SEC Form 4: Zaslav David exercised 451,985 units of Series A Common Stock at a strike of $22.95, returned $11,501,889 worth of Series A Common Stock to the company (437,667 units at $26.28), covered exercise/tax liability with 7,918 units of Series A Common Stock, exercised 451,985 units of Series C Common Stock at a strike of $21.71, returned $11,093,962 worth of Series C Common Stock to the company (435,228 units at $25.49) and covered exercise/tax liability with 9,267 units of Series C Common Stock, decreasing direct ownership by 52% to 1,265,843 units to satisfy withholding tax