Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
06 Jan 2026, 19:28:54 UTC
Prior SEC filing
31 Dec 2025
Next SEC filing
28 Jan 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Steven S. Fendley, by Eva Yee, Attorney-In-Fact

Key filing fact

Steven S. Fendley filed Form 4 for KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS) on 06 Jan 2026.

Key facts

  • This page summarizes Steven S. Fendley'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, 19:28.

Change

  • Previous filing in this sequence was filed on 31 Dec 2025.
  • Current net transaction value: -$1,568,435.

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 0001695434 Primary reporting owner

Fendley Steven S.

Relationship
President, US Division
Address
10680 TREENA STREET, SUITE 600, SAN DIEGO
Signature
Steven S. Fendley, 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
+10,000
Change %
+3.1%
Price
$0.000000
Shares after
328,434
Date
03 Jan 2026
Ownership
Direct
Footnotes
F3, F9
KTOS transaction

Common Stock

Tax liability

Transaction value
$320,728
Shares
-4,045
Change %
-1.2%
Price
$79.29
Shares after
324,389
Date
03 Jan 2026
Ownership
Direct
Footnotes
F8, F9
KTOS transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+10,000
Change %
+3.1%
Price
$0.000000
Shares after
334,389
Date
03 Jan 2026
Ownership
Direct
Footnotes
F4, F9
KTOS transaction

Common Stock

Tax liability

Transaction value
$311,927
Shares
-3,934
Change %
-1.2%
Price
$79.29
Shares after
330,455
Date
03 Jan 2026
Ownership
Direct
Footnotes
F8, F9
KTOS transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+10,000
Change %
+3%
Price
$0.000000
Shares after
340,455
Date
03 Jan 2026
Ownership
Direct
Footnotes
F5, F9
KTOS transaction

Common Stock

Tax liability

Transaction value
$311,927
Shares
-3,934
Change %
-1.2%
Price
$79.29
Shares after
336,521
Date
03 Jan 2026
Ownership
Direct
Footnotes
F8, F9
KTOS transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+10,000
Change %
+3%
Price
$0.000000
Shares after
346,521
Date
04 Jan 2026
Ownership
Direct
Footnotes
F6, F9
KTOS transaction

Common Stock

Tax liability

Transaction value
$311,927
Shares
-3,934
Change %
-1.1%
Price
$79.29
Shares after
342,587
Date
04 Jan 2026
Ownership
Direct
Footnotes
F8, F9
KTOS transaction

Common Stock

Options Exercise

Transaction value
$0
Shares
+10,000
Change %
+2.9%
Price
$0.000000
Shares after
352,587
Date
04 Jan 2026
Ownership
Direct
Footnotes
F7, F9
KTOS transaction

Common Stock

Tax liability

Transaction value
$311,927
Shares
-3,934
Change %
-1.1%
Price
$79.29
Shares after
348,653
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
+50,000
Change %
Price
$0.000000
Shares after
50,000
Date
03 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
50,000
Exercise price
Footnotes
F1, F2
KTOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
$0
Shares
-10,000
Change %
-50%
Price
$0.000000
Shares after
10,000
Date
03 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
10,000
Exercise price
Footnotes
F1, F3
KTOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
$0
Shares
-10,000
Change %
-33%
Price
$0.000000
Shares after
20,000
Date
03 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
10,000
Exercise price
Footnotes
F1, F4
KTOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
$0
Shares
-10,000
Change %
-20%
Price
$0.000000
Shares after
40,000
Date
03 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
10,000
Exercise price
Footnotes
F1, F5
KTOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
$0
Shares
-10,000
Change %
-100%
Price
$0.000000
Shares after
0
Date
04 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
10,000
Exercise price
Footnotes
F1, F6
KTOS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
$0
Shares
-10,000
Change %
-25%
Price
$0.000000
Shares after
30,000
Date
04 Jan 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
10,000
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 50,000 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 50,000 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 50,000 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 50,000 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 50,000 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 approximately 2,307 shares held through Issuer's 401(k) Plan.

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