(NOC)

Reporting relationship: Director
Issuer ticker: NOC
Reported as of: 03 Aug 2026
Net transaction value: -$52,015
SEC form: 4
Accepted by SEC: 04 Aug 2026, 13:45:58 UTC
Prior SEC filing: 21 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jennifer C. McGarey, Attorney-in-Fact

Key filing fact

Mark A. Welsh III filed Form 4 for NORTHROP GRUMMAN CORP /DE/ (NOC) on 04 Aug 2026.

Key facts

This page summarizes Mark A. Welsh III's Form 4 filing for NORTHROP GRUMMAN CORP /DE/ (NOC).
10 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 04 Aug 2026, 13:45.

Change

Previous filing in this sequence was filed on 21 May 2026.
Current net transaction value: -$52,015.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001692554 Primary reporting owner

WELSH MARK A III

Relationship: Director
Address: 2980 FAIRVIEW PARK DRIVE, FALLS CHURCH
Signature: /s/ Jennifer C. McGarey, Attorney-in-Fact
Signature date: 04 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NOC transaction

Common Stock

Sale

Transaction value: $4,356
Shares: -8
Change %: -0.18%
Price: $544.53
Shares after: 4,480
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1, F2

NOC transaction

Common Stock

Sale

Transaction value: $10,366
Shares: -19
Change %: -0.42%
Price: $545.59
Shares after: 4,461
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1, F3

NOC transaction

Common Stock

Sale

Transaction value: $6,011
Shares: -11
Change %: -0.25%
Price: $546.42
Shares after: 4,450
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1, F4

NOC transaction

Common Stock

Sale

Transaction value: $16,970
Shares: -31
Change %: -0.7%
Price: $547.42
Shares after: 4,419
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1, F5

NOC transaction

Common Stock

Sale

Transaction value: $5,483
Shares: -10
Change %: -0.23%
Price: $548.32
Shares after: 4,409
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1, F6

NOC transaction

Common Stock

Sale

Transaction value: $3,297
Shares: -6
Change %: -0.14%
Price: $549.50
Shares after: 4,403
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1, F7

NOC transaction

Common Stock

Sale

Transaction value: $1,101
Shares: -2
Change %: -0.05%
Price: $550.68
Shares after: 4,401
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1

NOC transaction

Common Stock

Sale

Transaction value: $1,106
Shares: -2
Change %: -0.05%
Price: $552.95
Shares after: 4,399
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1

NOC transaction

Common Stock

Sale

Transaction value: $1,108
Shares: -2
Change %: -0.05%
Price: $553.90
Shares after: 4,397
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1

NOC transaction

Common Stock

Sale

Transaction value: $2,217
Shares: -4
Change %: -0.09%
Price: $554.14
Shares after: 4,393
Date: 03 Aug 2026
Ownership: Direct
Footnotes: F1, F8

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 8 footnotes

Footnote F1

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 23, 2025.

Footnote F2

Represents the weighted average sale price of $544.53 rounded to the nearest hundredth. The highest price at which the shares were sold was $544.81 and the lowest price at which the shares were sold was $544.03. 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.

Footnote F3

Represents the weighted average sale price of $545.59 rounded to the nearest hundredth. The highest price at which the shares were sold was $545.82 and the lowest price at which the shares were sold was $545.12. 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.

Footnote F4

Represents the weighted average sale price of $546.42 rounded to the nearest hundredth. The highest price at which the shares were sold was $546.89 and the lowest price at which the shares were sold was $546.05. 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.

Footnote F5

Represents the weighted average sale price of $547.42 rounded to the nearest hundredth. The highest price at which the shares were sold was $547.94 and the lowest price at which the shares were sold was $547.12. 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.

Footnote F6

Represents the weighted average sale price of $548.32 rounded to the nearest hundredth. The highest price at which the shares were sold was $548.78 and the lowest price at which the shares were sold was $548.11. 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.

Footnote F7

Represents the weighted average sale price of $549.50 rounded to the nearest hundredth. The highest price at which the shares were sold was $549.74 and the lowest price at which the shares were sold was $549.03. 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.

Footnote F8

Represents the weighted average sale price of $554.14 rounded to the nearest hundredth. The highest price at which the shares were sold was $554.17 and the lowest price at which the shares were sold was $554.11. 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.