Kratos counsel sells 1,013 shares under 10b5-1 plan

Kratos Defense & Security Solutions SVP & General Counsel Marie Mendoza sold 1,013 shares of common stock on July 15, 2026 at $51.79 per share in an open-market or private transaction pursuant to a Rule 10b5-1 trading plan adopted on March 17, 2025.

Rhea-AI Filing Summary

Kratos Defense & Security Solutions SVP & General Counsel Marie Mendoza sold 1,013 shares of common stock on July 15, 2026 at $51.79 per share in an open-market or private transaction pursuant to a Rule 10b5-1 trading plan adopted on March 17, 2025. Following this sale, she directly holds 63,666 shares, including 2,343 shares purchased through the Employee Stock Purchase Plan and approximately 14,913 shares held through the company 401(k) plan.

Insider Trade Summary 10b5-1

Net Seller: 1,013 shares

Net Sell 1 txn

Insider Mendoza Marie

Role SVP & General Counsel

Sold 1,013 shs ($52K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	1,013	$51.79	$52K

Holdings After Transaction: Common Stock — 63,666 shares (Direct)

Footnotes (2)

1. F1. This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person on March 17, 2025.
2. F2. Includes 2,343 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 14,913 shares held through Issuer's 401(k) Plan.

Key Figures

Shares sold: 1,013 shares Sale price: $51.79 per share Post-transaction holdings: 63,666 shares +3 more

6 metrics

Shares sold 1,013 shares Common stock sale on July 15, 2026

Sale price $51.79 per share Price for the 1,013 shares sold

Post-transaction holdings 63,666 shares Directly held after the July 15, 2026 sale

ESPP shares included 2,343 shares Purchased through Issuer's Employee Stock Purchase Plan and included in 63,666 shares

401(k) plan shares approximately 14,913 shares Held through Issuer's 401(k) Plan and included in 63,666 shares

10b5-1 plan adoption date March 17, 2025 Date Marie Mendoza adopted the Rule 10b5-1 trading plan

Key Terms

Rule 10b5-1 trading plan, Employee Stock Purchase Plan, 401(k) Plan, open market or private transaction

4 terms

Rule 10b5-1 trading plan financial

"transaction was effected pursuant to a 10b5-1 trading plan adopted"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Employee Stock Purchase Plan financial

"Includes 2,343 shares purchased through Issuer's Employee Stock Purchase Plan"

An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.

401(k) Plan financial

"approximately 14,913 shares held through Issuer's 401(k) Plan"

A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.

open market or private transaction financial

"Sale in open market or private transaction"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did KTOS executive Marie Mendoza report?

Marie Mendoza reported a sale of 1,013 KTOS common shares on July 15, 2026 at $51.79 per share. The transaction was coded as an open-market or private sale under code S.

Was the KTOS insider sale by Marie Mendoza under a Rule 10b5-1 plan?

Yes. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by Marie Mendoza on March 17, 2025, indicating the trade followed a pre-arranged schedule.

How many KTOS shares did Marie Mendoza sell and at what price?

She sold 1,013 shares of Kratos Defense & Security Solutions common stock at $51.79 per share. This represents a single reported transaction on July 15, 2026.

How many KTOS shares does Marie Mendoza hold after the reported sale?

After the sale, Marie Mendoza directly holds 63,666 KTOS shares. This total includes shares from the Employee Stock Purchase Plan and shares held through the company’s 401(k) plan.

What portion of Marie Mendoza’s KTOS holdings are in benefit plans?

Her reported holdings include 2,343 shares purchased through the Employee Stock Purchase Plan and approximately 14,913 shares held through Kratos’s 401(k) Plan, both counted within the 63,666 post-transaction shares.

What is Marie Mendoza’s role at KTOS in relation to this insider trade?

Marie Mendoza is Senior Vice President & General Counsel of Kratos Defense & Security Solutions. Her position classifies her as an officer and reporting person for this insider stock transaction.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/17/2026 - 06:32 PM Accepted by SEC EDGAR 07/17/2026 - 06:31 PM Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Mendoza Marie

(Last) (First) (Middle)

10680 TREENA STREET, SUITE 600

(Street)

SAN DIEGO CALIFORNIA 92131

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/15/2026

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

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

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

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	07/15/2026		S		1,013(1)	D	$51.79	63,666(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 2,343 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 14,913 shares held through Issuer's 401(k) Plan.

	Marie C. Mendoza, by Eva Yee, Attorney-In-Fact	07/17/2026
	** 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.
* Form 4: SEC 1474 (03-26)