SEC Form 3

FORM 3

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

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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. Date of Event Requiring Statement (Month/Day/Year) 10/11/2012	3. Issuer Name and Ticker or Trading Symbol Diamondback Energy, Inc. [ FANG ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $0.01 per share(4)	14,697,496(1)	I(2)(3)	See Footnotes(2)(3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	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 3 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 Wexford Capital and Wexford GP, to the extent of their respective pecuniary interests, and except, in the case of Davidson and Jacobs, to the extent of their respective interests in each member of DB Energy.

4. DB Energy received 14,697,496 shares of Common Stock in the merger of Diamondback Energy LLC with and into the Issuer prior to the completion of the initial public offering of the Issuer.

	/s/ Jay Maymudes, Vice President, Secretary and Treasurer of Wexford GP LLC, the general partner of Wexford Capital LP	10/11/2012
	/s/ Charles E. Davidson	10/11/2012
	/s/ Joseph Jacobs	10/11/2012
	/s/ Jay Maymudes, Vice President, Secretary and Treasurer of Wexford GP LLC	10/11/2012
	** 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 5 (b)(v).
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