Director Shlevin Harold H. sold $119,240 worth of shares (20,000 units at $5.96), sold $936,071 worth of shares (155,790 units at $6.01), exercised 151,790 shares at a strike of $2.31 and exercised 20,000 shares at a strike of $1.98, decreasing direct ownership by 26% to 11,206 units (SEC Form 4)