MTDR

SEC source: 0002020286-26-000008 · wk-form4_1788176127.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Indirect · Represents shares held of record by the reporting person's 401(k) account

Disclosed balance after: 44,000

SEC source: 0001540655-26-000024 · wk-form4_1787917099.xml · nonDerivative · entry 1

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,772

F1 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $54.45 to $54.50 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

F2 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16-b3.

F3 · balance_after: Represents the total number of shares directly held by the reporting person following contributions of shares by the reporting person and the reporting person's spouse to the JWF 2026-2 GRAT and the NNF 2026-2 GRAT.

SEC source: 0001540655-26-000021 · wk-form4_1787170567.xml · nonDerivative · entry 1

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,017

F1 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16-b3.

F2 · balance_after: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $53.63 to $53.65 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

SEC source: 0001540655-26-000018 · wk-form4_1786707641.xml · nonDerivative · entry 2

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,617

F1 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16-b3.

F3 · balance_after: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $51.29 to $51.74 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

SEC source: 0001540655-26-000018 · wk-form4_1786707641.xml · nonDerivative · entry 1

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,617

F1 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16-b3.

F2 · balance_after: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $51.88 to $52.45 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

SEC source: 0001540655-26-000015 · wk-form4_1786533819.xml · nonDerivative · entry 2

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,617

F1 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16-b3.

F3 · balance_after: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $51.63 to $51.70 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

SEC source: 0001540655-26-000015 · wk-form4_1786533819.xml · nonDerivative · entry 1

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,908

F1 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16-b3.

F2 · balance_after: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $50.88 to $51.12 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

SEC source: 0001698242-26-000007 · wk-form4_1786568944.xml · nonDerivative · entry 1

STEWART KENNETH L. · CIK 0001698242 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,747

F1 · shares: In connection with family estate planning, Mr. Stewart made a gift of a total of 9,400 shares of Matador common stock to two trusts of which Mr. Stewart is not the trustee. The primary beneficiaries of these trusts are two of Mr. Stewart's adult daughters.

SEC source: 0001934692-26-000004 · wk-form4_1786568899.xml · nonDerivative · entry 1

Elsener William Thomas · CIK 0001934692 · EVP, Reservoir Engineering

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,879

F1 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3

SEC source: 0001688490-26-000006 · wk-form4_1781729116.xml · nonDerivative · entry 1

Baty Robert Gaines · CIK 0001688490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,538

SEC source: 0002054635-26-000003 · wk-form4_1781563307.xml · nonDerivative · entry 1

Harvey Paul W · CIK 0002054635 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,721

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest, and an equal number of shares of common stock will be deliverable to the reporting person on June 11, 2027, or if sooner, immediately prior to the election of nominees for director at the 2027 annual meeting of shareholders of the Issuer.

SEC source: 0001729498-26-000003 · wk-form4_1781563050.xml · nonDerivative · entry 1

PARKER TIMOTHY E. · CIK 0001729498 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,511

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest, and an equal number of shares of common stock will be deliverable to the reporting person on June 11, 2027, or if sooner, immediately prior to the election of nominees for director at the 2027 annual meeting of shareholders of the Issuer.

SEC source: 0001688490-26-000003 · wk-form4_1781563110.xml · nonDerivative · entry 1

Baty Robert Gaines · CIK 0001688490 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 77,038

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest on June 11, 2027, or if sooner, immediately prior to the election of the nominees for director at the 2027 annual meeting of shareholders of the Issuer (the "Vesting Date"). Pursuant to the Issuer's Nonqualified Deferred Compensation Plan for Non-Employee Directors, the reporting person has deferred delivery of all of such vested RSUs to within 30 days of the earlier of (i) separation of service or (ii) a change in control (the "Delivery Date"). On the Delivery Date, such vested RSUs will be deliverable to the reporting person in an equal number of shares of common stock.

SEC source: 0001678424-26-000004 · wk-form4_1781563250.xml · nonDerivative · entry 1

Byerley William M · CIK 0001678424 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 59,453

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest on June 11, 2027, or if sooner, immediately prior to the election of the nominees for director at the 2027 annual meeting of shareholders of the Issuer (the "Vesting Date"). Pursuant to the Issuer's Nonqualified Deferred Compensation Plan for Non-Employee Directors, the reporting person has deferred delivery of all of such vested RSUs to within 30 days of the earlier of (i) the fifth anniversary of the Vesting Date, (ii) separation of service or (iii) a change in control (the "Delivery Date"). On the Delivery Date, such vested RSUs will be deliverable to the reporting person in an equal number of shares of common stock.

SEC source: 0001623187-26-000003 · wk-form4_1781563398.xml · nonDerivative · entry 1

Ward Susan M · CIK 0001623187 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,565

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest on June 11, 2027, or if sooner, immediately prior to the election of the nominees for director at the 2027 annual meeting of shareholders of the Issuer (the "Vesting Date"). Pursuant to the Issuer's Nonqualified Deferred Compensation Plan for Non-Employee Directors, the reporting person has deferred delivery of all of such vested RSUs to within 30 days of the earlier of (i) separation of service or (ii) a change in control (the "Delivery Date"). On the Delivery Date, such vested RSUs will be deliverable to the reporting person in an equal number of shares of common stock.

SEC source: 0001698242-26-000004 · wk-form4_1781563370.xml · nonDerivative · entry 1

STEWART KENNETH L. · CIK 0001698242 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,147

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest, and an equal number of shares of common stock will be deliverable to the reporting person on June 11, 2027, or if sooner, immediately prior to the election of nominees for director at the 2027 annual meeting of shareholders of the Issuer.

SEC source: 0001610998-26-000003 · wk-form4_1781563176.xml · nonDerivative · entry 1

Baribault Reynald · CIK 0001610998 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,516

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest, and an equal number of shares of common stock will be deliverable to the reporting person on June 11, 2027, or if sooner, immediately prior to the election of nominees for director at the 2027 annual meeting of shareholders of the Issuer.

SEC source: 0001786877-26-000004 · wk-form4_1781563275.xml · nonDerivative · entry 1

Ehrman Monika U · CIK 0001786877 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 45,467

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest, and an equal number of shares of common stock will be deliverable to the reporting person on June 11, 2027, or if sooner, immediately prior to the election of nominees for director at the 2027 annual meeting of shareholders of the Issuer.

SEC source: 0001981193-26-000003 · wk-form4_1781563144.xml · nonDerivative · entry 1

Appel Shelley F · CIK 0001981193 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,501

F1 · shares: Represents restricted stock units ("RSUs") granted to the reporting person on June 11, 2026. Such RSUs will vest, and an equal number of shares of common stock will be deliverable to the reporting person on June 11, 2027, or if sooner, immediately prior to the election of nominees for director at the 2027 annual meeting of shareholders of the Issuer.

SEC source: 0002020289-26-000006 · wk-form4_1781176650.xml · nonDerivative · entry 1

Stetson Glenn W · CIK 0002020289 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,470

F1 · balance_after: Includes 3,334 shares of restricted stock granted to the reporting person on February 14, 2024 that vest on the third anniversary of the date of grant.

F2 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3.

SEC source: 0001540655-26-000012 · wk-form4_1781176618.xml · nonDerivative · entry 1

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,479

F1 · balance_after: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $53.05 to $53.13 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

F2 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3.

SEC source: 0001786877-26-000002 · wk-form4_1781128994.xml · nonDerivative · entry 1

Ehrman Monika U · CIK 0001786877 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,825

F1 · balance_after: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $55.28 to $55.30 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

SEC source: 0001540655-26-000010 · wk-form4_1780955149.xml · nonDerivative · entry 1

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,479

F1 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16-b3.

SEC source: 0002074755-26-000005 · wk-form4_1780441575.xml · nonDerivative · entry 1

Colodney Benjamin T · CIK 0002074755 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · Represents shares held of record by the reporting person's 401(k) account

Disclosed balance after: 2,650

SEC source: 0002020286-26-000005 · wk-form4_1780399936.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Indirect · Represents shares held of record by the reporting person's 401(k) account

Disclosed balance after: 41,500

SEC source: 0001540655-26-000008 · wk-form4_1780399725.xml · nonDerivative · entry 1

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,479

F1 · balance_after: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $52.57 to $52.73 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

F2 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3.

SEC source: 0002020289-26-000004 · wk-form4_1780313252.xml · nonDerivative · entry 1

Stetson Glenn W · CIK 0002020289 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,970

F1 · balance_after: Includes 3,334 shares of restricted stock granted to the reporting person on February 14, 2024 that vest on the third anniversary of the date of grant.

F2 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3.

SEC source: 0001540655-26-000004 · wk-form4_1779967485.xml · nonDerivative · entry 1

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,997

F1 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $52.19 to $52.40 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

F2 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16-b3.

SEC source: 0002074755-26-000005 · wk-form4_1780441575.xml · derivative · entry 4

Colodney Benjamin T · CIK 0002074755 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,146

Underlying: Common Stock · 1,072 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.

F5 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock. As required by the terms of the award, upon the May 1, 2026 partial vesting of such award, the reporting person settled the phantom units for cash at a rate of $63.44 per unit based upon the closing price of the Issuer's common stock on April 30, 2026. No shares of common stock were issued to nor sold by the reporting person pursuant to this transaction.

F7 · derivative.exercise_date: The phantom units vest in equal annual installments on May 1, 2026, May 1, 2027 and May 1, 2028.

F7 · derivative.expiration_date: The phantom units vest in equal annual installments on May 1, 2026, May 1, 2027 and May 1, 2028.

SEC source: 0002074755-26-000005 · wk-form4_1780441575.xml · derivative · entry 3

Colodney Benjamin T · CIK 0002074755 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,000

Underlying: Common Stock · 1,000 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.

F5 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock. As required by the terms of the award, upon the May 1, 2026 partial vesting of such award, the reporting person settled the phantom units for cash at a rate of $63.44 per unit based upon the closing price of the Issuer's common stock on April 30, 2026. No shares of common stock were issued to nor sold by the reporting person pursuant to this transaction.

F6 · derivative.exercise_date: The phantom units vest in equal installments on May 1, 2025, May 1, 2026 and May 1, 2027.

F6 · derivative.expiration_date: The phantom units vest in equal installments on May 1, 2025, May 1, 2026 and May 1, 2027.

SEC source: 0002074755-26-000005 · wk-form4_1780441575.xml · nonDerivative · entry 2

Colodney Benjamin T · CIK 0002074755 · SVP & Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,603

F1 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3.

F2 · balance_after: Includes 3,000 shares of restricted stock granted to the reporting person on October 29, 2024 that vest on May 1, 2027.

F3 · balance_after: Includes 3,218 shares of restricted stock granted to the reporting person on July 21, 2025 that vest on May 1, 2028.

F4 · balance_after: Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon the vesting of 1,000 shares of restricted stock that were granted to the reporting person on March 31, 2023. No shares were sold by the reporting person to satisfy this tax liability.

SEC source: 0001628280-26-016232 · wk-form4_1773142013.xml · nonDerivative · entry 1

Ehrman Monika U · CIK 0001786877 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,463

SEC source: 0001628280-26-013555 · wk-form4_1772540467.xml · nonDerivative · entry 1

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,322

F1 · price: The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $49.76 to $49.80 per share, inclusive. The reporting person shall provide to the Securities and Exchange Commission, the Issuer or any security holder of the Issuer, upon request, full information regarding the number of shares purchased at each separate price.

F2 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16-b3.

F3 · balance_after: Reflects the total number of shares directly held by the reporting person following contributions of shares by the reporting person and the reporting person's spouse to the Foran 2012 Savings Trust and the Foran 2012 Security Trust, pursuant to the terms thereof.

SEC source: 0001628280-26-009324 · wk-form4_1771458480.xml · derivative · entry 5

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,000

Underlying: Common Stock · 27,000 shares

Expires not disclosed

F7 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock.

F8 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

F8 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001628280-26-009329 · wk-form4_1771458535.xml · derivative · entry 4

Stetson Glenn W · CIK 0002020289 · EVP-Production

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,000

Underlying: Common Stock · 27,000 shares

Expires not disclosed

F7 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock.

F8 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

F8 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001628280-26-009322 · wk-form4_1771458442.xml · derivative · entry 6

Erman Bryan A · CIK 0002015754 · Co-President,CLO & Head of M&A

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,000

Underlying: Common Stock · 35,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock.

F7 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

F7 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001628280-26-009323 · wk-form4_1771458461.xml · derivative · entry 5

Macalik Robert T · CIK 0001647280 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,000

Underlying: Common Stock · 27,000 shares

Expires not disclosed

F7 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock.

F8 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

F8 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001628280-26-009320 · wk-form4_1771458406.xml · derivative · entry 4

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,000

Underlying: Common Stock · 70,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock.

F7 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

F7 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001628280-26-009326 · wk-form4_1771458501.xml · derivative · entry 4

Elsener William Thomas · CIK 0001934692 · EVP, Reservoir Engineering

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,000

Underlying: Common Stock · 27,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock.

F7 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

F7 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001628280-26-009321 · wk-form4_1771458424.xml · derivative · entry 4

Singleton Van H II · CIK 0001633115 · CoPresident-Land, A&D,Planning

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,000

Underlying: Common Stock · 35,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock.

F7 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

F7 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant.

SEC source: 0001628280-26-009324 · wk-form4_1771458480.xml · nonDerivative · entry 2

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,312

F3 · shares: Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon the vesting of 2,667 shares of restricted stock that were granted to the reporting person on February 16, 2023. No shares were sold by the reporting person to satisfy this tax liability.

F4 · balance_after: Includes (i) shares acquired pursuant to the Issuer's Employee Stock Purchase Plan; such acquisitions are exempt under Rule 16b-3; and (ii) 3,333 shares of restricted stock granted to the reporting person on February 14, 2024 that vest in equal annual installments on the second and third anniversaries of the date of grant.

SEC source: 0001628280-26-009329 · wk-form4_1771458535.xml · nonDerivative · entry 2

Stetson Glenn W · CIK 0002020289 · EVP-Production

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,470

F3 · shares: Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon the vesting of 2,667 shares of restricted stock that were granted to the reporting person on February 16, 2023. No shares were sold by the reporting person to satisfy this tax liability.

F4 · balance_after: Includes (i) shares acquired pursuant to the Issuer's Employee Stock Purchase Plan; such acquisitions are exempt under Rule 16b-3; and (ii) 3,333 shares of restricted stock granted to the reporting person on February 14, 2024 that vest in equal annual installments on the second and third anniversaries of the date of grant.

SEC source: 0001628280-26-009322 · wk-form4_1771458442.xml · nonDerivative · entry 1

Erman Bryan A · CIK 0002015754 · Co-President,CLO & Head of M&A

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,566

F1 · shares: Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon the vesting of 2,667 shares of restricted stock that were granted to the reporting person on February 16, 2023. No shares were sold by the reporting person to satisfy this tax liability.

F2 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3.

SEC source: 0001628280-26-009328 · wk-form4_1771458517.xml · derivative · entry 3

Krug George G · CIK 0001667651 · EVP - Mktg and Midstream

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 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.

F4 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock. As required by the terms of the award, upon the February 16, 2026 partial vesting of such award, the reporting person settled the phantom units for cash at a rate of $47.80 per unit based upon the closing price of the Issuer's common stock on February 13, 2026. No shares of common stock were issued to nor sold by the reporting person pursuant to this transaction.

F5 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 16, 2023.

F5 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 16, 2023.

SEC source: 0001628280-26-009323 · wk-form4_1771458461.xml · nonDerivative · entry 2

Macalik Robert T · CIK 0001647280 · EVP, Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,757

F3 · shares: Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon the vesting of 2,667 shares of restricted stock that were granted to the reporting person on February 16, 2023. No shares were sold by the reporting person to satisfy this tax liability.

F4 · balance_after: Includes (i) shares acquired pursuant to the Issuer's Employee Stock Purchase Plan; such acquisitions are exempt under Rule 16b-3; and (ii) 3,333 shares of restricted stock granted to the reporting person on February 14, 2024 that vest in equal annual installments on the second and third anniversaries of the date of grant.

SEC source: 0001628280-26-009320 · wk-form4_1771458406.xml · derivative · entry 3

Foran Joseph Wm · CIK 0001540655 · Director · Chairman and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,000 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.

F4 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock. As required by the terms of the award, upon the February 16, 2026 partial vesting of such award, the reporting person settled the phantom units for cash at a rate of $47.80 per unit based upon the closing price of the Issuer's common stock on February 13, 2026 No shares of common stock were issued to nor sold by the reporting person pursuant to this transaction.

F5 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 16, 2023.

F5 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 16, 2023.

SEC source: 0001628280-26-009326 · wk-form4_1771458501.xml · nonDerivative · entry 1

Elsener William Thomas · CIK 0001934692 · EVP, Reservoir Engineering

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,730

F1 · shares: Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon the vesting of 2,667 shares of restricted stock that were granted to the reporting person on February 16, 2023. No shares were sold by the reporting person to satisfy this tax liability.

F2 · balance_after: Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3.

SEC source: 0001628280-26-009321 · wk-form4_1771458424.xml · derivative · entry 3

Singleton Van H II · CIK 0001633115 · CoPresident-Land, A&D,Planning

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 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.

F4 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of common stock of the Issuer's common stock. As required by the terms of the award, upon the February 16, 2026 partial vesting of such award, the reporting person settled the phantom units for cash at a rate of $47.80 per unit based upon the closing price of the Issuer's common stock on February 13, 2026. No shares of common stock were issued to nor sold by the reporting person pursuant to this transaction.

F5 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 16, 2023.

F5 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 16, 2023.

SEC source: 0001628280-26-009324 · wk-form4_1771458480.xml · derivative · entry 4

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,000

Underlying: Common Stock · 6,000 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.

F5 · derivative.exercise_price: Each phantom unit is the economic equivalent of one share of the Issuer's common stock. As required by the terms of the award, upon the February 14, 2026 partial vesting of such award, the reporting person settled the phantom units for cash at a rate of $47.80 per unit based upon the closing price of the Issuer's common stock on February 13, 2026. No shares of common stock were issued to nor sold by the reporting person pursuant to this transaction.

F6 · derivative.exercise_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 14, 2025.

F6 · derivative.expiration_date: The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 14, 2025.

SEC source: 0001628280-26-009324 · wk-form4_1771458480.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,362

F1 · shares: Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon the vesting of 3,333 shares of restricted stock that were granted to the reporting person on February 14, 2024. No shares were sold by the reporting person to satisfy this tax liability.

F2 · balance_after: Includes (i) shares acquired pursuant to the Issuer's Employee Stock Purchase Plan; such acquisitions are exempt under Rule 16b-3; (ii) 3,333 shares of restricted stock granted to the reporting person on February 14, 2024 that vest in equal annual installments on the second and third anniversaries of the date of grant; and (iii) 2,667 shares of restricted stock granted to the reporting person on February 16, 2023 that vest on the third anniversary of the date of grant.