Chief Commercial Officer Golwas Douglas P covered exercise/tax liability with 1,889 shares, converted options into 100,000 shares, sold $3,677,115 worth of shares (100,000 units at $36.77) as part of a pre-agreed trading plan and returned 100,000 units of Class B Common Stock to the company, increasing direct ownership by 1,319% to 365,864 units (SEC Form 4)