David D. Dunlap, President & CEO, Director at Superior Energy Services, holds 94.11K shares in Superior Energy Services (Ticker: SPNX), holds 37.06K shares in Linn Energy (Ticker: LINEQ), holds 0.00 shares in LinnCo (Ticker: LNCOQ). Most recently, David D. Dunlap Sold ― shares of Superior Energy Services on Feb 03, 2021 for an estimated value of 2.23K.