Kratos Defense & Security Solutions (NASDAQ: KTOS) president Stacey Rock sells shares under 10b5-1 plan

Rhea-AI Filing Summary

Kratos Defense & Security Solutions, Inc. insider activity: Stacey G. Rock, President of the KTT Division, reported multiple open-market sales of Kratos common stock on January 8, 2026 and January 12, 2026. All transactions are coded "S" for sales of non-derivative common stock held directly.

The trades were executed in several blocks, with individual transactions ranging from 100 shares to 5,808 shares. Weighted average sale prices reported in the filing range from $100.05 to $118.9725 per share, reflecting numerous executions within stated price bands. The filing notes that these sales were carried out under a Rule 10b5-1 trading plan adopted on June 16, 2025. Following the reported sales, Rock directly beneficially owns 26,487 shares of Kratos common stock, including 2,013 shares purchased through the company’s Employee Stock Purchase Plan and approximately 6,614 shares held through the company’s 401(k) plan.

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 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)
	President, KTT Division

3. Date of Earliest Transaction (Month/Day/Year)
01/08/2026

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	01/08/2026		S		100(1)	D	$100.05	46,955(13)	D
Common Stock	01/08/2026		S		300(1)	D	$103.1133(2)	46,655(13)	D
Common Stock	01/08/2026		S		1,200(1)	D	$104.2508(3)	45,455(13)	D
Common Stock	01/08/2026		S		800(1)	D	$105.4588(4)	44,655(13)	D
Common Stock	01/08/2026		S		1,100(1)	D	$106.4364(5)	43,555(13)	D
Common Stock	01/08/2026		S		200(1)	D	$107.31(6)	43,355(13)	D
Common Stock	01/08/2026		S		300(1)	D	$108.4667(7)	43,055(13)	D
Common Stock	01/12/2026		S		3,300(1)	D	$115.3565(8)	39,755(13)	D
Common Stock	01/12/2026		S		4,219(1)	D	$116.1599(9)	35,536(13)	D
Common Stock	01/12/2026		S		5,808(1)	D	$117.1673(10)	29,728(13)	D
Common Stock	01/12/2026		S		2,841(1)	D	$118.0311(11)	26,887(13)	D
Common Stock	01/12/2026		S		400(1)	D	$118.9725(12)	26,487(13)	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 $102.66 to $103.41 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 $103.88 to $104.76 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 $105.00 to $105.81 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 $106.03 to $106.88 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.15 to $107.47 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.

7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.25 to $108.80 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.

8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $114.70 to $115.68 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.

9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.70 to $116.67 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.

10. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.70 to $117.69 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.

11. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.75 to $118.55 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.

12. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.77 to $119.38 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.

13. Includes 2,013 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 6,614 shares held through Issuer's 401(k).

	Stacey G. Rock, by Eva Yee, Attorney-In-Fact	01/12/2026
	** 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.

FAQ

Who is the insider reporting transactions in Kratos Defense & Security Solutions (KTOS)?

The reporting person is Stacey G. Rock, who serves as President, KTT Division of Kratos Defense & Security Solutions, Inc. and is an officer of the company.

What type of transactions did Stacey Rock report in this Form 4 for KTOS?

Stacey Rock reported multiple open-market sales of Common Stock, all coded "S" as sales of non-derivative securities held directly.

On what dates did the reported KTOS insider stock sales occur?

The reported sales of Kratos common stock occurred on January 8, 2026 and January 12, 2026, as shown in Table I of the Form 4.

What price range did Stacey Rock receive for the KTOS shares sold?

The filing reports weighted average sale prices ranging from $100.05 per share to $118.9725 per share, with detailed price ranges for each transaction provided in the footnotes.

Were the KTOS insider sales made under a Rule 10b5-1 trading plan?

Yes. A footnote states that the transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 16, 2025.

How many KTOS shares does Stacey Rock own after the reported transactions?

After the reported sales, Stacey Rock beneficially owns 26,487 shares of Kratos common stock directly, including 2,013 shares purchased through the Employee Stock Purchase Plan and approximately 6,614 shares held through the company’s 401(k) plan.

How are the weighted average prices in the KTOS Form 4 explained?

For each sale line, a footnote explains that the reported price is a weighted average of multiple trades within a stated price range, and the reporting person undertakes to provide full trade-by-trade details upon request.