KTOS counsel sells 1,500 shares in planned trade

Kratos Defense & Security Solutions SVP & General Counsel Marie Mendoza sold a total of 1,500 shares of common stock in open-market trades on June 15, 2026, at prices around $57–$59, under a pre-arranged Rule 10b5-1 trading plan adopted on March 17, 2025.

Rhea-AI Filing Summary

Kratos Defense & Security Solutions SVP & General Counsel Marie Mendoza sold a total of 1,500 shares of common stock in open-market trades on June 15, 2026, at prices around $57–$59, under a pre-arranged Rule 10b5-1 trading plan adopted on March 17, 2025. After these sales, she directly holds 64,447 shares, including 2,251 shares purchased through the company’s Employee Stock Purchase Plan and approximately 14,773 shares held through its 401(k) Plan.

Insider Trade Summary 10b5-1

Net Seller: 1,500 shares

Net Sell 3 txns

Insider Mendoza Marie

Role SVP & General Counsel

Sold 1,500 shs ($87K)

Type	Security	Shares	Price	Value
Sale	Common Stock	800	$57.5288	$46K
Sale	Common Stock	600	$58.2017	$35K
Sale	Common Stock	100	$59.45	$6K

Holdings After Transaction: Common Stock — 64,447 shares (Direct)

Footnotes (4)

1. F1. This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person March 17, 2025.
2. F2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.90 to $57.84 inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.
3. F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.90 to $58.72 inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.
4. F4. Includes 2,251 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 14,773 shares held through Issuer's 401(k) Plan.

Key Figures

Shares sold: 1,500 shares Sale price 1: $59.45 per share Sale price 2: $58.2017 per share +4 more

7 metrics

Shares sold 1,500 shares Total KTOS common shares sold on June 15, 2026

Sale price 1 $59.45 per share Weighted average price for 100-share sale

Sale price 2 $58.2017 per share Weighted average price for 600-share sale

Sale price 3 $57.5288 per share Weighted average price for 800-share sale

Post-transaction holdings 64,447 shares Direct KTOS shares held after reported sales

ESPP shares 2,251 shares Shares purchased through Employee Stock Purchase Plan

401(k) shares 14,773 shares Approximate KTOS shares held through 401(k) Plan

Key Terms

Rule 10b5-1 trading plan, weighted average price, Employee Stock Purchase Plan, 401(k) Plan, +1 more

5 terms

Rule 10b5-1 trading plan financial

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

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.

weighted average price financial

"The price reported in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

Employee Stock Purchase Plan financial

"Includes 2,251 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

"and approximately 14,773 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 sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

FAQ

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

What did KTOS executive Marie Mendoza report in this Form 4?

Marie Mendoza reported selling 1,500 KTOS shares in open-market trades. The sales occurred on June 15, 2026, and were executed under a pre-arranged Rule 10b5-1 trading plan, indicating they were scheduled in advance rather than timed discretionarily.

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

Mendoza sold a total of 1,500 KTOS common shares. The reported weighted average prices were $59.45, $58.2017, and $57.5288 per share, with underlying trades in ranges from $56.90 to $57.84 and from $57.90 to $58.72.

How many KTOS shares does Marie Mendoza hold after these transactions?

After the reported sales, Mendoza holds 64,447 KTOS shares directly. This total includes 2,251 shares acquired through the Employee Stock Purchase Plan and about 14,773 shares held via the company’s 401(k) Plan, according to the Form 4 footnotes.

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

Yes, the sales were made under a Rule 10b5-1 trading plan. The footnotes state the plan was adopted on March 17, 2025, meaning the June 15, 2026 transactions were pre-scheduled rather than opportunistic market-timed trades.

What role does Marie Mendoza hold at Kratos Defense (KTOS)?

Marie Mendoza serves as Senior Vice President and General Counsel at KTOS. As a Section 16 officer, she must report transactions in company stock on Form 4, providing transparency into her personal trading activity in Kratos Defense shares.

How are KTOS shares held through benefit plans reflected in this Form 4?

The Form 4 notes shares held via company benefit plans. It specifies that Mendoza’s direct holdings include 2,251 shares from the Employee Stock Purchase Plan and approximately 14,773 shares held through Kratos Defense’s 401(k) Plan.

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

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Accepted by SEC EDGAR 06/17/2026 - 08:20 PM EDT 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)
06/15/2026

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	06/15/2026		S		800(1)	D	$57.5288(2)	65,147(4)	D
Common Stock	06/15/2026		S		600(1)	D	$58.2017(3)	64,547(4)	D
Common Stock	06/15/2026		S		100(1)	D	$59.45	64,447(4)	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 March 17, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.90 to $57.84 inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.90 to $58.72 inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

4. Includes 2,251 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 14,773 shares held through Issuer's 401(k) Plan.

	Marie C. Mendoza, by Eva Yee, Attorney-In-Fact	06/17/2026
	** 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)