FORM 10-Q (Mark One)☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March29, 2026 or ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______ to ______ Commission file number: 1-11437 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) 52-1893632(I.R.S. Employer Identification No.) Maryland (State or other jurisdiction ofincorporation or organization) 6801 Rockledge Drive,Bethesda,Maryland20817(Address of principal executive offices)(Zip Code) (301) 897-6000(Registrant’s telephone number, including area code) Trading SymbolLMT Name of each exchange on which registeredNew York Stock Exchange Title of each classCommon Stock, $1 par value 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 90days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuantto Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrantwas 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 smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reportingcompany,” and “emerging growth company” in Rule 12b–2 of the Exchange Act. Large accelerated filer☒Accelerated filer☐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 Section13(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☒ There were 230,563,608 shares of our common stock, $1 par value per share, outstanding as of April20, 2026. Lockheed Martin CorporationForm 10-QFor the Quarterly Period Ended March29, 2026Table of Contents PART I.FINANCIAL INFORMATION ITEM1.Financial Statements (Unaudited)Consolidated Statements of Earnings for the Quarters Ended March 29, 2026 and March 30,20253Consolidated Statements of Comprehensive Income for the Quarters Ended Ended March 29,2026 and March 30, 20254Consolidated Balance Sheets as of March 29, 2026 and December31, 20255Consolidated Statements of Cash Flows for the Quarters Ended March 29, 2026 and March 30,20256Consolidated Statements of Equity for the Quarters Ended March 29, 2026 and March 30, 20257Notes to Consolidated Financial Statements8Report of Independent Registered Public Accounting Firm23ITEM2.Management’s Discussion and Analysis of Financial Condition and Results of Operations24ITEM3.Quantitative and Qualitative Disclosures About Market Risk34ITEM4.Controls and Procedures35 PART II.OTHER INFORMATION ITEM1.Legal Proceedings37ITEM1A.Risk Factors37ITEM2.Unregistered Sales of Equity Securities and Use of Proceeds38ITEM5.Other Information38ITEM6.Exhibits39 SIGNATURE PART I.FINANCIAL INFORMATION ITEM1. Financial Statements Lockheed Martin CorporationConsolidated Statements of Earnings(unaudited; in millions, except per share data) Lockheed Martin CorporationConsolidated Statements of Comprehensive Income(unaudited; in millions) Lockheed Martin CorporationConsolidated Statements of Equity(unaudited; in millions) Lockheed Martin CorporationNotes to Consolidated Financial Statements (unaudited) NOTE 1-BASIS OF PRESENTATION We prepared these consolidated financial statements in accordance with U.S. generally accepted accountingprinciples (GAAP) for interim financial information, the instructions to Form 10-Q and Article 10 of U.S. Securities andExchange Commission (SEC) Regulation S-X. Accordingly, they do not include all of the information and notes required byGAAP for complete financial statements. In the opinion of management, these consolidated financial statements reflect all adjustments that are of a normalrecurring nature necessary for a fair presentation of our results of operations, financial condition, and cash flows for theinterim periods presented. The preparation of these consolidated financial statements requires us to make estimates andassumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. We basethese estimates on historical experience and on various other assumptions that we believe are reasonable under thecircum