Sell4

KRATOS DEFENSE & SECURITY SOLUTIONS, INC.

KTOS

Total Value

$19.3M

Net $19.3M sold

Filing Date

Aug 14, 2026

4 transactions

Sales

$19.3M

4 transactions

Trade Summary

On Aug 14, 2026, DEMARCO ERIC M, President & CEO, Director, sold $19.3M of KRATOS DEFENSE & SECURITY SOLUTIONS, INC. (KTOS) across 4 transactions. The filing covers Common Stock and reflects net selling of $19.3M. Reported prices ranged from $63.33 to $66.17. Insider transactions are sourced from SEC Form 4 disclosures and should be reviewed alongside company fundamentals and the insider's broader trading history.

Price at the Time of the Trade

KTOS daily price with the insider's sale marked at $64.33.

Sold in the lower half of the 6-month range · the stock trades 4% lower today.

Price data is delayed and provided for context only — not investment advice.

Insider Information

Name: DEMARCO ERIC M
Role: President & CEO, Director
Location: SAN DIEGO, CA

Filing Details

Filing Date: Aug 14, 2026
Transaction Date: Aug 14, 2026
Accession Number: 0001082440-26-000005
Form Type: 4
Net Trading Amount: -$19.3M

Non-Derivative Transactions

Date	Security	Shares	Price	Type	Value
Aug 14, 2026	Common Stock	19,638	$63.33	Sale	$1.2M
Aug 14, 2026	Common Stock	266,316	$64.33	Sale	$17.1M
Aug 14, 2026	Common Stock	4,946	$65.05	Sale	$321.8K
Aug 14, 2026	Common Stock	9,100	$66.17	Sale	$602.2K

Want live alerts when DEMARCO ERIC M trades again?

Download Insider Trades to track KTOS, follow insiders, and get mobile alerts when new SEC Form 4 filings are published.

iOS App Android App

Footnotes

(F1)This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person on March 6, 2026 and modified on May 15, 2026.
(F2)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.77 to $63.76 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.
(F3)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.77 to $64.76 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.
(F4)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $64.77 to $65.68 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.
(F5)The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.89 to $66.88 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.
(F6)In addition to the 761,632 shares and 63,036 shares reported in Column 5, as of August 14, 2026, 745,000 deferred restricted stock units (RSUs) granted to Mr. DeMarco, representing non-qualified deferred compensation, have vested but remain subject to a previously agreed to 5-year deferral period before issuance and release, which substantially all subject RSUs are scheduled to be released by January 2029, and an additional 750,000 RSUs granted to Mr. DeMarco are currently unvested and will only vest upon achievement of applicable vesting terms described in our proxy statement on Schedule 14A filed with the SEC on April 2, 2026. Each RSU represents a contingent right to receive one share of the Company's common stock.
(F7)Includes 43,925 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 19,111 shares held through Issuer'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).

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^*

DEMARCO ERIC M

(Last)

(First)

(Middle)

10680 TREENA STREET, SUITE 600

(Street)

SAN DIEGO

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)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/14/2026		S		19,638⁽¹⁾	D	$63.3317⁽²⁾	1,041,994	I	by trust
Common Stock	08/14/2026		S		266,316⁽¹⁾	D	$64.3321⁽³⁾	775,678	I	by trust
Common Stock	08/14/2026		S		4,946⁽¹⁾	D	$65.0538⁽⁴⁾	770,732	I	by trust
Common Stock	08/14/2026		S		9,100⁽¹⁾	D	$66.1729⁽⁵⁾	761,632⁽⁶⁾	I	by trust
Common Stock								63,036⁽⁶⁾⁽⁷⁾	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. This transaction was effected pursuant to a 10b5-1 trading plan adopted by the reporting person on March 6, 2026 and modified on May 15, 2026.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $62.77 to $63.76 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.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $63.77 to $64.76 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 $64.77 to $65.68 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.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.89 to $66.88 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. In addition to the 761,632 shares and 63,036 shares reported in Column 5, as of August 14, 2026, 745,000 deferred restricted stock units (RSUs) granted to Mr. DeMarco, representing non-qualified deferred compensation, have vested but remain subject to a previously agreed to 5-year deferral period before issuance and release, which substantially all subject RSUs are scheduled to be released by January 2029, and an additional 750,000 RSUs granted to Mr. DeMarco are currently unvested and will only vest upon achievement of applicable vesting terms described in our proxy statement on Schedule 14A filed with the SEC on April 2, 2026. Each RSU represents a contingent right to receive one share of the Company's common stock.

7. Includes 43,925 shares purchased through Issuer's Employee Stock Purchase Plan and approximately 19,111 shares held through Issuer's 401(k) Plan.

	Eric M. DeMarco, by Eva Yee, Attorney-In-Fact	08/14/2026
	** 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 as rendered by the SEC from accession 0001082440-26-000005.

KRATOS DEFENSE & SECURITY SOLUTIONS, INC.

Trade Summary

Price at the Time of the Trade

Company Information

Insider Information

Filing Details

Non-Derivative Transactions

Want live alerts when DEMARCO ERIC M trades again?

Footnotes

SEC Form 4

SEC Filing

SEC Form 4

Price at the Time of the Trade