诺斯罗普-格鲁曼 2026年季度报告

For the Quarterly Period Ended March 31, 2026 or ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 Commission File Number 1-16411 NORTHROP GRUMMAN CORPORATION (Exact name of registrant as specified in its charter) Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant (1)has filed all reports required to be filed by Section13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports),and (2)has been subject to such filing requirements for the past 90 days. Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that theregistrant was required to submit such files). Yes☒No☐Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act: Non-accelerated Filer☐Smaller Reporting Company☐ Emerging Growth Company☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐No☒ Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.As of April16, 2026, 142,033,476 shares of common stock were outstanding. Table of Contents TABLE OF CONTENTS PART I – FINANCIAL INFORMATION Item 1.Financial Statements (Unaudited)Condensed Consolidated Statements of Earnings and Comprehensive IncomeCondensed Consolidated Statements of Financial PositionCondensed Consolidated Statements of Cash FlowsCondensed Consolidated Statements of Changes in Shareholders’ EquityNotes to Condensed Consolidated Financial Statements1. Summary of Significant Accounting Policies2. Earnings Per Share, Share Repurchases and Dividends on Common Stock3. Inventoried Costs, Net4. Income Taxes5. Fair Value of Financial Instruments6. Investigations, Claims and Litigation7. Commitments and Contingencies8. Retirement Benefits9. Stock Compensation Plans and Other Compensation Arrangements10. Segment InformationReport of Independent Registered Public Accounting FirmItem 2.Management’s Discussion and Analysis of Financial Condition and Results of OperationsOverviewConsolidated Operating ResultsSegment Operating ResultsProduct and Service AnalysisBacklogLiquidity and Capital ResourcesCritical Accounting Policies, Estimates and JudgmentsAccounting Standards UpdatesForward-Looking Statements and ProjectionsItem 3.Quantitative and Qualitative Disclosures About Market RiskItem 4.Controls and Procedures PART II – OTHER INFORMATION Item 1.Legal ProceedingsItem1A.Risk FactorsItem 2.Unregistered Sales of Equity Securities and Use of ProceedsItem 5.Other InformationItem 6.ExhibitsSignatures PARTI. FINANCIAL INFORMATION NORTHROP GRUMMAN CORPORATION Table of Contents NORTHROP GRUMMAN CORPORATION NOTESTO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)1.SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Principles of Consolidation and ReportingThese unaudited condensed consolidated financial statements (the “financial statements”) include the accounts of Northrop Grumman Corporation and its subsidiaries and joint ventures or other investments for which we consolidate the financial results (herein referredto as “Northrop Grumman,” the “company,” “we,” “us,” or “our”). Intercompany accounts, transactions and profits are eliminated inconsolidation. Investments in equity securities and joint ventures where the company has significant influence, but not control, areaccounted for using the equity method. On May 24, 2025 (the “Divestiture date”), the company completed its previously announced sale of substantially all of the ImmersiveMission Solutions (IMS) operating unit of Defense Systems (the “training services” business or “divestiture”) for $333million in cashand recorded a pre-tax gain on sale of $231million. IMS is a provider of mission training and satellite ground networkcommunications software for U.S. government customers. 2025 operating results include sales and operating income for the trainingservices business prior to the Divestiture date. The financial statements are prepared in conformity with accounting principles generally accepted in the United States of America(“GAAP” or “FAS”) and in accordance with