Reid Taylor L

SEC source: 0000899243-22-025572 · doc4.xml · derivative · entry 4

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 23,428 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.

F3 · derivative.exercise_price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

F3 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

F3 · derivative.exercise_date: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

F3 · derivative.expiration_date: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

SEC source: 0000899243-22-025572 · doc4.xml · derivative · entry 3

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,428

Underlying: Common Stock · 23,428 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: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.exercise_price: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · price: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · derivative.exercise_date: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.exercise_date: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F1 · derivative.expiration_date: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · derivative.expiration_date: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

SEC source: 0000899243-22-025572 · doc4.xml · nonDerivative · entry 2

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 207,458

F5 · kind: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies, as applicable, over a three- or four-year measurement period, as applicable, ended and the Reporting Person earned a total of 40,244 Performance Share Units, which earned Performance Share Units were settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. The amount reported in this row includes the 40,244 Performance Share Units described in this Note 5, as well as the additional 46,856 Performance Share Units described in Note 1 and the additional 46,856 Performance Share Units described in Note 3.

F5 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies, as applicable, over a three- or four-year measurement period, as applicable, ended and the Reporting Person earned a total of 40,244 Performance Share Units, which earned Performance Share Units were settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. The amount reported in this row includes the 40,244 Performance Share Units described in this Note 5, as well as the additional 46,856 Performance Share Units described in Note 1 and the additional 46,856 Performance Share Units described in Note 3.

SEC source: 0000899243-22-025572 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,502

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 · kind: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · kind: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F3 · kind: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

F1 · price: As a result of the merger (the "Merger") between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022, by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting (the "Merger Agreement"), the performance period associated with the Performance Share Units granted to the Reporting Person under Oasis 2020 Long Term Incentive Plan (the "Plan") that were originally subject to a total shareholder return performance goal over a three-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4),

F2 · price: (Continued from Footnote 1) or an additional 46,856 Performance Share Units, which earned Performance Share Units were settled in shares of the Issuer's common stock, par value $0.01 per share ("Common Stock"), upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger. Following the closing of the Merger, the Issuer changed its name to "Chord Energy Corporation."

F3 · price: As a result of the Merger, the performance period associated with the Performance Share Units granted to the Reporting Person under the Plan that were originally subject to a total shareholder return performance goal over a four-year measurement period ended and the Reporting Person earned 70,284 Performance Share Units (which represent 300% of the target number of Performance Share Units (23,428) originally reported by the Reporting Person on a prior Form 4), or an additional 46,856 Performance Share Units, which earned Performance Share Units were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

F4 · balance_after: Includes 22,203 shares of Common Stock subject to a previously granted restricted stock unit award, which were accelerated and settled in shares of Common Stock upon the Reporting Person ceasing to serve as President and Chief Operating Officer of the Issuer in connection with the Merger.

SEC source: 0000899243-22-004718 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · Chief Executive Officer

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: 0001209191-22-004234 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,646

F1 · shares: In connection with the vesting and settlement of restricted stock units through the issuance of the 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 18, 2022.

F2 · balance_after: Includes 22,203 shares of Common Stock subject to a previously granted restricted stock unit award that remains subject to vesting.

SEC source: 0001209191-21-024241 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,712

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 (the "Effective Date"), 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 restricted common units representing limited partner interests in the Partnership (the "Subject Units"). The Subject Units are subject to the following vesting schedule: (i) 34% of the Subject Units vested on the Effective Date, (ii) 33% of the Subject Units will vest on the first anniversary of the Effective Date and (iii) 33% of the Subject Units will vest on the second anniversary of the Effective Date.

SEC source: 0001209191-21-022187 · doc4.xml · derivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,056

Underlying: Common units representing limited partnership interests · 6,057 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 18,170 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 second installment of Phantom Units vested on March 19, 2021.

F2 · derivative.expiration_date: An award of 18,170 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 second installment of Phantom Units vested on March 19, 2021.

SEC source: 0001209191-21-004561 · doc4.xml · derivative · entry 3

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,856

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F3 · derivative.exercise_price: Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of the target number of shares of Common Stock shown in Table II, depending on the Company's TSR over a four-year measurement period beginning on January 15, 2021. For example, at the measurement dates in the last 12 months of the measurement period, TSR must increase by at least (i) 145% to achieve the maximum 300% of target, (ii) 85% to achieve 200% of target, (iii) 25% to achieve 100% of target. However, if at least 25% increase is not achieved on the measurement dates in the last 12 months of the four-year measurement period, no shares of Common Stock are earned. These Performance Share Units were granted as compensation under the 2020 LTIP.

F3 · derivative.exercise_date: Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of the target number of shares of Common Stock shown in Table II, depending on the Company's TSR over a four-year measurement period beginning on January 15, 2021. For example, at the measurement dates in the last 12 months of the measurement period, TSR must increase by at least (i) 145% to achieve the maximum 300% of target, (ii) 85% to achieve 200% of target, (iii) 25% to achieve 100% of target. However, if at least 25% increase is not achieved on the measurement dates in the last 12 months of the four-year measurement period, no shares of Common Stock are earned. These Performance Share Units were granted as compensation under the 2020 LTIP.

F3 · derivative.expiration_date: Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of the target number of shares of Common Stock shown in Table II, depending on the Company's TSR over a four-year measurement period beginning on January 15, 2021. For example, at the measurement dates in the last 12 months of the measurement period, TSR must increase by at least (i) 145% to achieve the maximum 300% of target, (ii) 85% to achieve 200% of target, (iii) 25% to achieve 100% of target. However, if at least 25% increase is not achieved on the measurement dates in the last 12 months of the four-year measurement period, no shares of Common Stock are earned. These Performance Share Units were granted as compensation under the 2020 LTIP.

F3 · derivative.underlying_shares: Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of the target number of shares of Common Stock shown in Table II, depending on the Company's TSR over a four-year measurement period beginning on January 15, 2021. For example, at the measurement dates in the last 12 months of the measurement period, TSR must increase by at least (i) 145% to achieve the maximum 300% of target, (ii) 85% to achieve 200% of target, (iii) 25% to achieve 100% of target. However, if at least 25% increase is not achieved on the measurement dates in the last 12 months of the four-year measurement period, no shares of Common Stock are earned. These Performance Share Units were granted as compensation under the 2020 LTIP.

SEC source: 0001209191-21-004561 · doc4.xml · derivative · entry 2

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,428

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F2 · derivative.exercise_price: Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of the target number of shares of Common Stock shown in Table II, depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning on January 15, 2021. For example, at the measurement dates in the last 12 months of the measurement period, TSR must increase at least (i) 145% to achieve the maximum 300% of target, (ii) 85% to achieve 200% of target, (iii) 25% to achieve 100% of target. However, if at least a 25% increase is not achieved on the measurement dates in the last 12 months of the three-year measurement period, no shares of Common Stock are earned. These Performance Share Units were granted as compensation under the 2020 LTIP.

F2 · derivative.exercise_date: Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of the target number of shares of Common Stock shown in Table II, depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning on January 15, 2021. For example, at the measurement dates in the last 12 months of the measurement period, TSR must increase at least (i) 145% to achieve the maximum 300% of target, (ii) 85% to achieve 200% of target, (iii) 25% to achieve 100% of target. However, if at least a 25% increase is not achieved on the measurement dates in the last 12 months of the three-year measurement period, no shares of Common Stock are earned. These Performance Share Units were granted as compensation under the 2020 LTIP.

F2 · derivative.expiration_date: Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of the target number of shares of Common Stock shown in Table II, depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning on January 15, 2021. For example, at the measurement dates in the last 12 months of the measurement period, TSR must increase at least (i) 145% to achieve the maximum 300% of target, (ii) 85% to achieve 200% of target, (iii) 25% to achieve 100% of target. However, if at least a 25% increase is not achieved on the measurement dates in the last 12 months of the three-year measurement period, no shares of Common Stock are earned. These Performance Share Units were granted as compensation under the 2020 LTIP.

F2 · derivative.underlying_shares: Each Performance Share Unit represents a contingent right to receive a number of shares of Common Stock, ranging from zero to 300% of the target number of shares of Common Stock shown in Table II, depending on the Company's total shareholder return ("TSR") over a three-year measurement period beginning on January 15, 2021. For example, at the measurement dates in the last 12 months of the measurement period, TSR must increase at least (i) 145% to achieve the maximum 300% of target, (ii) 85% to achieve 200% of target, (iii) 25% to achieve 100% of target. However, if at least a 25% increase is not achieved on the measurement dates in the last 12 months of the three-year measurement period, no shares of Common Stock are earned. These Performance Share Units were granted as compensation under the 2020 LTIP.

SEC source: 0001209191-21-004561 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,604

F1 · security: The Reporting Person was granted 29,604 Restricted Stock Units by the Issuer as compensation 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").

F1 · price: The Reporting Person was granted 29,604 Restricted Stock Units by the Issuer as compensation 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: 0001209191-20-059853 · doc4.xml · derivative · entry 6

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,733

Underlying: Common Stock · 1,733 shares

Expires 2024-11-19

F3 · kind: On September 30, 2020, Oasis Petroleum Inc. ("Oasis") and certain of its affiliates (together with Oasis, the "Company") commenced voluntary cases under Chapter 11 of the U.S. Bankruptcy Code ("Chapter 11") in the U.S. Bankruptcy Court for the Southern District of Texas (the "Bankruptcy Court"). On November 10, 2020 the Bankruptcy Court entered an order confirming the Joint Prepackaged Chapter 11 Plan of Reorganization of Oasis and its Debtor Affiliates (as amended, modified or supplemented from time to time, the "Plan"). On November 19, 2020 (the "Effective Date"), the Plan became effective in accordance with its terms and the Company emerged from Chapter 11.

F5 · kind: On the Effective Date, pursuant to and under the Plan, the Reporting Person received warrants (the "Warrants") to purchase shares of outstanding common stock, par value $0.01 per share, of Oasis (the "New Common Stock"), in exchange for all of the Reporting Person's outstanding shares of Oasis Common Stock, which were cancelled and extinguished in accordance with the Plan. Each Warrant is exercisable for one share of New 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 Bankruptcy Court.

F5 · price: On the Effective Date, pursuant to and under the Plan, the Reporting Person received warrants (the "Warrants") to purchase shares of outstanding common stock, par value $0.01 per share, of Oasis (the "New Common Stock"), in exchange for all of the Reporting Person's outstanding shares of Oasis Common Stock, which were cancelled and extinguished in accordance with the Plan. Each Warrant is exercisable for one share of New 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 Bankruptcy Court.

SEC source: 0001209191-20-059853 · doc4.xml · nonDerivative · entry 5

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · shares: On September 30, 2020, Oasis Petroleum Inc. ("Oasis") and certain of its affiliates (together with Oasis, the "Company") commenced voluntary cases under Chapter 11 of the U.S. Bankruptcy Code ("Chapter 11") in the U.S. Bankruptcy Court for the Southern District of Texas (the "Bankruptcy Court"). On November 10, 2020 the Bankruptcy Court entered an order confirming the Joint Prepackaged Chapter 11 Plan of Reorganization of Oasis and its Debtor Affiliates (as amended, modified or supplemented from time to time, the "Plan"). On November 19, 2020 (the "Effective Date"), the Plan became effective in accordance with its terms and the Company emerged from Chapter 11.

F4 · shares: On the Effective Date, all outstanding shares of Oasis common stock were cancelled and extinguished in accordance with the Plan approved by the Bankruptcy Court.

SEC source: 0001209191-20-059853 · doc4.xml · nonDerivative · entry 4

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 342,295

SEC source: 0001209191-20-059853 · doc4.xml · nonDerivative · entry 3

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 349,090

F2 · shares: Represents shares issuable to the reporting person in settlement of a grant of performance share units made on January 24, 2018. On November 18, 2020, these shares were determined to have been earned, and they vested on such date in connection with a change of control that occurred in connection with Oasis Petroleum Inc.'s voluntary cases under Chapter 11 of the U.S. Bankruptcy Code.

SEC source: 0001209191-20-059853 · doc4.xml · nonDerivative · entry 2

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 331,824

SEC source: 0001209191-20-059853 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 333,894

F1 · shares: Represents shares issuable to the reporting person in settlement of a grant of performance share units made on January 12, 2017. On November 18, 2020, these shares were determined to have been earned, and they vested on such date in connection with a change of control that occurred in connection with Oasis Petroleum Inc.'s voluntary cases under Chapter 11 of the U.S. Bankruptcy Code.

SEC source: 0001209191-20-058585 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 328,634

F1 · shares: Represents shares withheld to satisfy tax withholding obligations in connection with the acceleration following the Confirmation Date of certain restricted stock awards in connection with the change in control event that will occur on the effective date of the Plan (as defined below).

F2 · shares: On September 30, 2020, Oasis Petroleum Inc. ("Oasis") and certain of its affiliates commenced voluntary cases under Chapter 11 of the U.S. Bankruptcy Code in the U.S. Bankruptcy Court for the Southern District of Texas (the "Bankruptcy Court"). On November 10, 2020 (the "Confirmation Date") the Bankruptcy Court entered an order confirming the Joint Prepackaged Chapter 11 Plan of Reorganization of Oasis and its Debtor Affiliates (as amended, modified or supplemented from time to time, the "Plan").

F3 · balance_after: On the effective date of the Plan, these shares of Oasis common stock will be canceled and extinguished in accordance with the Plan, and the Reporting Person will receive warrants to purchase shares of outstanding common stock, par value $0.01 per share, of Oasis, pursuant to and under the Plan.

SEC source: 0001209191-20-053418 · doc4.xml · nonDerivative · entry 3

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Indirect · by West Bay Partners, Ltd

Disclosed balance after: 0

F1 · price: Represents weighted average price of open market same day sales. Sales of shares took place at actual prices ranging from $0.21 to $0.22 per share.

F2 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Oasis Petroleum Inc. or an Oasis Petroleum Inc. shareholder.

F3 · ownership.nature: A limited partnership formed for family investment purposes. The sole general partner of West Bay, a Texas limited liability company, is controlled by the reporting person and his wife, and the limited partners of West Bay consist of the reporting person, his immediate family members and trusts formed for their benefit.

SEC source: 0001209191-20-053418 · doc4.xml · nonDerivative · entry 2

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 414,220

SEC source: 0001209191-20-053418 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,192,569

SEC source: 0001209191-20-036409 · doc4.xml · derivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,113

Underlying: Common units representing limited partnership interests · 9,050 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 9,050 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 9,050 phantom units in connection with the new Oasis Petroleum Inc. executive compensation program.

SEC source: 0001209191-20-036394 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,471,885

F1 · price: The reported transaction involved the Reporting Person's voluntary forfeiture of 122,180 shares of unvested restricted stock in connection with the issuer adopting a new executive compensation program.

SEC source: 0001209191-20-017091 · doc4.xml · nonDerivative · entry 4

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,594,065

SEC source: 0001209191-20-017091 · doc4.xml · nonDerivative · entry 3

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,636,111

F3 · acquired: Represents shares issuable to the reporting person in settlement of a grant of performance share units made on January 24, 2018. On March 4, 2020, these shares were determined to have been earned, and they vested on such date.

SEC source: 0001209191-20-017091 · doc4.xml · nonDerivative · entry 2

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,601,577

F2 · acquired: Represents shares issuable to the reporting person in settlement of a grant of performance share units made on January 12, 2017. On March 4, 2020, these shares were determined to have been earned, and they vested on such date.

SEC source: 0001209191-20-017091 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,581,326

F1 · acquired: Represents shares issuable to the reporting person in settlement of a grant of performance share units made on January 20, 2016. On March 4, 2020, these shares were determined to have been earned, and they vested on such date.

SEC source: 0001209191-20-015699 · doc4.xml · derivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,163

Underlying: Common units representing limited partnership interests · 6,057 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 18,170 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 18,170 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: 0001209191-20-005258 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,529,260

SEC source: 0001209191-20-004577 · doc4.xml · derivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,220

Underlying: Common units representing limited partnership interests · 9,050 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: 0001209191-20-004547 · doc4.xml · nonDerivative · entry 2

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,546,246

F1 · acquired: Represents a grant of restricted stock the reporting person received from the Company.

SEC source: 0001209191-20-004547 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,424,066

SEC source: 0001209191-20-003388 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,451,076

SEC source: 0001209191-19-046357 · doc4.xml · nonDerivative · entry 2

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Indirect · By West Bay Partners, Ltd.

Disclosed balance after: 548,188

F2 · price: Full information regarding the number of shares purchased at each separate price will be provided upon request by the Commission staff, Oasis Petroleum Inc. or an Oasis Petroleum Inc. shareholder.

F3 · price: Represents weighted average price of open market same day purchases. Purchases of shares took place at actual prices ranging from $2.75 to $2.87 per share.

F4 · ownership.nature: A limited partnership formed for family investment purposes. The sole general partner of West Bay, a Texas limited liability company, is controlled by the reporting person and his wife, and the limited partners of West Bay consist of the reporting person, his immediate family members and trusts formed for their benefit.

SEC source: 0001209191-19-046357 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,462,819

F1 · price: Represents weighted average price of open market same day purchases. Purchases of shares took place at actual prices ranging from $2.75 to $2.76 per share.

F2 · price: Full information regarding the number of shares purchased at each separate price will be provided upon request by the Commission staff, Oasis Petroleum Inc. or an Oasis Petroleum Inc. shareholder.

SEC source: 0001209191-19-021818 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,417,759

SEC source: 0001209191-19-016007 · doc4.xml · nonDerivative · entry 4

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,442,759

SEC source: 0001209191-19-016007 · doc4.xml · nonDerivative · entry 3

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,451,038

F2 · acquired: Represents shares issuable to the reporting person in settlement of a grant of performance share units made on January 12, 2017. On March 1, 2019, these shares were determined to have been earned, and they vested on such date.

SEC source: 0001209191-19-016007 · doc4.xml · nonDerivative · entry 2

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,429,998

SEC source: 0001209191-19-016007 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,451,989

F1 · acquired: Represents shares issuable to the reporting person in settlement of a grant of performance share units made on January 20, 2016. On March 1, 2019, these shares were determined to have been earned, and they vested on such date.

SEC source: 0001209191-19-013195 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,396,103

F1 · kind: On February 22, 2019, an entity in which the Reporting Person owns member interests made a distribution to its members, pro rata without consideration, of shares of Issuer common stock held by such entity. Pursuant to the distribution, the Reporting Person received 5,261 shares of Issuer common stock.

SEC source: 0001209191-19-005684 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,390,842

SEC source: 0001209191-19-004836 · doc4.xml · nonDerivative · entry 2

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,401,353

SEC source: 0001209191-19-004889 · doc4.xml · derivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,170

Underlying: Common units representing limited partnership interests · 18,170 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: 0001209191-19-004836 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,412,972

F1 · acquired: Represents a grant of restricted stock the reporting person received from the Company.

SEC source: 0001209191-19-003749 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,209,352

SEC source: 0001209191-18-059780 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,216,576

F1 · price: Represents weighted average price of open market same day sales. Sales of shares took place at actual prices ranging from $8.04 to $8.05 per share.

F2 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Oasis Petroleum Inc. or an Oasis Petroleum Inc. shareholder.

SEC source: 0001209191-18-037587 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,246,576

F1 · kind: On June 11, 2018, an entity in which the Reporting Person owns member interests made a distribution to its members, pro rata without consideration, of shares of Issuer common stock held by such entity. Pursuant to the distribution, the Reporting Person received 44,042 shares of Issuer common stock.

SEC source: 0001209191-18-031034 · doc4.xml · nonDerivative · entry 2

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,202,534

F1 · price: Represents weighted average price of open market same day sales. Sales of shares took place at actual prices ranging from $12.19 to $12.26 per share.

F2 · price: Full information regarding the number of shares sold at each separate price will be provided upon request by the Commission staff, Oasis Petroleum Inc. or an Oasis Petroleum Inc. shareholder.

SEC source: 0001209191-18-031034 · doc4.xml · nonDerivative · entry 1

Reid Taylor L · CIK 0001494078 · Director · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,232,534