Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

COMMON STOCK

We have 800,000,000 shares authorized at a $1 par value per share, of which 141,997,194 shares and 144,952,026 shares were issued and outstanding as of December 31, 2025 and 2024, respectively.

PREFERRED STOCK

We have 10,000,000 shares authorized at a $1 par value per share, of which no shares were issued and outstanding as of December 31, 2025 and 2024.

MARKET INFORMATION

Our common stock is listed on the New York Stock Exchange and trades under the symbol NOC.

HOLDERS

As of January 22, 2026, there were 16,994 common shareholders of record.

PURCHASES OF EQUITY SECURITIES BY THE ISSUER AND AFFILIATED PURCHASERS

The table below summarizes our repurchases of common stock during the three months ended December 31, 2025.

(1)Excludes commissions paid and other costs of execution, including taxes.

(2)On December 11, 2024, the company’s board of directors authorized a new share repurchase program of up to an additional $3.0 billion in share repurchases of the company’s common stock. Repurchases under the program commenced in September 2025. All repurchases of common stock during the three months ended December 31, 2025 were made pursuant to this program. By its terms, the program will expire when the company has used all authorized funds for repurchases.

Share repurchases take place from time to time, subject to market and regulatory conditions and management’s discretion, in the open market or in privately negotiated transactions. The company retires its common stock upon repurchase and, in the periods presented, has not made any purchases of common stock other than in connection with these publicly announced repurchase programs.

See Note 2 to the consolidated financial statements for further information on our share repurchase programs.

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NORTHROP GRUMMAN CORPORATION

STOCK PERFORMANCE GRAPH

The following graph compares the cumulative total return, assuming reinvestment of dividends, over a five-year period of $100 invested at the close of business on December 31, 2020, in Northrop Grumman Stock, the Standard & Poor’s (S&P) 500 Index and the S&P Aerospace & Defense (A&D) Index.

Comparison of Cumulative Five Year Total Return

The S&P A&D Index is comprised of Axon Enterprise, Inc., The Boeing Company, General Dynamics Corporation, General Electric Company, Howmet Aerospace Inc., Huntington Ingalls Industries Inc., L3Harris Technologies, Inc., Lockheed Martin Corporation, Northrop Grumman Corporation, RTX Corporation, Textron Inc., and TransDigm Group Incorporated.

This graph is not deemed to be “filed” with the SEC or subject to the liabilities of Section 18 of the Securities Exchange Act of 1934 (the Exchange Act), and should not be deemed to be incorporated by reference into any of our prior or subsequent filings under the Securities Act of 1933 or the Exchange Act.