Mark Richard - 08 Jan 2026 Form 4 Insider Report for HALLIBURTON CO (HAL)

Role
President - Western Hemisphere
Signature
/s/ Sarah I. Rubenfeld, by Power of Attorney
Issuer symbol
HAL
Transactions as of
08 Jan 2026
Net transactions value
-$221,082
Form type
4
Filing time
09 Jan 2026, 17:46:28 UTC
Previous filing
05 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Richard Mark President - Western Hemisphere 3000 N. SAM HOUSTON PKWY E., HOUSTON /s/ Sarah I. Rubenfeld, by Power of Attorney 09 Jan 2026 0001767591

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction HAL Common Stock Tax liability $221,082 -7,469 -1.5% $29.60 480,692 08 Jan 2026 Direct F1, F2

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 (12/2018) 43,924 08 Jan 2026 Common Stock 43,924 $27.14 Direct
holding HAL Option to Buy Common Stock (01/2018) 24,019 08 Jan 2026 Commom Stock 24,019 $49.61 Direct
holding HAL Option to Buy Common Stock 17,119 08 Jan 2026 Common Stock 17,119 $55.68 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 The stock vested on January 2, 2026 and January 3, 2026 and is related to stock granted on January 3, 2022, January 3, 2023, January 2, 2024, and January 2, 2025. January 3, 2026 was a non-market date. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on January 2, 2026 was $29.60. Shares were withheld for tax reporting on January 8, 2026.