HAL

SEC source: 0001970357-26-000004 · wk-form4_1768250220.xml · nonDerivative · entry 1

Slocum Jeffrey Shannon · CIK 0001970357 · Director · Director, EVP and COO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 211,317.952

F1 · shares: 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 · price: The stock vested on January 2, 2026, January 3, 2026, and January 4, 2026 and is related to stock granted on January 4, 2021, January 3, 2022, January 3, 2023, January 2, 2024, and January 2, 2025. January 3, 2026 and January 4, 2026 were non-market dates. 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.

SEC source: 0001832674-26-000005 · wk-form4_1768249992.xml · nonDerivative · entry 1

Beckwith Van H. · CIK 0001832674 · EVP, Secretary and CLO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 362,333.49

F1 · shares: 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 · price: 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.

SEC source: 0002102911-26-000012 · wk-form4_1768249762.xml · nonDerivative · entry 1

Yassine Rami · CIK 0002102911 · President - Eastern Hemisphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 157,571.84

F1 · shares: 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 · price: The stock vested on January 2, 2026, January 3, 2026, and January 4, 2026 and is related to stock granted on January 4, 2021, January 3, 2022, January 3, 2023, January 2, 2024, and January 2, 2025. January 3, 2026 and January 4, 2026 were non-market dates. 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.

F3 · balance_after: The total ownership shown reflects Mr. Yassine's corrected direct beneficial ownership, as indicated on the amended Form 3/A filed January 12, 2026.

SEC source: 0001350647-26-000002 · wk-form4_1767716507.xml · nonDerivative · entry 2

Pope Lawrence J · CIK 0001350647 · EVP and Chief Admin Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 419,799.685

F3 · kind: The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on August 8, 2025.

SEC source: 0001970357-26-000002 · wk-form4_1767654091.xml · nonDerivative · entry 1

Slocum Jeffrey Shannon · CIK 0001970357 · Director · Directir, EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 219,229.952

F1 · shares: 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 · price: 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.

SEC source: 0001595098-26-000002 · wk-form4_1767653987.xml · nonDerivative · entry 1

McKeon Timothy · CIK 0001595098 · Senior VP and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,736

F1 · shares: 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 · price: 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.

SEC source: 0001767591-26-000002 · wk-form4_1767654045.xml · nonDerivative · entry 1

Richard Mark · CIK 0001767591 · President - Western Hemisphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 488,160.517

F1 · shares: 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 · price: 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 · balance_after: Includes 2,013.910 shares of stock accumulated through dividend reinvestment as of December 31, 2025.

SEC source: 0001901659-26-000002 · wk-form4_1767653936.xml · nonDerivative · entry 1

Sharp Jill D. · CIK 0001901659 · SVP Internal Assurance Svcs.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,738.081

F1 · shares: 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 · price: 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 · balance_after: Includes 937.667 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the periods ending March 31, 2025 and June 30, 2025.

SEC source: 0002081131-26-000002 · wk-form4_1767653873.xml · nonDerivative · entry 1

Holzhauser Stephanie Spoelker · CIK 0002081131 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,310.422

F1 · shares: 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 · price: 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 · balance_after: Includes 15.422 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the period ending September 30, 2025.

SEC source: 0002102911-26-000004 · wk-form4_1767653811.xml · derivative · entry 3

Yassine Rami · CIK 0002102911 · President - Eastern Hemisphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,204

Underlying: Common Stock · 3,552 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive one share of the Company's common stock.

F5 · derivative.exercise_date: The restricted stock units vest in five equal annual installments beginning with the first anniversary of the award. Shares will be delivered to the reporting person upon vesting,

F5 · derivative.expiration_date: The restricted stock units vest in five equal annual installments beginning with the first anniversary of the award. Shares will be delivered to the reporting person upon vesting,

SEC source: 0002102911-26-000004 · wk-form4_1767653811.xml · nonDerivative · entry 2

Yassine Rami · CIK 0002102911 · President - Eastern Hemisphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,991

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · shares: Vesting of 20% of restricted stock units granted January 4, 2025.

SEC source: 0002102911-26-000004 · wk-form4_1767653811.xml · nonDerivative · entry 1

Yassine Rami · CIK 0002102911 · President - Eastern Hemisphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 67,439

F1 · shares: 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 · price: 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.

SEC source: 0001673421-26-000002 · wk-form4_1767653753.xml · nonDerivative · entry 1

Carre Eric · CIK 0001673421 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,719.623

F1 · shares: 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 · price: 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 · balance_after: Includes 166.852 shares of stock accumulated through dividend reinvestment as of December 31, 2025.

SEC source: 0001832674-26-000003 · wk-form4_1767653664.xml · nonDerivative · entry 1

Beckwith Van H. · CIK 0001832674 · EVP, Secretary and CLO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 368,496.49

F1 · shares: 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 · price: 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.

SEC source: 0001558667-26-000002 · wk-form4_1767653577.xml · nonDerivative · entry 1

Miller Jeffrey Allen · CIK 0001558667 · Director · Director, President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,131,090.02

F1 · shares: 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 · price: 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.

SEC source: 0001350647-26-000002 · wk-form4_1767716507.xml · nonDerivative · entry 1

Pope Lawrence J · CIK 0001350647 · EVP and Chief Admin Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 519,799.685

F1 · shares: 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 · price: 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.

SEC source: 0001841752-26-000001 · wk-form4_1767381672.xml · derivative · entry 1

Smith Maurice S · CIK 0001841752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,940.639

Underlying: Common Stock · 1,211.885 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Stock equivalents acquired under the Halliburton Company Directors' Deferred Compensation Plan reported on a pro-rata basis to reflect Issuer's Plan quarter. Said Plan is an ongoing securities acquisition plan.

F4 · price: A portion of the stock equivalents are attributable to quarterly dividends and a portion are attributable to quarterly fees and are based on the closing price on December 24, 2025 of $28.03 and December 30, 2025 of $28.49.

F3 · derivative.exercise_date: The stock equivalent units were accrued under the Company's Directors' Deferred Compensation Plan and are settled in the Company's common stock following cessation as a director.

F3 · derivative.expiration_date: The stock equivalent units were accrued under the Company's Directors' Deferred Compensation Plan and are settled in the Company's common stock following cessation as a director.

SEC source: 0001832674-25-000005 · wk-form4_1765223196.xml · nonDerivative · entry 2

Beckwith Van H. · CIK 0001832674 · EVP, Secretary and CLO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 333,528.49

F3 · kind: The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on August 13, 2025.

SEC source: 0001433667-25-000004 · wk-form4_1765315266.xml · derivative · entry 2

Albrecht William E · CIK 0001433667 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

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

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001627197-25-000004 · wk-form4_1765315193.xml · derivative · entry 1

Al Khayyal Abdulaziz Fahd · CIK 0001627197 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

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

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001914276-25-000003 · wk-form4_1765315774.xml · derivative · entry 3

Young Tobi M. · CIK 0001914276 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,092 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001914276-25-000003 · wk-form4_1765315774.xml · derivative · entry 2

Young Tobi M. · CIK 0001914276 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001914276-25-000003 · wk-form4_1765315774.xml · nonDerivative · entry 1

Young Tobi M. · CIK 0001914276 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,375

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Vesting of restricted stock units granted December 5, 2024.

SEC source: 0001967277-25-000003 · wk-form4_1765315720.xml · derivative · entry 2

Weiss Janet L · CIK 0001967277 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

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

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001464471-25-000008 · wk-form4_1765315560.xml · derivative · entry 3

Malone Robert A · CIK 0001464471 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,092 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001464471-25-000008 · wk-form4_1765315560.xml · derivative · entry 2

Malone Robert A · CIK 0001464471 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001464471-25-000008 · wk-form4_1765315560.xml · nonDerivative · entry 1

Malone Robert A · CIK 0001464471 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,496

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Vesting of restricted stock units granted December 5, 2024.

SEC source: 0001841752-25-000007 · wk-form4_1765315615.xml · derivative · entry 1

Smith Maurice S · CIK 0001841752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company common stock.

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001185166-25-000006 · wk-form4_1765315033.xml · derivative · entry 1

BENNETT ALAN M · CIK 0001185166 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

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

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001034312-25-000008 · wk-form4_1765315515.xml · derivative · entry 1

LEACH TIMOTHY A · CIK 0001034312 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

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

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001210402-25-000004 · wk-form4_1765315454.xml · derivative · entry 3

GERBER MURRY · CIK 0001210402 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,092 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001210402-25-000004 · wk-form4_1765315454.xml · derivative · entry 2

GERBER MURRY · CIK 0001210402 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

F2 · derivative.exercise_price: Each restricted stock unit represents a right to receive one share of the Company's common stock.

F3 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001210402-25-000004 · wk-form4_1765315454.xml · nonDerivative · entry 1

GERBER MURRY · CIK 0001210402 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 580,688.509

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: Vesting of restricted stock units granted December 5, 2024.

SEC source: 0001816687-25-000004 · wk-form4_1765315386.xml · derivative · entry 2

Cummings Earl M · CIK 0001816687 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

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

F2 · derivative.exercise_date: 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.

F2 · derivative.expiration_date: 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.

SEC source: 0001768654-25-000007 · wk-form4_1765315336.xml · derivative · entry 3

Banks Margaret Katherine · CIK 0001768654 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 6,092 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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

F3 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001768654-25-000007 · wk-form4_1765315336.xml · derivative · entry 2

Banks Margaret Katherine · CIK 0001768654 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,485

Underlying: Common Stock · 7,485 shares

Expires not disclosed

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

F3 · derivative.exercise_date: 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 · derivative.expiration_date: 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.

SEC source: 0001768654-25-000007 · wk-form4_1765315336.xml · nonDerivative · entry 1

Banks Margaret Katherine · CIK 0001768654 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,643

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: Vesting of restricted stock units granted December 5, 2024.

SEC source: 0001558667-25-000005 · wk-form4_1765223635.xml · nonDerivative · entry 1

Miller Jeffrey Allen · CIK 0001558667 · Director · Director, President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 997,632.02

F1 · shares: 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 · price: The stock vested on December 2, 2025 and is related to stock granted on December 2, 2020. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on December 2, 2025 was $26.91. Shares were withheld for tax reporting on December 4, 2025.

F3 · balance_after: Includes 901.551 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the period ending March 31, 2025.

SEC source: 0001767591-25-000008 · wk-form4_1765223512.xml · nonDerivative · entry 1

Richard Mark · CIK 0001767591 · President - Western Hemisphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 444,990.607

F1 · shares: 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 · price: The stock vested on December 2, 2025 and is related to stock granted on December 2, 2020. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on December 2, 2025 was $26.91. Shares were withheld for tax reporting on December 4, 2025.

SEC source: 0001350647-25-000006 · wk-form4_1765223467.xml · nonDerivative · entry 1

Pope Lawrence J · CIK 0001350647 · EVP Administration & CHRO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 484,831.685

F1 · shares: 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 · price: The stock vested on December 2, 2025 and is related to stock granted on December 2, 2020. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on December 2, 2025 was $26.91. Shares were withheld for tax reporting on December 4, 2025.

F3 · balance_after: Includes 929.708 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the periods ending March 31, 2025 and June 30, 2025.

SEC source: 0001673421-25-000008 · wk-form4_1765223097.xml · nonDerivative · entry 1

Carre Eric · CIK 0001673421 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,004.771

F1 · shares: 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 · price: The stock vested on December 2, 2025 and is related to stock granted on December 2, 2020. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on December 2, 2025 was $26.91. Shares were withheld for tax reporting on December 4, 2025.

F3 · balance_after: Includes 594.394 shares of stock accumulated through dividend reinvestment as of September 30, 2025.

SEC source: 0001595098-25-000006 · wk-form4_1765223317.xml · nonDerivative · entry 1

McKeon Timothy · CIK 0001595098 · Senior VP and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,126

F1 · shares: 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 · price: The stock vested on December 2, 2025 and is related to stock granted on December 2, 2020. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on December 2, 2025 was $26.91. Shares were withheld for tax reporting on December 4, 2025.

SEC source: 0001832674-25-000005 · wk-form4_1765223196.xml · nonDerivative · entry 1

Beckwith Van H. · CIK 0001832674 · EVP, Secretary and CLO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 342,382.49

F1 · shares: 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 · price: The stock vested on December 2, 2025 and is related to stock granted on December 2, 2020. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on December 2, 2025 was $26.91. Shares were withheld for tax reporting on December 4, 2025.

SEC source: 0001767591-25-000005 · wk-form4_1763061292.xml · nonDerivative · entry 1

Richard Mark · CIK 0001767591 · President - Western Hemisphere

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 452,373.607

F1 · kind: The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on August 13, 2025.

F2 · balance_after: Includes 901.551 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the period ending March 31, 2025.

F3 · balance_after: Includes 10,193.461 shares of stock accumulated through dividend reinvestment as of September 30, 2025.

SEC source: 0001841752-25-000005 · wk-form4_1759343423.xml · derivative · entry 1

Smith Maurice S · CIK 0001841752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,728.754

Underlying: Common Stock · 1,372.04 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Stock equivalents acquired under the Halliburton Company Directors' Deferred Compensation Plan reported on a pro-rata basis to reflect Issuer's Plan quarter. Said Plan is an ongoing securities acquisition plan.

F4 · price: A portion of the stock equivalents are attributable to quarterly dividends and a portion are attributable to quarterly fees and are based on the closing price on September 24, 2025 of $24.44 and September 29, 2025 of $25.00.

F3 · derivative.exercise_date: The stock equivalent units were accrued under the Company's Directors' Deferred Compensation Plan and are settled in the Company's common stock following cessation as a director.

F3 · derivative.expiration_date: The stock equivalent units were accrued under the Company's Directors' Deferred Compensation Plan and are settled in the Company's common stock following cessation as a director.

SEC source: 0001062993-25-012311 · form4.xml · derivative · entry 1

Smith Maurice S · CIK 0001841752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,356.714

Underlying: Common Stock · 1,653.003 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Stock equivalents acquired under the Halliburton Company Directors' Deferred Compensation Plan reported on a pro-rata basis to reflect Issuer's Plan quarter. Said Plan is an ongoing securities acquisition plan.

F4 · price: A portion of the stock equivalents are attributable to quarterly dividends and a portion are attributable to quarterly fees and are based on the closing price on March 25, 2025 of $20.26 and March 27, 2025 of $20.57.

F3 · derivative.exercise_date: The stock equivalent units were accrued under the Company's Directors' Deferred Compensation Plan and are settled in the Company's common stock following cessation as a director.

F3 · derivative.expiration_date: The stock equivalent units were accrued under the Company's Directors' Deferred Compensation Plan and are settled in the Company's common stock following cessation as a director.

SEC source: 0001062993-25-010543 · form4.xml · nonDerivative · entry 1

Weiss Janet L · CIK 0001967277 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,768.867

SEC source: 0001062993-25-008243 · form4.xml · nonDerivative · entry 1

Slocum Jeffrey Shannon · CIK 0001970357 · President - Eastern Hemisphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,051.952

F1 · shares: 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 · price: The stock vested on April 27, 2025 and is related to stock granted on April 27, 2022. April 27, 2025 was a non-market business day. Shares were withheld for tax reporting on April 25, 2025. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on April 25, 2025 was $20.85.

F3 · balance_after: Includes 901.551 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the period ended March 31, 2025.

SEC source: 0001062993-25-006665 · form4.xml · derivative · entry 1

Smith Maurice S · CIK 0001841752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,703.711

Underlying: Common Stock · 1,345.046 shares

Expires not disclosed

F1 · derivative.exercise_price: The security converts to common stock on a one-for-one basis.

F2 · shares: Stock equivalents acquired under the Halliburton Company Directors' Deferred Compensation Plan reported on a pro-rata basis to reflect Issuer's Plan quarter. Said Plan is an ongoing securities acquisition plan.

F4 · price: A portion of the stock equivalents are attributable to quarterly dividends and a portion are attributable to quarterly fees and are based on the closing price on March 26, 2025 of $25.70 and March 28, 2025 of $25.07.

F3 · derivative.exercise_date: The stock equivalent units were accrued under the Company's Directors' Deferred Compensation Plan and are settled in the Company's common stock following cessation as a director.

F3 · derivative.expiration_date: The stock equivalent units were accrued under the Company's Directors' Deferred Compensation Plan and are settled in the Company's common stock following cessation as a director.

SEC source: 0001062993-25-005545 · form4.xml · nonDerivative · entry 1

Carre Eric · CIK 0001673421 · EVP & Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 127,101.377

F1 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 12, 2024.