SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Foran Joseph Wm (Last) (First) (Middle) 5400 LBJ FREEWAY, SUITE 1500 (Street) DALLAS TX 75240 (City) (State) (Zip)	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, CEO and President
	3. Date of Earliest Transaction (Month/Day/Year) 08/17/2012
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	08/17/2012		P		10,000	A	$10.16(1)	1,064,933(2)	I	See footnote(3)
Common Stock								200,156(4)(5)(6)	D
Common Stock								10,000(2)	I	See footnote(7)
Common Stock								4,000(2)	I	See footnote(8)
Common Stock								1,208,640(2)	I	See footnote(9)
Common Stock								1,208,640(2)	I	See footnote(10)
Common Stock								135,500(2)	I	See footnote(11)
Common Stock								50,000(2)	I	See footnote(12)

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.67 to $10.31 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

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 Sage Resources, Ltd., which is a limited partnership owned by the reporting person's family, including the reporting person.

4. Includes 20,052 shares of restricted stock granted to the reporting person on April 16, 2012. Such shares of restricted stock will vest in two equal biennial installments beginning on the second anniversary of the date of grant, April 16, 2014.

5. Includes 20,052 shares of restricted stock granted to the reporting person on April 16, 2012. Such shares of restricted stock will vest following April 15, 2015, in an amount to be determined based upon the achievement of certain performance conditions as specified in the reporting person's award agreement.

6. Includes 20,052 restricted stock units granted to the reporting person on April 16, 2012. Such restricted stock units will vest, and an applicable number of shares of common stock will be deliverable to the reporting person, following April 15, 2015, in an amount to be determined based upon the achievement of certain performance conditions as specified in the reporting person's award agreement.

7. Represents shares held of record by one of the reporting person's college age children. The amount of shares of common stock previously reported has been adjusted because the reporting person no longer has a reportable beneficial interest in 10,000 shares of common stock held of record by one of his children.

8. Represents shares held of record by the reporting person's spouse through her Individual Retirement Account.

9. Represents shares held of record by the JWF 2011-1 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power.

10. Represents shares held of record by the NNF 2011-1 GRAT, for which the reporting person is the trustee and over which the reporting person has sole voting and investment power.

11. Represents shares held of record by The Don Foran Family Trust 2008, for which the reporting person is the co-trustee and over which the reporting person has shared voting and investment power with other members of his family.

12. Represents shares held of record by The Foran Family Special Needs Trust for which the reporting person is the co-trustee and over which the reporting person has shared voting and investment power with other members of his family.

	/s/ Joseph Wm. Foran	08/20/2012
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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