Northrop Grumman director Welsh sells 98 shares

The sales were made under a Rule 10b5-1 trading plan Mark A. Welsh III adopted on July 27, 2026.

Available on EDGAR 11/03/2026 - 11:25 AM EST Accepted by SEC EDGAR 11/03/2026 - 11:25 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Northrop Grumman director Mark A. Welsh III sold 98 shares of common stock on November 2, 2026, in five transactions. The reported weighted average sale prices were $553.39 for 7 shares, $554.48 for 20 shares, $555.46 for 20 shares, $556.47 for 50 shares, and $557.47 for 1 share. The sales were made under a Rule 10b5-1 trading plan Mark A. Welsh III adopted on July 27, 2026.

Insider Trade Summary 10b5-1

Net Seller: 98 shares

Net Sell 5 txns

Insider WELSH MARK A III

Role Director

Sold 98 shs ($54K)

Share of Position Sold 2.2%

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	7	$553.39	$4K
Sale	Common Stock F1, F3	20	$554.48	$11K
Sale	Common Stock F1, F4	20	$555.46	$11K
Sale	Common Stock F1, F5	50	$556.47	$28K
Sale	Common Stock F1	1	$557.47	$557.47

Holdings After Transaction: Common Stock — 4,314 shares (Direct)

Holdings Before and After: Common Stock, 4,412 to 4,314 shares (Direct)

Footnotes (5)

1. F1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on July 27, 2026.
2. F2. Represents the weighted average sale price of $553.39 rounded to the nearest hundredth. The highest price at which the shares were sold was $553.80 and the lowest price at which the shares were sold was $553.19. The reporting person undertakes to provide to the Issuer, any security holder of the 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 range set forth in this footnote in this Form 4.
3. F3. Represents the weighted average sale price of $554.48 rounded to the nearest hundredth. The highest price at which the shares were sold was $554.99 and the lowest price at which the shares were sold was $554.01. The reporting person undertakes to provide to the Issuer, any security holder of the 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 range set forth in this footnote in this Form 4.
4. F4. Represents the weighted average sale price of $555.46 rounded to the nearest hundredth. The highest price at which the shares were sold was $555.89 and the lowest price at which the shares were sold was $555.03. The reporting person undertakes to provide to the Issuer, any security holder of the 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 range set forth in this footnote in this Form 4.
5. F5. Represents the weighted average sale price of $556.47 rounded to the nearest hundredth. The highest price at which the shares were sold was $556.60 and the lowest price at which the shares were sold was $556.03. The reporting person undertakes to provide to the Issuer, any security holder of the 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 range set forth in this footnote in this Form 4.

Key Figures

Shares sold and weighted average sale price: 7 shares at $553.39 per share Shares sold and weighted average sale price: 20 shares at $554.48 per share Shares sold and weighted average sale price: 20 shares at $555.46 per share +2 more

5 metrics

Shares sold and weighted average sale price 7 shares at $553.39 per share November 2, 2026

Shares sold and weighted average sale price 20 shares at $554.48 per share November 2, 2026

Shares sold and weighted average sale price 20 shares at $555.46 per share November 2, 2026

Shares sold and weighted average sale price 50 shares at $556.47 per share November 2, 2026

Shares sold and weighted average sale price 1 share at $557.47 per share November 2, 2026

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, separate price within the range

3 terms

Rule 10b5-1 trading plan technical

"pursuant to a Rule 10b5-1 trading plan"

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 sale price financial

"Represents the weighted average sale price of $553.39"

separate price within the range financial

"shares sold at each separate price within the range"

FAQ

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How many NOC shares did Mark A. Welsh III sell, and at what prices?

Mark A. Welsh III, a Northrop Grumman director, sold 98 shares of common stock on November 2, 2026, across five transactions. The reported weighted average prices were $553.39 for 7 shares, $554.48 for 20 shares, $555.46 for 20 shares, $556.47 for 50 shares, and $557.47 for 1 share. The sales were under a Rule 10b5-1 plan he adopted on July 27, 2026.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

WELSH MARK A III

(Last) (First) (Middle)

2980 FAIRVIEW PARK DRIVE

(Street)

FALLS CHURCH VIRGINIA 22042

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/02/2026

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	11/02/2026		S		7(1)	D	$553.39(2)	4,405	D
Common Stock	11/02/2026		S		20(1)	D	$554.48(3)	4,385	D
Common Stock	11/02/2026		S		20(1)	D	$555.46(4)	4,365	D
Common Stock	11/02/2026		S		50(1)	D	$556.47(5)	4,315	D
Common Stock	11/02/2026		S		1(1)	D	$557.47	4,314	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 sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on July 27, 2026.

2. Represents the weighted average sale price of $553.39 rounded to the nearest hundredth. The highest price at which the shares were sold was $553.80 and the lowest price at which the shares were sold was $553.19. The reporting person undertakes to provide to the Issuer, any security holder of the 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 range set forth in this footnote in this Form 4.

3. Represents the weighted average sale price of $554.48 rounded to the nearest hundredth. The highest price at which the shares were sold was $554.99 and the lowest price at which the shares were sold was $554.01. The reporting person undertakes to provide to the Issuer, any security holder of the 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 range set forth in this footnote in this Form 4.

4. Represents the weighted average sale price of $555.46 rounded to the nearest hundredth. The highest price at which the shares were sold was $555.89 and the lowest price at which the shares were sold was $555.03. The reporting person undertakes to provide to the Issuer, any security holder of the 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 range set forth in this footnote in this Form 4.

5. Represents the weighted average sale price of $556.47 rounded to the nearest hundredth. The highest price at which the shares were sold was $556.60 and the lowest price at which the shares were sold was $556.03. The reporting person undertakes to provide to the Issuer, any security holder of the 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 range set forth in this footnote in this Form 4.

Remarks:

	/s/ Jennifer C. McGarey, Attorney-in-Fact	11/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)