David Roland, SVP, General Counsel and Sec at Diamond Offshore Drilling, holds 80.31K shares in Diamond Offshore Drilling Inc (Ticker: DO), holds 810.00 shares in Diamond Offshore Drilling (Ticker: DOFSQ), holds 187.86K shares in Ion Geophysical (Ticker: IOGPQ). Most recently, David Roland Sold ― shares of Diamond Offshore Drilling Inc on Mar 06, 2024 for an estimated value of 59.95K.