Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * St John Frank A 2. Issuer Name and Ticker or Trading Symbol LOCKHEED MARTIN CORP [LMT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Operating Officer (Last) (First) (Middle) 6801 ROCKLEDGE DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 10/23/2025 (Street) BETHESDA, MD 20817 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10/23/2025 S 69 D $492.42 7,723.522 D Common Stock 10/23/2025 S 3,020 D $490.5827(1) 4,703.522 D Common Stock 10/23/2025 S 4,703 D $491.3097(2) 0.522(3) D Common Stock 10/23/2025 I 7.9896 D $ 0 (4) 0 I Lockheed Martin Salaried Savings Plan

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Phantom Stock Units

(5)

10/23/2025

I

121.6513(4)

(4)

(4)

Common Stock

121.6513(6)

(4)

0

I

LM Supplemental Savings Plan

Phantom Stock Units

(7)

(7)

(7)

Common Stock

159.2925

159.2925(3)

I

Lockheed Martin DMICP

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
St John Frank A 6801 ROCKLEDGE DRIVE BETHESDA, MD 20817			Chief Operating Officer

Signatures

Frank A. St. John, by Peter A. Christou, Attorney-in-fact		10/27/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	The price represents the weighted average price for multiple transactions reported on this line. Prices ranged from $490.0100 to $490.9900, inclusive. Reporting Person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
(2)	The price represents the weighted average price for multiple transactions reported on this line. Prices ranged from $491.0200 to $491.8400, inclusive. Reporting Person will provide, upon request by the Commission staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
(3)	Holdings as of reportable transaction date include additional acquisitions through dividend reinvestment.
(4)	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 ($488.0500).
(5)	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.
(6)	Holdings as of reportable transaction date include additional acquisitions and dividend reinvestment under the company's Supplemental Savings Plan.
(7)	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.
Remarks: Exhibit 24, Power of Attorney

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