NORTHROP GRUMMAN CORP /DE/ — Director's Dealing 2025

Jul 8, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NORTHROP GRUMMAN CORP /DE/ (NOC)
CIK: 0001133421
Period of Report: 2025-07-07

Reporting Person: WELSH MARK A III (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-07-07	Common Stock	S	1	$503.59	Disposed	4395	Direct
2025-07-07	Common Stock	S	2	$505.44	Disposed	4393	Direct
2025-07-07	Common Stock	S	21	$506.36	Disposed	4372	Direct
2025-07-07	Common Stock	S	3	$507.25	Disposed	4369	Direct
2025-07-07	Common Stock	S	5	$508.17	Disposed	4364	Direct
2025-07-07	Common Stock	S	1	$509.59	Disposed	4363	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 30, 2024.

F2: Represents the weighted average sale price of $505.44 rounded to the nearest hundredth. The highest price at which the shares were sold was $505.71 and the lowest price at which the shares were sold was $505.16. 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.

F3: Represents the weighted average sale price of $506.36 rounded to the nearest hundredth. The highest price at which the shares were sold was $506.89 and the lowest price at which the shares were sold was $506.00. 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.

F4: Represents the weighted average sale price of $507.25 rounded to the nearest hundredth. The highest price at which the shares were sold was $507.41 and the lowest price at which the shares were sold was $507.12. 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.

F5: Represents the weighted average sale price of $508.17 rounded to the nearest hundredth. The highest price at which the shares were sold was $508.31 and the lowest price at which the shares were sold was $508.04. 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.

F6: Amount includes dividends held in a stock unit account pursuant to the Northrop Grumman 2024 Long-Term Incentive Stock Plan and the Northrop Grumman 2011 Long-Term Incentive Stock Plan. Dividends earned on shares held in the stock unit account were exempt from Section 16 and not reportable under Rule 16a-11.