SEC Form 4: B Stanley Humphries exercised 2,915 units of Class A Common Stock at a strike of $30.75, sold $583,029 worth of Class A Common Stock (2,915 units at $200.01), exercised 41,359 units of Class C Capital Stock at a strike of $42.24 and sold $8,207,764 worth of Class C Capital Stock (42,342 units at $193.84), increasing ownership by 44,544% to 55,359 units