Halliburton (HAL) EVP reports 5,840-share tax transfer and option expiry

Rhea-AI Filing Summary

Halliburton Company executive Sarah I. Rubenfeld, EVP Administration & CHRO, reported routine equity transactions involving Halliburton common stock. On December 4, 2025, 5,840 shares of common stock were transferred to Halliburton to cover federal tax withholding when restricted stock vested under the Stock and Incentive Plan. The vesting relates to stock granted on December 2, 2020, using the New York Stock Exchange closing price of $26.91 on December 2, 2025 for tax purposes. After these tax-related shares were withheld, she beneficially owned 484,831.685 shares directly, including 929.708 shares acquired through the Employee Stock Purchase Plan.

The filing also lists several outstanding stock options, including options to buy 51,100, 34,300, and 30,500 shares at exercise prices of $31.44, $43.38, and $53.54, respectively, with expirations in 2028, 2027, and 2026. A separate option for 44,500 shares at an exercise price of $38.95 expired unexercised on December 2, 2025.

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).

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^*

Pope Lawrence J

(Last) (First) (Middle)

HALLIBURTON COMPANY

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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP Administration & CHRO

3. Date of Earliest Transaction (Month/Day/Year)
12/04/2025

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	12/04/2025		F		5,840(1)	D	$26.91(2)	484,831.685(3)	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	$31.44							12/05/2018	12/05/2028	Common Stock	51,100		51,100	D
Option to Buy Common Stock	$43.38							12/06/2017	12/06/2027	Common Stock	34,300		34,300	D
Option to Buy Common Stock	$53.54							12/07/2016	12/07/2026	Common Stock	30,500		30,500	D
Option to Buy Common Stock	$38.95							12/02/2015	12/02/2025	Common Stock	44,500		0(4)	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 December 2, 2025 and is related to stock granted on December 2, 2020. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on December 2, 2025 was $26.91. Shares were withheld for tax reporting on December 4, 2025.

3. Includes 929.708 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the periods ending March 31, 2025 and June 30, 2025.

4. Stock option expired December 2, 2025.

Remarks:

	/s/ Sarah I. Rubenfeld, by Power of Attorney	12/08/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did Halliburton (HAL) report on this Form 4?

The Form 4 reports that EVP Administration & CHRO Sarah I. Rubenfeld transferred 5,840 shares of Halliburton common stock to the company on December 4, 2025 to satisfy federal tax withholding obligations when restricted stock vested.

How many Halliburton (HAL) shares does the reporting person own after the transaction?

Following the tax withholding share transfer, Sarah I. Rubenfeld beneficially owned 484,831.685 Halliburton common shares directly, including 929.708 shares purchased through the Employee Stock Purchase Plan.

Why were 5,840 Halliburton shares transferred back to the company?

The 5,840 shares were transferred to Halliburton to pay federal tax withholding triggered by the lapse of restrictions on shares issued under the company’s Stock and Incentive Plan, which allows withholding via share transfer.

What stock price was used for the Halliburton (HAL) tax withholding calculation?

The explanation notes that Halliburton’s common stock closed at $26.91 on the New York Stock Exchange on December 2, 2025, and this price was used in connection with the vested stock and tax withholding.

What stock options for Halliburton (HAL) does the executive still hold?

The Form 4 lists options to buy 51,100 shares at $31.44 expiring December 5, 2028, 34,300 shares at $43.38 expiring December 6, 2027, and 30,500 shares at $53.54 expiring December 7, 2026, all held directly.

Which Halliburton stock option expired in December 2025?

An option to buy 44,500 Halliburton common shares at an exercise price of $38.95, originally granted on December 2, 2015 and expiring on December 2, 2025, is reported as having 0 derivative securities remaining, indicating expiration.