Klein Pavlis & Peasley Financial Inc.’s holdings in Diamondback Energy were worth $248,000 as of its most recent filing with the Securities and Exchange Commission. Insider Activity at Diamondback EnergyIn other news, Chairman Travis D. Stice sold 20,400 shares of Diamondback Energy stock in a transaction dated Thursday, August 7th. Diamondback Energy Stock Up 1.7%Shares of NASDAQ:FANG opened at $148.25 on Monday. Visit HoldingsChannel.com to get the latest 13F filings and insider trades for Diamondback Energy, Inc. (NASDAQ:FANG – Free Report). Receive News & Ratings for Diamondback Energy Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Diamondback Energy and related companies with MarketBeat.com's FREE daily email newsletter.