Stephanie Spoelker Holzhauser - 02 Jan 2026 Form 4 Insider Report for HALLIBURTON CO (HAL)

Role: SVP & Chief Accounting Officer
Signature: /s/ Sarah I. Rubenfeld, by Power of Attorney
Issuer symbol: HAL
Transactions as of: 02 Jan 2026
Net transactions value: +$166,056
Form type: 4
Filing time: 05 Jan 2026, 17:57:56 UTC
Previous filing: 12 Aug 2025
Next filing: 09 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Holzhauser Stephanie Spoelker	SVP & Chief Accounting Officer	3000 NORTH SAM HOUSTON PARKWAY E., HOUSTON	/s/ Sarah I. Rubenfeld, by Power of Attorney	05 Jan 2026	0002081131

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HAL	Common Stock	Award	$166,056	+5,610	+8.3%	$29.60	73,310	02 Jan 2026	Direct	F1, F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	HAL	Option to Buy Common Stock						9,688	02 Jan 2026	Common Stock	9,688	$49.61	Direct
holding	HAL	Option to Buy Common Stock						7,994	02 Jan 2026	Common Stock	7,994	$55.68	Direct

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Shares awarded pursuant to the Halliburton Company Stock and Incentive Plan. Said Plan provides for the surrender of common stock to the Issuer to satisfy withholding tax obligations.
F2	The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on the January 2, 2026 grant date was $29.60.
F3	Includes 15.422 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the period ending September 30, 2025.