Initial Statement of Beneficial Ownership of Securities

This filing reports Orlando Sanchez Jr.'s initial statement of beneficial ownership of securities in Lockheed Martin Corp. The filing details holdings of restricted stock units (RSUs) and phantom stock units (PSUs). RSUs are scheduled to vest on specific dates in 2027 and 2028, with potential acceleration for tax withholding. Each RSU represents a contingent right to one share of common stock. PSUs, acquired under the Lockheed Martin Supplemental Savings Plan, will be settled in cash upon retirement or termination of service and convert on a one-for-one basis. Sanchez also holds common stock through the Lockheed Martin Salaried Savings Plan. The filing was made on June 10, 2026, with a reporting period of June 1, 2026. The power of attorney for the signature is included as Exhibit 24.