David Knott, Director at Ligand Pharma, holds 1.27M shares in Ligand Pharma (Ticker: LGND), holds 0.00 shares in Dyadic International (Ticker: DYAI), holds 304.63K shares in Rand Logistics (Ticker: RLOGQ). Most recently, David Knott Sold ― shares of Ligand Pharma on Aug 19, 2015 for an estimated value of 383.92K.