HAL Halliburton Co

[ ] 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 OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Richard Mark	2. Issuer Name and Ticker or Trading Symbol HALLIBURTON CO [ HAL ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) President - Western Hemisphere
(Last)          (First)          (Middle) 3000 N. SAM HOUSTON PKWY E.	3. Date of Earliest Transaction (MM/DD/YYYY) 10/31/2019
(Street) HOUSTON, TX 77032 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	10/31/2019		M		2134 (1)	A	$20.48	109442.624 (3)(4)	D
Common Stock	10/31/2019		F		840 (2)	D	$20.48	108582.624	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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 (10/2015)	(5)	10/31/2019		M			2134	(6)	(6)	Common Stock	4268	$0	2134	D
Option to Buy Common Stock	$31.65							1/5/2010	1/5/2020	Common Stock	7000		7000	D
Option to Buy Common Stock	$40.83							1/1/2011	1/1/2021	Common Stock	4600		4600	D
Option to Buy Common Stock	$34.15							1/3/2012	1/3/2022	Common Stock	6400		6400	D
Option to Buy Common Stock	$36.31							1/3/2013	1/3/2023	Common Stock	13900		13900	D
Option to Buy Common Stock	$50.01							1/2/2014	1/2/2024	Common Stock	7900		7900	D
Option to Buy Common Stock	$39.49							1/2/2015	1/2/2025	Common Stock	14807		14807	D
Option to Buy Common Stock	$34.48							1/4/2016	1/4/2026	Common Stock	28604		28604	D
Option to Buy Common Stock	$55.68							1/3/2017	1/3/2027	Common Stock	17119		17119	D
Option to Buy Common Stock (01/2018)	$49.61							1/2/2018	1/2/2028	Commom Stock	24019		24019	D
Option to Buy Common Stock (12/2018)	$27.14							12/20/2018	12/20/2028	Common Stock	43924		439.24	D
Restricted Stock Units (01/2015)	(5)							(6)	(6)	Common Stock	2091		2091	D

Explanation of Responses:
(1)	Vesting of 20% of restricted stock units granted on October 27, 2015.
(2)	Shares transferred to Halliburton Company for payment for Federal tax withholding obligations on lapse of restrictions on shares issued under the Stock and Incentive Plan. Said Plan permits Reporting Person to satisfy withholding tax obligation by transferring unrestricted shares to the Issuer.
(3)	Includes 899.678 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the periods ended March 31, 2019, June 30, 2019 and September 30, 2019.
(4)	Includes 1,292.409 shares of stock accumulated through dividend reinvestment as of October 31 2020.
(5)	Each Restricted Stock Unit represents the right to receive one share of common stock.
(6)	The restricted stock units vest in five equal annual installments beginning with the first anniversary of the award. Shares will be delivered to the reporting person upon vesting.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Richard Mark 3000 N. SAM HOUSTON PKWY E. HOUSTON, TX 77032			President - Western Hemisphere

Signatures
Brian A. Salazar, by Power of Attorney		11/4/2019
**Signature of Reporting Person		Date

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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

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