SEC Form 4: D Brian Zook exercised 290 units of Class A Common Shares at a strike of $0.00, disposed of $1,244 worth of Class A Common Shares (100 units at $12.44), exercised 580 units of Class C Common Shares at a strike of $0.00 and disposed of $2,483 worth of Class C Common Shares (199 units at $12.47), increasing ownership by 210% to 21,127 units