Kratos Defense (KTOS) director David Arnold King files initial Form 3

Rhea-AI Filing Summary

Kratos Defense & Security Solutions director David Arnold King has filed an initial Form 3 with the SEC, formally becoming a reporting insider of the company. This filing is an administrative disclosure of his status as a director and does not list any specific share transactions.

Key Terms

Form 3, reporting insider, beneficial ownership

3 terms

Form 3 regulatory

"has filed an initial Form 3 with the SEC"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

reporting insider regulatory

"formally becoming a reporting insider of the company"

beneficial ownership financial

"initial statement of beneficial ownership"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Understanding Insider Trading Forms →

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

King David Arnold

(Last) (First) (Middle)

10680 TREENA STREET, SUITE 600

(Street)

SAN DIEGO CALIFORNIA 92131

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/23/2026

3. Issuer Name and Ticker or Trading Symbol
KRATOS DEFENSE & SECURITY SOLUTIONS, INC. [ KTOS ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	David Arnold King, by Eva Yee, Attorney-In-Fact	03/30/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does the KTOS Form 3 filing for David Arnold King mean?

The Form 3 filing shows that David Arnold King is now an insider reporting person at Kratos Defense & Security Solutions. It is an initial statement of beneficial ownership and is largely administrative, without detailing recent stock transactions or trades.

Did David Arnold King buy or sell KTOS shares in this Form 3?

No transactions are reported in this Form 3 for Kratos Defense & Security Solutions. The filing only establishes David Arnold King’s status as a director and reporting person, with no buy, sell, or derivative exercises disclosed in the summary data.

Is the KTOS Form 3 for David Arnold King a bullish or bearish signal?

The Form 3 for David Arnold King is neutral for Kratos Defense & Security Solutions. It is a required insider registration document and does not show purchases, sales, or option exercises that would typically carry directional investment significance.

What insider role does David Arnold King hold at Kratos Defense (KTOS)?

David Arnold King is identified as a director of Kratos Defense & Security Solutions. As a director, he must report his beneficial ownership and future transactions in company securities using Forms 3, 4, and 5, enhancing transparency around insider holdings.

Does the KTOS Form 3 disclose any derivative securities for David Arnold King?

The summary data for this Form 3 shows no derivative positions reported for David Arnold King. There are no option, warrant, or other derivative holdings or exercises listed, indicating only the initial insider status is being recorded at this time.