Chase Valerie

SEC source: 0001193125-26-398264 · ownership.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,366

F1 · shares: Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one Class A Share. The RSUs will vest on September 18, 2027.

SEC source: 0001193125-26-338588 · ownership.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,397

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2027, generally subject to continued service on the board of directors through such vesting date.

SEC source: 0001193125-26-155938 · ownership.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,830

F1 · shares: Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one Class A Share. The RSUs will vest on the first anniversary of the IPO date, which was September 18, 2025.

SEC source: 0000950170-25-112101 · ownership.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,173

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date.

SEC source: 0001193125-25-211917 · ownership.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,479

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on July 1, 2026, generally subject to continued service on the board of directors through such vesting date.

F2 · shares: The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A solely to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person.

F2 · balance_after: The original Form 4, filed on August 28, 2025, is being amended by this Form 4/A solely to correct an administrative error. The original Form 4 inadvertently included the incorrect number of shares acquired and beneficially owned by the Reporting Person.

SEC source: 0000950170-24-084362 · ownership.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,278

F1 · shares: Reflects the grant of restricted stock units pursuant to the LandBridge Company LLC Long-Term Incentive Plan which vest on the first anniversary of July 1, 2024, generally subject to continued service on the board of directors through such vesting date.

SEC source: 0000950170-24-081756 · ownership.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,925

F1 · shares: Reflects Class A shares representing limited liability company interests in LandBridge Company LLC (the "Issuer") purchased through a directed share program in connection with the Issuer's initial public offering, which closed on July 1, 2024.

SEC source: 0001628280-23-012004 · wf-form4_168186745577137.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,286

F1 · kind: Represents a grant of restricted stock units; vests on April 15, 2024.

F1 · price: Represents a grant of restricted stock units; vests on April 15, 2024.

SEC source: 0000899243-22-030500 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,742

F1 · security: Grant of Restricted Stock Units exchangeable on a 1/1 basis for shares of common stock; vests on April 15, 2023.

F1 · kind: Grant of Restricted Stock Units exchangeable on a 1/1 basis for shares of common stock; vests on April 15, 2023.

SEC source: 0001415889-21-003789 · form4-08042021_010857.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP, CAO & CONTROLLER

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,888

SEC source: 0001209191-21-030404 · doc4.xml · derivative · entry 4

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 19,527 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: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

F1 · shares: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

F1 · derivative.exercise_date: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

F1 · derivative.expiration_date: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

F1 · derivative.underlying_shares: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

SEC source: 0001209191-21-030404 · doc4.xml · derivative · entry 3

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 18,327 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: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

F1 · shares: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

F1 · derivative.exercise_date: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

F1 · derivative.expiration_date: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

F1 · derivative.underlying_shares: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

SEC source: 0001209191-21-030404 · doc4.xml · nonDerivative · entry 2

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,799

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 · shares: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

F1 · price: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

SEC source: 0001209191-21-030404 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,272

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 · shares: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

F1 · price: Reflects performance restricted stock units ("PRSUs"), the grant of which was previously reported in Table II of Ms. Chase's Form 4 filed on February 22, 2021 (the "Prior Form 4"). On May 4, 2021, the Compensation Committee certified the achievement of the specified stock appreciation goal, and these PRSUs are no longer subject to performance vesting conditions; however, the target number of PRSUs reported above remains subject to the applicable service-based vesting conditions previously disclosed in the Prior Form 4.

SEC source: 0001209191-21-016970 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,945

SEC source: 0001209191-21-015225 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,807

F1 · shares: Relates to restricted stock units previously granted on February 25, 2020, under the Magnolia Oil & Gas Corporation Long Term Incentive Plan, as amended from time to time, that vest or have vested in three substantially equal installments on February 25, 2021, 2022, and 2023, subject to the officer's continued employment through the applicable vesting date.

SEC source: 0001209191-21-012878 · doc4.xml · derivative · entry 3

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,527

Underlying: Class A Common Stock · 19,527 shares

Expires not disclosed

F3 · derivative.exercise_price: Reflects PRSUs granted under the Plan. Each PRSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn either 0% or 100% of the target number of PRSUs reported above, based on the achievement of the specified stock appreciation goal during the performance period commencing February 18, 2021 and ending February 17, 2026. The PRSUs are also subject to service-based vesting conditions and will vest in full on March 1, 2024, subject to the officer's continued employment through that date.

F3 · derivative.exercise_date: Reflects PRSUs granted under the Plan. Each PRSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn either 0% or 100% of the target number of PRSUs reported above, based on the achievement of the specified stock appreciation goal during the performance period commencing February 18, 2021 and ending February 17, 2026. The PRSUs are also subject to service-based vesting conditions and will vest in full on March 1, 2024, subject to the officer's continued employment through that date.

F3 · derivative.expiration_date: Reflects PRSUs granted under the Plan. Each PRSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn either 0% or 100% of the target number of PRSUs reported above, based on the achievement of the specified stock appreciation goal during the performance period commencing February 18, 2021 and ending February 17, 2026. The PRSUs are also subject to service-based vesting conditions and will vest in full on March 1, 2024, subject to the officer's continued employment through that date.

SEC source: 0001209191-21-012878 · doc4.xml · derivative · entry 2

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,327

Underlying: Class A Common Stock · 18,327 shares

Expires not disclosed

F2 · derivative.exercise_price: Reflects performance restricted stock units ("PRSUs") granted under the Plan. Each PRSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn either 0% or 100% of the target number of PRSUs reported above, based on the achievement of the specified stock appreciation goal during the performance period commencing February 18, 2021 and ending February 17, 2026. The PRSUs are also subject to service-based vesting conditions and will vest in three substantially equal installments on March 1, 2022, 2023, and 2024, subject to the officer's continued employment through the applicable vesting date.

F2 · derivative.exercise_date: Reflects performance restricted stock units ("PRSUs") granted under the Plan. Each PRSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn either 0% or 100% of the target number of PRSUs reported above, based on the achievement of the specified stock appreciation goal during the performance period commencing February 18, 2021 and ending February 17, 2026. The PRSUs are also subject to service-based vesting conditions and will vest in three substantially equal installments on March 1, 2022, 2023, and 2024, subject to the officer's continued employment through the applicable vesting date.

F3 · derivative.exercise_date: Reflects PRSUs granted under the Plan. Each PRSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn either 0% or 100% of the target number of PRSUs reported above, based on the achievement of the specified stock appreciation goal during the performance period commencing February 18, 2021 and ending February 17, 2026. The PRSUs are also subject to service-based vesting conditions and will vest in full on March 1, 2024, subject to the officer's continued employment through that date.

F2 · derivative.expiration_date: Reflects performance restricted stock units ("PRSUs") granted under the Plan. Each PRSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn either 0% or 100% of the target number of PRSUs reported above, based on the achievement of the specified stock appreciation goal during the performance period commencing February 18, 2021 and ending February 17, 2026. The PRSUs are also subject to service-based vesting conditions and will vest in three substantially equal installments on March 1, 2022, 2023, and 2024, subject to the officer's continued employment through the applicable vesting date.

SEC source: 0001209191-21-012878 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,919

F1 · shares: Reflects restricted stock units ("RSUs") granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan, as amended from time to time (the "Plan"). Each RSU represents a contingent right to receive one share of Class A common stock ("Class A Common Stock") of Magnolia Oil & Gas Corporation (the "Company"). The RSUs will vest in three substantially equal installments on March 1, 2022, 2023, and 2024, subject to the officer's continued employment through the applicable vesting date.

SEC source: 0001209191-20-045148 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,719

SEC source: 0001209191-20-020069 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,612

SEC source: 0001209191-20-016122 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,935

SEC source: 0001209191-20-013532 · doc4.xml · derivative · entry 2

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,579

Underlying: Class A Common Stock · 18,579 shares

Expires not disclosed

F2 · derivative.exercise_price: Reflects performance share units ("PSUs") granted under the Plan. Each PSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn between 0% and 150% of the target number of PSUs reported above, based on the Compensation Committee's certification of the relative total shareholder return of the Company measured against a peer group of companies for the performance period commencing January 1, 2020, and ending December 31, 2022, and subject to the officer's continued employment through the date of settlement of the PSUs (which will occur within 60 days following the conclusion of the performance period).

F2 · derivative.exercise_date: Reflects performance share units ("PSUs") granted under the Plan. Each PSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn between 0% and 150% of the target number of PSUs reported above, based on the Compensation Committee's certification of the relative total shareholder return of the Company measured against a peer group of companies for the performance period commencing January 1, 2020, and ending December 31, 2022, and subject to the officer's continued employment through the date of settlement of the PSUs (which will occur within 60 days following the conclusion of the performance period).

F2 · derivative.expiration_date: Reflects performance share units ("PSUs") granted under the Plan. Each PSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn between 0% and 150% of the target number of PSUs reported above, based on the Compensation Committee's certification of the relative total shareholder return of the Company measured against a peer group of companies for the performance period commencing January 1, 2020, and ending December 31, 2022, and subject to the officer's continued employment through the date of settlement of the PSUs (which will occur within 60 days following the conclusion of the performance period).

SEC source: 0001209191-20-013532 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,902

F1 · shares: Reflects restricted stock units ("RSUs") granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Plan"). Each RSU represents a contingent right to receive one share of Class A common stock ("Class A Common Stock") of Magnolia Oil & Gas Corporation (the "Company"). The RSUs will vest in three substantially equal installments on March 1, 2021, 2022 and 2023, subject to the officer's continued employment through the applicable vesting date.

SEC source: 0001209191-19-044576 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,032

SEC source: 0000899243-19-005033 · doc4.xml · derivative · entry 2

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,784

Underlying: Class A Common Stock · 9,784 shares

Expires not disclosed

F2 · derivative.exercise_price: Reflects performance share units ("PSUs") granted under the Plan on February 25, 2019. Each PSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn between 0% and 150% of the target number of PSUs reported above, based on the Compensation Committee's certification of the relative total shareholder return of the Company measured against a peer group of companies for the performance period commencing January 1, 2019 and ending December 31, 2021, and subject to the officer's continued employment through the date of settlement of the PSUs (which will occur within 60 days following the conclusion of the performance period).

F2 · derivative.exercise_date: Reflects performance share units ("PSUs") granted under the Plan on February 25, 2019. Each PSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn between 0% and 150% of the target number of PSUs reported above, based on the Compensation Committee's certification of the relative total shareholder return of the Company measured against a peer group of companies for the performance period commencing January 1, 2019 and ending December 31, 2021, and subject to the officer's continued employment through the date of settlement of the PSUs (which will occur within 60 days following the conclusion of the performance period).

F2 · derivative.expiration_date: Reflects performance share units ("PSUs") granted under the Plan on February 25, 2019. Each PSU, to the extent earned, represents a contingent right to receive one share of Class A Common Stock of the Company, and the officer may earn between 0% and 150% of the target number of PSUs reported above, based on the Compensation Committee's certification of the relative total shareholder return of the Company measured against a peer group of companies for the performance period commencing January 1, 2019 and ending December 31, 2021, and subject to the officer's continued employment through the date of settlement of the PSUs (which will occur within 60 days following the conclusion of the performance period).

SEC source: 0000899243-19-005033 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,925

F1 · shares: Reflects restricted stock units ("RSUs") granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Plan"). Each RSU represents a contingent right to receive one share of Class A common stock ("Class A Common Stock") of Magnolia Oil & Gas Corporation (the "Company"). On February 25, 2019, the Company granted Valerie Chase an award of 9,784 RSUs (the "First Award") and an award of 5,641 RSUs (the "Second Award"). The RSUs subject to the First Award will vest in three substantially equal installments on March 1, 2020, 2021 and 2022, and the RSUs subject to the Second Award will vest in full on March 15, 2020, in each case, subject to the officer's continued employment through the applicable vesting date.

SEC source: 0001209191-18-049066 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

SEC source: 0000899243-18-021203 · doc4.xml · derivative · entry 2

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,000

Underlying: Class A Common Stock · 11,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each PSU represents a contingent right to receive 1.5 shares of Class A Common Stock.

F3 · derivative.exercise_date: The Company has approved the grant of PSUs immediately following the Form S-8 Effective Date. Subject to the grantee's continued employment through July 31, 2021 (the "Vesting Date"), the PSUs will vest as follows: (a) 50% of the PSUs will vest on the Vesting Date if for 10 days within any period of 20 consecutive trading days from August 1, 2018 to July 31, 2021 (the "Performance Period") the closing price of Class A Common Stock (the "Closing Price") is equal to or greater than $12.00 (the "Threshold Level"), (b) 100% of the PSUs will vest on the Vesting Date if for 15 days within any period of 20 consecutive trading days during the Performance Period the Closing Price is equal to or greater than $13.00 (the "Target Level") and (c) 150% of the PSUs will vest on the Vesting Date if for 20 consecutive trading days during the Performance Period the Closing Price is equal to or greater than $14.00 (the "Maximum Level").

F4 · derivative.exercise_date: (Continued from footnote 3) If the Closing Price is between the Threshold Level and Target Level or the Target Level and Maximum Level for 10 days or 15 days, respectively, during any period of 20 consecutive trading days during the Performance Period the percent of PSUs that will vest will be determined using linear interpolation.

F3 · derivative.expiration_date: The Company has approved the grant of PSUs immediately following the Form S-8 Effective Date. Subject to the grantee's continued employment through July 31, 2021 (the "Vesting Date"), the PSUs will vest as follows: (a) 50% of the PSUs will vest on the Vesting Date if for 10 days within any period of 20 consecutive trading days from August 1, 2018 to July 31, 2021 (the "Performance Period") the closing price of Class A Common Stock (the "Closing Price") is equal to or greater than $12.00 (the "Threshold Level"), (b) 100% of the PSUs will vest on the Vesting Date if for 15 days within any period of 20 consecutive trading days during the Performance Period the Closing Price is equal to or greater than $13.00 (the "Target Level") and (c) 150% of the PSUs will vest on the Vesting Date if for 20 consecutive trading days during the Performance Period the Closing Price is equal to or greater than $14.00 (the "Maximum Level").

F4 · derivative.expiration_date: (Continued from footnote 3) If the Closing Price is between the Threshold Level and Target Level or the Target Level and Maximum Level for 10 days or 15 days, respectively, during any period of 20 consecutive trading days during the Performance Period the percent of PSUs that will vest will be determined using linear interpolation.

F3 · balance_after: The Company has approved the grant of PSUs immediately following the Form S-8 Effective Date. Subject to the grantee's continued employment through July 31, 2021 (the "Vesting Date"), the PSUs will vest as follows: (a) 50% of the PSUs will vest on the Vesting Date if for 10 days within any period of 20 consecutive trading days from August 1, 2018 to July 31, 2021 (the "Performance Period") the closing price of Class A Common Stock (the "Closing Price") is equal to or greater than $12.00 (the "Threshold Level"), (b) 100% of the PSUs will vest on the Vesting Date if for 15 days within any period of 20 consecutive trading days during the Performance Period the Closing Price is equal to or greater than $13.00 (the "Target Level") and (c) 150% of the PSUs will vest on the Vesting Date if for 20 consecutive trading days during the Performance Period the Closing Price is equal to or greater than $14.00 (the "Maximum Level").

F4 · balance_after: (Continued from footnote 3) If the Closing Price is between the Threshold Level and Target Level or the Target Level and Maximum Level for 10 days or 15 days, respectively, during any period of 20 consecutive trading days during the Performance Period the percent of PSUs that will vest will be determined using linear interpolation.

SEC source: 0000899243-18-021203 · doc4.xml · nonDerivative · entry 1

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,000

F1 · shares: Represents restricted stock units ("RSUs") granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan. Each RSU represents a contingent right to receive one share of Class A common stock ("Class A Common Stock") of Magnolia Oil & Gas Corporation (the "Company"). The Company has approved the grant of RSUs immediately following the effectiveness of the Company's Form S-8 registering shares of Class A Common Stock under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Form S-8 Effective Date"). The RSUs will vest in three equal annual installments beginning on August 1, 2019.

SEC source: 0001209191-19-044576 · doc4.xml · derivative · entry 3

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 16,500 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: Reflects performance share units ("PSUs") previously granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Plan") and reported in Table II of Ms. Chase's Form 4 filed on August 2, 2018 (the "Prior Form 4"). These PSUs are no longer subject to performance vesting conditions; however, the PSUs remain subject to the time-based vesting conditions previously disclosed in the Prior Form 4. As such, the 11,000 PSUs initially granted now represent a contingent right to receive 16,500 shares of Class A Common Stock, subject to the officer's continued employment through the applicable vesting date.

F1 · shares: Reflects performance share units ("PSUs") previously granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Plan") and reported in Table II of Ms. Chase's Form 4 filed on August 2, 2018 (the "Prior Form 4"). These PSUs are no longer subject to performance vesting conditions; however, the PSUs remain subject to the time-based vesting conditions previously disclosed in the Prior Form 4. As such, the 11,000 PSUs initially granted now represent a contingent right to receive 16,500 shares of Class A Common Stock, subject to the officer's continued employment through the applicable vesting date.

F1 · derivative.exercise_date: Reflects performance share units ("PSUs") previously granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Plan") and reported in Table II of Ms. Chase's Form 4 filed on August 2, 2018 (the "Prior Form 4"). These PSUs are no longer subject to performance vesting conditions; however, the PSUs remain subject to the time-based vesting conditions previously disclosed in the Prior Form 4. As such, the 11,000 PSUs initially granted now represent a contingent right to receive 16,500 shares of Class A Common Stock, subject to the officer's continued employment through the applicable vesting date.

F1 · derivative.expiration_date: Reflects performance share units ("PSUs") previously granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Plan") and reported in Table II of Ms. Chase's Form 4 filed on August 2, 2018 (the "Prior Form 4"). These PSUs are no longer subject to performance vesting conditions; however, the PSUs remain subject to the time-based vesting conditions previously disclosed in the Prior Form 4. As such, the 11,000 PSUs initially granted now represent a contingent right to receive 16,500 shares of Class A Common Stock, subject to the officer's continued employment through the applicable vesting date.

F1 · derivative.underlying_shares: Reflects performance share units ("PSUs") previously granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Plan") and reported in Table II of Ms. Chase's Form 4 filed on August 2, 2018 (the "Prior Form 4"). These PSUs are no longer subject to performance vesting conditions; however, the PSUs remain subject to the time-based vesting conditions previously disclosed in the Prior Form 4. As such, the 11,000 PSUs initially granted now represent a contingent right to receive 16,500 shares of Class A Common Stock, subject to the officer's continued employment through the applicable vesting date.

SEC source: 0001209191-19-044576 · doc4.xml · nonDerivative · entry 2

Chase Valerie · CIK 0001748399 · VP - CAO & Controller

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,532

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 · shares: Reflects performance share units ("PSUs") previously granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Plan") and reported in Table II of Ms. Chase's Form 4 filed on August 2, 2018 (the "Prior Form 4"). These PSUs are no longer subject to performance vesting conditions; however, the PSUs remain subject to the time-based vesting conditions previously disclosed in the Prior Form 4. As such, the 11,000 PSUs initially granted now represent a contingent right to receive 16,500 shares of Class A Common Stock, subject to the officer's continued employment through the applicable vesting date.

F1 · price: Reflects performance share units ("PSUs") previously granted under the Magnolia Oil & Gas Corporation Long Term Incentive Plan (the "Plan") and reported in Table II of Ms. Chase's Form 4 filed on August 2, 2018 (the "Prior Form 4"). These PSUs are no longer subject to performance vesting conditions; however, the PSUs remain subject to the time-based vesting conditions previously disclosed in the Prior Form 4. As such, the 11,000 PSUs initially granted now represent a contingent right to receive 16,500 shares of Class A Common Stock, subject to the officer's continued employment through the applicable vesting date.