Chief Legal/Admin Officer Wilm Renee L exercised 8,500 units of Series C Liberty Formula One Common Stock at a strike of $42.06, covered exercise/tax liability with 6,273 units of Series C Liberty Formula One Common Stock and sold $1,512,734 worth of Series C Liberty Formula One Common Stock (19,202 units at $78.78), closing all direct ownership in the company (SEC Form 4)