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,000
Exercise price
Footnotes
F1, F7
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 9 footnotes

Footnote F1

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

Footnote 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.

Footnote 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.

Footnote 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.

Footnote 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.

Footnote 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.

Footnote 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.

Footnote 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.

Footnote F9

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

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