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: 2026-07-31 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: LOCKHEED MARTIN CORP (LMT) CIK: 0000936468 --- Reporting Owner --- Name: St John Frank A CIK: 0001728300 Role: Officer (Chief Operating Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-07-31 | Code: I (Discretionary (intra-plan)) Shares: -7.0245 | Price: $0.00 Shares Owned After: 0 | Ownership: I (Indirect) | Nature: Lockheed Martin Salaried Savings Plan Footnotes: [F1] The Reporting Person effected an intra-plan transfer of funds held in the company stock fund to another investment option under the plan. The transaction was a discretionary transaction exempt under Rule 16b-3(f). The disposition was valued at the closing price of LMT on the date of transfer ($582.74). --- Derivative Transactions --- [Transaction #1] Security: Phantom Stock Units Date: 2026-07-31 | Code: I (Discretionary (intra-plan)) Shares: -53.6665 Shares Owned After: 0 | Ownership: I (Indirect) | Nature: LM Supplemental Savings Plan Footnotes: [F3] Phantom stock units convert to common stock on a one-for-one basis. Shares of phantom stock acquired under the Lockheed Martin Supplemental Savings Plan will be settled in cash upon the Reporting Person's retirement or termination of service. [F1] The Reporting Person effected an intra-plan transfer of funds held in the company stock fund to another investment option under the plan. The transaction was a discretionary transaction exempt under Rule 16b-3(f). The disposition was valued at the closing price of LMT on the date of transfer ($582.74). [F1] The Reporting Person effected an intra-plan transfer of funds held in the company stock fund to another investment option under the plan. The transaction was a discretionary transaction exempt under Rule 16b-3(f). The disposition was valued at the closing price of LMT on the date of transfer ($582.74). [F1] The Reporting Person effected an intra-plan transfer of funds held in the company stock fund to another investment option under the plan. The transaction was a discretionary transaction exempt under Rule 16b-3(f). The disposition was valued at the closing price of LMT on the date of transfer ($582.74). [F1] The Reporting Person effected an intra-plan transfer of funds held in the company stock fund to another investment option under the plan. The transaction was a discretionary transaction exempt under Rule 16b-3(f). The disposition was valued at the closing price of LMT on the date of transfer ($582.74). [F4] Holdings as of reportable transaction date include additional acquisitions and dividend reinvestment under Lockheed Martin's Supplemental Savings Plan. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) Footnotes: [F2] Holdings as of reportable transaction date include additional acquisitions through dividend reinvestment. [Holding #2] Security: Phantom Stock Units Ownership: I (Indirect) Footnotes: [F5] Phantom stock units convert to common stock on a one-for-one basis. Shares of phantom stock acquired under the Lockheed Martin Deferred Management Incentive Compensation Plan exempt under Section 16(b) which will be settled in stock upon the Reporting Person's retirement or termination of service. [F5] Phantom stock units convert to common stock on a one-for-one basis. Shares of phantom stock acquired under the Lockheed Martin Deferred Management Incentive Compensation Plan exempt under Section 16(b) which will be settled in stock upon the Reporting Person's retirement or termination of service. [F5] Phantom stock units convert to common stock on a one-for-one basis. Shares of phantom stock acquired under the Lockheed Martin Deferred Management Incentive Compensation Plan exempt under Section 16(b) which will be settled in stock upon the Reporting Person's retirement or termination of service. [F2] Holdings as of reportable transaction date include additional acquisitions through dividend reinvestment. --- Footnotes (Complete Index) --- F1: The Reporting Person effected an intra-plan transfer of funds held in the company stock fund to another investment option under the plan. The transaction was a discretionary transaction exempt under Rule 16b-3(f). The disposition was valued at the closing price of LMT on the date of transfer ($582.74). F2: Holdings as of reportable transaction date include additional acquisitions through dividend reinvestment. F3: Phantom stock units convert to common stock on a one-for-one basis. Shares of phantom stock acquired under the Lockheed Martin Supplemental Savings Plan will be settled in cash upon the Reporting Person's retirement or termination of service. F4: Holdings as of reportable transaction date include additional acquisitions and dividend reinvestment under Lockheed Martin's Supplemental Savings Plan. F5: Phantom stock units convert to common stock on a one-for-one basis. Shares of phantom stock acquired under the Lockheed Martin Deferred Management Incentive Compensation Plan exempt under Section 16(b) which will be settled in stock upon the Reporting Person's retirement or termination of service. --- Signature --- /s/ Frank A. St. John, by Lynda M. Noggle, Attorney-in-fact (2026-08-04)