[Form 4] KRATOS DEFENSE & SECURITY SOLUTIONS, INC. Insider Trading Activity

Rhea-AI Filing Summary

Kratos Defense & Security Solutions (KTOS) reporting person Marie Mendoza, SVP & General Counsel, disclosed a sale of 1,408 shares of common stock on 09/15/2025 at a price of $69.45 per share. The filing shows 61,943 shares remained beneficially owned after the transaction. The form states the sale was executed pursuant to a 10b5-1 trading plan adopted by the reporting person on March 17, 2025. The disclosure also notes holdings that include 2,144 shares purchased through the issuer's Employee Stock Purchase Plan and approximately 14,214 shares held through the issuer's 401(k) plan. The Form 4 is signed on behalf of Ms. Mendoza by an attorney-in-fact on 09/17/2025.

Positive

• Sale executed under a 10b5-1 trading plan, indicating pre-arranged and rule-compliant transaction timing
• Clear disclosure of holdings, including ESPP (2,144 shares) and 401(k) plan (~14,214 shares), improving transparency
• Reporting person identified with title (SVP & General Counsel), and form is signed by authorized attorney-in-fact

Negative

• Insider disposed of 1,408 shares, reducing direct ownership (reported at 61,943 shares post-transaction)

Insights

Financial Analyst

TL;DR: Routine insider sale under a pre-established 10b5-1 plan; remaining insider stake still material at 61,943 shares.

The Form 4 reports a single non-derivative sale of 1,408 shares at $69.45 on 09/15/2025 executed under a 10b5-1 plan adopted 03/17/2025. Such plans typically indicate the transaction was pre-authorized and not a reactive trade. Post-transaction beneficial ownership is reported as 61,943 shares, with known plan and retirement plan holdings disclosed (2,144 ESPP; ~14,214 401(k)). From a financial perspective this is a discrete, well-documented insider disposition rather than a large, unplanned divestiture that would signal immediate governance or liquidity concerns.

Corporate Governance Expert

TL;DR: Disclosure follows standard Section 16 reporting; use of 10b5-1 plan suggests compliance with insider trading policies.

The filing identifies the reporting person as SVP & General Counsel and documents the sale under an explicit 10b5-1 plan, supporting procedural compliance. The presence of ESPP and 401(k) holdings is disclosed, clarifying indirect and employee-plan ownership. The Form 4 is executed by an attorney-in-fact, which is acceptable when properly authorized. Overall, the filing reflects appropriate transparency and adherence to reporting requirements for insider transactions.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Mendoza Marie

(Last) (First) (Middle)

10680 TREENA STREET, SUITE 600

(Street)

SAN DIEGO CA 92131

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
KRATOS DEFENSE & SECURITY SOLUTIONS, INC. [ KTOS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP & General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/15/2025		S		1,408(1)	D	$69.45	61,943(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person on March 17, 2025.

2. Includes 2,144 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 14,214 shares held through Issuer's 401(k) Plan.

	Marie C. Mendoza, by Eva Yee, Attorney-In-Fact	09/17/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did Marie Mendoza report on the KTOS Form 4?

The Form 4 reports a sale of 1,408 shares of Kratos common stock on 09/15/2025 at $69.45 per share.

Was the sale by the KTOS insider part of a pre-existing trading plan?

Yes. The filing states the transaction was effected pursuant to a 10b5-1 trading plan adopted on March 17, 2025.

How many KTOS shares does the reporting person beneficially own after the sale?

The Form 4 reports 61,943 shares beneficially owned following the reported transaction.

Does the filing disclose other types of holdings for the reporting person?

Yes. It includes 2,144 shares purchased through the Employee Stock Purchase Plan and approximately 14,214 shares held through the issuer's 401(k) plan.

Who signed the Form 4 for Marie Mendoza and when?

The Form 4 is signed by Marie C. Mendoza, by Eva Yee, Attorney-In-Fact with a signature date of 09/17/2025.