Diamondback Energy, Inc. — Director's Dealing 2014

Sep 17, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Diamondback Energy, Inc. (FANG)
CIK: 0001539838
Period of Report: 2014-09-15

Reporting Person: Hollis Michael L. (VP Drilling)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-09-15	Common Stock	M	7700	$17.50	Acquired	33619	Direct
2014-09-15	Common Stock	S	7700	$75.8448	Disposed	25919	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-09-15	Stock Option (right to buy)	$17.50	M	7700	Disposed	2016-09-12	Common Stock (7700)	Direct

Footnotes

F1: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2014.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $75.300 to 76.240, inclusive. The reporting person undertakes to provide to Diamondback Energy, Inc., any security holder of Diamondback Energy, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2).

F3: All of these options to purchase 7,700 shares of common stock of the issuer were vested at the time of exercise. Of the remaining options to purchase 45,345 shares of common stock of the issuer, options to purchase 20,345 shares of common stock are vested, and options to purchase 25,000 shares of common stock will vest on September 12, 2015.