LMT / Lockheed Martin Corporation - SEC-Einreichungen, Jahresbericht, Proxy Statement

Lockheed Martin Corporation
US ˙ NYSE ˙ US5398301094

Basisstatistiken
LEI DPRBOZP0K5RM2YE8UU08
CIK 936468
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Lockheed Martin Corporation
SEC Filings (Chronological Order)
Auf dieser Seite finden Sie eine vollständige, chronologische Liste der SEC-Einreichungen, mit Ausnahme der Eigentumseinreichungen, die wir an anderer Stelle bereitstellen.
May 27, 2026 EX-1.01

Lockheed Martin Corporation Conflict Minerals Report For the Year Ended December 31, 2025

Exhibit 1.01 Lockheed Martin Corporation Conflict Minerals Report For the Year Ended December 31, 2025 Introduction This Conflict Minerals Report (the “Report”) was prepared by Lockheed Martin Corporation (hereinafter referred to as the “Company,” “we,” “us,” or “our”) pursuant to Rule 13p-1 (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended. The term “Conflict Minerals

May 27, 2026 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (IRS Employer of incorporation) Identification No.) 6801 Rockledge Drive Bethesda, Maryland 20817 (Address of principal execu

May 13, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2026 LOCKHEED MARTIN CORP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 12, 2026 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (IRS

April 23, 2026 EX-10.2

PERFORMANCE STOCK UNIT AWARD AGREEMENT GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN FOR THE 2026 – 2028 PERFORMANCE PERIOD THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGIST

Exhibit 10.2 Award Date: February 25, 2026 PERFORMANCE STOCK UNIT AWARD AGREEMENT GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN FOR THE 2026 – 2028 PERFORMANCE PERIOD THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Performance Stock Unit (“PSUs”) A

April 23, 2026 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated April 23, 2026, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended March 29, 2026, in the following Registration Statements of Lockheed Martin Corporation: •333-92363 on Form S-8; •333-115357 on Form S-8; •333-155687 on Form S-8; •333-188118 on Form S-8; •333-195466 on Form S-8; •333-237829, 333-237831, and 333-237832 on Form S-8; •333-271323 on Form S-8; and •333-271325 on Form S-3.

April 23, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2026 LOCKHEED MARTIN CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2026 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (IR

April 23, 2026 EX-25.1

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. E

April 23, 2026 EX-24.1

POWER OF ATTORNEY LOCKHEED MARTIN CORPORATION

Exhibit 24.1 POWER OF ATTORNEY LOCKHEED MARTIN CORPORATION The undersigned hereby constitutes Kevin J. O’Connor, John E. Stevens and Lynda M. Noggle, and each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, including, but not limited to, that listed below,

April 23, 2026 EX-15.1

Acknowledgement of Independent Registered Public Accounting Firm

Exhibit 15.1 Acknowledgement of Independent Registered Public Accounting Firm April 23, 2026 Board of Directors Lockheed Martin Corporation We are aware of the incorporation by reference in the Registration Statement (Form S-3) and related Prospectus of Lockheed Martin Corporation for the registration of debt securities of our report dated April 23, 2026 relating to the unaudited consolidated inte

April 23, 2026 EX-99.1

Lockheed Martin Reports First Quarter 2026 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports First Quarter 2026 Financial Results •Orion capsule successfully completes historic mission around the moon •Lockheed Martin and Department of War sign multiyear framework agreements to increase munitions production •Sales of $18.0 billion •Net earnings of $1.5 billion, or $6.44 per share •Cash from operations of $220 million and free cash flow of

April 23, 2026 EX-10.1

RESTRICTED STOCK UNIT AWARD AGREEMENT (ANNUAL) GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT O

Exhibit 10.1 Award Date: February 25, 2026 RESTRICTED STOCK UNIT AWARD AGREEMENT (ANNUAL) GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Restricted Stock Units (“RSUs”) granted by Lockheed Martin Corpo

April 23, 2026 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-3 LOCKHEED MARTIN CORP Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt Debt Securities 457(r) 0.

April 23, 2026 EX-10.3

LOCKHEED MARTIN CORPORATION MANAGEMENT INCENTIVE COMPENSATION PLAN Effective January 1, 2021 Amended and Restated Effective January 1, 2026

Exhibit 10.3 LOCKHEED MARTIN CORPORATION MANAGEMENT INCENTIVE COMPENSATION PLAN Effective January 1, 2021 Amended and Restated Effective January 1, 2026 Article I. PURPOSE OF THE PLAN This Plan is established to provide a further incentive to selected Employees to promote the success of Lockheed Martin Corporation by providing an opportunity to receive additional compensation for performance measu

April 23, 2026 S-3ASR

As filed with the Securities and Exchange Commission on April 23, 2026

As filed with the Securities and Exchange Commission on April 23, 2026 Registration No.

April 23, 2026 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 March 29, 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

March 26, 2026 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Defin

March 26, 2026 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

March 26, 2026 ARS

ARS

2025 ANNUAL REPORT LOCKHEED MARTIN CORPORATIONFINANCIAL HIGHLIGHTS Net Sales $ 75,048 $ 71,043 $ 67,571 Consolidated Operating Profit 7,731 7,013 8,507 Segment Operating Profit 6,743 6,083 7,389 Net Earnings 5,017 5,336 6,920 Diluted Earnings Per Common Share 21.

January 29, 2026 EX-10.26

Amendment to Long-Term Incentive Performance and Performance Stock Unit Award Agreements (2023 - 2025 Performance Period) (effective December 12, 2025).

Exhibit 10.26 AMENDMENT TO CERTAIN OUTSTANDING LONG-TERM INCENTIVE PERFORMANCE AND PERFORMANCE STOCK UNIT AWARD AGREEMENTS UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN The Management Development and Compensation Committee (the “Committee”) of the Board of Directors of Lockheed Martin Corporation (the “Corporation”), as administrator of the Lockheed Martin Corporation

January 29, 2026 EX-24

Powers of Attorney.

Exhibit 24 POWER OF ATTORNEY LOCKHEED MARTIN CORPORATION The undersigned hereby constitutes Kevin J.

January 29, 2026 EX-10.43

Amendment No. 7 to Lockheed Martin Corporation Executive Severance Plan, as amended and restated effective December 1, 2016.

Exhibit 10.43 LOCKHEED MARTIN CORPORATION EXECUTIVE SEVERANCE PLAN (As Amended and Restated Effective December 1, 2016) Amendment No. 7 Lockheed Martin Corporation wishes to revise the Lockheed Martin Corporation Executive Severance Plan (the “Plan”) to reflect updated Post-Employment Conduct Agreements, effective as of the date this amendment is executed, as indicated below. 1. Exhibit A.1 of the

January 29, 2026 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 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

January 29, 2026 EX-10.7

Lockheed Martin Corporation Directors Deferred Compensation Plan

Exhibit 10.7 LOCKHEED MARTIN CORPORATION DIRECTORS DEFERRED COMPENSATION PLAN As Amended and Restated Effective October 1, 2024 ARTICLE I PURPOSE The purpose of this Plan is to give each non-employee Director of Lockheed Martin Corporation the opportunity to be compensated for his or her service as a Director on a deferred basis. The Plan is also intended to establish a method of paying Director c

January 29, 2026 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 29, 2026 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 29, 2026 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (

January 29, 2026 EX-10.10

2024 Amendment to the Lockheed Martin Corporation Amended and Restated Directors Equity Plan.

Exhibit 10.10 LOCKHEED MARTIN CORPORATION AMENDED AND RESTATED DIRECTORS EQUITY PLAN 2024 Amendment Conflict of Interest Distribution Changes The Board of Directors of Lockheed Martin Corporation (“Corporation”) wishes to amend the Lockheed Martin Corporation Amended and Restated Directors Equity Plan (“Plan”) to permit distributions upon a conflict of interest. Accordingly, the Plan is amended as

January 29, 2026 EX-10.19

Amendment No.4 to Lockheed Martin Corporation Deferred Management Incentive Compensation Plan, as amended and restated generally effective January 1, 2020.

Exhibit 10.19 LOCKHEED MARTIN CORPORATION DEFERRED MANAGEMENT INCENTIVE COMPENSATION PLAN (As Amended and Restated Generally Effective January 1, 2020) Amendment No. 4 Clarifying Changes Lockheed Martin Corporation wishes to revise the Lockheed Martin Corporation Deferred Management Incentive Compensation Plan (the “Plan”) to make certain clarifications. Accordingly, the Plan is amended as follows

January 29, 2026 EX-21

Subsidiaries of Lockheed Martin Corporation.

Exhibit 21 Subsidiaries of Lockheed Martin Corporation Name of Subsidiary Place of Formation Astrolink International, LLC Delaware Helicopter Support, Inc.

January 29, 2026 EX-99.1

Lockheed Martin Reports Fourth Quarter and Full Year 2025 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Fourth Quarter and Full Year 2025 Financial Results •2025 sales increased 6% to $75.0 billion •Net earnings of $5.0 billion, or $21.49 per share, in 2025, including a pension settlement charge of $479 million ($377 million, or $1.63 per share, after-tax) •Cash from operations of $8.6 billion and free cash flow of $6.9 billion in 2025 after a pensio

December 18, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 18, 2025 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 18, 2025 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number)

December 9, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 5, 2025 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 5, 2025 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction of incorporation) (Commiss

December 9, 2025 EX-10.1

$3,000,000,000 364-DAY REVOLVING CREDIT AGREEMENT dated as of December 5, 2025 LOCKHEED MARTIN CORPORATION, The LENDERS Listed Herein, JPMORGAN CHASE BANK, N.A., as Syndication Agent CITIBANK, N.A., CRÉDIT AGRICOLE CORPORATE AND INVESTMENT BANK, MIZU

EX-10.1 Exhibit 10.1 $3,000,000,000 364-DAY REVOLVING CREDIT AGREEMENT dated as of December 5, 2025 among LOCKHEED MARTIN CORPORATION, The LENDERS Listed Herein, JPMORGAN CHASE BANK, N.A., as Syndication Agent CITIBANK, N.A., CRÉDIT AGRICOLE CORPORATE AND INVESTMENT BANK, MIZUHO BANK, LTD. and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Documentation Agents, and BANK OF AMERICA, N.A., as Administra

October 21, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 21, 2025 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 21, 2025 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (

October 21, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 September 28, 2025 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 numbe

October 21, 2025 EX-99.1

Lockheed Martin Reports Third Quarter 2025 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Third Quarter 2025 Financial Results •Sales of $18.6 billion •Net earnings of $1.6 billion, or $6.95 per share •Cash from operations of $3.7 billion and free cash flow of $3.3 billion •Returned $1.8 billion of cash to shareholders through dividends and share repurchases •Increased share repurchase authority by $2 billion to a total authorization of

October 21, 2025 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated October 21, 2025, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended September 28, 2025, i

August 29, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 28, 2025 LOCKHEED MARTIN C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 28, 2025 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction of incorporation) (Commissi

August 29, 2025 EX-10.1

AMENDMENT NO. 2 TO CREDIT AGREEMENT

EX-10.1 Exhibit 10.1 Execution Version AMENDMENT NO. 2 TO CREDIT AGREEMENT This AMENDMENT NO. 2, dated as of August 28, 2025 (this “Amendment”), to the Revolving Credit Agreement, dated as of August 24, 2022 (as amended, supplemented, restated, extended or otherwise modified and in effect from time to time prior to the date hereof, the “Credit Agreement”), by and among Lockheed Martin Corporation,

July 28, 2025 EX-4.2

GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page)

Exhibit 4.2 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 CL1 LOCKHEED MARTIN CORPORATION 4.400% Note due 2030 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on August 15, 2030. Interest Payment Dates: February 15 a

July 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2025 LOCKHEED MARTIN COR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 28, 2025 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (IRS

July 28, 2025 EX-4.1

GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page)

Exhibit 4.1 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 CK3 LOCKHEED MARTIN CORPORATION 4.150% Note due 2028 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on August 15, 2028. Interest Payment Dates: February 15 a

July 28, 2025 EX-4.3

GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page)

Exhibit 4.3 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 CM9 LOCKHEED MARTIN CORPORATION 5.000% Note due 2035 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on August 15, 2035. Interest Payment Dates: February 15 a

July 28, 2025 EX-1.1

Lockheed Martin Corporation 4.150% Notes due 2028 4.400% Notes due 2030 5.000% Notes due 2035 Underwriting Agreement

Exhibit 1.1 Execution version Lockheed Martin Corporation 4.150% Notes due 2028 4.400% Notes due 2030 5.000% Notes due 2035 Underwriting Agreement July 23, 2025 Citigroup Global Markets Inc. Credit Agricole Securities (USA) Inc. J.P. Morgan Securities LLC As representatives of the several Underwriters named in Schedule I hereto c/o Citigroup Global Markets Inc. 388 Greenwich Street New York, New Y

July 24, 2025 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(2) (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee (1) Carry Forward Form Type Carry Forward File Number Carry Forward Initial effective date Filing Fee Previously Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to Be Paid Debt 4.

July 24, 2025 424B2

$2,000,000,000 $500,000,000 4.150% Notes due 2028 $750,000,000 4.400% Notes due 2030 $750,000,000 5.000% Notes due 2035

Filed Pursuant to Rule 424(b)(2) Registration No. 333-271325 Prospectus Supplement to Prospectus dated April 18, 2023 $2,000,000,000 $500,000,000 4.150% Notes due 2028 $750,000,000 4.400% Notes due 2030 $750,000,000 5.000% Notes due 2035 We are offering $500,000,000 aggregate principal amount of our 4.150% Notes due 2028 (the “2028 notes”), $750,000,000 aggregate principal amount of our 4.400% Not

July 23, 2025 FWP

Lockheed Martin Corporation Pricing Term Sheet July 23, 2025 4.150% Notes due 2028 4.400% Notes due 2030 5.000% Notes due 2035 Issuer: Lockheed Martin Corporation Security Type: Senior Unsecured Trade Date: July 23, 2025 Settlement Date (T+3)*: July

FWP Filed Pursuant to Rule 433 Free Writing Prospectus dated July 23, 2025 Relating to Preliminary Prospectus Supplement dated July 23, 2025 and Prospectus dated April 18, 2023 Registration No.

July 23, 2025 424B5

Subject to Completion, dated July 23, 2025

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-271325 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell or a solicitation of an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Subject t

July 22, 2025 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated July 22, 2025, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended June 29, 2025, in the following Registration Statements of Lockheed Martin Corporation: •333-92363 on Form S-8, dated December 8, 1999; •333-115357 on Form S-8, dated May 10, 2004; •333-155687 on Form S-8, dated November 25, 2008; •333-188118 on Form S-8, dated April 25, 2013; •333-195466 on Form S-8, dated April 24, 2014, July 23, 2014 (Post-Effective Amendment No.

July 22, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 June 29, 2025 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-

July 22, 2025 EX-10.1

Amendment No. 6 to Lockheed Martin Corporation Executive Severance Plan, as amended and restated effective December 1, 2016

Exhibit 10.1 LOCKHEED MARTIN CORPORATION EXECUTIVE SEVERANCE PLAN (As Amended and Restated Effective December 1, 2016) Amendment No. 6 Lockheed Martin Corporation wishes to revise the Lockheed Martin Corporation Executive Severance Plan (the “Plan”) to reflect updated Post-Employment Conduct Agreements, effective as of the date this amendment is executed, as indicated below. 1. Exhibit A.1 of the

July 22, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 22, 2025 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (IRS

July 22, 2025 EX-99.1

Lockheed Martin Reports Second Quarter 2025 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Second Quarter 2025 Financial Results •Sales of $18.2 billion •Recorded pre-tax losses on programs of $1.6 billion and other charges of $169 million, which impacted earnings per share by $5.83 •Net earnings of $342 million, or $1.46 per share, including impacts of program losses and other charges •Cash from operations of $201 million and free cash

June 24, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2024 ☐ Transition report pursu

June 24, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2024 ☐ Transition report pursu

June 24, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2024 ☐ Transition report pursu

June 24, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2024 ☐ Transition report pursu

May 28, 2025 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form.

Exhibit 1.01 Lockheed Martin Corporation Conflict Minerals Report For the Year Ended December 31, 2024 Introduction This Conflict Minerals Report (the “Report”) was prepared by Lockheed Martin Corporation (hereinafter referred to as the “Company,” “we,” “us,” or “our”) pursuant to Rule 13p-1 (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended. The term “Conflict Minerals

May 28, 2025 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 (State or other jurisdiction (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 (State or other jurisdiction (Commission file number) of incorporation) 6801 Rockledge Drive Bethesda, Maryland 20817 (Address of principal executive offices) (Zip Code) H. Edward Paul III,

May 9, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2025 LOCKHEED MARTIN CORPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 9, 2025 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (IRS E

May 8, 2025 PX14A6G

Notice of Exempt Solicitation Pursuant to Rule 14a-103 | May 8, 2025

Notice of Exempt Solicitation Pursuant to Rule 14a-103 | May 8, 2025 Name of Registrant: Lockheed Martin Name of person relying on exemption: Bowyer Research Address of person relying on exemption: P.

April 22, 2025 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 March 30, 2025 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

April 22, 2025 EX-10.2

Form of Performance Stock Unit Award Agreement (2025 - 2027 Performance Period) under the Lockheed Martin Corporation 2020 Incentive Performance Award Plan

Exhibit 10.2 Award Date: February 26, 2025 PERFORMANCE STOCK UNIT AWARD AGREEMENT GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN FOR THE 2025 – 2027 PERFORMANCE PERIOD THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Performance Stock Unit (“PSUs”) A

April 22, 2025 EX-10.4

Form of Installment Restricted Stock Unit Award Agreement under the Lockheed Martin Corporation 2020 Incentive Performance Award Plan

Exhibit 10.4 Award Date: February 26, 2025 RESTRICTED STOCK UNIT AWARD AGREEMENT (INSTALLMENT) GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Restricted Stock Units (“RSUs”) granted by Lockheed Martin

April 22, 2025 EX-10.1

Form of 2025 Annual Restricted Stock Unit Award Agreement under the Lockheed Martin Corporation 2020 Incentive Performance Award Plan

Exhibit 10.1 Award Date: February 26, 2025 RESTRICTED STOCK UNIT AWARD AGREEMENT (ANNUAL) GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Restricted Stock Units (“RSUs”) granted by Lockheed Martin Corpo

April 22, 2025 EX-99.1

Lockheed Martin Reports First Quarter 2025 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports First Quarter 2025 Financial Results •Sales increased 4% to $18.0 billion •Net earnings of $1.7 billion, or $7.28 per share •Cash from operations of $1.4 billion and free cash flow of $955 million •Returned $1.5 billion of cash to shareholders through dividends and share repurchases •Reaffirms 2025 financial outlook BETHESDA, Md., April 22, 2025 –

April 22, 2025 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated April 22, 2025, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended March 30, 2025, in the following Registration Statements of Lockheed Martin Corporation: •333-92363 on Form S-8, dated December 8, 1999; •333-115357 on Form S-8, dated May 10, 2004; •333-155687 on Form S-8, dated November 25, 2008; •333-188118 on Form S-8, dated April 25, 2013; •333-195466 on Form S-8, dated April 24, 2014, July 23, 2014 (Post-Effective Amendment No.

April 22, 2025 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 22, 2025 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (IR

April 22, 2025 EX-10.3

Form of Long Term Incentive Performance Award Agreement (2025 - 2027 Performance Period) under the Lockheed Martin Corporation 2020 Incentive Performance Award Plan

Exhibit 10.3 Award Date: February 26, 2025 LONG-TERM INCENTIVE PERFORMANCE AWARD AGREEMENT GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN FOR THE 2025 – 2027 PERFORMANCE PERIOD THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Long-Term Incentive Perf

April 17, 2025 EX-99.1

Lockheed Martin Announces Chief Financial Officer Transition Evan Scott, 26-year Company Veteran, Appointed by the Board as the new CFO Jesus “Jay” Malave to pursue other opportunities

Exhibit 99.1 News Release Lockheed Martin Announces Chief Financial Officer Transition Evan Scott, 26-year Company Veteran, Appointed by the Board as the new CFO Jesus “Jay” Malave to pursue other opportunities BETHESDA, Md., April 17, 2025 – Lockheed Martin (NYSE: LMT) has named Evan Scott as the company’s chief financial officer (CFO) succeeding Jesus “Jay” Malave, who advised the company that h

April 17, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 16, 2025 LOCKHEED MARTIN CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 16, 2025 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (IR

April 8, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

April 4, 2025 PX14A6G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 NOTICE OF EXEMPT SOLICITATION Submitted Pursuant to Rule 14a-6(g)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 NOTICE OF EXEMPT SOLICITATION Submitted Pursuant to Rule 14a-6(g) NAME OF REGISTRANT: Lockheed Martin Corporation NAME OF PERSONS RELYING ON EXEMPTION: The Anti-Defamation League & JLens ADDRESS OF PERSON RELYING ON EXEMPTION: 605 3rd Ave, New York, NY 10158 WRITTEN MATERIALS: The following written material is attached – Proxy

March 27, 2025 ARS

ARS

2024 ANNUAL REPORT LOCKHEED MARTIN CORPORATIONFINANCIAL HIGHLIGHTS Net Sales $ 71,043 $ 67,571 $ 65,984 Consolidated Operating Profit 7,013 8,507 8,348 Segment Operating Profit 6,083 7,389 7,467 Net Earnings 5,336 6,920 5,732 Diluted Earnings Per Common Share Net Earnings 22.

March 27, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Defin

March 27, 2025 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

January 28, 2025 EX-99.1

Lockheed Martin Reports Fourth Quarter and Full Year 2024 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Fourth Quarter and Full Year 2024 Financial Results •2024 net sales increased 5% to $71.0 billion •Recorded pre-tax losses of $1.7 billion and $2.0 billion associated with classified programs in the fourth quarter and full year, which impacted earnings per share by $5.45 and $6.16 •Earnings per share of $2.22 in the fourth quarter and $22.31 in 202

January 28, 2025 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 28, 2025 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 28, 2025 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (

January 28, 2025 EX-24

Powers of Attorney.

Exhibit 24 POWER OF ATTORNEY LOCKHEED MARTIN CORPORATION The undersigned hereby constitutes Kevin J.

January 28, 2025 EX-21

Subsidiaries of Lockheed Martin Corporation.

Exhibit 21 Subsidiaries of Lockheed Martin Corporation Name of Subsidiary Place of Formation Astrolink International, LLC Delaware Helicopter Support, Inc.

January 28, 2025 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 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

January 28, 2025 EX-19

Policy on Compliance with United States Securities Laws.

Exhibit 19 Compliance with United States Securities Laws Disclosure of Material, Nonpublic Information Insider Trading Specific Transactions under Lockheed Martin Sponsored Plans Post-Termination Transactions Additional Prohibited Transactions Directors and Section 16 Officers Transactions by Family Members or Controlled Entities Company Assistance Violations Legal Effect of this Policy General Applicability Statement 1.

January 28, 2025 EX-10.29

Amendment to Outstanding Long-Term Incentive Performance and Performance Stock Unit Award Agreements (effective December 13, 2024).

Exhibit 10.29 AMENDMENT TO CERTAIN OUTSTANDING LONG-TERM INCENTIVE PERFORMANCE AND PERFORMANCE STOCK UNIT AWARD AGREEMENTS UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN The Management Development and Compensation Committee (the “Committee”) of the Board of Directors of Lockheed Martin Corporation (the “Corporation”), as administrator of the Lockheed Martin Corporation

December 11, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 11, 2024 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 11, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number)

December 11, 2024 EX-10.1

2024 Amendment to Lockheed Martin Corporation Amended and Restated Directors Equity Plan

Exhibit 10.1 LOCKHEED MARTIN CORPORATION AMENDED AND RESTATED DIRECTORS EQUITY PLAN 2024 Amendment Conflict of Interest Distribution Changes The Board of Directors of Lockheed Martin Corporation (“Corporation”) wishes to amend the Lockheed Martin Corporation Amended and Restated Directors Equity Plan (“Plan”) to permit distributions upon a conflict of interest. Accordingly, the Plan is amended as

December 11, 2024 EX-99.1

Lockheed Martin Elects John C. Aquilino to Board of Directors

Exhibit 99.1 News Release   Lockheed Martin Elects John C. Aquilino to Board of Directors BETHESDA, Md., Dec. 11, 2024 – Lockheed Martin (NYSE: LMT) today announced its board of directors has elected Admiral John C. Aquilino, former commander of the United States Indo-Pacific Command, to the board, effective today. “Admiral Aquilino’s service to the nation and extensive experience in complex, glob

December 11, 2024 EX-4.1

00% Notes due 20

Exhibit 4.1 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 CG2 LOCKHEED MARTIN CORPORATION 4.700% Note due 2031 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on December 15, 2031. Interest Payment Dates: June 15 and

December 11, 2024 EX-10.2

as Amended and Restated Effective October 1, 2024

Exhibit 10.2 LOCKHEED MARTIN CORPORATION DIRECTORS DEFERRED COMPENSATION PLAN As Amended and Restated Effective October 1, 2024 ARTICLE I PURPOSE The purpose of this Plan is to give each non-employee Director of Lockheed Martin Corporation the opportunity to be compensated for his or her service as a Director on a deferred basis. The Plan is also intended to establish a method of paying Director c

December 11, 2024 EX-1.1

Underwriting Agreement, dated December 4, 2024, by and among Lockheed Martin Corporation and Wells Fargo Securities, LLC, BofA Securities, Inc. and Goldman Sachs & Co. LLC, as representatives of the several underwriters named in Schedule I thereto

Exhibit 1.1 Execution Version Lockheed Martin Corporation 4.700% Notes due 2031 5.200% Notes due 2055 Underwriting Agreement December 4, 2024 Wells Fargo Securities, LLC BofA Securities, Inc. Goldman Sachs & Co. LLC As representatives of the several Underwriters named in Schedule I hereto c/o Wells Fargo Securities, LLC 550 South Tryon Street, 5th Floor Charlotte, North Carolina 28202 c/o BofA Sec

December 11, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 11, 2024 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 11, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number)

December 11, 2024 EX-4.2

00% Notes due 20

Exhibit 4.2 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 CB3 LOCKHEED MARTIN CORPORATION 5.200% Note due 2055 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on February 15, 2055. Interest Payment Dates: February 15

December 5, 2024 424B2

$1,000,000,000 $600,000,000 4.700% Notes due 2031 $400,000,000 5.200% Notes due 2055

424B2 1 d867260d424b2.htm 424B2 Filed Pursuant to Rule 424(b)(2) Registration No. 333-271325 Prospectus Supplement to Prospectus dated April 18, 2023 $1,000,000,000 $600,000,000 4.700% Notes due 2031 $400,000,000 5.200% Notes due 2055 We are offering $600,000,000 aggregate principal amount of our 4.700% Notes due 2031 (the “2031 notes”) and $400,000,000 aggregate principal amount of our 5.200% Not

December 5, 2024 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(2) (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security  Type  Security Class Title Fee  Calculation  or Carry  Forward  Rule  Amount  Registered  Proposed  Maximum  Offering  Price Per  Unit  Maximum  Aggregate  Offering  Price  Fee  Rate  Amount of  Registration  Fee  Carry  Forward  Form  Type  Carry  Forward  File  Number  Carry  Forward  Initial  effective  date  Filing Fee  Previously  Paid In  Connection  with Unsold  Securities to  be Carried  Forward  Newly Registered Securities Fees to Be   Paid   Debt 4.

December 4, 2024 424B5

Subject to Completion, dated December 4, 2024

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-271325 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell or a solicitation of an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Subject to Comp

December 4, 2024 FWP

Lockheed Martin Corporation Pricing Term Sheet December 4, 2024 4.700% Notes due 2031 5.200% Notes due 2055 (the “2055 Notes”) Issuer: Lockheed Martin Corporation Security Type: Senior Unsecured Trade Date: December 4, 2024 Settlement Date (T+5)*: De

Filed Pursuant to Rule 433 Free Writing Prospectus dated December 4, 2024 Relating to Preliminary Prospectus Supplement dated December 4, 2024 and Prospectus dated April 18, 2023 Registration No.

November 13, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 13, 2024 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 13, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number)

November 1, 2024 SC 13D/A

LLAP / Terran Orbital Corporation / LOCKHEED MARTIN CORP Activist Investment

SC 13D/A 1 lockheed.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 7)* TERRAN ORBITAL CORPORATION (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 88105P103 (CUSIP Number) John E. Stevens c/o Lockheed Martin Corporation 6801 Rockledge Drive Bethesda, MD 20817

October 22, 2024 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated October 22, 2024, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended September 29, 2024, i

October 22, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2024 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 22, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (

October 22, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 September 29, 2024 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 numbe

October 22, 2024 EX-99.1

Lockheed Martin Reports Third Quarter 2024 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Third Quarter 2024 Financial Results •Net sales of $17.1 billion, an increase of 1% year over year •Net earnings of $1.6 billion, or $6.80 per share •Cash from operations of $2.4 billion and free cash flow of $2.1 billion •$1.6 billion of cash returned to shareholders through dividends and share repurchases •Increased share repurchase authority by

August 27, 2024 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 23, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (I

August 27, 2024 EX-10.1

Amendment No.1 to Credit Agreement, by and among Lockheed Martin Corporation, the lenders listed therein, and Bank of America, N.A., as administrative agent (incorporated by reference to Exhibit 10.1 to Lockheed Martin Corporation’s Current Report on Form 8-K filed with the SEC on August 23, 2024).

Exhibit 10.1 AMENDMENT NO. 1 TO CREDIT AGREEMENT This AMENDMENT NO. 1, dated as of August 23, 2024 (this “Amendment”), to the Revolving Credit Agreement, dated as of August 24, 2022 (as amended, supplemented, restated, extended or otherwise modified and in effect from time to time prior to the date hereof, the “Credit Agreement”), by and among Lockheed Martin Corporation, a Maryland corporation, (

August 16, 2024 EX-99.10

Form of Voting and Support Agreement for Institutions

EX-99.10 4 exhibit9910-formofvotingan.htm EX-99.10 Exhibit 99.10 VOTING AND SUPPORT AGREEMENT THIS VOTING AND SUPPORT AGREEMENT (this “Agreement”) is entered into as of August 15, 2024, by and between Lockheed Martin Corporation, a Maryland corporation (“Buyer”), and the stockholders of the Company listed on the signature page hereto (each, a “Stockholder”). RECITALS WHEREAS, Stockholder is a hold

August 16, 2024 EX-99.8

ian Merger Sub, Inc., and Terran Orbital Corporation

EX-99.8 2 exhibit998-agreementandpla.htm EX-99.8 Exhibit 99.8 AGREEMENT AND PLAN OF MERGER Dated as of the 15th day of August 2024, Among LOCKHEED MARTIN CORPORATION, THOLIAN MERGER SUB, INC., and TERRAN ORBITAL CORPORATION TABLE OF CONTENTS Page ARTICLE I The Merger SECTION 1.01. The Merger 2 SECTION 1.02. Closing 2 SECTION 1.03. Effective Time 2 SECTION 1.04. Effects of the Merger 2 SECTION 1.05

August 16, 2024 EX-99.9

VOTING AND SUPPORT AGREEMENT

EX-99.9 3 exhibit999-formofvotingand.htm EX-99.9 Exhibit 99.9 VOTING AND SUPPORT AGREEMENT THIS VOTING AND SUPPORT AGREEMENT (this “Agreement”) is entered into as of August 15, 2024, by and between Lockheed Martin Corporation, a Maryland corporation (“Buyer”), and the stockholders of the Company listed on the signature page hereto (each, a “Stockholder”). RECITALS WHEREAS, Stockholder is a holder

August 16, 2024 SC 13D/A

LLAP / Terran Orbital Corporation / LOCKHEED MARTIN CORP - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

July 23, 2024 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 23, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (IRS

July 23, 2024 EX-99.1

Lockheed Martin Reports Second Quarter 2024 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Second Quarter 2024 Financial Results •Net sales of $18.1 billion, an increase of 9% year over year •Net earnings of $1.6 billion, or $6.85 per share, inclusive of net non-operational charges of $79 million ($63 million, or $0.26 per share, after-tax) •Cash from operations of $1.9 billion and free cash flow of $1.5 billion •$1.6 billion of cash ret

July 23, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 June 30, 2024 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-

July 23, 2024 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated July 23, 2024, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended June 30, 2024, in the following Registration Statements of Lockheed Martin Corporation: •333-92363 on Form S-8, dated December 8, 1999; •333-115357 on Form S-8, dated May 10, 2004; •333-155687 on Form S-8, dated November 25, 2008; •333-188118 on Form S-8, dated April 25, 2013; •333-195466 on Form S-8, dated April 24, 2014, July 23, 2014 (Post-Effective Amendment No.

July 19, 2024 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 19, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (IRS

July 19, 2024 EX-99.1

F-35 TR-3 Deliveries Begin

Exhibit 99.1 F-35 TR-3 Deliveries Begin WASHINGTON (July 19, 2024) – The F-35 Joint Program Office (JPO) and Lockheed Martin, the prime contractor for the F-35 Lightning II, announced that deliveries of the first Technology Refresh-3 (TR-3) configured F-35 aircraft began today. Two F-35A Lightning II aircraft were delivered, one to Dannelly Field, Alabama, and one to Nellis Air Force Base, Nevada.

June 24, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2023 ☐ Transition report pursu

June 24, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2023 ☐ Transition report pursu

June 24, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2023 ☐ Transition report pursu

June 24, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2023 ☐ Transition report pursu

May 29, 2024 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 (State or other jurisdiction (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 (State or other jurisdiction (Commission file number) of incorporation) 6801 Rockledge Drive Bethesda, Maryland 20817 (Address of principal executive offices) (Zip Code) H. Edward Paul III,

May 29, 2024 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form.

Exhibit 1.01 Lockheed Martin Corporation Conflict Minerals Report For the Year Ended December 31, 2023 Introduction This Conflict Minerals Report (the “Report”) was prepared by Lockheed Martin Corporation (hereinafter referred to as the “Company,” “we,” “us,” or “our”) pursuant to Rule 13p-1 (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended. The term “Conflict Minerals

May 24, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 21, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (IRS

May 22, 2024 EX-99.1

Lockheed Martin Elects Heather Wilson to Board of Directors

Exhibit 99.1 News Release Lockheed Martin Elects Heather Wilson to Board of Directors   BETHESDA, Md., May 22, 2024 – Lockheed Martin (NYSE: LMT) today announced its board of directors has elected Dr. Heather Wilson to the board, effective today.   “Dr. Wilson’s deep knowledge of our industry and extensive leadership experience will be a tremendous asset to our company as we continue to drive inno

May 22, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 21, 2024 LOCKHEED MARTIN CORP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 21, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (IRS

May 3, 2024 8-K

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 2, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (IRS E

May 2, 2024 SC 13D/A

LLAP / Terran Orbital Corporation / LOCKHEED MARTIN CORP - SC 13D/A Activist Investment

SC 13D/A 1 lmtschedule13da-terranorbi.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)* TERRAN ORBITAL CORPORATION (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 88105P103 (CUSIP Number) John E. Stevens c/o Lockheed Martin Corporation 6801 Rockledge

April 23, 2024 EX-10.3

Form of Long Term Incentive Performance Award Agreement (2024 - 2026 Performance Period) under the Lockheed Martin Corporation 2020 Incentive Performance Award Plan

Exhibit 10.3 Award Date: February 22, 2024 LONG-TERM INCENTIVE PERFORMANCE AWARD AGREEMENT GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN FOR THE 2024 – 2026 PERFORMANCE PERIOD THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Long-Term Incentive Perf

April 23, 2024 EX-10.2

Form of Performance Stock Unit Award Agreement (2024 - 2026 Performance Period) under the Lockheed Martin Corporation 2020 Incentive Performance Award Plan

Exhibit 10.2 Award Date: February 22, 2024 PERFORMANCE STOCK UNIT AWARD AGREEMENT GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN FOR THE 2024 – 2026 PERFORMANCE PERIOD THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Performance Stock Unit (“PSUs”) A

April 23, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2024 LOCKHEED MARTIN CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (IR

April 23, 2024 EX-10.1

Form of 2024 Annual Restricted Stock Unit Award Agreement under the Lockheed Martin Corporation 2020 Incentive Performance Award Plan

Exhibit 10.1 Award Date: February 22, 2024 RESTRICTED STOCK UNIT AWARD AGREEMENT (ANNUAL) GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Restricted Stock Units (“RSUs”) granted by Lockheed Martin Corpo

April 23, 2024 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated April 23, 2024, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended March 31, 2024, in the following Registration Statements of Lockheed Martin Corporation: •333-92363 on Form S-8, dated December 8, 1999; •333-115357 on Form S-8, dated May 10, 2004; •333-155687 on Form S-8, dated November 25, 2008; •333-188118 on Form S-8, dated April 25, 2013; •333-195466 on Form S-8, dated April 24, 2014, July 23, 2014 (Post-Effective Amendment No.

April 23, 2024 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 March 31, 2024 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

April 23, 2024 EX-99.1

Lockheed Martin Reports First Quarter 2024 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports First Quarter 2024 Financial Results •Net sales of $17.2 billion •Net earnings of $1.5 billion, or $6.39 per share •Cash from operations of $1.6 billion and free cash flow of $1.3 billion •$1.8 billion of cash returned to shareholders through dividends and share repurchases •Reaffirms 2024 financial outlook BETHESDA, Md., April 23, 2024 – Lockheed

April 19, 2024 PX14A6G

United States Securities and Exchange Commission Washington, D.C. 20549 Notice of Exempt Solicitation Pursuant to Rule 14a-103

United States Securities and Exchange Commission Washington, D.C. 20549 Notice of Exempt Solicitation Pursuant to Rule 14a-103 Name of the Registrant: Lockheed Martin Corporation Name of persons relying on exemption: Sisters of St. Francis of Philadelphia Address of persons relying on exemption: Investor Advocates for Social Justice, 40 S Fullerton Ave Montclair, NJ 07042. Written materials are su

April 12, 2024 LETTER

LETTER

United States securities and exchange commission logo April 12, 2024 Jesus Malave Chief Financial Officer Lockheed Martin Corp.

April 11, 2024 PX14A6G

NOTICE OF EXEMPT SOLICITATION SUBMITTED BY NON-MANAGEMENT

NOTICE OF EXEMPT SOLICITATION SUBMITTED BY NON-MANAGEMENT U.S. Securities and Exchange Commission Washington, DC 20549 Notice of Exempt Solicitation under Rule 14a-103 Name of Registrant: The Lockheed Martin Corporation Name of person relying on exemption: Bowyer Research Address of person relying on exemption: P.O. Box 120, McKeesport PA 15135 Vote NO: Proposal 4 – Humanitarian Crises Bowyer Rese

April 10, 2024 PX14A6G

Lockheed Martin Corp (LMT) Vote Yes: Item #5 – Requesting a Report on Reducing Full Value Chain GHG Emissions Annual Meeting: May 2, 2024

Main Post Office, P.O. Box 751 www.asyousow.org Berkeley, CA 94704 BUILDING A SAFE, JUST, AND SUSTAINABLE WORLD SINCE 1992 Notice of Exempt Solicitation Pursuant to Rule 14a-103 Name of the Registrant: Lockheed Martin Corp (LMT) Name of persons relying on exemption: As You Sow® Address of persons relying on exemption: Main Post Office, P.O. Box 751, Berkeley, CA 94704 Written materials are submitt

April 9, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

April 9, 2024 CORRESP

* * * * *

Lockheed Martin Corporation 6801 Rockledge Drive Bethesda, MD 20817 April 9, 2024 Via EDGAR Division of Corporation Finance Office of Manufacturing United States Securities and Exchange Commission 100 F Street, N.

March 28, 2024 LETTER

LETTER

United States securities and exchange commission logo March 28, 2024 Jesus Malave Chief Financial Officer Lockheed Martin Corp.

March 25, 2024 DEFR14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) ☑ Filed by the Registrant ☐ Filed by a Party other than the Regist

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Defi

March 15, 2024 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

March 15, 2024 ARS

ARS 2023 ANNUAL REPORT

FINANCIAL HIGHLIGHTS Net Sales $ 67,571 $ 65,984 $ 67,044 Consolidated Operating Profit 8,507 8,348 9,123 Segment Operating Profit 7,389 7,467 7,664 Net Earnings 6,920 5,732 6,315 Diluted Earnings Per Common Share Net Earnings 27.

March 15, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Defin

March 1, 2024 EX-99.7

Proposal Letter, dated March 1, 2024

EX-99.7 2 exhibit997.htm EX-99.7 Exhibit 99.7 March 1, 2024 Jefferies LLC 520 Madison Avenue New York, NY 10022 Attention: Jeff McGrath, Greg Valentine Re: Non-binding Proposal in Response to Process Letter Ladies and Gentlemen: Pursuant to the process letter dated February 14, 2024, Lockheed Martin Corporation (“Lockheed Martin”) is pleased to submit to you a non-binding proposal to acquire all t

March 1, 2024 SC 13D/A

LLAP / Terran Orbital Corporation / LOCKHEED MARTIN CORP - SC 13D/A Activist Investment

SC 13D/A 1 lmtschedule13da-terranorbi.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* TERRAN ORBITAL CORPORATION (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 88105P103 (CUSIP Number) John E. Stevens c/o Lockheed Martin Corporation 6801 Rockledge

February 13, 2024 SC 13G/A

LMT / Lockheed Martin Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01364-lockheedmartincorp.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 8)* Name of issuer: Lockheed Martin Corp Title of Class of Securities: Common Stock CUSIP Number: 539830109 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to desi

January 30, 2024 SC 13G/A

LMT / Lockheed Martin Corporation / STATE STREET CORP Passive Investment

SC 13G/A 1 LockheedMartinCorp.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 AMENDED FILING LOCKHEED MARTIN CORP (NAME OF ISSUER) COMMON STOCK (TITLE OF CLASS OF SECURITIES) 539830109 (CUSIP NUMBER) 12/31/2023 (DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT) CHECK THE APPROPRIATE BOX TO DESIGNATE THE RULE PU

January 29, 2024 EX-4.3

Form of 5.200% Notes due 2064

Exhibit 4.3 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 CE7 LOCKHEED MARTIN CORPORATION 5.200% Note due 2064 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on February 15, 2064. Interest Payment Dates: February 15

January 29, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 29, 2024 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 29, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (

January 29, 2024 EX-4.2

% Notes due 20

Exhibit 4.2 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 CD9 LOCKHEED MARTIN CORPORATION 4.800% Note due 2034 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on August 15, 2034. Interest Payment Dates: February 15 a

January 29, 2024 EX-4.1

% Notes due 20

Exhibit 4.1 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 CC1 LOCKHEED MARTIN CORPORATION 4.500% Note due 2029 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on February 15, 2029. Interest Payment Dates: February 15

January 29, 2024 EX-1.1

, as representatives of the several underwriters named in Schedule I thereto

Exhibit 1.1 Execution Version Lockheed Martin Corporation 4.500% Notes due 2029 4.800% Notes due 2034 5.200% Notes due 2064 Underwriting Agreement January 25, 2024 Morgan Stanley & Co. LLC Mizuho Securities USA LLC SMBC Nikko Securities America, Inc. As representatives of the several Underwriters named in Schedule I hereto c/o Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 c/o Miz

January 26, 2024 SC 13G/A

LMT / Lockheed Martin Corporation / BlackRock Inc. Passive Investment

SC 13G/A 1 us5398301094012624.txt us5398301094012624.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 10) LOCKHEED MARTIN CORPORATION - (Name of Issuer) Common Stock - (Title of Class of Securities) 539830109 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appro

January 26, 2024 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(2) (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial effective date Filing Fee Previously Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to Be Paid Debt 4.

January 26, 2024 424B2

$2,000,000,000 $650,000,000 4.500% Notes due 2029 $600,000,000 4.800% Notes due 2034 $750,000,000 5.200% Notes due 2064

Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-271325 Prospectus Supplement to Prospectus dated April 18, 2023 $2,000,000,000 $650,000,000 4.500% Notes due 2029 $600,000,000 4.800% Notes due 2034 $750,000,000 5.200% Notes due 2064 We are offering $650,000,000 aggregate principal amount of our 4.500% Notes due 2029 (the “2029 notes”), $600,000,000 aggregate principal amount

January 25, 2024 424B5

Subject to Completion, dated January 25, 2024

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-271325 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell or a solicitation of an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Subject to Comp

January 25, 2024 FWP

Lockheed Martin Corporation Pricing Term Sheet January 25, 2024 4.500% Notes due 2029 4.800% Notes due 2034 5.200% Notes due 2064 Issuer: Lockheed Martin Corporation Security Type: Senior Unsecured Trade Date: January 25, 2024 Settlement Date (T+2):

Filed Pursuant to Rule 433 Free Writing Prospectus dated January 25, 2024 Relating to Preliminary Prospectus Supplement dated January 25, 2024 and Prospectus dated April 18, 2023 Registration No.

January 23, 2024 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 23, 2024 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 23, 2024 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (

January 23, 2024 EX-24

Powers of Attorney.

Exhibit 24 POWER OF ATTORNEY LOCKHEED MARTIN CORPORATION The undersigned hereby constitutes Maryanne R.

January 23, 2024 EX-99.1

Lockheed Martin Reports Fourth Quarter and Full Year 2023 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Fourth Quarter and Full Year 2023 Financial Results •Net sales of $18.9 billion in the fourth quarter and $67.6 billion in 2023 •Net earnings of $1.9 billion, or $7.58 per share in the fourth quarter; $6.9 billion, or $27.55 per share in 2023 •Cash from operations of $2.4 billion and free cash flow of $1.7 billion in the fourth quarter; cash from o

January 23, 2024 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 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

January 23, 2024 EX-97

Recovery of Incentive-Based Compensation from Executive Officers in Event of Accounting Restatement.

Exhibit 97 Corporate Headquarters Corporate Policy Statement CPS-511 Revision: Original Effective: October 2, 2023 Copyright 2023 Lockheed Martin Corporation Current policies and procedures are on the Lockheed Martin Intranet Recovery of Incentive-Based Compensation from Executive Officers in Event of Accounting Restatement Administration Recoupment of Erroneously Awarded Compensation Reporting and Disclosure Indemnification Prohibition Interpretation Amendment or Termination Other Recoupment Rights and No Additional Payments Successors General Applicability Statement 1.

January 23, 2024 EX-21

Subsidiaries of Lockheed Martin Corporation.

Exhibit 21 Subsidiaries of Lockheed Martin Corporation Name of Subsidiary Place of Formation Astrolink International, LLC Delaware Helicopter Support, Inc.

October 17, 2023 EX-10.2

Exhibit 10.2

Exhibit 10.2 LOCKHEED MARTIN CORPORATION DIRECTORS DEFERRED COMPENSATION PLAN As Amended and Restated Effective January 1, 2024 ARTICLE I PURPOSE The purpose of this Plan is to give each non-employee Director of Lockheed Martin Corporation the opportunity to be compensated for his or her service as a Director on a deferred basis. The Plan is also intended to establish a method of paying Director c

October 17, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 September 24, 2023 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 numbe

October 17, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 17, 2023 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 17, 2023 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (

October 17, 2023 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated October 17, 2023, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended September 24, 2023, i

October 17, 2023 EX-99.1

Lockheed Martin Reports Third Quarter 2023 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Third Quarter 2023 Financial Results •Net sales of $16.9 billion, an increase of 2% year-over-year •Net earnings of $1.7 billion, or $6.73 per share •Cash from operations of $2.9 billion and free cash flow of $2.5 billion •$2.5 billion of cash returned to shareholders through dividends and share repurchases •Increased share repurchase authority by

September 25, 2023 SC 13D/A

LLAP / Terran Orbital Corp - Class A / LOCKHEED MARTIN CORP - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

September 6, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 6, 2023 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 6, 2023 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number)

August 24, 2023 EX-10.1

, by and among Lockheed Martin Corporation, the lenders listed therein, and Bank of America, N.A., as administrative agent.

Exhibit 10.1 EXTENSION AGREEMENT FOR LOCKHEED MARTIN CORPORATION REVOLVING CREDIT AGREEMENT August 24, 2023 Bank of America, N.A., as Administrative Agent under the Revolving Credit Agreement referred to below Ladies and Gentlemen: Reference is made to the Revolving Credit Agreement dated as of August 24, 2022 (as amended from time to time, the “Revolving Credit Agreement”) among Lockheed Martin C

August 24, 2023 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 24, 2023 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (I

August 16, 2023 SC 13D/A

LLAP / Terran Orbital Corp - Class A / LOCKHEED MARTIN CORP - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

July 19, 2023 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 June 25, 2023 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-

July 19, 2023 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated July 18, 2023, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended June 25, 2023, in the following Registration Statements of Lockheed Martin Corporation: •333-92363 on Form S-8, dated December 8, 1999; •333-115357 on Form S-8, dated May 10, 2004; •333-155687 on Form S-8, dated November 25, 2008; •333-188118 on Form S-8, dated April 25, 2013; •333-195466 on Form S-8, dated April 24, 2014, July 23, 2014 (Post-Effective Amendment No.

July 18, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 18, 2023 LOCKHEED MARTIN COR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 18, 2023 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (IRS

July 18, 2023 EX-99.1

Lockheed Martin Reports Second Quarter 2023 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Second Quarter 2023 Financial Results •Net sales of $16.7 billion, an increase of 8% year-over-year •Net earnings of $1.7 billion, or $6.63 per share •Cash from operations of $1.1 billion and free cash flow of $0.8 billion •$1.5 billion of cash returned to shareholders through dividends and share repurchases •Record backlog of $158.0 billion •2023

June 28, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2022 ☐ Transition report pursu

June 28, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2022 ☐ Transition report pursu

June 28, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2022 ☐ Transition report pursu

June 28, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One): ☒ Annual report pursuant to Section 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2022 ☐ Transition report pursu

June 1, 2023 SC 13D/A

LLAP / Terran Orbital Corp - Class A / LOCKHEED MARTIN CORP - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

June 1, 2023 EX-99.6

AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D

Exhibit 99.6 AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D The undersigned hereby agree as follows: (1)They are jointly fling this Schedule 13D and any amendments thereto; (2)Each of them is individually eligible to use the Schedule 13D to which this Exhibit is attached, and such Schedule 13D is filed on behalf of each of them; and (3)Each of them is responsible for the timely filing of suc

May 25, 2023 EX-4.1

Form of 4.450% Notes due 2028

Exhibit 4.1 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 BZ1 LOCKHEED MARTIN CORPORATION 4.450% Note due 2028 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on May 15, 2028. Interest Payment Dates: May 15 and Novem

May 25, 2023 EX-1.1

Underwriting Agreement, dated May 23, 2023, by and among Lockheed Martin Corporation and Citigroup Global Markets Inc., Barclays Capital Inc. and Credit Agricole Securities (USA) Inc., as representatives of the several underwriters named in Schedule I thereto

Exhibit 1.1 Execution Version Lockheed Martin Corporation 4.450% Notes due 2028 4.750% Notes due 2034 5.200% Notes due 2055 Underwriting Agreement May 23, 2023 Citigroup Global Markets Inc. Barclays Capital Inc. Credit Agricole Securities (USA) Inc. As representatives of the several Underwriters named in Schedule I hereto c/o Citigroup Global Markets Inc. 388 Greenwich Street New York, New York 10

May 25, 2023 EX-4.2

Form of 4.750% Notes due 2034

Exhibit 4.2 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 CA5 LOCKHEED MARTIN CORPORATION 4.750% Note due 2034 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on February 15, 2034. Interest Payment Dates: February 15

May 25, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 25, 2023 LOCKHEED MARTIN CORP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 25, 2023 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (IRS

May 25, 2023 EX-4.3

Form of 5.200% Notes due 2055

Exhibit 4.3 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830 CB3 LOCKHEED MARTIN CORPORATION 5.200% Note due 2055 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on February 15, 2055. Interest Payment Dates: February 15

May 24, 2023 424B2

$2,000,000,000 $500,000,000 4.450% Notes due 2028 $850,000,000 4.750% Notes due 2034 $650,000,000 5.200% Notes due 2055

424B2 Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-271325 Prospectus Supplement to Prospectus dated April 18, 2023 $2,000,000,000 $500,000,000 4.450% Notes due 2028 $850,000,000 4.750% Notes due 2034 $650,000,000 5.200% Notes due 2055 We are offering $500,000,000 aggregate principal amount of our 4.450% Notes due 2028 (the “2028 notes”), $850,000,000 aggregate principal

May 24, 2023 EX-1.01

Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form.

Exhibit 1.01 Lockheed Martin Corporation Conflict Minerals Report For the Year Ended December 31, 2022 Introduction This Conflict Minerals Report (the “Report”) was prepared by Lockheed Martin Corporation (hereinafter referred to as the “Company,” “we,” “us,” or “our”) pursuant to Rule 13p-1 (the “Rule”) promulgated under the Securities Exchange Act of 1934, as amended. The term “Conflict Minerals

May 24, 2023 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables 424(b)(2) (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial effective date Filing Fee Previously Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to Be Paid Debt 4.

May 24, 2023 SD

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 (State or other jurisdiction (Commission

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD Specialized Disclosure Report LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 (State or other jurisdiction (Commission file number) of incorporation) 6801 Rockledge Drive Bethesda, Maryland 20817 (Address of principal executive offices) (Zip Code) H. Edward Paul III,

May 23, 2023 FWP

Lockheed Martin Corporation Pricing Term Sheet May 23, 2023 4.450% Notes due 2028 4.750% Notes due 2034 5.200% Notes due 2055 Issuer: Lockheed Martin Corporation Security Type: Senior Unsecured Trade Date: May 23, 2023 Settlement Date (T+2): May 25,

FWP Filed Pursuant to Rule 433 Free Writing Prospectus dated May 23, 2023 Relating to Preliminary Prospectus Supplement dated May 23, 2023 and Prospectus dated April 18, 2023 Registration No.

May 23, 2023 424B5

Subject to Completion, dated May 23, 2023

424B5 Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-271325 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell or a solicitation of an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Subject t

April 27, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2023 LOCKHEED MARTIN CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2023 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (IR

April 18, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1-Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Other Deferred Compensation Obligations (1) Rule 457(h) $200,000,000 (1) $1.

April 18, 2023 S-3ASR

As filed with the Securities and Exchange Commission on April 18, 2023

As filed with the Securities and Exchange Commission on April 18, 2023 Registration No.

April 18, 2023 EX-25.1

Statement of Eligibility of the Trustee on Form T-1.

EX-25.1 8 formt-1xusbankxlmt.htm EX-25.1 Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as spec

April 18, 2023 EX-10.4

Amendment to Outstanding Long-Term Incentive Performance and Performance Stock Unit Award Agreements (effective February 22, 2023) (incorporated by reference to Exhibit 10.4 to Lockheed Martin Corporation’s Quarterly Report on Form 10-Q for the quarter ended March 26, 2023).

Exhibit 10.4 AMENDMENT TO OUTSTANDING LONG-TERM INCENTIVE PERFORMANCE AND PERFORMANCE STOCK UNIT AWARD AGREEMENTS UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN The Management Development and Compensation Committee (the “Committee”) of the Board of Directors of Lockheed Martin Corporation (the “Corporation”), as administrator of the Lockheed Martin Corporation 2020 Inc

April 18, 2023 EX-10.1

Form of 2023 Annual Restricted Stock Unit Award Agreement under the Lockheed Martin Corporation 2020 Incentive Performance Award Plan (incorporated by reference to Exhibit 10.1 to Lockheed Martin Corporation’s Quarterly Report on Form 10-Q for the quarter ended March 26, 2023).

Exhibit 10.1 Award Date: February 22, 2023 RESTRICTED STOCK UNIT AWARD AGREEMENT (ANNUAL) GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Restricted Stock Units (“RSUs”) granted by Lockheed Martin Corpo

April 18, 2023 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated April 18, 2023, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended March 26, 2023, in the following Registration Statements of Lockheed Martin Corporation: •333-92363 on Form S-8, dated December 8, 1999; •333-115357 on Form S-8, dated May 10, 2004; •333-155687 on Form S-8, dated November 25, 2008; •333-176440 on Form S-8, dated August 23, 2011 and April 24, 2020 (Post-Effective Amendment No.

April 18, 2023 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration

April 18, 2023 EX-10.5

Lockheed Martin Corporation Amended and Restated 2021 Management Incentive Compensation Plan (incorporated by reference to Exhibit 10.5 to Lockheed Martin Corporation’s Quarterly Report on Form 10-Q for the quarter ended March 26, 2023).

Exhibit 10.5 LOCKHEED MARTIN CORPORATION 2021 MANAGEMENT INCENTIVE COMPENSATION PLAN Effective January 1, 2021 Amended and Restated Effective January 1, 2023 Article I. PURPOSE OF THE PLAN This Plan is established to provide a further incentive to selected Employees to promote the success of Lockheed Martin Corporation by providing an opportunity to receive additional compensation for performance

April 18, 2023 EX-15.1

Acknowledgment of Ernst & Young LLP, Independent Registered Public Accounting Firm

EX-15.1 4 exhibit151s-8nonqualifiedp.htm EX-15.1 Exhibit 15.1 Acknowledgement of Ernst & Young LLP, Independent Registered Public Accounting Firm Board of Directors Lockheed Martin Corporation We are aware of the incorporation by reference in the Registration Statement (Form S-8) pertaining to the: •Lockheed Martin Corporation Deferred Management Incentive Compensation Plan, and •Lockheed Martin C

April 18, 2023 EX-24.1

Powers of Attorney.

Exhibit 24.1 POWER OF ATTORNEY LOCKHEED MARTIN CORPORATION The undersigned hereby constitutes Maryanne R. Lavan, Kerri R. Morey and Peter L. Trentman, and each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, including, but not limited to, that listed below

April 18, 2023 EX-10.2

Form of Performance Stock Unit Award Agreement (2023 - 2025 Performance Period) under the Lockheed Martin Corporation 2020 Incentive Performance Award Plan (incorporated by reference to Exhibit 10.2 to Lockheed Martin Corporation’s Quarterly Report on Form 10-Q for the quarter ended March 26, 2023).

Exhibit 10.2 Award Date: February 22, 2023 PERFORMANCE STOCK UNIT AWARD AGREEMENT GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN FOR THE 2023 – 2025 PERFORMANCE PERIOD THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Performance Stock Unit (“PSUs”) A

April 18, 2023 EX-10.3

Form of Long Term Incentive Performance Award Agreement (2023 - 2025 Performance Period) under the Lockheed Martin Corporation 2020 Incentive Performance Award Plan (incorporated by reference to Exhibit 10.3 to Lockheed Martin Corporation’s Quarterly Report on Form 10-Q for the quarter ended March 26, 2023).

Exhibit 10.3 Award Date: February 22, 2023 LONG-TERM INCENTIVE PERFORMANCE AWARD AGREEMENT GRANTED UNDER THE LOCKHEED MARTIN CORPORATION 2020 INCENTIVE PERFORMANCE AWARD PLAN FOR THE 2023 – 2025 PERFORMANCE PERIOD THIS DOCUMENT CONSTITUTES PART OF A PROSPECTUS COVERING SECURITIES THAT HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 This Award Agreement applies to the Long-Term Incentive Perf

April 18, 2023 S-8

As filed with the Securities and Exchange Commission on April 18, 2023

As filed with the Securities and Exchange Commission on April 18, 2023 Registration No.

April 18, 2023 EX-24.1

Powers of Attorney

Exhibit 24.1 POWER OF ATTORNEY LOCKHEED MARTIN CORPORATION The undersigned hereby constitutes Maryanne R. Lavan, Kerri R. Morey and Peter L. Trentman, and each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities, including, but not limited to, that listed below

April 18, 2023 EX-15.1

Acknowledgment of Ernst & Young LLP, Independent Registered Public Accounting Firm.

Exhibit 15.1 Acknowledgment of Ernst & Young LLP, Independent Registered Public Accounting Firm Board of Directors Lockheed Martin Corporation We are aware of the incorporation by reference in the Registration Statement (Form S-3) and related Prospectus of Lockheed Martin Corporation for the registration of debt securities of our report dated April 18, 2023 relating to the unaudited consolidated i

April 18, 2023 10-Q

Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 March 26, 2023 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

April 18, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 18, 2023 LOCKHEED MARTIN CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 18, 2023 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (IR

April 18, 2023 EX-99.1

Lockheed Martin Reports First Quarter 2023 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports First Quarter 2023 Financial Results •Net sales of $15.1 billion •Net earnings of $1.7 billion, or $6.61 per share, inclusive of non-operational gains of $44 million, or $0.18 per share •Cash from operations of $1.6 billion and free cash flow of $1.3 billion •Returned $1.3 billion of cash to shareholders through dividends and share repurchases •Rea

April 18, 2023 EX-4.1

Exhibit 4.1

Exhibit 4.1 LOCKHEED MARTIN CORPORATION AS ISSUER AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION AS TRUSTEE INDENTURE DATED AS OF APRIL 18, 2023 TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE 1 SECTION 1.01 Definitions 1 SECTION 1.02 Other Definitions 3 SECTION 1.03 Incorporation by Reference of TIA 3 SECTION 1.04 Rules of Construction 4 ARTICLE 2 THE SECURITIES 4 S

April 13, 2023 PX14A6G

United States Securities and Exchange Commission Washington, D.C. 20549 Notice of Exempt Solicitation Pursuant to Rule 14a-103

United States Securities and Exchange Commission Washington, D.C. 20549 Notice of Exempt Solicitation Pursuant to Rule 14a-103 Name of the Registrant: Lockheed Martin Corporation Name of persons relying on exemption: The School Sisters of Notre Dame Cooperative Investment Fund, Sisters of Charity of Elizabeth, NJ, Sisters of St. Francis of Philadelphia, and Benedictine Sisters of Mount St. Scholas

April 12, 2023 PX14A6G

Lockheed Martin Corp. (LMT) Vote Yes: Item #7 – Stockholder Proposal to Issue a Report on the Company’s Intention to Reduce Full Value Chain GHG Emissions Annual Meeting: April 27, 2023

Main Post Office, P.O. Box 751 www.asyousow.org Berkeley, CA 94704 BUILDING A SAFE, JUST, AND SUSTAINABLE WORLD SINCE 1992 Notice of Exempt Solicitation Pursuant to Rule 14a-103 Name of the Registrant: Lockheed Martin Corp. (LMT) Name of persons relying on exemption: As You Sow Address of persons relying on exemption: Main Post Office, P.O. Box 751, Berkeley, CA 94704 Written materials are submitt

March 20, 2023 PX14A6G

Lockheed Martin Corporation (LMT)

Lockheed Martin Corporation (LMT) Shareholder Alert Voluntary submission by John Chevedden, POB 2673, Redondo Beach, CA 90278 Lockheed Martin shareholder since 1999 Lockheed Martin is one of the first to have a great new online voting feature Lockheed Martin is one of the first companies to have a great new online voting feature as illustrated below.

March 14, 2023 ARS

ARS 2022 ANNUAL REPORT

LOCKHEED MARTIN CORPORATION ANNUAL REPORT LOCKHEED MARTIN/f FINANCIAL HIGHLIGHTS In millions, except per share data 2022 2021 2020 Net Sales $ 65,984 $ 67,044 $ 65,398 Consolidated Operating Profit 8,348 9,123 8,644 Segment Operating Profit 7,219 7,379 7,152 Net Earnings From Continuing Operations 5,732 6,315 6,888 Net Earnings 5,732 6,315 6,833 Diluted Earnings Per Common Share Continuing Operations 21.

March 14, 2023 DEF 14A

Proxy Statement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Defin

March 14, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a Party other than the Registrant Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, For Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

February 23, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2023 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2023 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number)

February 23, 2023 EX-3.1

Bylaws of Lockheed Martin Corporation, as amended and restated effective February 22, 2023 (incorporated by reference to Exhibit 3.1 to Lockheed Martin Corporation’s Current Report on Form 8-K filed with the SEC on February 23, 2023).

Exhibit 3.1 BYLAWS OF LOCKHEED MARTIN CORPORATION (As Amended and Restated Effective February 22, 2023) BYLAWS OF LOCKHEED MARTIN CORPORATION TABLE OF CONTENTS ARTICLE I STOCKHOLDERS Section 1.01. Annual Meetings 1 Section 1.02. Special Meetings 1 Section 1.03. Place of Meetings 2 Section 1.04. Notice of Meetings 2 Section 1.05. Conduct of Meetings 3 Section 1.06. Quorum 3 Section 1.07. Votes Requ

February 10, 2023 SC 13G/A

LMT / Lockheed Martin Corporation / STATE STREET CORP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G UNDER THE SECURITIES EXCHANGE ACT OF 1934 AMENDED FILING* LOCKHEED MARTIN CORP (NAME OF ISSUER) COMMON STOCK (TITLE OF CLASS OF SECURITIES) 539830109 (CUSIP NUMBER) 12/31/2022 (DATE OF EVENT WHICH REQUIRES FILING OF THIS STATEMENT) CHECK THE APPROPRIATE BOX TO DESIGNATE THE RULE PURSUANT TO WHICH THIS SCHEDULE IS

February 9, 2023 SC 13G/A

LMT / Lockheed Martin Corporation / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01328-lockheedmartincorp.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 7)* Name of issuer: Lockheed Martin Corp. Title of Class of Securities: Common Stock CUSIP Number: 539830109 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to des

February 7, 2023 SC 13G/A

LMT / Lockheed Martin Corporation / BlackRock Inc. Passive Investment

SC 13G/A 1 us5398301094020723.txt us5398301094020723.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 9) LOCKHEED MARTIN CORPORATION - (Name of Issuer) Common Stock - (Title of Class of Securities) 539830109 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the approp

January 26, 2023 EX-21

Subsidiaries of Lockheed Martin Corporation.

Exhibit 21 Subsidiaries of Lockheed Martin Corporation Name of Subsidiary Place of Formation Astrolink International LLC Delaware Helicopter Support, Inc.

January 26, 2023 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 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

January 26, 2023 EX-10.40

Amendment No. 5 to Lockheed Martin Corporation Executive Severance Plan, as amended and restated effective December 1, 2016 (incorporated by reference to Exhibit 10.40 to Lockheed Martin Corporation’s Annual Report Form 10-K for the year ended December 31, 2022).

Exhibit 10.40 LOCKHEED MARTIN CORPORATION EXECUTIVE SEVERANCE PLAN (As Amended and Restated Effective December 1, 2016) Amendment No. 5 Lockheed Martin Corporation (Corporation) wishes to revise the Lockheed Martin Corporation Executive Severance Plan (Plan) to clarify that an employee’s classification for Plan eligibility purposes is determined at the time the Corporation notifies the employee th

January 26, 2023 EX-24

Powers of Attorney.

Exhibit 24 POWER OF ATTORNEY LOCKHEED MARTIN CORPORATION The undersigned hereby constitutes Maryanne R.

January 26, 2023 EX-10.13

Amendment No. 3 to Lockheed Martin Corporation Deferred Management Incentive Compensation Plan, as amended and restated generally effective January 1, 2020 (incorporated by reference to Exhibit 10.13 to Lockheed Martin Corporation's Annual Report on Form 10-K for the year ended December 31, 2022).

Exhibit 10.13 LOCKHEED MARTIN CORPORATION DEFERRED MANAGEMENT INCENTIVE COMPENSATION PLAN (As Amended and Restated Generally Effective January 1, 2020) Amendment No. 3 Eligibility Deadline Lockheed Martin Corporation wishes to revise the Lockheed Martin Corporation Deferred Management Incentive Compensation Plan (the “Plan”) to adjust the eligibility deadline for Long Term Incentive Award deferral

January 24, 2023 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 24, 2023 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 24, 2023 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (

January 24, 2023 EX-99.1

Lockheed Martin Reports Fourth Quarter and Full Year 2022 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Fourth Quarter and Full Year 2022 Financial Results •Net sales of $19.0 billion in the fourth quarter and $66.0 billion in 2022 •Net earnings of $1.9 billion, or $7.40 per share, inclusive of non-operational charges of $129 million ($101 million, or $0.39 per share, after-tax) in the fourth quarter •Net earnings of $5.7 billion, or $21.66 per share

December 22, 2022 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 20, 2022 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number)

November 9, 2022 EX-99.1

Joint Filing Agreement, dated November

EX-99.1 2 ex991jointfilingagreements.htm EX-99.1 Exhibit 99.1 AGREEMENT REGARDING THE JOINT FILING OF SCHEDULE 13D The undersigned hereby agree as follows: (1)Each of them is individually eligible to use the Schedule 13D to which this Exhibit is attached, and such Schedule 13D is filed on behalf of each of them; and (2)Each of them is responsible for the timely filing of such Schedule 13D and any

November 9, 2022 SC 13D

LLAP / Terran Orbital Corp - Class A / LOCKHEED MARTIN CORP - SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

October 24, 2022 EX-4.1

Form of 4.95% Notes due 2025

Exhibit 4.1 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830BU2 LOCKHEED MARTIN CORPORATION 4.95% Note due 2025 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on October 15, 2025. Interest Payment Dates: April 15 and O

October 24, 2022 EX-1.1

Morgan Stanley & Co. LLC, Goldman Sachs & Co. LLC and J.P. Morgan Securities LLC, as representatives of the several underwriters named in Schedule I theret

Exhibit 1.1 Execution Version Lockheed Martin Corporation 4.95% Notes due 2025 5.10% Notes due 2027 5.25% Notes due 2033 5.70% Notes due 2054 5.90% Notes due 2063 Underwriting Agreement October 19, 2022 Morgan Stanley & Co. LLC Goldman Sachs & Co. LLC J.P. Morgan Securities LLC As representatives of the several Underwriters named in Schedule I hereto c/o Morgan Stanley & Co. LLC 1585 Broadway New

October 24, 2022 EX-4.2

Form of 5.10% Notes due 2027

Exhibit 4.2 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830BV0 LOCKHEED MARTIN CORPORATION 5.10% Note due 2027 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on November 15, 2027. Interest Payment Dates: May 15 and No

October 24, 2022 8-K

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 24, 2022 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission File Number) (

October 24, 2022 EX-4.4

% Notes due

Exhibit 4.4 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830BX6 LOCKHEED MARTIN CORPORATION 5.70% Note due 2054 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on November 15, 2054. Interest Payment Dates: May 15 and No

October 24, 2022 EX-4.5

Form of 5.90% Notes due 2063

Exhibit 4.5 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830BY4 LOCKHEED MARTIN CORPORATION 5.90% Note due 2063 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on November 15, 2063. Interest Payment Dates: May 15 and No

October 24, 2022 EX-4.3

Form of 5.25% Notes due 2033

Exhibit 4.3 GLOBAL SECURITY NOT TO BE EXCHANGED FOR SECURITIES IN DEFINITIVE FORM (See Legend on Next Page) No. $ CUSIP: 539830BW8 LOCKHEED MARTIN CORPORATION 5.25% Note due 2033 LOCKHEED MARTIN CORPORATION, a Maryland corporation, for value received, hereby promises to pay to CEDE & CO. or registered assigns, the principal sum of Dollars on January 15, 2033. Interest Payment Dates: January 15 and

October 20, 2022 EX-FILING FEES

Calculation of Filing Fee Tables (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(2) (Form Type) Lockheed Martin Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial effective date Filing Fee Previously Paid In Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to Be Paid Debt 4.

October 20, 2022 424B2

$4,000,000,000 $500,000,000 4.95% Notes due 2025 $750,000,000 5.10% Notes due 2027 $1,000,000,000 5.25% Notes due 2033 $1,000,000,000 5.70% Notes due 2054 $750,000,000 5.90% Notes due 2063

Table of Contents Filed Pursuant to Rule 424(b)(2) Registration No. 333-237836 Prospectus Supplement to Prospectus dated April 24, 2020 $4,000,000,000 $500,000,000 4.95% Notes due 2025 $750,000,000 5.10% Notes due 2027 $1,000,000,000 5.25% Notes due 2033 $1,000,000,000 5.70% Notes due 2054 $750,000,000 5.90% Notes due 2063 We are offering $500,000,000 aggregate principal amount of our 4.95% Notes

October 19, 2022 424B5

Subject to Completion, dated October 19, 2022

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration No. 333-237836 The information in this preliminary prospectus supplement is not complete and may be changed. This preliminary prospectus supplement and the accompanying prospectus are not an offer to sell or a solicitation of an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Subject to Comp

October 19, 2022 FWP

Lockheed Martin Corporation Pricing Term Sheet October 19, 2022 4.95% Notes due 2025 5.10% Notes due 2027 5.25% Notes due 2033 5.70% Notes due 2054 5.90% Notes due 2063 Issuer: Lockheed Martin Corporation Security Type: Senior Unsecured Trade Date: O

FWP 1 d290415dfwp.htm FWP Filed Pursuant to Rule 433 Free Writing Prospectus dated October 19, 2022 Relating to Preliminary Prospectus Supplement dated October 19, 2022 and Prospectus dated April 24, 2020 Registration No. 333-237836 Lockheed Martin Corporation Pricing Term Sheet October 19, 2022 4.95% Notes due 2025 5.10% Notes due 2027 5.25% Notes due 2033 5.70% Notes due 2054 5.90% Notes due 206

October 18, 2022 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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 September 25, 2022 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 numbe

October 18, 2022 EX-10.1

Amendment No. 4 to Lockheed Martin Corporation Executive Severance Plan, as amended and restated effective December 1, 2016 (incorporated by reference to Exhibit 10.1 to Lockheed Martin Corporation’s Quarterly Report on Form 10-Q for the quarter ended September 25, 2022).

Exhibit 10.1 LOCKHEED MARTIN CORPORATION EXECUTIVE SEVERANCE PLAN (As Amended and Restated Effective December 1, 2016) Amendment No. 4 Lockheed Martin Corporation wishes to revise the Lockheed Martin Corporation Executive Severance Plan (the “Plan”) to reflect certain changes to severance benefits available under the Plan and to make certain clarifications. Accordingly, the Plan is revised as foll

October 18, 2022 LETTER

LETTER

United States securities and exchange commission logo October 18, 2022 James D. Taiclet Chief Executive Officer Lockheed Martin Corporation 6801 Rockledge Drive Bethesda, MD 20817 Re: Lockheed Martin Corporation Definitive Proxy Statement on Schedule 14A Filed March 11, 2022 File No. 001-11437 Dear James D. Taiclet: We have completed our review of your filing. We remind you that the company and it

October 18, 2022 EX-99.1

Lockheed Martin Reports Third Quarter 2022 Financial Results

Exhibit 99.1 News Release Lockheed Martin Reports Third Quarter 2022 Financial Results •Net sales of $16.6 billion and net earnings of $1.8 billion, or $6.71 per share •Cash from operations of $3.1 billion and free cash flow of $2.7 billion •Returned $2.1 billion of cash to shareholders through share repurchases and dividends •Increased share repurchase authority by $14.0 billion •Increased quarte

October 18, 2022 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 18, 2022 LOCKHEED MARTIN

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 18, 2022 LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) Maryland 1-11437 52-1893632 (State or other jurisdiction (Commission file number) (

October 18, 2022 EX-15

Acknowledgment of Independent Registered Public Accounting Firm

Exhibit 15 Acknowledgment of Independent Registered Public Accounting Firm Board of Directors and Stockholders Lockheed Martin Corporation We are aware of the incorporation by reference of our report dated October 18, 2022, relating to the unaudited consolidated interim financial statements of Lockheed Martin Corporation that is included in its Form 10-Q for the quarter ended September 25, 2022, in the following Registration Statements of Lockheed Martin Corporation: •333-92363 on Form S-8, dated December 8, 1999; •333-115357 on Form S-8, dated May 10, 2004; •333-155687 on Form S-8, dated November 25, 2008; •333-176440 on Form S-8, dated August 23, 2011 and April 24, 2020 (Post-Effective Amendment No.

October 18, 2022 EX-10.3

Non-Employee Director Compensation Summary (incorporated by reference to Exhibit 10.3 to Lockheed Martin Corporation’s Quarterly Report on Form 10-Q for the quarter ended September 25, 2022).

Exhibit 10.3 Annual Directors’ Compensation Summary Effective Jan. 1, 2023 (Non-Employee Directors) Annual Cash Retainer $170,000 per year Annual Equity Retainer $170,000 per year, payable under the Lockheed Martin Corporation Directors Equity Plan* Audit Committee Chairman Retainer $35,000 per year Management Development and Compensation Committee Chairman Retainer $30,000 per year Other Committe

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