Northrop Grumman counsel sells 873 company shares

Northrop Grumman Corporation corporate vice president and general counsel Kathryn G. Simpson reported an open-market sale of common stock.

Rhea-AI Filing Summary

Northrop Grumman Corporation corporate vice president and general counsel Kathryn G. Simpson reported an open-market sale of common stock. On March 2, 2026, she sold 873 shares of Northrop Grumman common stock at a price of $745.00 per share, in a transaction classified as a non-derivative sale. The filing notes that this sale was executed under a pre-established Rule 10b5-1 trading plan adopted on February 28, 2025. Following the sale, Simpson directly held 1.39 shares of Northrop Grumman common stock.

Insider Trade Summary

Net Seller: 873 shares

Net Sell 1 txn

Insider Simpson Kathryn G

Role Corp VP & General Counsel

Sold 873 shs ($650K)

Type	Security	Shares	Price	Value
Sale	Common Stock	873	$745.00	$650K

Holdings After Transaction: Common Stock — 1.39 shares (Direct)

Footnotes (1)

1. F1. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025.

FAQ

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

What insider transaction did Northrop Grumman (NOC) report for Kathryn G. Simpson?

Northrop Grumman reported that Kathryn G. Simpson sold 873 shares of common stock. The transaction was an open-market sale of non-derivative common stock and was disclosed on a Form 4 insider trading report filed with regulators for transparency.

How many Northrop Grumman (NOC) shares did Kathryn G. Simpson sell and at what price?

Kathryn G. Simpson sold 873 shares of Northrop Grumman common stock at $745.00 per share. The transaction involved non-derivative common stock and reflects a planned open-market sale as detailed in the Form 4 insider trading disclosure.

What type of insider transaction did Kathryn G. Simpson execute in Northrop Grumman (NOC) stock?

Kathryn G. Simpson executed an open-market sale of non-derivative common stock. The Form 4 identifies the transaction with code “S,” indicating a sale in the open market or a private transaction, consistent with standard SEC transaction code definitions.

Was the Northrop Grumman (NOC) insider sale by Kathryn G. Simpson under a Rule 10b5-1 plan?

Yes. The Form 4 states the sale was carried out under a Rule 10b5-1 trading plan. This plan was adopted by Kathryn G. Simpson on February 28, 2025, providing a pre-arranged framework for selling shares according to predetermined instructions.

What is Kathryn G. Simpson’s role at Northrop Grumman (NOC) and how many shares does she now hold?

Kathryn G. Simpson is corporate vice president and general counsel of Northrop Grumman. After selling 873 shares, she directly holds 1.39 shares of the company’s common stock, as reported in the Form 4 insider ownership table.

What date was the insider stock sale by Northrop Grumman (NOC) executive Kathryn G. Simpson executed?

The insider stock sale was executed on March 2, 2026. On that date, Kathryn G. Simpson sold 873 shares of Northrop Grumman common stock in an open-market transaction, according to the transaction date disclosed in the Form 4 filing.

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Accepted by SEC EDGAR 03/03/2026 - 04:03 PM 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^*

Simpson Kathryn G

(Last) (First) (Middle)

2980 FAIRVIEW PARK DRIVE

(Street)

FALLS CHURCH VA 22042

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NORTHROP GRUMMAN CORP /DE/ [ NOC ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Corp VP & General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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	03/02/2026		S		873(1)	D	$745	1.39	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. The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 28, 2025.

Remarks:

	/s/ Jennifer C. McGarey, Attorney-in-Fact	03/03/2026
	** 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.