SEC Form 4: D Brian Zook exercised 5,490 units of Class C Common Shares at a strike of $0.00, disposed of $21,232 worth of Class C Common Shares (1,588 units at $13.37), exercised 2,631 units of Class A Common Shares at a strike of $0.00 and disposed of $10,076 worth of Class A Common Shares (761 units at $13.24), increasing direct ownership by 155% to 25,797 units