144Filing Date: Aug 18, 2026

Halliburton

Insider Proposed Sale Notice

Slocum Jeffrey Shannon

Officer, Director·Halliburton

Proposed

CommonNYSE

Shares16.12K

Est. DateAug 18

Market Value$565.6K

BrokerFidelity Brokerage Services LLC

AcquisitionRestricted Stock Vesting · Issuer

Acquired DateApr 27, 2025

Amount Acquired16.12K

10b5-1 Plan Adoption05/08/2026

% Outstanding0.0019%

10b5-1

Exercise / Payment Details

Paid: Apr 27, 2025Method: Compensation

No sales in the past 3 months

Signature & Compliance expand_more

Notice DateAug 18, 2026

10b5-1 Plan Adoption05/08/2026

Signature /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for J.Shannon Slocum

Issuer Info expand_more

CompanyHALLIBURTON CO

CIK0000045012

SEC File No.001-03492

Phone2818712699

Address3000 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TX 77032