United States SECURITIES AND EXCHANGE COMMISSION LOCKHEED MARTIN CORPORATION Washington, D.C. 20549 Form 10-K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Maryland 52-1893632 6801 Rockledge Drive, Bethesda, Maryland 20817-1877 (301/897-6000) Securities registered pursuant to Section 12(b) of the Act: Title of Each Class Name of each exchange on which registered Securities registered pursuant to Section 12(g) of the Act: None For the fiscal year ended December 31, 2011 Commission file number 1-11437 (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) (Address and telephone number of principal executive offices) Common Stock, $1 par value New York Stock Exchange Portions of Lockheed Martin Corporation’s 2012 Definitive Proxy Statement are incorporated by reference in Part III of this Form 10-K. DOCUMENTS INCORPORATED BY REFERENCE Indicate the number of shares outstanding of each of the registrant’s classes of common stock, as of the latest practicable date. Common Stock, $1 par value, 325,105,500 shares outstanding as of January 31, 2012. Approximately $26.4 billion as of June 26, 2011. State the aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant’s most recently completed second fiscal quarter. Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes È No ‘ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes ‘ No È Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange 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 È No ‘ Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes È No ‘ Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K (§229.405 of this chapter) is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. È Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. Large accelerated filer È Accelerated filer ‘ Non-accelerated filer ‘ Smaller reporting company ‘ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12-b2 of the Exchange Act). Yes ‘ No È