HAL

SEC source: 0001841752-26-000022 · wk-form4_1790802745.xml · derivative · entry 1

Smith Maurice S · CIK 0001841752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,010.137

Underlying: Common Stock · 1,162.045 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 period. Said Plan is an ongoing securities acquisition plan.

F4 · price: A portion of the stock equivalents are attributable to dividends and a portion are attributable to quarterly fees and are based on the closing price on September 23, 2026 of $33.01 and September 29, 2026 of $31.54.

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: 0001673421-26-000014 · wk-form4_1788291977.xml · nonDerivative · entry 1

Carre Eric · CIK 0001673421 · EVP & Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 124,104.596

F1 · kind: The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on May 19, 2026.

F2 · balance_after: Includes 361.118 shares of stock accumulated through dividend reinvestment as of August 31, 2026.

SEC source: 0001970357-26-000016 · wk-form4_1787259159.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 118,729.952

F1 · kind: The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on May 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.00 to $35.43, inclusive. The Reporting Person undertakes to provide to Halliburton Company, any security holder of Halliburton Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001970357-26-000014 · wk-form4_1787167265.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 171,301.952

F1 · kind: The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on May 8, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.00 to $35.255, inclusive. The Reporting Person undertakes to provide to Halliburton Company, any security holder of Halliburton Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001558667-26-000020 · wk-form4_1787167249.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 889,388.615

F1 · kind: The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on May 13, 2026.

F2 · balance_after: Includes 844.595 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the period ending March 31, 2026.

SEC source: 0001841752-26-000015 · wk-form4_1782845630.xml · derivative · entry 1

Smith Maurice S · CIK 0001841752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,848.092

Underlying: Common Stock · 1,079.638 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 period. Said Plan is an ongoing securities acquisition plan.

F4 · price: A portion of the stock equivalents are attributable to dividends and a portion are attributable to quarterly fees and are based on the closing price on March 25, 2026 of $38.63, June 24, 2026 of $33.90, and June 29, 2026 of $34.09.

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: 0001673421-26-000012 · wk-form4_1782141896.xml · nonDerivative · entry 1

Carre Eric · CIK 0001673421 · EVP & Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 148,520.478

F1 · kind: The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on March 18, 2026.

F2 · balance_after: Includes 243.855 shares of stock accumulated through dividend reinvestment as of June 22, 2026.

SEC source: 0001832674-26-000016 · wk-form4_1779132291.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 146,186.49

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

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.15 to $41.38, inclusive. The Reporting Person undertakes to provide to Halliburton Company, any security holder of Halliburton Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0002107660-26-000005 · wk-form4_1778091284.xml · nonDerivative · entry 2

Maxwell Michael Casey · CIK 0002107660 · President - Western Hemisphere

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 93,762.783

F1 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 3, 2026.

F2 · balance_after: Includes 656.906 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the period ending March 31, 2026.

SEC source: 0002107660-26-000005 · wk-form4_1778091284.xml · nonDerivative · entry 1

Maxwell Michael Casey · CIK 0002107660 · President - Western Hemisphere

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 100,544.783

F1 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 3, 2026.

SEC source: 0001914276-26-000003 · wk-form4_1777651893.xml · nonDerivative · entry 2

Young Tobi M. · CIK 0001914276 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,250

SEC source: 0001914276-26-000003 · wk-form4_1777651893.xml · nonDerivative · entry 1

Young Tobi M. · CIK 0001914276 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,750

SEC source: 0001595098-26-000013 · wk-form4_1777651513.xml · nonDerivative · entry 1

McKeon Timothy · CIK 0001595098 · Senior VP and Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 72,976

F1 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2025.

SEC source: 0001841752-26-000007 · wk-form4_1774987081.xml · derivative · entry 1

Smith Maurice S · CIK 0001841752 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,768.454

Underlying: Common Stock · 827.815 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, 2026 of $38.63 and March 30, 2026 of $39.26.

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: 0001558667-26-000012 · wk-form4_1774893449.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,013,027.02

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

SEC source: 0001832674-26-000013 · wk-form4_1773769704.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 344,535.49

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

SEC source: 0001970357-26-000010 · wk-form4_1773769657.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 187,422.952

F1 · kind: The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on August 7, 2025.

SEC source: 0001595098-26-000010 · wk-form4_1773073748.xml · nonDerivative · entry 1

McKeon Timothy · CIK 0001595098 · Senior VP and Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 81,631

F1 · kind: The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 12, 2025.

SEC source: 0001595098-26-000008 · wk-form4_1772824549.xml · nonDerivative · entry 1

McKeon Timothy · CIK 0001595098 · Senior VP and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,477

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 Performance Unit shares were issued on February 27, 2026. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on February 27, 2026 was $36.00. Shares were withheld for tax reporting on March 5, 2026.

SEC source: 0001901659-26-000008 · wk-form4_1772824431.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 52,795.081

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 Performance Unit shares were issued on February 27, 2026. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on February 27, 2026 was $36.00. Shares were withheld for tax reporting on March 5, 2026.

SEC source: 0002102911-26-000017 · wk-form4_1772824279.xml · nonDerivative · entry 1

Yassine Rami · CIK 0002102911 · President - Eastern Hemisphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,061.84

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 Performance Unit shares were issued on February 27, 2026. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on February 27, 2026 was $36.00. Shares were withheld for tax reporting on March 5, 2026.

SEC source: 0001970357-26-000008 · wk-form4_1772824038.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 192,863.952

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 Performance Unit shares were issued on February 27, 2026. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on February 27, 2026 was $36.00. Shares were withheld for tax reporting on March 5, 2026

SEC source: 0001350647-26-000008 · wk-form4_1772823928.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 433,254.685

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 Performance Unit shares were issued on February 27, 2026. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on February 27, 2026 was $36.00. Shares were withheld for tax reporting on March 5, 2026.

SEC source: 0001832674-26-000011 · wk-form4_1772823845.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 364,153.49

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 Performance Unit shares were issued on February 27, 2026. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on February 27, 2026 was $36.00. Shares were withheld for tax reporting on March 5, 2026.

SEC source: 0001673421-26-000008 · wk-form4_1772823753.xml · nonDerivative · entry 1

Carre Eric · CIK 0001673421 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 173,054.623

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 Performance Unit shares were issued on February 27, 2026. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on February 27, 2026 was $36.00. Shares were withheld for tax reporting on March 5, 2026.

SEC source: 0001558667-26-000010 · wk-form4_1772823562.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,171,482.02

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 Performance Unit shares were issued on February 27, 2026. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on February 27, 2026 was $36.00. Shares were withheld for tax reporting on March 5, 2026.

SEC source: 0002102911-26-000015 · wk-form4_1772556558.xml · nonDerivative · entry 1

Yassine Rami · CIK 0002102911 · President - Eastern Hemisphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,468.84

F1 · shares: Shares of common stock issued to the reporting person on February 27, 2026, upon achievement of the performance criteria and vesting of performance share units granted on January 3, 2023, pursuant to the Halliburton Company Performance Unit Program.

SEC source: 0001970357-26-000006 · wk-form4_1772554485.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 196,267.952

F1 · shares: Shares of common stock issued to the reporting person on February 27, 2026, upon achievement of the performance criteria and vesting of performance share units granted on January 3, 2023, pursuant to the Halliburton Company Performance Unit Program.

SEC source: 0001901659-26-000006 · wk-form4_1772554425.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 54,034.081

F1 · shares: Shares of common stock issued to the reporting person on February 27, 2026, upon achievement of the performance criteria and vesting of performance share units granted on January 3, 2023, pursuant to the Halliburton Company Performance Unit Program.

SEC source: 0001350647-26-000006 · wk-form4_1772554336.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 445,983.685

F1 · shares: Shares of common stock issued to the reporting person on February 27, 2026, upon achievement of the performance criteria and vesting of performance share units granted on January 3, 2023, pursuant to the Halliburton Company Performance Unit Program.

SEC source: 0001832674-26-000009 · wk-form4_1772554139.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 376,882.49

F1 · shares: Shares of common stock issued to the reporting person on February 27, 2026, upon achievement of the performance criteria and vesting of performance share units granted on January 3, 2023, pursuant to the Halliburton Company Performance Unit Program.

SEC source: 0001595098-26-000006 · wk-form4_1772553961.xml · nonDerivative · entry 1

McKeon Timothy · CIK 0001595098 · Senior VP and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,716

F1 · shares: Shares of common stock issued to the reporting person on February 27, 2026, upon achievement of the performance criteria and vesting of performance share units granted on January 3, 2023, pursuant to the Halliburton Company Performance Unit Program.

SEC source: 0001673421-26-000006 · wk-form4_1772553853.xml · nonDerivative · entry 1

Carre Eric · CIK 0001673421 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 185,783.623

F1 · shares: Shares of common stock issued to the reporting person on February 27, 2026, upon achievement of the performance criteria and vesting of performance share units granted on January 3, 2023, pursuant to the Halliburton Company Performance Unit Program.

SEC source: 0001558667-26-000008 · wk-form4_1772553713.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,217,054.02

F1 · shares: Shares of common stock issued to the reporting person on February 27, 2026, upon achievement of the performance criteria and vesting of performance share units granted on January 3, 2023, pursuant to the Halliburton Company Performance Unit Program.

SEC source: 0001768654-26-000002 · wk-form4_1769536112.xml · nonDerivative · entry 1

Banks Margaret Katherine · CIK 0001768654 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,043

SEC source: 0001558667-26-000006 · wk-form4_1769444374.xml · derivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 171,200 shares

Expires 2028-12-05

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: Options disposed of through exercise pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 13, 2025.

SEC source: 0001558667-26-000006 · wk-form4_1769444374.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,101,243.02

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

SEC source: 0001558667-26-000006 · wk-form4_1769444374.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,272,443.02

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.

SEC source: 0001832674-26-000007 · wk-form4_1769444123.xml · derivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 54,348 shares

Expires 2030-01-15

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: Options disposed of through exercise pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 13, 2025.

SEC source: 0001832674-26-000007 · wk-form4_1769444123.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 344,535.49

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

SEC source: 0001832674-26-000007 · wk-form4_1769444123.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 398,883.49

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.

SEC source: 0001970357-26-000004 · wk-form4_1768250220.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 187,422.952

F3 · kind: The sale was effected pursuant to a Rule 10b5-l trading plan adopted by the Reporting Person on August 7, 2025.

SEC source: 0001832674-26-000005 · wk-form4_1768249992.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 344,535.49

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: 0001901659-26-000004 · wk-form4_1767998859.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,949.081

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: 0001350647-26-000004 · wk-form4_1767998676.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413,636.685

F1 · kind: 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: 0001767591-26-000004 · wk-form4_1767998785.xml · nonDerivative · entry 1

Richard Mark · CIK 0001767591 · President - Western Hemisphere

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 480,691.517

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: 0001595098-26-000004 · wk-form4_1767998514.xml · nonDerivative · entry 1

McKeon Timothy · CIK 0001595098 · Senior VP and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,631

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: 0001558667-26-000004 · wk-form4_1767998595.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,101,243.02

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 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: 0001673421-26-000004 · wk-form4_1767996374.xml · nonDerivative · entry 1

Carre Eric · CIK 0001673421 · EVP & Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 153,436.623

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: 0002081131-26-000005 · wk-form4_1767998397.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,974.422

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.