LOCKHEED MARTIN CORP (LMT) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-31 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: LOCKHEED MARTIN CORP (LMT) CIK: 0000936468 --- Reporting Owner --- Name: Donovan John CIK: 0001353825 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Phantom Stock Units Date: 2026-03-31 | Code: A (Grant or award) Shares: +81.6939 Shares Owned After: 1,451.4877 | Ownership: I (Indirect) | Nature: Lockheed Martin Directors Deferred Comp Plan Footnotes: [F1] Phantom stock units convert to common stock on a one-for-one basis. [F2] The information pertains to phantom stock units acquired at $604.39 per share through director retainer fee deferral under the Lockheed Martin Corporation Directors Deferred Compensation Plan exempt under Section 16(b). Units are settled in cash upon the reporting person's retirement or termination of service. [F2] The information pertains to phantom stock units acquired at $604.39 per share through director retainer fee deferral under the Lockheed Martin Corporation Directors Deferred Compensation Plan exempt under Section 16(b). Units are settled in cash upon the reporting person's retirement or termination of service. [F2] The information pertains to phantom stock units acquired at $604.39 per share through director retainer fee deferral under the Lockheed Martin Corporation Directors Deferred Compensation Plan exempt under Section 16(b). Units are settled in cash upon the reporting person's retirement or termination of service. [F3] Holdings as of reportable transaction date include additional acquisitions through dividend reinvestment. --- Holdings --- [Holding #1] Security: Phantom Stock Units Ownership: I (Indirect) Footnotes: [F1] Phantom stock units convert to common stock on a one-for-one basis. [F4] The information pertains to previously acquired stock units under the Lockheed Martin Corporation Amended and Restated Directors Equity Plan exempt under Section 16(b). Settlement in cash or stock (as elected by the director) will occur upon the reporting person's retirement or termination of service, except that non-employee directors who have satisfied our stock ownership guidelines may elect to have payment of awards granted on or after January 1, 2018 (together with any dividend equivalents thereon) made on the first business day of April following vesting of the award. [F4] The information pertains to previously acquired stock units under the Lockheed Martin Corporation Amended and Restated Directors Equity Plan exempt under Section 16(b). Settlement in cash or stock (as elected by the director) will occur upon the reporting person's retirement or termination of service, except that non-employee directors who have satisfied our stock ownership guidelines may elect to have payment of awards granted on or after January 1, 2018 (together with any dividend equivalents thereon) made on the first business day of April following vesting of the award. [F3] Holdings as of reportable transaction date include additional acquisitions through dividend reinvestment. --- Footnotes (Complete Index) --- F1: Phantom stock units convert to common stock on a one-for-one basis. F2: The information pertains to phantom stock units acquired at $604.39 per share through director retainer fee deferral under the Lockheed Martin Corporation Directors Deferred Compensation Plan exempt under Section 16(b). Units are settled in cash upon the reporting person's retirement or termination of service. F3: Holdings as of reportable transaction date include additional acquisitions through dividend reinvestment. F4: The information pertains to previously acquired stock units under the Lockheed Martin Corporation Amended and Restated Directors Equity Plan exempt under Section 16(b). Settlement in cash or stock (as elected by the director) will occur upon the reporting person's retirement or termination of service, except that non-employee directors who have satisfied our stock ownership guidelines may elect to have payment of awards granted on or after January 1, 2018 (together with any dividend equivalents thereon) made on the first business day of April following vesting of the award. --- Signature --- /s/ John M. Donovan, by Lynda M. Noggle, Attorney-in-fact (2026-04-02)