FANG

SEC source: 0001539838-25-000037 · wk-form4_1741139854.xml · nonDerivative · entry 2

Dick Teresa L. · CIK 0001559931 · CAO, Exec. VP, Assist. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 117,598

F2 · shares: These securities are performance-based restricted stock units for the performance period from January 1, 2022 to December 31, 2024 that were granted under the issuer's equity incentive plan on March 1, 2022. All of these performance-based restricted stock units vested as of December 31, 2024 following the certification by the issuer's compensation committee of the applicable performance conditions for such performance-based restricted stock unit awards settling on March 1, 2025.

SEC source: 0001539838-25-000037 · wk-form4_1741139854.xml · nonDerivative · entry 1

Dick Teresa L. · CIK 0001559931 · CAO, Exec. VP, Assist. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,528

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted under the issuer's equity incentive plan and will vest in three equal installments beginning on March 1, 2025.

SEC source: 0001539838-25-000043 · wk-form4_1741139917.xml · nonDerivative · entry 1

Tsuru Frank D. · CIK 0001936468 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,730

SEC source: 0001539838-25-000013 · wk-form4_1738617201.xml · nonDerivative · entry 1

HOLDERNESS DARIN G · CIK 0001187965 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 399

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to Mr. Holderness as a prorated annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of June 6, 2025 and the date of the 2025 annual meeting of stockholders of the issuer.

SEC source: 0001539838-24-000219 · wk-form4_1734471293.xml · nonDerivative · entry 1

WEST STEVEN E · CIK 0001190898 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,135

SEC source: 0001539838-24-000218 · wk-form4_1734471284.xml · nonDerivative · entry 1

Van't Hof Matthew Kaes · CIK 0001704666 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,718

F1 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $163.41 per share to $163.555 per share, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., 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 range set forth in this footnote.

SEC source: 0001539838-24-000215 · wk-form4_1733780366.xml · nonDerivative · entry 1

Plaumann Mark Lawrence · CIK 0001290795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,302

SEC source: 0001539838-24-000214 · wk-form4_1733780355.xml · nonDerivative · entry 1

Stice Travis D. · CIK 0001559933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · TBS Legacy Investments, Ltd.

Disclosed balance after: 20,400

F1 · shares: These securities were sold by TBS Legacy Investments, Ltd. in which the Stice 2023 Children's Trust holds 100% of the limited partnership units. Mr. Stice's adult children are the beneficiaries of the Stice 2023 Children's Trust.

F2 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $172.3701 per share to $172.645 per share, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., 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 range set forth in this footnote.

F3 · ownership.direct: The Stice 2023 Children's Trust for the benefit of Mr. Stice's adult children is the limited partner of TBS Legacy Investments, Ltd. Mr. Stice and his spouse serve as the trustees of the Stice 2023 Children's Trust and, as a result, may be deemed to have beneficial ownership of the securities in which their adult children have a pecuniary interest. Further, Stice Management, LLC serves as the general partner of TBS Legacy Investments, Ltd. Mr. Stice and his spouse hold 100% of the membership interests in Stice Management, LLC, of which Mr. Stice is the manager.

F3 · ownership.nature: The Stice 2023 Children's Trust for the benefit of Mr. Stice's adult children is the limited partner of TBS Legacy Investments, Ltd. Mr. Stice and his spouse serve as the trustees of the Stice 2023 Children's Trust and, as a result, may be deemed to have beneficial ownership of the securities in which their adult children have a pecuniary interest. Further, Stice Management, LLC serves as the general partner of TBS Legacy Investments, Ltd. Mr. Stice and his spouse hold 100% of the membership interests in Stice Management, LLC, of which Mr. Stice is the manager.

SEC source: 0001539838-24-000209 · wk-form4_1731963694.xml · nonDerivative · entry 1

Meloy Charles Alvin · CIK 0001333454 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Wolfrock Energy, LLC

Disclosed balance after: 1,085,017

F1 · balance_after: These shares of common stock are held directly by Wolfrock Energy, LLC, a Texas limited liability company. Charles A. Meloy is the sole manager and has voting and dispositive power over the shares of common stock of Wolfrock Energy, LLC.

F1 · ownership.direct: These shares of common stock are held directly by Wolfrock Energy, LLC, a Texas limited liability company. Charles A. Meloy is the sole manager and has voting and dispositive power over the shares of common stock of Wolfrock Energy, LLC.

F1 · ownership.nature: These shares of common stock are held directly by Wolfrock Energy, LLC, a Texas limited liability company. Charles A. Meloy is the sole manager and has voting and dispositive power over the shares of common stock of Wolfrock Energy, LLC.

SEC source: 0001539838-24-000206 · wk-form4_1731622466.xml · nonDerivative · entry 5

Plaumann Mark Lawrence · CIK 0001290795 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Greyhawke Capital Advisors LLC

Disclosed balance after: 9,236

F2 · ownership.direct: The remaining shares held by Greyhawke were previously assigned by Mr. Plaumann to Greyhawke under the terms of his employment with Greyhawke. As a managing member of Greyhawke and a holder of a 50% membership interest therein, Mr. Plaumann may be deemed to have a pecuniary interest in the securities held by Greyhawke.

SEC source: 0001539838-24-000206 · wk-form4_1731622466.xml · nonDerivative · entry 4

Plaumann Mark Lawrence · CIK 0001290795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,402

SEC source: 0001539838-24-000206 · wk-form4_1731622466.xml · nonDerivative · entry 3

Plaumann Mark Lawrence · CIK 0001290795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,712

SEC source: 0001539838-24-000206 · wk-form4_1731622466.xml · nonDerivative · entry 2

Plaumann Mark Lawrence · CIK 0001290795 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,862

F1 · shares: These shares were distributed by Greyhawke Capital Advisors LLC ("Greyhawke") in a partial in-kind distribution to Mr. Plaumann and the Martin and Selma Rosen GST Trust FBO Robert Rosen and Descendants U/A December 15, 2015 (the "MS Trust") proportionate to their respective membership interests in Greyhawke (the "Distribution"). Mr. Plaumann holds a 50% ownership interest in Greyhawke and, as a result, received 5,862 shares in the Distribution. Mr. Plaumann is the trustee of the MS Trust. Mr. Plaumann, however, is not a beneficiary of the MS Trust, and disclaims any pecuniary interest in the 5,862 shares distributed by Greyhawke to the MS Trust in the Distribution. The Distribution did not involve a purchase or a sale of securities or any additional consideration, and did not result in a change in Mr. Plaumann's pecuniary interest in the shares.

F1 · balance_after: These shares were distributed by Greyhawke Capital Advisors LLC ("Greyhawke") in a partial in-kind distribution to Mr. Plaumann and the Martin and Selma Rosen GST Trust FBO Robert Rosen and Descendants U/A December 15, 2015 (the "MS Trust") proportionate to their respective membership interests in Greyhawke (the "Distribution"). Mr. Plaumann holds a 50% ownership interest in Greyhawke and, as a result, received 5,862 shares in the Distribution. Mr. Plaumann is the trustee of the MS Trust. Mr. Plaumann, however, is not a beneficiary of the MS Trust, and disclaims any pecuniary interest in the 5,862 shares distributed by Greyhawke to the MS Trust in the Distribution. The Distribution did not involve a purchase or a sale of securities or any additional consideration, and did not result in a change in Mr. Plaumann's pecuniary interest in the shares.

SEC source: 0001539838-24-000206 · wk-form4_1731622466.xml · nonDerivative · entry 1

Plaumann Mark Lawrence · CIK 0001290795 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Greyhawke Capital Advisors LLC

Disclosed balance after: 9,476

F1 · shares: These shares were distributed by Greyhawke Capital Advisors LLC ("Greyhawke") in a partial in-kind distribution to Mr. Plaumann and the Martin and Selma Rosen GST Trust FBO Robert Rosen and Descendants U/A December 15, 2015 (the "MS Trust") proportionate to their respective membership interests in Greyhawke (the "Distribution"). Mr. Plaumann holds a 50% ownership interest in Greyhawke and, as a result, received 5,862 shares in the Distribution. Mr. Plaumann is the trustee of the MS Trust. Mr. Plaumann, however, is not a beneficiary of the MS Trust, and disclaims any pecuniary interest in the 5,862 shares distributed by Greyhawke to the MS Trust in the Distribution. The Distribution did not involve a purchase or a sale of securities or any additional consideration, and did not result in a change in Mr. Plaumann's pecuniary interest in the shares.

F2 · ownership.direct: The remaining shares held by Greyhawke were previously assigned by Mr. Plaumann to Greyhawke under the terms of his employment with Greyhawke. As a managing member of Greyhawke and a holder of a 50% membership interest therein, Mr. Plaumann may be deemed to have a pecuniary interest in the securities held by Greyhawke.

SEC source: 0001539838-24-000202 · wk-form4_1731445627.xml · nonDerivative · entry 1

REEVES ROBERT K · CIK 0001188140 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,667

SEC source: 0001140361-24-041813 · form4.xml · nonDerivative · entry 4

Greth Lyndal · CIK 0002021141 · 10% owner

ACS Capital Management, LLC · CIK 0002036250 · 10% owner

ACS Capital Holdings, LP · CIK 0002036984 · 10% owner

Stephens Family Trust · CIK 0002021136 · 10% owner

Stephens Family Trust #2 · CIK 0002021135 · 10% owner

SFT Management, LLC · CIK 0002036247 · 10% owner

SFT 1 Holdings, LLC · CIK 0002036246 · 10% owner

SFT 2 Holdings, LLC · CIK 0002036245 · 10% owner

Autry Stephens Management Trust · CIK 0002021106 · 10% owner

Endeavor Manager, LLC · CIK 0002021108 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 31,947,366

F4 · ownership.nature: By SFT 2 Holdings, LLC. Lyndal Stephens Greth is the sole Investment Direction Adviser who may direct investment decisions of the Stephens Family Trust #2, a directed trust, a co-trustee of the Stephens Family Trust #2, and the sole member and manager of SFT Management, LLC. The Stephens Family Trust #2 is the sole member of SFT 2 Holdings, LLC. SFT Management, LLC is the sole manager of SFT 2 Holdings, LLC. Lyndal Stephens Greth has voting and dispositive power over the shares held directly by SFT 2 Holdings, LLC.

F5 · ownership.nature: Lyndal Stephens Greth may be deemed to beneficially own the shares of Company Common Stock beneficially owned by each of the Reporting Persons but disclaims beneficial ownership except to the extent of her pecuniary interest therein.

SEC source: 0001140361-24-041813 · form4.xml · nonDerivative · entry 3

Greth Lyndal · CIK 0002021141 · 10% owner

ACS Capital Management, LLC · CIK 0002036250 · 10% owner

ACS Capital Holdings, LP · CIK 0002036984 · 10% owner

Stephens Family Trust · CIK 0002021136 · 10% owner

Stephens Family Trust #2 · CIK 0002021135 · 10% owner

SFT Management, LLC · CIK 0002036247 · 10% owner

SFT 1 Holdings, LLC · CIK 0002036246 · 10% owner

SFT 2 Holdings, LLC · CIK 0002036245 · 10% owner

Autry Stephens Management Trust · CIK 0002021106 · 10% owner

Endeavor Manager, LLC · CIK 0002021108 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 58,323,346

F3 · ownership.nature: By SFT 1 Holdings, LLC. Lyndal Stephens Greth is the sole Investment Direction Adviser who may direct investment decisions of the Stephens Family Trust, a directed trust, a co-trustee of the Stephens Family Trust, and the sole member and manager of SFT Management, LLC. The Stephens Family Trust is the sole member of SFT 1 Holdings, LLC. SFT Management, LLC is the sole manager of SFT 1 Holdings, LLC. Lyndal Stephens Greth has voting and dispositive power over the shares held directly by SFT 1 Holdings, LLC.

F5 · ownership.nature: Lyndal Stephens Greth may be deemed to beneficially own the shares of Company Common Stock beneficially owned by each of the Reporting Persons but disclaims beneficial ownership except to the extent of her pecuniary interest therein.

SEC source: 0001140361-24-041813 · form4.xml · nonDerivative · entry 2

Greth Lyndal · CIK 0002021141 · 10% owner

ACS Capital Management, LLC · CIK 0002036250 · 10% owner

ACS Capital Holdings, LP · CIK 0002036984 · 10% owner

Stephens Family Trust · CIK 0002021136 · 10% owner

Stephens Family Trust #2 · CIK 0002021135 · 10% owner

SFT Management, LLC · CIK 0002036247 · 10% owner

SFT 1 Holdings, LLC · CIK 0002036246 · 10% owner

SFT 2 Holdings, LLC · CIK 0002036245 · 10% owner

Autry Stephens Management Trust · CIK 0002021106 · 10% owner

Endeavor Manager, LLC · CIK 0002021108 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,037,819

F2 · ownership.nature: By Endeavor Manager, LLC. Lyndal Stephens Greth is the sole trustee of the Autry Stephens Management Trust dated March 20, 2018, as amended, and the sole manager of ACS Capital Management, LLC. ACS Capital Management, LLC is the general partner, and the Autry Stephens Management Trust is the sole limited partner of ACS Capital Holdings, LP. ACS Capital Holdings, LP is the sole member of Endeavor Manager, LLC. Lyndal Stephens Greth has voting and dispositive power over the shares held directly by Endeavor Manager, LLC.

F5 · ownership.nature: Lyndal Stephens Greth may be deemed to beneficially own the shares of Company Common Stock beneficially owned by each of the Reporting Persons but disclaims beneficial ownership except to the extent of her pecuniary interest therein.

SEC source: 0001140361-24-041813 · form4.xml · nonDerivative · entry 1

Greth Lyndal · CIK 0002021141 · 10% owner

ACS Capital Management, LLC · CIK 0002036250 · 10% owner

ACS Capital Holdings, LP · CIK 0002036984 · 10% owner

Stephens Family Trust · CIK 0002021136 · 10% owner

Stephens Family Trust #2 · CIK 0002021135 · 10% owner

SFT Management, LLC · CIK 0002036247 · 10% owner

SFT 1 Holdings, LLC · CIK 0002036246 · 10% owner

SFT 2 Holdings, LLC · CIK 0002036245 · 10% owner

Autry Stephens Management Trust · CIK 0002021106 · 10% owner

Endeavor Manager, LLC · CIK 0002021108 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 10,378,196

F1 · ownership.nature: By ACS Capital Holdings, LP. Lyndal Stephens Greth is the sole trustee of the Autry Stephens Management Trust dated March 20, 2018, as amended, and the sole manager of ACS Capital Management, LLC. ACS Capital Management, LLC is the general partner, and the Autry Stephens Management Trust is the sole limited partner of ACS Capital Holdings, LP. Lyndal Stephens Greth has voting and dispositive power over the shares held directly by ACS Capital Holdings, LP.

F5 · ownership.nature: Lyndal Stephens Greth may be deemed to beneficially own the shares of Company Common Stock beneficially owned by each of the Reporting Persons but disclaims beneficial ownership except to the extent of her pecuniary interest therein.

SEC source: 0001539838-24-000185 · wk-form4_1726172487.xml · nonDerivative · entry 1

Barkmann Albert · CIK 0002012976 · Exec. VP and Chief Engineer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,355

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted under the issuer's equity incentive plan and will vest in three equal installments beginning on September 10, 2025.

SEC source: 0001539838-24-000181 · wk-form4_1726172434.xml · nonDerivative · entry 1

REEVES ROBERT K · CIK 0001188140 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 835

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted under the issuer's long term incentive plan as an annual non-employee director grant and will vest on June 6, 2025.

SEC source: 0001539838-24-000184 · wk-form4_1726172468.xml · nonDerivative · entry 1

Meloy Charles Alvin · CIK 0001333454 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 858

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted under the issuer's long term incentive plan as an annual non-employee director grant and will vest on June 6, 2025.

SEC source: 0001539838-24-000183 · wk-form4_1726172455.xml · nonDerivative · entry 1

Robertson Lance W · CIK 0001567274 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,600

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted under the issuer's long term incentive plan as an annual non-employee director grant and will vest on June 6, 2025.

SEC source: 0001539838-24-000182 · wk-form4_1726172445.xml · nonDerivative · entry 1

Zmigrosky Matt · CIK 0001767328 · EVP, Chief Legal and Admin Off

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,173

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted under the issuer's equity incentive plan and will vest in five substantially equal installments beginning on September 10, 2025.

SEC source: 0001539838-24-000156 · wk-form4_1723493363.xml · nonDerivative · entry 1

Dick Teresa L. · CIK 0001559931 · CAO, Exec. VP, Assist. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,953

SEC source: 0001539838-24-000154 · wk-form4_1723493260.xml · nonDerivative · entry 2

Van't Hof Matthew Kaes · CIK 0001704666 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,718

F2 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $198.20 per share to $199.045 per share, inclusive.

SEC source: 0001539838-24-000154 · wk-form4_1723493260.xml · nonDerivative · entry 1

Van't Hof Matthew Kaes · CIK 0001704666 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 126,424

F1 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $197.20 per share to $198.19 per share, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., 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 range set forth in this footnote and in footnote 2.

SEC source: 0001539838-24-000141 · wk-form4_1718224428.xml · nonDerivative · entry 1

Barkmann Albert · CIK 0002012976 · Exec. VP and Chief Engineer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,162

SEC source: 0001539838-24-000140 · wk-form4_1718224413.xml · nonDerivative · entry 1

Wesson Daniel N · CIK 0001805429 · Exec. VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65,677

SEC source: 0001539838-24-000128 · wk-form4_1718049812.xml · nonDerivative · entry 1

Brooks Vincent K · CIK 0001809046 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · VKB Solutions, LLC

Disclosed balance after: 9,236

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to General Brooks as an annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of the one-year anniversary of the date of grant and the date of the 2025 annual meeting of stockholders of the issuer.

F2 · ownership.nature: These shares have been assigned by General Brooks to VKB Solutions LLC of which he is the sole member.

SEC source: 0001539838-24-000131 · wk-form4_1718049853.xml · nonDerivative · entry 1

KLEIN REBECCA A · CIK 0001488085 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,730

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to Ms. Klein as an annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of the one-year anniversary of the date of grant and the date of the 2025 annual meeting of stockholders of the issuer.

SEC source: 0001539838-24-000132 · wk-form4_1718049866.xml · nonDerivative · entry 1

Plaumann Mark Lawrence · CIK 0001290795 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Greyhawke Capital Advisors LLC

Disclosed balance after: 21,200

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to Mr. Plaumann as an annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of the one-year anniversary of the date of grant and the date of the 2025 annual meeting of stockholders of the issuer.

F2 · ownership.nature: These shares have been assigned by Mr. Plaumann to Greyhawke Capital Advisors LLC ("Greyhawke"), under the terms of his employment with Greyhawke. Mr. Plaumann is a managing member of Greyhawke. Mr. Plaumann holds a 50% ownership interest in Greyhawke and may be deemed to have a pecuniary interest in these securities.

SEC source: 0001539838-24-000129 · wk-form4_1718049827.xml · nonDerivative · entry 1

WEST STEVEN E · CIK 0001190898 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,135

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to Mr. West as an annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of the one-year anniversary of the date of grant and the date of the 2025 annual meeting of stockholders of the issuer.

SEC source: 0001539838-24-000134 · wk-form4_1718049890.xml · nonDerivative · entry 1

Houston David L · CIK 0001335995 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,600

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to Mr. Houston as an annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of the one-year anniversary of the date of grant and the date of the 2025 annual meeting of stockholders of the issuer.

SEC source: 0001539838-24-000127 · wk-form4_1718049800.xml · nonDerivative · entry 1

Trent Melanie Montague · CIK 0001343137 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,640

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to Ms. Trent as an annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of the one-year anniversary of the date of grant and the date of the 2025 annual meeting of stockholders of the issuer.

SEC source: 0001539838-24-000133 · wk-form4_1718049877.xml · nonDerivative · entry 1

Mains Stephanie K. · CIK 0001766980 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,236

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to Ms. Mains as an annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of the one-year anniversary of the date of grant and the date of the 2025 annual meeting of stockholders of the issuer.

SEC source: 0001539838-24-000130 · wk-form4_1718049841.xml · nonDerivative · entry 1

Tsuru Frank D. · CIK 0001936468 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,730

F1 · shares: These securities are restricted stock units, each representing a contingent right to receive one share of common stock, par value $0.01 per share, of the issuer. These restricted stock units were granted to Mr. Tsuru as an annual non-employee director grant under the issuer's equity incentive plan and will vest on the earlier of the one-year anniversary of the date of grant and the date of the 2025 annual meeting of stockholders of the issuer.

SEC source: 0001539838-24-000117 · wk-form4_1717531311.xml · nonDerivative · entry 1

Stice Travis D. · CIK 0001559933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Stice Investments, Ltd.

Disclosed balance after: 435,593

F1 · shares: Represents an estimated number of shares of the issuer's common stock held by Stice Investments, Ltd., which are subject to the gift by Travis Stice's spouse to the TDS 2024 Trust (the "Trust"), of which Mr. Stice is the sole trustee and primary beneficiary and his adult children are secondary beneficiaries. Effective as of May 31, 2024, Mr. Stice's spouse gifted an estimated 8% limited partner interest in Stice Investments, Ltd., which interest was owned by her as of that date as her sole and separate property, to the Trust pursuant to the gift assignment executed effective as of May 31, 2024, which interest was calculated based on the third party valuation of the fair market value of the gifted interest as of May 31, 2024, subject to completion of the final valuation.

F2 · balance_after: Stice Investments, Ltd. is managed by Stice Management, LLC, its general partner. Mr. Stice and his spouse hold 100% of the membership interest in Stice Management, LLC, of which Mr. Stice is the manager. Mr. Stice may be deemed to share beneficial ownership of securities beneficially owned by his spouse and, as a result, the gifted interest did not change Mr. Stice's beneficial ownership of the issuer's securities following the reported transaction(s).

F2 · ownership.direct: Stice Investments, Ltd. is managed by Stice Management, LLC, its general partner. Mr. Stice and his spouse hold 100% of the membership interest in Stice Management, LLC, of which Mr. Stice is the manager. Mr. Stice may be deemed to share beneficial ownership of securities beneficially owned by his spouse and, as a result, the gifted interest did not change Mr. Stice's beneficial ownership of the issuer's securities following the reported transaction(s).

F2 · ownership.nature: Stice Investments, Ltd. is managed by Stice Management, LLC, its general partner. Mr. Stice and his spouse hold 100% of the membership interest in Stice Management, LLC, of which Mr. Stice is the manager. Mr. Stice may be deemed to share beneficial ownership of securities beneficially owned by his spouse and, as a result, the gifted interest did not change Mr. Stice's beneficial ownership of the issuer's securities following the reported transaction(s).

SEC source: 0001539838-24-000113 · wk-form4_1717012971.xml · nonDerivative · entry 1

Barkmann Albert · CIK 0002012976 · Exec. VP and Chief Engineer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,162

F1 · shares: In connection with the issuer's acquisition of all of the outstanding publicly-held common units of Rattler Midstream LP ("Rattler") on August 24, 2022 (the "Rattler Merger"), each Rattler Phantom unit outstanding immediately prior to the effective time of the Rattler Merger under the Rattler Midstream LP Long-Term Incentive Plan was converted into the issuer's restricted stock unit award, as adjusted based on the merger exchange ratio. In connection with the vesting and settlement on May 28, 2024 of the last unvested tranche of the issuer's restricted stock units received by the reporting person in connection with the Rattler Merger, the issuer withheld shares of its common stock that would have otherwise been issuable to the reporting person to satisfy tax withholding obligations. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on May 24, 2024.

SEC source: 0001539838-24-000110 · wk-form4_1717012929.xml · nonDerivative · entry 2

Wesson Daniel N · CIK 0001805429 · Exec. VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,677

SEC source: 0001539838-24-000110 · wk-form4_1717012929.xml · nonDerivative · entry 1

Wesson Daniel N · CIK 0001805429 · Exec. VP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 75,677

F1 · shares: In connection with the issuer's acquisition of all of the outstanding publicly-held common units of Rattler Midstream LP ("Rattler") on August 24, 2022 (the "Rattler Merger"), each Rattler Phantom unit outstanding immediately prior to the effective time of the Rattler Merger under the Rattler Midstream LP Long-Term Incentive Plan was converted into the issuer's restricted stock unit award, as adjusted based on the merger exchange ratio. In connection with the vesting and settlement on May 28, 2024 of the last unvested tranche of the issuer's restricted stock units received by the reporting person in connection with the Rattler Merger, the issuer withheld shares of its common stock that would have otherwise been issuable to the reporting person to satisfy tax withholding obligations. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on May 24, 2024.

SEC source: 0001539838-24-000115 · wk-form4_1717012999.xml · nonDerivative · entry 1

Stice Travis D. · CIK 0001559933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Stice Investments, Ltd.

Disclosed balance after: 435,593

F1 · shares: In connection with the issuer's acquisition of all of the outstanding publicly-held common units of Rattler Midstream LP ("Rattler") on August 24, 2022 (the "Rattler Merger"), each Rattler Phantom unit outstanding immediately prior to the effective time of the Rattler Merger under the Rattler Midstream LP Long-Term Incentive Plan was converted into the issuer's restricted stock unit award, as adjusted based on the merger exchange ratio. In connection with the vesting and settlement on May 28, 2024 of the last unvested tranche of the issuer's restricted stock units received by the reporting person in connection with the Rattler Merger, the issuer withheld shares of its common stock that would have otherwise been issuable to the reporting person to satisfy tax withholding obligations. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on May 24, 2024.

F2 · ownership.direct: These securities are held by Stice Investments, Ltd., which is managed by Stice Management, LLC, its general partner. Mr. Stice and his spouse hold 100% of the membership interests in Stice Management, LLC, of which Mr. Stice is the manager.

F2 · ownership.nature: These securities are held by Stice Investments, Ltd., which is managed by Stice Management, LLC, its general partner. Mr. Stice and his spouse hold 100% of the membership interests in Stice Management, LLC, of which Mr. Stice is the manager.

SEC source: 0001539838-24-000114 · wk-form4_1717012986.xml · nonDerivative · entry 1

Van't Hof Matthew Kaes · CIK 0001704666 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,718

F1 · shares: In connection with the issuer's acquisition of all of the outstanding publicly-held common units of Rattler Midstream LP ("Rattler") on August 24, 2022 (the "Rattler Merger"), each Rattler Phantom unit outstanding immediately prior to the effective time of the Rattler Merger under the Rattler Midstream LP Long-Term Incentive Plan was converted into the issuer's restricted stock unit award, as adjusted based on the merger exchange ratio. In connection with the vesting and settlement on May 28, 2024 of the last unvested tranche of the issuer's restricted stock units received by the reporting person in connection with the Rattler Merger, the issuer withheld shares of its common stock that would have otherwise been issuable to the reporting person to satisfy tax withholding obligations. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on May 24, 2024.

SEC source: 0001539838-24-000112 · wk-form4_1717012955.xml · nonDerivative · entry 1

Zmigrosky Matt · CIK 0001767328 · EVP, Chief Legal and Admin Off

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,241

F1 · shares: In connection with the issuer's acquisition of all of the outstanding publicly-held common units of Rattler Midstream LP ("Rattler") on August 24, 2022 (the "Rattler Merger"), each Rattler Phantom unit outstanding immediately prior to the effective time of the Rattler Merger under the Rattler Midstream LP Long-Term Incentive Plan was converted into the issuer's restricted stock unit award, as adjusted based on the merger exchange ratio. In connection with the vesting and settlement on May 28, 2024 of the last unvested tranche of the issuer's restricted stock units received by the reporting person in connection with the Rattler Merger, the issuer withheld shares of its common stock that would have otherwise been issuable to the reporting person to satisfy tax withholding obligations. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on May 24, 2024.

SEC source: 0001539838-24-000111 · wk-form4_1717012941.xml · nonDerivative · entry 1

Dick Teresa L. · CIK 0001559931 · CAO, Exec. VP, Assist. Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,953

F1 · shares: In connection with the issuer's acquisition of all of the outstanding publicly-held common units of Rattler Midstream LP ("Rattler") on August 24, 2022 (the "Rattler Merger"), each Rattler Phantom unit outstanding immediately prior to the effective time of the Rattler Merger under the Rattler Midstream LP Long-Term Incentive Plan was converted into the issuer's restricted stock unit award, as adjusted based on the merger exchange ratio. In connection with the vesting and settlement on May 28, 2024 of the last unvested tranche of the issuer's restricted stock units received by the reporting person in connection with the Rattler Merger, the issuer withheld shares of its common stock that would have otherwise been issuable to the reporting person to satisfy tax withholding obligations. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on May 24, 2024.

SEC source: 0001539838-24-000103 · wk-form4_1716236036.xml · nonDerivative · entry 1

Zmigrosky Matt · CIK 0001767328 · EVP, Chief Legal and Admin Off

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,445

F1 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $198.12 per share to $198.16 per share, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., 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 range set forth in this footnote.

SEC source: 0001539838-24-000102 · wk-form4_1716236025.xml · nonDerivative · entry 2

Van't Hof Matthew Kaes · CIK 0001704666 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 160,882

F2 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $195.87 per share to $196.62 per share, inclusive.

SEC source: 0001539838-24-000102 · wk-form4_1716236025.xml · nonDerivative · entry 1

Van't Hof Matthew Kaes · CIK 0001704666 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 170,128

F1 · price: The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $194.87 per share to $195.86 per share, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., 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 range set forth in this footnote and footnote 2.

SEC source: 0001539838-24-000101 · wk-form4_1716236011.xml · nonDerivative · entry 1

Stice Travis D. · CIK 0001559933 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Stice Investments, Ltd.

Disclosed balance after: 436,610

F1 · ownership.direct: These securities are held by Stice Investments, Ltd., which is managed by Stice Management, LLC, its general partner. Mr. Stice and his spouse hold 100% of the membership interests in Stice Management, LLC, of which Mr. Stice is the manager.

F1 · ownership.nature: These securities are held by Stice Investments, Ltd., which is managed by Stice Management, LLC, its general partner. Mr. Stice and his spouse hold 100% of the membership interests in Stice Management, LLC, of which Mr. Stice is the manager.

SEC source: 0001539838-24-000097 · wk-form4_1715112371.xml · nonDerivative · entry 1

Thompson Jere W III · CIK 0002012978 · Exec. VP - Strategy & Corp Dev

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,585