Kratos senior VP, general counsel sells 1,000 shares

KTOS’s senior vice president and general counsel sold 1,000 shares under a Rule 10b5-1 plan and continues to hold 61,200 shares.

Rhea-AI Filing Summary

KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS) senior vice president and general counsel Marie Mendoza sold 1,000 shares of common stock on September 15, 2026 at a price of $48.50 per share in an open-market or private transaction. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted on March 17, 2025. Following this transaction, she holds 61,200 shares directly, including 2,343 shares purchased through the company’s Employee Stock Purchase Plan and approximately 14,960 shares held through the company’s 401(k) plan.

Insider Trade Summary 10b5-1

Net Seller: 1,000 shares

Net Sell 1 txn

Insider Mendoza Marie

Role SVP & General Counsel

Sold 1,000 shs ($49K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	1,000	$48.50	$49K

Holdings After Transaction: Common Stock — 61,200 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 14,960 shares held through Issuer's 401(k) Plan.

Key Figures

Shares sold: 1,000 shares Sale price per share: $48.50 per share Shares held after transaction: 61,200 shares +2 more

5 metrics

Shares sold 1,000 shares Common stock sale on September 15, 2026

Sale price per share $48.50 per share Price for the 1,000 KTOS shares sold on September 15, 2026

Shares held after transaction 61,200 shares Direct holdings of Marie Mendoza after the September 15, 2026 sale

Employee Stock Purchase Plan shares 2,343 shares Included within Marie Mendoza’s 61,200 directly held shares

401(k) Plan shares 14,960 shares (approximately) Held through the issuer’s 401(k) plan and included in the 61,200 shares

Key Terms

Rule 10b5-1 trading plan, Employee Stock Purchase Plan, 401(k) Plan

3 terms

Rule 10b5-1 trading plan regulatory

"This 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 14,960 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.

FAQ

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

What insider transaction did KTOS report for Marie Mendoza?

Marie Mendoza, senior vice president and general counsel of KTOS, sold 1,000 shares of common stock on September 15, 2026 at $48.50 per share in an open-market or private transaction and now holds 61,200 shares directly.

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

Yes. The filing states the 1,000-share sale by Marie Mendoza on September 15, 2026 was effected pursuant to a Rule 10b5-1 trading plan adopted by her on March 17, 2025.

How many KTOS shares does Marie Mendoza hold after this transaction?

After the sale, Marie Mendoza holds 61,200 KTOS shares directly. This total includes 2,343 shares purchased through the Employee Stock Purchase Plan and approximately 14,960 shares held through the company’s 401(k) plan.

What price did Marie Mendoza receive per KTOS share in the reported sale?

The reported sale of KTOS common stock by Marie Mendoza on September 15, 2026 was executed at a price of $48.50 per share, described as a sale in an open-market or private transaction.

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

Within Marie Mendoza’s total post-transaction holdings of 61,200 KTOS shares, the filing notes that 2,343 shares were purchased through the Employee Stock Purchase Plan and approximately 14,960 shares are held through the company’s 401(k) plan.

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

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Available on EDGAR 09/17/2026 - 07:52 PM Accepted by SEC EDGAR 09/17/2026 - 07:52 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)
09/15/2026

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	09/15/2026		S		1,000(1)	D	$48.5	61,200(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 14,960 shares held through Issuer's 401(k) Plan.

	Marie C. Mendoza, by Eva Yee, Attorney-In-Fact	09/17/2026
	** 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)