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 150,109,271 shares and 153,157,924 shares were issued and outstanding as of December 31, 2023 and 2022, 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, 2023 and 2022.

MARKET INFORMATION

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

HOLDERS

As of January 22, 2024, there were 18,531 common shareholders of record.

PURCHASES OF EQUITY SECURITIES BY THE ISSUER AND AFFILIATED PURCHASERS

(1)Excludes commissions paid.

(2)The value remaining on December 31, 2023 includes an additional $2.5 billion share repurchase authorization approved by the company’s board of directors on December 6, 2023.

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 3 to the consolidated financial statements for further information on our share repurchase programs.

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NORTHROP GRUMMAN CORPORATION

STOCK PERFORMANCE GRAPH

Comparison of Cumulative Five Year Total Return

Among Northrop Grumman, the Standard & Poor’s (S&P) 500 Index and the S&P Aerospace & Defense (A&D) Index

• Assumes $100 invested at the close of business on December 31, 2018, in Northrop Grumman Corporation common stock, the S&P 500 Index and the S&P A&D Index.

• The cumulative total return assumes reinvestment of dividends.

• The S&P A&D Index is comprised of Axon Enterprise, Inc., The Boeing Company, General Dynamics Corporation, 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.