Diamondback Energy, Inc. — Director's Dealing 2013

Sep 26, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Diamondback Energy, Inc. (FANG)
CIK: 0001539838
Period of Report: 2013-09-19

Reporting Person: Molnar Paul (VP Geoscience)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-09-19	Common Stock	M	1719	$17.50	Acquired	1719	Direct
2013-09-19	Common Stock	S	1719	$44.8673	Disposed	0	Direct
2013-09-20	Common Stock	M	11511	$17.50	Acquired	11511	Direct
2013-09-20	Common Stock	S	11511	$43.1726	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-09-19	Stock Option (right to buy)	$17.50	M	1719	Disposed	2016-08-15	Common Stock (1719)	Direct
2013-09-20	Stock Option (right to buy)	$17.50	M	11511	Disposed	2016-08-15	Common Stock (11511)	Direct

Footnotes

F1: All of these 1,719 options to purchase shares of common stock of the issuer were vested as of August 15, 2013. Of the remaining options, options to purchase 24,556 shares of common stock are vested and options to purchase 50,000 shares of common stock will vest in two approximately equal annual installments beginning on August 15, 2014.

F2: All of these 11,511 options to purchase shares of common stock of the issuer were vested as of August 15, 2013. Of the remaining options, options to purchase 13,045 shares of common stock are vested and options to purchase 50,000 shares of common stock will vest in two approximately equal annual installments beginning on August 15, 2014.