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: Pantermuehl Russell (VP Reservoir Engineering)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-09-19	Common Stock	M	13482	$17.50	Acquired	15482	Direct
2013-09-19	Common Stock	S	13482	$44.2929	Disposed	2000	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	13482	Disposed	2016-08-15	Common Stock (13842)	Direct

Footnotes

F1: All of these options to purchase 13,482 shares of common stock of the issuer were vested as of August 15, 2013. Of the remaining options, options to purchase 25,000 shares of common stock are vested and options to purchase 50,000 shares of common stock will vest in two equal annual installments beginning on August 15, 2014.