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Calvert Christopher P

Disclosed activity across 1 company

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18450
SEC CIK
0002020286

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Matador Resources CoMTDR · Entity 3681EVP and CFOAugust 27, 2026August 31, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Matador Resources Co

Report date August 27, 2026 · Filed August 31, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeIndirectRepresents shares held of record by the reporting person's 401(k) account44,000 Reported balance After 2026-08-27 transaction · row 1 Account identity is unresolved; indirect or unspecified ownership is not merged.
1 source row

Row 1 · 2026-08-27 · Purchase · Acquired 2,500 · Balance 44,000

Common StockSEC Table I · non-derivativeDirect85,624 Reported balance Holding disclosure · report date 2026-08-27 · row 2 Holding and transaction disclosures are not merged.
1 source row

Row 2 · Balance 85,624

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

Filing footnotes · ownership attribution and instrument terms

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

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 27, 2026 Filed Aug 31, 2026 11:35 UTC Matador Resources Co MTDR · Entity 3681 PurchaseCommon Stock 2,500 $56.64 $141,600.00
Disclosure

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

Read SEC document
May 29, 2026 Filed Jun 2, 2026 11:32 UTC Matador Resources Co MTDR · Entity 3681 PurchaseCommon Stock 1,500 $53.24 $79,860.00
Disclosure

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

Read SEC document
February 17, 2026 Filed Feb 18, 2026 23:48 UTC Matador Resources Co MTDR · Entity 3681 GrantPhantom Units · Derivative 27,000 $0.00 $0.00
Disclosure

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.

Read SEC document
February 16, 2026 Filed Feb 18, 2026 23:48 UTC Matador Resources Co MTDR · Entity 3681 Tax withholdingCommon Stock 1,050 $47.80 $50,190.00
Disclosure

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.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 23:48 UTC Matador Resources Co MTDR · Entity 3681 Exercise / conversionPhantom Units · Derivative 6,000 $0.00 $0.00
Disclosure

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.

Read SEC document
February 14, 2026 Filed Feb 18, 2026 23:48 UTC Matador Resources Co MTDR · Entity 3681 Tax withholdingCommon Stock 1,312 $47.80 $62,713.60
Disclosure

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.

Read SEC document
January 06, 2026 Filed Jan 8, 2026 23:35 UTC Matador Resources Co MTDR · Entity 3681 Tax withholdingCommon Stock 1,554 $41.41 $64,351.14
Disclosure

SEC source: 0001628280-26-001425 · wk-form4_1767915326.xml · nonDerivative · entry 2

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,674

F5 · shares: Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon settlement of the 2023 Performance Stock Grant. 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.

F3 · balance_after: Includes 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.

F4 · balance_after: Includes 6,667 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.

Read SEC document
January 06, 2026 Filed Jan 8, 2026 23:35 UTC Matador Resources Co MTDR · Entity 3681 GrantCommon Stock 3,480 $0.00 $0.00
Disclosure

SEC source: 0001628280-26-001425 · wk-form4_1767915326.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,228

F1 · shares: Represents shares received in settlement of performance stock units granted to the reporting person on February 16, 2023 (the "2023 Performance Stock Grant"), which settled at 58% of target based upon the Issuer's relative total shareholder return over a three-year performance period from January 1, 2023 to December 31, 2025.

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

F3 · balance_after: Includes 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.

F4 · balance_after: Includes 6,667 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.

Read SEC document
November 03, 2025 Filed Nov 5, 2025 12:37 UTC Matador Resources Co MTDR · Entity 3681 PurchaseCommon Stock 2,500 $39.44 $98,600.00
Disclosure

SEC source: 0002020286-25-000005 · wk-form4_1762346225.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

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

Disclosed balance after: 40,000

Read SEC document
September 12, 2025 Filed Sep 15, 2025 20:17 UTC Matador Resources Co MTDR · Entity 3681 PurchaseCommon Stock 1,000 $47.77 $47,770.00
Disclosure

SEC source: 0002020286-25-000003 · wk-form4_1757967439.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

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

Disclosed balance after: 37,500

Read SEC document
May 01, 2025 Filed May 5, 2025 11:32 UTC Matador Resources Co MTDR · Entity 3681 PurchaseCommon Stock 1,500 $41.13 $61,695.00
Disclosure

SEC source: 0001520006-25-000145 · wk-form4_1746444734.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

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

Disclosed balance after: 36,500

Read SEC document
March 03, 2025 Filed Mar 4, 2025 12:24 UTC Matador Resources Co MTDR · Entity 3681 PurchaseCommon Stock 1,000 $49.27 $49,270.00
Disclosure

SEC source: 0001520006-25-000082 · wk-form4_1741091079.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

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

Disclosed balance after: 35,000

Read SEC document
February 21, 2025 Filed Feb 24, 2025 21:37 UTC Matador Resources Co MTDR · Entity 3681 PurchaseCommon Stock 1,300 $55.17 $71,721.00
Disclosure

SEC source: 0001520006-25-000057 · wk-form4_1740433068.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

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

Disclosed balance after: 34,000

Read SEC document
February 17, 2025 Filed Feb 20, 2025 00:15 UTC Matador Resources Co MTDR · Entity 3681 Tax withholdingCommon Stock 1,527 $57.19 $87,329.13
Disclosure

SEC source: 0001520006-25-000046 · wk-form4_1740010497.xml · nonDerivative · entry 3

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 85,293

F5 · 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 3,880 shares of restricted stock that were granted to the reporting person on February 17, 2022. No shares were sold by the reporting person to satisfy this tax liability.

F6 · balance_after: Includes (i) shares acquired pursuant to the Issuer's Employee Stock Purchase Plan; such acquisitions are exempt under Rule 16b-3; (ii) 6,667 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.

Read SEC document
February 16, 2025 Filed Feb 20, 2025 00:15 UTC Matador Resources Co MTDR · Entity 3681 Tax withholdingCommon Stock 1,050 $57.19 $60,049.50
Disclosure

SEC source: 0001520006-25-000046 · wk-form4_1740010497.xml · nonDerivative · entry 2

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 86,820

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; (ii) 6,667 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; (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; and (iv) 3,880 shares of restricted stock granted to the reporting person on February 17, 2022 that vest on the third anniversary of the date of grant.

Read SEC document
February 14, 2025 Filed Feb 20, 2025 00:15 UTC Matador Resources Co MTDR · Entity 3681 GrantPhantom Units · Derivative 18,000 $0.00 $0.00
Disclosure

SEC source: 0001520006-25-000046 · wk-form4_1740010497.xml · derivative · entry 5

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,000

Underlying: Common Stock · 18,000 shares

Expires not disclosed

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

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.

Read SEC document
February 14, 2025 Filed Feb 20, 2025 00:15 UTC Matador Resources Co MTDR · Entity 3681 Tax withholdingCommon Stock 1,312 $57.12 $74,941.44
Disclosure

SEC source: 0001520006-25-000046 · wk-form4_1740010497.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,870

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) 6,667 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; (iii) 5,334 shares of restricted stock granted to the reporting person on February 16, 2023 that vest in equal annual installments on the second and third anniversaries of the date of grant; and (iv) 3,880 shares of restricted stock granted to the reporting person on February 17, 2022 that vest on the third anniversary of the date of grant.

Read SEC document
January 07, 2025 Filed Jan 10, 2025 23:19 UTC Matador Resources Co MTDR · Entity 3681 Tax withholdingCommon Stock 5,552 $58.35 $323,959.20
Disclosure

SEC source: 0001520006-25-000015 · wk-form4_1736551139.xml · nonDerivative · entry 2

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,182

F6 · shares: Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon settlement of the 2022 Performance Stock Grant. 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.

F3 · balance_after: Includes 10,000 shares of restricted stock granted to the reporting person on February 14, 2024 that vest in equal annual installments on the first, second and third anniversaries of the date of grant.

F4 · balance_after: Includes 5,334 shares of restricted stock granted to the reporting person on February 16, 2023 that vest in equal annual installments on the second and third anniversaries of the date of grant.

F5 · balance_after: Includes 3,880 shares of restricted stock granted to the reporting person on February 17, 2022 that vest on the third anniversary of the date of grant.

Read SEC document
January 07, 2025 Filed Jan 10, 2025 23:19 UTC Matador Resources Co MTDR · Entity 3681 GrantCommon Stock 13,711 $0.00 $0.00
Disclosure

SEC source: 0001520006-25-000015 · wk-form4_1736551139.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,734

F1 · shares: Represents shares received in settlement of performance stock units granted to the reporting person on February 17, 2022 (the "2022 Performance Stock Grant"), which settled at 172% of target based upon the Issuer's relative total shareholder return over a three-year performance period from January 1, 2022 to December 31, 2024.

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

F3 · balance_after: Includes 10,000 shares of restricted stock granted to the reporting person on February 14, 2024 that vest in equal annual installments on the first, second and third anniversaries of the date of grant.

F4 · balance_after: Includes 5,334 shares of restricted stock granted to the reporting person on February 16, 2023 that vest in equal annual installments on the second and third anniversaries of the date of grant.

F5 · balance_after: Includes 3,880 shares of restricted stock granted to the reporting person on February 17, 2022 that vest on the third anniversary of the date of grant.

Read SEC document
September 09, 2024 Filed Sep 11, 2024 11:27 UTC Matador Resources Co MTDR · Entity 3681 PurchaseCommon Stock 1,000 $50.30 $50,300.00
Disclosure

SEC source: 0001520006-24-000188 · wk-form4_1726054067.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

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

Disclosed balance after: 32,700

Read SEC document
August 16, 2024 Filed Aug 20, 2024 20:28 UTC Matador Resources Co MTDR · Entity 3681 PurchaseCommon Stock 1,000 $56.40 $56,400.00
Disclosure

SEC source: 0001520006-24-000171 · wk-form4_1724185714.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

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

Disclosed balance after: 31,700

Read SEC document
June 04, 2024 Filed Jun 6, 2024 22:53 UTC Matador Resources Co MTDR · Entity 3681 Tax withholdingCommon Stock 1,640 $59.21 $97,104.40
Disclosure

SEC source: 0001520006-24-000122 · wk-form4_1717714377.xml · nonDerivative · entry 1

Calvert Christopher P · CIK 0002020286 · EVP and COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 80,596

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 4,167 shares of restricted stock that were granted to the reporting person on June 4, 2021. 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.

F3 · balance_after: Includes 3,880 shares of restricted stock granted to the reporting person on February 17, 2022 that vest on the third anniversary of the date of grant.

F4 · balance_after: Includes 5,334 shares of restricted stock granted to the reporting person on February 16, 2023 that vest in equal annual installments on the second and third anniversaries of the date of grant.

F5 · balance_after: Includes 10,000 shares of restricted stock granted to the reporting person on February 14, 2024 that vest in equal annual installments on the first, second and third anniversaries of the date of grant.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.