EVP, Gen Counsel & Secretary Hall Bryan H covered exercise/tax liability with 10,667 units of Class A Common Shares, converted options into 36,487 units of Class C Common Shares, covered exercise/tax liability with 15,964 units of Class C Common Shares and converted options into 24,378 units of Class A Common Shares, decreasing direct ownership by 15% to 176,780 units (SEC Form 4)