HALLIBURTON CO — Director's Dealing 2026

Jan 27, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HALLIBURTON CO (HAL)
CIK: 0000045012
Period of Report: 2026-01-26

Reporting Person: Banks Margaret Katherine (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-26	Common Stock	S	2600	$34.175	Disposed	14043	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
12/2025 Restricted Stock Units	$		Common Stock (7485)	7485	Direct
12/2022 Restricted Stock Units	$		Common Stock (5286.68)	5286.68	Direct
12/2021 Restricted Stock Units	$		Common Stock (8523.5)	8523.5	Direct

Footnotes

F1: Each restricted stock unit represents a right to receive one share of the Company's common stock.

F2: 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.

F3: Includes 31.87 dividend equivalent units acquired through December 31, 2025.

F4: Includes 51.38 dividend equivalent units acquired through December 31, 2025.