Robuck Richard N

SEC source: 0001717009-26-000008 · wk-form4_1773697860.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,101

F1 · price: Represents a weighted average price of open market same day sales. Sales of shares took place in multiple transactions at actual prices ranging from $121.72 to $121.92 per share, inclusive.

F2 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Chord Energy Corporation, or a Chord Energy Corporation shareholder.

SEC source: 0001717009-26-000005 · wk-form4_1772748718.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,101

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of Issuer's common stock, par value $0.01 per share ("Common Stock") pursuant to the Issuer's 2020 Long Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common Stock on March 3, 2026.

SEC source: 0001717009-26-000002 · wk-form4_1769479319.xml · derivative · entry 4

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,588

Underlying: Common Stock · 2,769 shares

Expires not disclosed

F4 · derivative.exercise_price: The Reporting Person was granted 2,769 target Market Stock Units ("Target MSUs") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Market Stock Unit represents a contingent right to receive a number of shares of Common Stock equal to the Target MSUs multiplied by a factor reflecting the cumulative TSR over a three-year period beginning January 1, 2026, which factor is based on the Company's ending stock price plus cumulative dividends paid for such period divided by the Company's beginning stock price for such period. The number of Market Stock Units earned by Reporting person shall not exceed 200% of the Target MSUs.

F4 · price: The Reporting Person was granted 2,769 target Market Stock Units ("Target MSUs") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Market Stock Unit represents a contingent right to receive a number of shares of Common Stock equal to the Target MSUs multiplied by a factor reflecting the cumulative TSR over a three-year period beginning January 1, 2026, which factor is based on the Company's ending stock price plus cumulative dividends paid for such period divided by the Company's beginning stock price for such period. The number of Market Stock Units earned by Reporting person shall not exceed 200% of the Target MSUs.

F4 · derivative.exercise_date: The Reporting Person was granted 2,769 target Market Stock Units ("Target MSUs") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Market Stock Unit represents a contingent right to receive a number of shares of Common Stock equal to the Target MSUs multiplied by a factor reflecting the cumulative TSR over a three-year period beginning January 1, 2026, which factor is based on the Company's ending stock price plus cumulative dividends paid for such period divided by the Company's beginning stock price for such period. The number of Market Stock Units earned by Reporting person shall not exceed 200% of the Target MSUs.

F4 · derivative.expiration_date: The Reporting Person was granted 2,769 target Market Stock Units ("Target MSUs") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Market Stock Unit represents a contingent right to receive a number of shares of Common Stock equal to the Target MSUs multiplied by a factor reflecting the cumulative TSR over a three-year period beginning January 1, 2026, which factor is based on the Company's ending stock price plus cumulative dividends paid for such period divided by the Company's beginning stock price for such period. The number of Market Stock Units earned by Reporting person shall not exceed 200% of the Target MSUs.

SEC source: 0001717009-26-000002 · wk-form4_1769479319.xml · derivative · entry 3

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,819

Underlying: Common Stock · 3,461 shares

Expires not disclosed

F3 · derivative.exercise_price: The Reporting Person was granted 3,461 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 200% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2026. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

F3 · price: The Reporting Person was granted 3,461 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 200% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2026. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

F3 · derivative.exercise_date: The Reporting Person was granted 3,461 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 200% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2026. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

F3 · derivative.expiration_date: The Reporting Person was granted 3,461 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 200% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2026. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

SEC source: 0001717009-26-000002 · wk-form4_1769479319.xml · nonDerivative · entry 2

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,661

F2 · price: The Reporting Person was granted 11,076 Restricted Stock Units by the Issuer as part of his ordinary course annual compensation package pursuant to the Issuer's LTIP. Each Restricted Stock Unit represents a contingent right to receive one share Common Stock.

SEC source: 0001717009-26-000002 · wk-form4_1769479319.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,585

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of Issuer's common stock, par value $0.01 per share ("Common Stock") pursuant to the Issuer's 2020 Long Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common stock on January 21, 2026.

SEC source: 0001628280-25-010950 · wk-form4_1741296915.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,629

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of Issuer's common stock, par value $0.01 per share ("Common Stock") pursuant to the Issuer's Long Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common stock on March 3, 2025.

SEC source: 0001628280-25-005271 · wk-form4_1739409270.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,189

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of Issuer's common stock, par value $0.01 per share ("Common Stock") pursuant to the Issuer's Long Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common stock on February 10, 2025.

SEC source: 0001628280-25-002538 · wk-form4_1737761834.xml · derivative · entry 2

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,358

Underlying: Common Stock · 2,757 shares

Expires not disclosed

F2 · derivative.exercise_price: The Reporting Person was granted 2,757 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2025. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

F2 · kind: The Reporting Person was granted 2,757 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2025. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

F2 · price: The Reporting Person was granted 2,757 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2025. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

F2 · derivative.exercise_date: The Reporting Person was granted 2,757 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2025. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

F2 · derivative.expiration_date: The Reporting Person was granted 2,757 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2025. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

SEC source: 0001628280-25-002538 · wk-form4_1737761834.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,616

F1 · price: The Reporting Person was granted 7,353 Restricted Stock Units by the Issuer as part of his ordinary course annual compensation package pursuant to the Issuer's Long Term Incentive Plan ("LTIP"). Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.01 per share ("Common Stock").

SEC source: 0001628280-25-001756 · wk-form4_1737066832.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,263

F1 · shares: In connection with the vesting and settlement of performance share units through the issuance of Issuer's common stock, par value $0.01 per share ("Common Stock") pursuant to the Issuer's Long Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common stock on January 14, 2025.

SEC source: 0001628280-25-000398 · wk-form4_1735947225.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,028

F1 · shares: In connection with the vesting and settlement of performance share units through the issuance of Issuer's common stock, par value $0.01 per share ("Common Stock") pursuant to the Issuer's 2020 Long Term Incentive Plan, the Issuer withheld Common Stock that would otherwise have been issued to the Reporting Person to satisfy his tax withholding obligations. The number of shares of Common Stock withheld was determined based on the closing price per share of Common stock on December 30, 2024.

SEC source: 0001628280-24-039443 · wk-form4_1725494685.xml · derivative · entry 1

Robuck Richard N · CIK 0001717009 · EVP, CFO and Treasurer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12 shares

Expires 2024-11-19

F1 · kind: The reporting person transferred these warrants as a gift to a donor advised fund.

F2 · derivative.underlying: Represents warrants to purchase shares of the Issuer's common stock that were originally issued in connection with the Joint Prepackaged Chapter 11 Plan of Reorganization of Oasis (the Issuer's predecessor) and its Debtor Affiliates (as amended, modified or supplemented from time to time, the "Plan"), on November 19, 2020 (the effective date of the Plan). Each Warrant is exercisable for one share of the Issuer's common stock from the date of issuance until 5:00 p.m., New York time, on the expiration date. The receipt of warrants was involuntary, without additional consideration and in accordance with the Plan approved by the U.S. Bankruptcy Court for the Southern District of Texas.

SEC source: 0001628280-24-009523 · wk-form4_1709773219.xml · derivative · entry 2

Robuck Richard N · CIK 0001717009 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,601

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: The Reporting Person was granted 1,601 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the 2020 LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2024. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

F2 · derivative.exercise_date: The Reporting Person was granted 1,601 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the 2020 LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2024. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

F2 · derivative.expiration_date: The Reporting Person was granted 1,601 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the 2020 LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2024. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

F2 · derivative.underlying_shares: The Reporting Person was granted 1,601 target Performance Share Units ("Target Performance Units") by the Issuer as part of his ordinary course annual compensation package pursuant to the 2020 LTIP. Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of Target Performance Units ("Earned Performance Units"), depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning January 1, 2024. However, if the number of Earned Performance Units exceeds the number of Target Performance Units, then such excess will be settled in cash rather than Common Stock.

SEC source: 0001628280-24-009523 · wk-form4_1709773219.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,978

F1 · price: The Reporting Person was granted 4,268 Restricted Stock Units by the Issuer as part of his ordinary course annual compensation package pursuant to the Issuer's 2020 Long Term Incentive Plan (the "2020 LTIP"). Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock, par value $0.01 per share ("Common Stock").

SEC source: 0000899243-22-004724 · doc4.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · price: On February 1, 2022, pursuant to that certain Agreement and Plan of Merger, dated as of October 25, 2021 (the "Merger Agreement"), by and among Oasis Midstream Partners LP ("OMP"), OMP GP LLC, Crestwood Equity Partners LP ("Crestwood"), Project Phantom Merger Sub LLC, Project Falcon Merger Sub LLC and Crestwood Equity GP LLC, (i) each common unit representing limited partner interests in OMP (other than the Sponsor Units (as defined in the Merger Agreement)) issued and outstanding immediately prior to the Effective Time (as defined in the Merger Agreement) was converted into the right to receive 0.8700 common units representing limited partner interests in Crestwood ("Crestwood Common Units"). On January 31, 2022 (the last trading day prior to the Effective Time), the closing price of the Crestwood Common Units was $27.48.

SEC source: 0001209191-21-024246 · doc4.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,797

F1 · shares: On March 22, 2021, the Issuer entered into a Contribution and Simplification Agreement (the "Contribution and Simplification Agreement"), by and among the Issuer, OMP GP, LLC (the "General Partner"), and certain other parties thereto. Upon the consummation of the transactions contemplated by the Contribution and Simplification Agreement, which occurred on March 30, 2021, certain Class B Units representing membership interests in the General Partner that were previously issued to the Reporting Person by the General Partner were converted into and exchanged for unrestricted common units representing limited partner interests in the Partnership.

SEC source: 0001209191-21-015071 · doc4.xml · derivative · entry 1

Robuck Richard N · CIK 0001717009 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common units representing limited partnership interests · 3,433 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one common unit representing a limited partner interest of Oasis Midstream Partners LP.

F2 · derivative.exercise_date: These Phantom Units vested in connection with Oasis Petroleum Inc.'s emergence from bankruptcy.

F2 · derivative.expiration_date: These Phantom Units vested in connection with Oasis Petroleum Inc.'s emergence from bankruptcy.

F3 · balance_after: On June 12, 2020, the Reporting Person voluntarily forfeited 2,830 Phantom Units in connection with the new Oasis Petroleum Inc. executive compensation program. Due to an administrative error, it was incorrectly reported on the Reporting Person's Form 4 filed on June 12, 2020, that the Reporting Person forfeited 3,090 Phantom Units.

SEC source: 0001209191-20-036412 · doc4.xml · derivative · entry 1

Robuck Richard N · CIK 0001717009 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,173

Underlying: Common units representing limited partnership interests · 3,090 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one common unit representing a limited partner interest of Oasis Midstream Partners LP (the "Partnership").

F2 · derivative.exercise_date: The reported transaction involved the Reporting Person's voluntary forfeiture of 3,090 phantom units in connection with the new Oasis Petroleum Inc. executive compensation program.

F2 · derivative.expiration_date: The reported transaction involved the Reporting Person's voluntary forfeiture of 3,090 phantom units in connection with the new Oasis Petroleum Inc. executive compensation program.

SEC source: 0001209191-20-015702 · doc4.xml · derivative · entry 1

Robuck Richard N · CIK 0001717009 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,263

Underlying: Common units representing limited partnership interests · 1,717 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one common unit representing a limited partner interest of Oasis Midstream Partners LP (the "Partnership").

F2 · derivative.exercise_date: An award of 5,150 cash-settled Phantom Units was granted to the reporting person on January 17, 2019. The Phantom Units generally vest in three equal installments on the first business day following the date on which the Partnership makes a distribution for the quarters ending on each of December 31, 2019, 2020, and 2021 subject to continued employment through each such vesting date. The first installment of Phantom Units vested on February 28, 2020.

F2 · derivative.expiration_date: An award of 5,150 cash-settled Phantom Units was granted to the reporting person on January 17, 2019. The Phantom Units generally vest in three equal installments on the first business day following the date on which the Partnership makes a distribution for the quarters ending on each of December 31, 2019, 2020, and 2021 subject to continued employment through each such vesting date. The first installment of Phantom Units vested on February 28, 2020.

SEC source: 0001209191-20-004579 · doc4.xml · derivative · entry 1

Robuck Richard N · CIK 0001717009 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,980

Underlying: Common units representing limited partnership interests · 2,830 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one common unit representing a limited partner interest of Oasis Midstream Partners LP (the "Partnership").

F2 · derivative.exercise_date: The Phantom Units are cash-settled awards and generally vest in three equal installments on the first business day following the date on which the Partnership makes a distribution for the quarters ending on each of December 31, 2020, 2021, and 2022 subject to continued employment through each such vesting date.

F2 · derivative.expiration_date: The Phantom Units are cash-settled awards and generally vest in three equal installments on the first business day following the date on which the Partnership makes a distribution for the quarters ending on each of December 31, 2020, 2021, and 2022 subject to continued employment through each such vesting date.

SEC source: 0001209191-19-004891 · doc4.xml · derivative · entry 1

Robuck Richard N · CIK 0001717009 · SVP and CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,150

Underlying: Common units representing limited partnership interests · 5,150 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Phantom Unit is the economic equivalent of one common unit representing a limited partner interest of Oasis Midstream Partners LP (the "Partnership").

F2 · derivative.exercise_date: The Phantom Units are cash-settled awards and generally vest in three equal installments on the first business day following the date on which the Partnership makes a distribution for the quarters ending on each of December 31, 2019, 2020, and 2021 subject to continued employment through each such vesting date.

F2 · derivative.expiration_date: The Phantom Units are cash-settled awards and generally vest in three equal installments on the first business day following the date on which the Partnership makes a distribution for the quarters ending on each of December 31, 2019, 2020, and 2021 subject to continued employment through each such vesting date.

SEC source: 0000899243-17-022656 · doc4.xml · nonDerivative · entry 1

Robuck Richard N · CIK 0001717009 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,500

F1 · shares: Reporting Person purchased the securities through the Directed Unit Program conducted in connection with the Issuer's initial public offering.