Sec Form 4 Filing - HEWSON MARILLYN A @ LOCKHEED MARTIN CORP - 2019-12-06

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person HEWSON MARILLYN A 2. Issuer Name and Ticker or Trading Symbol LOCKHEED MARTIN CORP [ LMT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chairman, Pres. & CEO (Last) (First) (Middle) 6801 ROCKLEDGE DRIVE 3. Date of Earliest Transaction (MM/DD/YY) 12/06/2019 (Street) BETHESDA, MD20817 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 12/06/2019 M 579 ( 1 ) A $ 0 ( 1 ) 32,015.461 D Common Stock 12/06/2019 F 579 ( 2 ) D $ 386.86 31,436.461 ( 3 ) D Common Stock 489.4562 ( 3 ) I Lockheed Martin Salaried Savings Plan

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Restricted Stock Units ( 4 ) 12/06/2019 M 579 ( 1 ) ( 1 ) 02/21/2022 Common Stock 579 ( 1 ) 13,509 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other HEWSON MARILLYN A 6801 ROCKLEDGE DRIVE BETHESDA, MD20817 X Chairman, Pres. & CEO Signatures Marillyn A. Hewson, by Kerri R. Morey, Attorney-in-fact 12/10/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents the accelerated vesting of shares received upon the conversion of a portion of restricted stock units (RSUs) granted on February 21, 2019, with a value equal to the tax withholding obligations for the retirement-eligible reporting person and concurrent disposition to the Issuer of such shares to satisfy the reporting person's tax withholding obligations, which transaction is exempt under Rule 16b-3. The balance of the RSUs remain subject to continued vesting. ( 2 )Disposition to the Issuer of shares to satisfy the reporting person's tax withholding obligation upon vesting of stock units which is exempt under Rule 16b-3. ( 3 )End of period holdings include additional acquisitions through dividend reinvestment. ( 4 )Each restricted stock unit represents a contingent right to receive one share of LMT common stock.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

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