(NOC)

Reporting relationship: Director
Issuer ticker: NOC
Reported as of: 20 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 May 2026, 15:29:57 UTC
Prior SEC filing: 13 Jun 2025
Next SEC filing: 12 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Jennifer C. McGarey, Attorney-in-Fact

Key filing fact

Mary A. Winston filed Form 4 for NORTHROP GRUMMAN CORP /DE/ (NOC) on 21 May 2026.

Key facts

This page summarizes Mary A. Winston's Form 4 filing for NORTHROP GRUMMAN CORP /DE/ (NOC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 21 May 2026, 15:29.

Change

Previous filing in this sequence was filed on 13 Jun 2025.
Current net transaction value: $0.

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 0001282797 Primary reporting owner

WINSTON MARY A

Relationship: Director
Address: 2980 FAIRVIEW PARK DRIVE, FALLS CHURCH
Signature: /s/ Jennifer C. McGarey, Attorney-in-Fact
Signature date: 21 May 2026

Reported non-derivative transactions

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

NOC transaction

Common Stock

Award

Transaction value
Shares: +349
Change %: +28%
Price: $552.17^*
Shares after: 1,609
Date: 20 May 2026
Ownership: Direct
Footnotes: F1, F2

NOC holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 9
Date: 20 May 2026
Ownership: Held in IRA

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents shares of common stock deferred into a stock unit account pursuant to the Northrop Grumman 2024 Long-Term Incentive Stock Plan (the "Plan") in a transaction exempt pursuant to Rule 16b-3.

Footnote F2

Amount includes (i) 78 shares of common stock; and (ii) 1,540 shares of common stock, including dividends, held in a stock unit account pursuant to the 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.