Robert A. Malone - 05 Dec 2025 Form 4 Insider Report for HALLIBURTON CO (HAL)

Role: Director
Signature: /s/ Sarah I. Rubenfeld, by Power of Attorney
Issuer symbol: HAL
Transactions as of: 05 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 09 Dec 2025, 16:26:06 UTC
Previous filing: 05 Dec 2025
Next filing: 12 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Malone Robert A	Director	P.O. BOX 437, 289 PR 3344, SONORA	/s/ Sarah I. Rubenfeld, by Power of Attorney	09 Dec 2025	0001464471

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HAL	Common Stock	Options Exercise	$0	+6,092	+7.5%	$0.000000	87,496	05 Dec 2025	Direct	F1

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
transaction	HAL	12/2025 Restricted Stock Units	Award	$0	+7,485		$0.000000	7,485	05 Dec 2025	Common Stock	7,485		Direct	F2, F3
transaction	HAL	12/2024 Restricted Stock Units	Options Exercise	$0	-6,092	-100%	$0.000000	0	05 Dec 2025	Common Stock	6,092		Direct	F2, F3

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

Explanation of Responses:

Id	Content
F1	Vesting of restricted stock units granted December 5, 2024.
F2	Each restricted stock unit represents a right to receive one share of the Company's common stock.
F3	The restricted stock units vest in one year on the first anniversary of the award. Shares will be delivered to the reporting person either upon vesting, or if reporting person elected to defer receipt, following cessation as a director.