Sec Form 4 Filing - Foran Joseph Wm @ Matador Resources Co - 2022-12-31

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Foran Joseph Wm 2. Issuer Name and Ticker or Trading Symbol Matador Resources Co [ MTDR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chairman and CEO (Last) (First) (Middle) 5400 LBJ FREEWAY, SUITE 1500 3. Date of Earliest Transaction (MM/DD/YY) 12/31/2022 (Street) DALLAS, TX75240 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 08/22/2022 G V 350,292( 1 ) D $ 0 0( 2 ) I See footnote( 3 ) Common Stock 08/22/2022 G V 350,292( 4 ) D $ 0 0( 2 ) I See footnote( 5 ) Common Stock 08/23/2022 G V 350,292( 1 ) A $ 0 350,292( 2 ) I See footnote( 6 ) Common Stock 08/23/2022 G V 350,292( 4 ) A $ 0 700,584( 2 ) I See footnote( 6 ) Common Stock 12/31/2022 A 278,705( 7 ) A $ 0 279,139( 8 )( 9 ) D Common Stock 12/31/2022 F 109,671( 10 ) D $ 57.24 169,468( 9 ) D Common Stock 0( 2 ) I See footnote( 11 ) Common Stock 454,047( 2 )( 12 ) I See footnote( 13 ) Common Stock 417,220( 2 )( 14 ) I See footnote( 15 ) Common Stock 1,137,182( 2 ) I See footnote( 16 ) Common Stock 1,105,913( 2 ) I See footnote( 17 ) Common Stock 235,970( 2 ) I See footnote( 18 ) Common Stock 235,970( 2 ) I See footnote( 19 ) Common Stock 113,873( 2 ) I See footnote( 20 ) Common Stock 113,873( 2 ) I See footnote( 21 ) Common Stock 198,459( 2 ) I See footnote( 22 ) Common Stock 198,459( 2 ) I See footnote( 23 ) Common Stock 94,825( 2 ) I See footnote( 24 ) Common Stock 94,825( 2 ) I See footnote( 25 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Foran Joseph Wm 5400 LBJ FREEWAY SUITE 1500 DALLAS, TX75240 X Chairman and CEO Signatures /s/ Joseph Wm. Foran, by Brian J. Willey as attorney-in-fact 01/04/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents a terminating distribution of a total of 350,292 shares from the JWF 2020-2 GRAT, pursuant to the terms of the trust, pro rata to each of the LRF 2020 Non-GST Trust, WJF 2020 Non-GST Trust, SIF 2020 Non-GST Trust and MCF 2020 Non-GST Trust (collectively, the "2020 Non-GST Trusts"). ( 2 )The reporting person states that neither the filing of this statement nor anything herein shall be deemed an admission that such person is, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise, the beneficial owner of these shares. The reporting person disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. ( 3 )Represents shares held of record by the JWF 2020-2 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power. ( 4 )Represents a terminating distribution of a total of 350,292 shares from the NNF 2020-2 GRAT, pursuant to the terms of the trust, pro rata to each of the 2020 Non-GST Trusts. ( 5 )Represents shares held of record by the NNF 2020-2 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power. ( 6 )Represents shares held of record collectively by the 2020 Non-GST Trusts. The reporting person and his spouse, as settlors of each of the 2020 Non-GST Trusts, retain the power of substitution with respect to the property of the 2020 Non-GST Trusts. ( 7 )Represents shares received in settlement of performance stock units granted to the reporting person on March 10, 2020 (the "2020 Performance Stock Grant"), which settled at 175% of target based upon the Issuer's relative total shareholder return over a three-year performance period from January 1, 2020 to December 31, 2022. ( 8 )Amount of shares reported includes shares held of record by the reporting person following a terminating distribution from the JWF 2020-2 GRAT to its settlor, the contribution of shares by the reporting person to the JWF 2022-2 GRAT and the subsequent contribution of shares by the reporting person to the Foran 2012 Savings Trust, pursuant to the terms of such trusts, as described below. ( 9 )Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3. ( 10 )Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon settlement of the 2020 Performance Stock Grant. No shares were sold by the reporting person to satisfy this tax liability. ( 11 )Amount of shares reported includes shares held of record by the reporting person's spouse following a terminating distribution from the NNF 2020-2 GRAT to its settlor, the contribution of shares by the reporting person's spouse to the NNF 2022-2 GRAT and the subsequent contribution of shares by the reporting person's spouse to the Foran 2012 Security Trust, pursuant to the terms of such trusts, as described below. ( 12 )Amount of shares reported reflects the total number of shares held by the trust following the contribution of shares by the reporting person to the trust, pursuant to the terms thereof. ( 13 )Represents shares held of record by the Foran 2012 Savings Trust for which the reporting person's spouse is a trustee. ( 14 )Amount of shares reported reflects the total number of shares held by the trust following the contribution of shares by the reporting person's spouse to the trust, pursuant to the terms thereof. ( 15 )Represents shares held of record by the Foran 2012 Security Trust for which the reporting person is the trustee. ( 16 )Represents shares held of record collectively by the LRF 2011 Non-GST Trust, WJF 2011 Non-GST Trust, JNF 2011 Non-GST Trust, SIF 2011 Non-GST Trust and MCF 2011 Non-GST Trust (collectively, the "2011 Non-GST Trusts"). The reporting person and his spouse, as settlors of each of the 2011 Non-GST Trusts, retain the power of substitution with respect to the property of the 2011 Non-GST Trusts. ( 17 )Represents shares held of record by Sage Resources, Ltd., which is a limited partnership owned by the reporting person's family, including the reporting person. ( 18 )Represents shares held of record by the JWF 2021-1 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power. ( 19 )Represents shares held of record by the NNF 2021-1 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power. ( 20 )Represents shares held of record by the JWF 2021-2 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power. ( 21 )Represents shares held of record by the NNF 2021-2 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power. ( 22 )Represents shares held of record by the JWF 2022-1 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power. ( 23 )Represents shares held of record by the NNF 2022-1 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power. ( 24 )Represents shares held of record by the JWF 2022-2 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power. Includes 37,839 shares gifted to the trust following their distribution from the JWF 2020-2 GRAT to its settlor and 32,009 shares gifted to the trust following their distribution from the JWF 2021-2 GRAT to its settlor, each being annuity payments required by the terms of the respective trusts. Also includes 24,977 shares gifted to the JWF 2022-2 GRAT by its settlor. ( 25 )Represents shares held of record by the NNF 2022-2 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power. Includes 37,839 shares gifted to the trust following their distribution from the NNF 2020-2 GRAT to its settlor and 32,009 shares gifted to the trust following their distribution from the NNF 2021-2 GRAT to its settlor, each being annuity payments required by the terms of the respective trusts. Also includes 24,977 shares gifted to the NNF 2022-2 GRAT by its settlor.

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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