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* WEXFORD CAPITAL LP (Last) (First) (Middle) 411 WEST PUTNAM AVENUE SUITE 125 (Street) GREENWICH CT 06830 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Diamondback Energy, Inc. [ FANG ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 10/11/2012
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X 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, par value $0.01 per share(4)	10/11/2012		P		1,717,126(1)(2)(3)(4)	A	$17.5	16,414,622(1)(2)(3)	I(2)(3)	See Footnotes(2)(3)

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

1. Name and Address of Reporting Person* WEXFORD CAPITAL LP (Last) (First) (Middle) 411 WEST PUTNAM AVENUE SUITE 125 (Street) GREENWICH CT 06830 (City) (State) (Zip)

1. Name and Address of Reporting Person* DAVIDSON CHARLES E (Last) (First) (Middle) 411 WEST PURNAM AVENUE SUITE 125 (Street) GREENWICH CT 06830 (City) (State) (Zip)

1. Name and Address of Reporting Person* JACOBS JOSEPH (Last) (First) (Middle) 411 WEST PUTNAM AVENUE SUITE 125 (Street) GREENWICH CT 06830 (City) (State) (Zip)

1. Name and Address of Reporting Person* Wexford GP LLC (Last) (First) (Middle) 411 WEST PUTNAM AVENUE SUITE 125 (Street) GREENWICH CT 06830 (City) (State) (Zip)

Explanation of Responses:

1. This Form 4 is jointly filed by Wexford Capital LP, Charles E. Davidson, Joseph M. Jacobs and Wexford GP LLC, with respect to shares of common stock, par value $0.01 per share (the "Common Stock"), of Diamondback Energy, Inc. (the "Issuer").

2. Wexford Capital LP ("Wexford Capital") may, by reason of its status as manager of DB Energy Holdings LLC ("DB Energy"), be deemed to own beneficially the securities of which DB Energy possesses beneficial ownership. Wexford GP LLC ("Wexford GP") may, as the General Partner of Wexford Capital, be deemed to own beneficially the securities of which DB Energy possesses beneficial ownership. Each of Charles E. Davidson ("Davidson") and Joseph M. Jacobs ("Jacobs") may, by reason of his status as a controlling person of Wexford GP, be deemed to own beneficially the securities of which DB Energy possesses beneficial ownership. Each of Wexford Capital, Wexford GP, Davidson and Jacobs shares the power to vote and to dispose of the securities beneficially owned by DB Energy.

3. Each of Wexford Capital, Wexford GP, Davidson and Jacobs disclaims beneficial ownership of the securities owned by DB Energy and this report shall not be deemed as an admission that they are the beneficial owners of such securities except, in the case of Davidson and Jacobs, to the extent of their respective interests in each member of DB Energy.

4. DB Energy purchased 1,717,126 shares of Common Stock in the initial public offering of the Issuer.

	/s/ Arthur Amron, Vice President and Assistant Secretary of Wexford Capital LP	10/15/2012
	/s/ Charles E. Davidson	10/15/2012
	/s/ Joseph Jacobs	10/15/2012
	/s/ Arthur Amron, Vice President and Assistant Secretary of Wexford GP LLC	10/15/2012
	** 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).
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