Kratos executive sells 4,000 shares under plan

Kratos Defense & Security Solutions executive Stacey G. Rock, President of the KTT Division, reported selling a total of 4,000 shares of common stock on May 28, 2026 in open-market transactions.

Rhea-AI Filing Summary

Kratos Defense & Security Solutions executive Stacey G. Rock, President of the KTT Division, reported selling a total of 4,000 shares of common stock on May 28, 2026 in open-market transactions. The sales were executed in multiple tranches at weighted average prices between about $63 and $67 per share.

According to a footnote, these transactions were made under a pre-arranged Rule 10b5-1 trading plan, indicating they were scheduled in advance. Rock continues to hold shares, including 2,013 shares purchased through the company’s Employee Stock Purchase Plan and approximately 6,990 shares held through the company’s 401(k) plan.

Insider Trade Summary 10b5-1

Net Seller: 4,000 shares

Net Sell 4 txns

Insider Rock Stacey G

Role President, KTT Division

Sold 4,000 shs ($262K)

Type	Security	Shares	Price	Value
Sale	Common Stock	200	$63.14	$13K
Sale	Common Stock	900	$64.8767	$58K
Sale	Common Stock	2,700	$65.7556	$178K
Sale	Common Stock	200	$66.575	$13K

Holdings After Transaction: Common Stock — 13,896 shares (Direct)

Footnotes (6)

1. F1. This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person on June 16, 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 $62.94 to $63.34 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 $64.33 to $65.21 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.35 to $66.33 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.
5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.36 to $66.79 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.
6. F6. Includes 2,013 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 6,990 shares held through Issuer's 401(k) Plan.

Key Figures

Total shares sold: 4,000 shares Sale tranche price: $66.5750 per share Sale tranche price: $65.7556 per share +5 more

8 metrics

Total shares sold 4,000 shares Open-market sales on May 28, 2026

Sale tranche price $66.5750 per share One reported weighted average sale price

Sale tranche price $65.7556 per share One reported weighted average sale price

Sale tranche price $64.8767 per share One reported weighted average sale price

Sale tranche price $63.1400 per share One reported weighted average sale price

Net share change -4,000 shares Net sell shares in transaction summary

ESPP holdings 2,013 shares Purchased through Employee Stock Purchase Plan

401(k) holdings Approximately 6,990 shares Held through Issuer’s 401(k) Plan

Key Terms

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

4 terms

Rule 10b5-1 trading plan financial

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

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. These shares were sold in multiple transactions..."

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 2,013 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 6,990 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 Kratos Defense (KTOS) report for Stacey G. Rock?

Stacey G. Rock reported selling 4,000 KTOS shares. The Kratos Defense KTT Division president executed multiple open-market sales of common stock on May 28, 2026, under a pre-arranged Rule 10b5-1 trading plan.

At what prices did Stacey G. Rock sell Kratos (KTOS) shares?

The reported weighted average sale prices ranged around $63–$67 per share. Individual Form 4 line items show weighted averages of $63.1400, $64.8767, $65.7556, and $66.5750 for separate open-market sale tranches.

Was Stacey G. Rock’s KTOS share sale made under a Rule 10b5-1 plan?

Yes, the filing states the sales followed a Rule 10b5-1 plan. A footnote explains the May 28, 2026 transactions were effected under a trading plan previously adopted by the reporting person, indicating they were pre-scheduled.

How many Kratos (KTOS) shares does Stacey G. Rock still hold after the reported sales?

The filing indicates Stacey G. Rock continues to hold KTOS shares. A footnote states his holdings include 2,013 shares from the Employee Stock Purchase Plan and approximately 6,990 shares through the company’s 401(k) plan.

What types of accounts hold Stacey G. Rock’s remaining Kratos (KTOS) shares?

Remaining KTOS shares are partly in benefit and purchase plans. The Form 4 notes 2,013 shares were acquired through Kratos’s Employee Stock Purchase Plan and about 6,990 shares are held through the company’s 401(k) retirement plan.

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

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Accepted by SEC EDGAR 05/29/2026 - 05:44 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^*

Rock Stacey G

(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)
	President, KTT Division

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

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	05/28/2026		S		200(1)	D	$63.14(2)	17,696(6)	D
Common Stock	05/28/2026		S		900(1)	D	$64.8767(3)	16,796(6)	D
Common Stock	05/28/2026		S		2,700(1)	D	$65.7556(4)	14,096(6)	D
Common Stock	05/28/2026		S		200(1)	D	$66.575(5)	13,896(6)	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 June 16, 2025.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.94 to $63.34 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 $64.33 to $65.21 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.35 to $66.33 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.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $66.36 to $66.79 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.

6. Includes 2,013 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 6,990 shares held through Issuer's 401(k) Plan.

	Stacey G. Rock, by Eva Yee, Attorney-In-Fact	05/29/2026
	** 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)