FANG

SEC source: 0001539838-26-000042 · wk-form4_1773173335.xml · nonDerivative · entry 1

Stice Travis D. · CIK 0001559933 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By Stice Investments, Ltd.

Disclosed balance after: 306,463

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 $180.59 per share to $181.56 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 3.

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: 0001539838-26-000041 · wk-form4_1773173328.xml · nonDerivative · entry 1

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,614

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 $180.665 per share to $181.15 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: 0001539838-26-000040 · wk-form4_1773173316.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: 115,255

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 $181.36 per share to $181.59 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: 0001140361-26-008075 · form4.xml · nonDerivative · entry 1

SGF FANG Holdings, LP · CIK 0002080063 · 10% owner

Greth Lyndal · CIK 0002021141 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,686,727

F1 · kind: Pursuant to a letter agreement, dated November 28, 2025, by and between Diamondback Energy, Inc., a Delaware corporation (the "Company"), and SGF FANG Holdings, LP, a Delaware limited partnership ("SGF FANG"), SGF FANG sold 1,000,000 shares of common stock to the Company on March 4, 2026 at the March 4, 2026 closing price of the common stock on Nasdaq. Mrs. Greth is the ultimate beneficial owner of the shares held of record by SGF FANG and indirectly controls SGF Capital LLC, its general partner.

SEC source: 0001539838-26-000027 · wk-form4_1772578287.xml · nonDerivative · entry 3

McAllaster Chad · CIK 0002035975 · EVP-Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,889

F4 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the first tranche of the time-based restricted stock units granted to the reporting person on March 1, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

F2 · ownership.direct: These shares of common stock are jointly owned by the reporting person and his spouse.

SEC source: 0001539838-26-000027 · wk-form4_1772578287.xml · nonDerivative · entry 2

McAllaster Chad · CIK 0002035975 · EVP-Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,410

F3 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the time-based restricted stock units granted to the reporting person on March 1, 2025. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

F2 · ownership.direct: These shares of common stock are jointly owned by the reporting person and his spouse.

SEC source: 0001539838-26-000027 · wk-form4_1772578287.xml · nonDerivative · entry 1

McAllaster Chad · CIK 0002035975 · EVP-Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,858

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 equity incentive plan and will vest in three equal installments beginning on March 1, 2026.

F2 · ownership.direct: These shares of common stock are jointly owned by the reporting person and his spouse.

SEC source: 0001539838-26-000033 · wk-form4_1772578323.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,571

F7 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the first tranche of the time-based restricted stock units granted to the reporting person on March 1, 2025. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000033 · wk-form4_1772578323.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,031

F6 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the time-based restricted stock units granted to the reporting person on March 1, 2024. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000033 · wk-form4_1772578323.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,371

F5 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the third tranche of the time-based restricted stock units granted to the reporting person on March 1, 2023. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000033 · wk-form4_1772578323.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,652

F4 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement of the performance-based restricted stock units granted on March 1, 2023 and vested as of December 31, 2025 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, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2025.

SEC source: 0001539838-26-000033 · wk-form4_1772578323.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,092

F3 · shares: These securities are performance-based restricted stock units for the performance period from January 1, 2023 to December 31, 2025 that were granted under the issuer's equity incentive plan on March 1, 2023. All of these performance-based restricted stock units vested as of December 31, 2025 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, 2026.

SEC source: 0001539838-26-000033 · wk-form4_1772578323.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,662

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, 2027.

F2 · balance_after: The Reporting Person's previous Forms 4 incorrectly overstated the number of shares owned by a de minimis amount. The number of shares beneficially owned by the Reporting Person following the transactions reported herein has been updated accordingly.

SEC source: 0001539838-26-000028 · wk-form4_1772578293.xml · nonDerivative · entry 6

Thompson Jere W III · CIK 0002012978 · CFO, Executive VP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,475

F7 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the first tranche of the time-based restricted stock units granted to the reporting person on March 1, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000028 · wk-form4_1772578293.xml · nonDerivative · entry 5

Thompson Jere W III · CIK 0002012978 · CFO, Executive VP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,271

F6 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the time-based restricted stock units granted to the reporting person on March 1, 2025. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000028 · wk-form4_1772578293.xml · nonDerivative · entry 4

Thompson Jere W III · CIK 0002012978 · CFO, Executive VP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,986

F5 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the third tranche of the time-based restricted stock units granted to the reporting person on March 1, 2024. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000028 · wk-form4_1772578293.xml · nonDerivative · entry 3

Thompson Jere W III · CIK 0002012978 · CFO, Executive VP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,504

F4 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement of the performance-based restricted stock units granted on March 1, 2023 and vested as of December 31, 2025 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, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2025.

SEC source: 0001539838-26-000028 · wk-form4_1772578293.xml · nonDerivative · entry 2

Thompson Jere W III · CIK 0002012978 · CFO, Executive VP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,564

F3 · shares: These securities are performance-based restricted stock units for the performance period from January 1, 2023 to December 31, 2025 that were granted under the issuer's equity incentive plan on March 1, 2023. All of these performance-based restricted stock units vested as of December 31, 2025 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, 2026.

SEC source: 0001539838-26-000028 · wk-form4_1772578293.xml · nonDerivative · entry 1

Thompson Jere W III · CIK 0002012978 · CFO, Executive VP

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,848

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, 2026.

F2 · balance_after: The Reporting Person's previous Forms 4 incorrectly overstated the number of shares owned by a de minimis amount. The number of shares beneficially owned by the Reporting Person following the transactions reported herein has been updated accordingly.

SEC source: 0001539838-26-000031 · wk-form4_1772578310.xml · nonDerivative · entry 8

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,809

F8 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the first tranche of the time-based restricted stock units granted to the reporting person on March 1, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000031 · wk-form4_1772578310.xml · nonDerivative · entry 7

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,141

F7 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the time-based restricted stock units granted to the reporting person on March 1, 2025. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000031 · wk-form4_1772578310.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 106,536

F6 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the third tranche of the time-based restricted stock units granted to the reporting person on March 1, 2024. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000031 · wk-form4_1772578310.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 107,570

F5 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the performance-based restricted stock units granted to the reporting person on March 1, 2019. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000031 · wk-form4_1772578310.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,363

F4 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement of the performance-based restricted stock units granted on March 1, 2023 and vested as of December 31, 2025 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, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000031 · wk-form4_1772578310.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,822

F3 · shares: These securities reflect the vesting and settlement of the second tranche of the performance-based restricted stock units for the performance period from January 1, 2019 to December 31, 2021 that were granted under the issuer's equity incentive plan on March 1, 2019, as certified by the issuer's compensation committee, subject to continuous service requirements, vesting and settling in five substantially equal annual installments beginning on March 1, 2025. The number of shares were determined based on achieving 100% of target upon certification by the compensation committee of attainment of the applicable performance conditions on February 21, 2022.

SEC source: 0001539838-26-000031 · wk-form4_1772578310.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,845

F2 · shares: These securities are performance-based restricted stock units for the performance period from January 1, 2023 to December 31, 2025 that were granted under the issuer's equity incentive plan on March 1, 2023. All of these performance-based restricted stock units vested as of December 31, 2025 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, 2026.

SEC source: 0001539838-26-000031 · wk-form4_1772578310.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,267

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, 2026.

SEC source: 0001539838-26-000034 · wk-form4_1772578327.xml · nonDerivative · entry 6

Stice Travis D. · CIK 0001559933 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,788

F6 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the first tranche of the time-based restricted stock units granted to the reporting person on March 1, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000034 · wk-form4_1772578327.xml · nonDerivative · entry 5

Stice Travis D. · CIK 0001559933 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,176

F5 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the time-based restricted stock units granted to the reporting person on March 1, 2025. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000034 · wk-form4_1772578327.xml · nonDerivative · entry 4

Stice Travis D. · CIK 0001559933 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,598

F4 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the third tranche of the time-based restricted stock units granted to the reporting person on March 1, 2024. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000034 · wk-form4_1772578327.xml · nonDerivative · entry 3

Stice Travis D. · CIK 0001559933 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 169,479

F3 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement of the performance-based restricted stock units granted on March 1, 2023 and vested as of December 31, 2025 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, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2025.

SEC source: 0001539838-26-000034 · wk-form4_1772578327.xml · nonDerivative · entry 2

Stice Travis D. · CIK 0001559933 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,363

F2 · shares: These securities are performance-based restricted stock units for the performance period from January 1, 2023 to December 31, 2025 that were granted under the issuer's equity incentive plan on March 1, 2023. All of these performance-based restricted stock units vested as of December 31, 2025 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, 2026.

SEC source: 0001539838-26-000034 · wk-form4_1772578327.xml · nonDerivative · entry 1

Stice Travis D. · CIK 0001559933 · Director · Executive Chairman

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,345

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, 2026.

SEC source: 0001539838-26-000032 · wk-form4_1772578318.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,255

F7 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the first tranche of the time-based restricted stock units granted to the reporting person on March 1, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000032 · wk-form4_1772578318.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,027

F6 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the time-based restricted stock units granted to the reporting person on March 1, 2025. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000032 · wk-form4_1772578318.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 119,847

F5 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the third tranche of the time-based restricted stock units granted to the reporting person on March 1, 2024. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000032 · wk-form4_1772578318.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 120,526

F4 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement of the performance-based restricted stock units granted on March 1, 2023 and vested as of December 31, 2025 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, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000032 · wk-form4_1772578318.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: 128,679

F3 · shares: These securities are performance-based restricted stock units for the performance period from January 1, 2023 to December 31, 2025 that were granted under the issuer's equity incentive plan on March 1, 2023. All of these performance-based restricted stock units vested as of December 31, 2025 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, 2026.

SEC source: 0001539838-26-000032 · wk-form4_1772578318.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: 110,247

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, 2026.

F2 · balance_after: The Reporting Person's previous Forms 4 incorrectly overstated the number of shares owned by a de minimis amount. The number of shares beneficially owned by the Reporting Person following the transactions reported herein has been updated accordingly.

SEC source: 0001539838-26-000030 · wk-form4_1772578304.xml · nonDerivative · entry 10

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 158,614

F10 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the time-based restricted stock units granted to the reporting person on March 1, 2019. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000030 · wk-form4_1772578304.xml · nonDerivative · entry 9

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,306

F9 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the first tranche of the time-based restricted stock units granted to the reporting person on March 1, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000030 · wk-form4_1772578304.xml · nonDerivative · entry 8

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 162,520

F8 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the time-based restricted stock units granted to the reporting person on May 21, 2025. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000030 · wk-form4_1772578304.xml · nonDerivative · entry 7

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,822

F7 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the time-based restricted stock units granted to the reporting person on March 1, 2025. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000030 · wk-form4_1772578304.xml · nonDerivative · entry 6

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,268

F6 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the third tranche of the time-based restricted stock units granted to the reporting person on March 1, 2024. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000030 · wk-form4_1772578304.xml · nonDerivative · entry 5

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 166,450

F5 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the second tranche of the performance-based restricted stock units granted to the reporting person on March 1, 2019. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.

SEC source: 0001539838-26-000030 · wk-form4_1772578304.xml · nonDerivative · entry 4

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 167,488

F4 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement of the performance-based restricted stock units granted on March 1, 2023 and vested as of December 31, 2025 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, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2025.

SEC source: 0001539838-26-000030 · wk-form4_1772578304.xml · nonDerivative · entry 3

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 181,826

F3 · shares: These securities reflect the vesting and settlement of the second tranche of the performance-based restricted stock units for the performance period from January 1, 2019 to December 31, 2021 that were granted under the issuer's equity incentive plan on March 1, 2019, as certified by the issuer's compensation committee, subject to continuous service requirements, vesting and settling in five substantially equal annual installments beginning on March 1, 2025. The number of shares were determined based on achieving 100% of target upon certification by the compensation committee of attainment of the applicable performance conditions on February 21, 2022.

SEC source: 0001539838-26-000030 · wk-form4_1772578304.xml · nonDerivative · entry 2

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 179,190

F2 · shares: These securities are performance-based restricted stock units for the performance period from January 1, 2023 to December 31, 2025 that were granted under the issuer's equity incentive plan on March 1, 2023. All of these performance-based restricted stock units vested as of December 31, 2025 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, 2026.

SEC source: 0001539838-26-000030 · wk-form4_1772578304.xml · nonDerivative · entry 1

Van't Hof Matthew Kaes · CIK 0001704666 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,754

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, 2026.

SEC source: 0001539838-26-000029 · wk-form4_1772578299.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,392

F7 · shares: The issuer withheld shares of common stock that would have otherwise been issuable to the reporting person to satisfy the issuer's tax withholding obligations in connection with the vesting and settlement on March 1, 2026 of the first tranche of the time-based restricted stock units granted to the reporting person on March 1, 2026. The number of shares of common stock withheld was determined based on the closing price per share of the issuer's common stock on February 27, 2026.