Halliburton (HAL) EVP/COO Slocum reports stock sale and tax share transfer

Rhea-AI Filing Summary

Halliburton Company executive Jeffrey Shannon Slocum, a director and EVP/COO, reported two transactions in Halliburton common stock. On January 8, 2026, 7,912 shares were transferred to Halliburton to cover federal tax withholding when previously granted restricted stock vested, at a reference price of $29.60 per share under the company’s Stock and Incentive Plan. On January 9, 2026, he sold 23,895 shares of common stock at an average price of $32.30 per share under a pre‑arranged Rule 10b5‑1 trading plan adopted on August 7, 2025. After these transactions, he directly holds 187,422.952 shares of Halliburton common stock and stock options covering 12,090 and 3,722 shares with exercise prices of $49.61 and $55.68, respectively.

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Slocum Jeffrey Shannon

(Last) (First) (Middle)

3000 N. SAM HOUSTON PARKWAY E.

(Street)

HOUSTON TX 77032

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
HALLIBURTON CO [ HAL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Director, EVP and COO

3. Date of Earliest Transaction (Month/Day/Year)
01/08/2026

4. If Amendment, Date of 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

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	01/08/2026		F		7,912(1)	D	$29.6(2)	211,317.952	D
Common Stock	01/09/2026		S(3)		23,895	D	$32.3	187,422.952	D

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 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: 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
Option to Buy Common Stock	$49.61							01/02/2018	01/02/2028	Common Stock	12,090		12,090	D
Option to Buy Common Stock	$55.68							01/03/2017	01/03/2027	Common Stock	3,722		3,722	D

Explanation of Responses:

1. 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.

2. The stock vested on January 2, 2026, January 3, 2026, and January 4, 2026 and is related to stock granted on January 4, 2021, January 3, 2022, January 3, 2023, January 2, 2024, and January 2, 2025. January 3, 2026 and January 4, 2026 were non-market dates. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on January 2, 2026 was $29.60. Shares were withheld for tax reporting on January 8, 2026.

3. The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on August 7, 2025.

Remarks:

	/s/ Sarah I. Rubenfeld, by Power of Attorney	01/12/2026
	** 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.
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FAQ

What insider transactions did HAL executive Jeffrey Shannon Slocum report?

He reported a transfer of 7,912 Halliburton common shares on January 8, 2026 to cover tax withholding on vested stock, and a sale of 23,895 shares on January 9, 2026 at $32.30 per share under a Rule 10b5-1 trading plan.

Why were 7,912 HAL shares transferred on January 8, 2026?

The 7,912 shares were transferred to Halliburton Company to pay federal tax withholding when restricted shares vested under the Stock and Incentive Plan, which allows the reporting person to satisfy withholding by transferring unrestricted shares to the issuer.

At what price did the HAL insider sell shares on January 9, 2026?

On January 9, 2026, 23,895 Halliburton common shares were sold at an average price of $32.30 per share, as disclosed in the filing.

Was the Halliburton (HAL) share sale part of a Rule 10b5-1 plan?

Yes. The filing states that the January 9, 2026 sale was effected under a Rule 10b5-1 trading plan adopted by the reporting person on August 7, 2025.

How many Halliburton (HAL) shares does the insider own after these transactions?

Following the reported transactions, the reporting person directly holds 187,422.952 shares of Halliburton common stock.

What stock options related to HAL does the reporting person hold?

He holds options to buy Halliburton common stock covering 12,090 shares at an exercise price of $49.61 expiring on January 2, 2028, and 3,722 shares at an exercise price of $55.68 expiring on January 3, 2027.

What vesting details are provided for the HAL restricted stock in this filing?

The filing notes that stock vested on January 2, 3, and 4, 2026, related to grants made between January 4, 2021 and January 2, 2025. The closing price on January 2, 2026 was $29.60, and shares were withheld for tax reporting on January 8, 2026.