SEC Form 4: Maffei Gregory B acquired 393,342 units of Series A Liberty Live Common Stock, disposed of 1,507,140 units of Series A Liberty SiriusXM Common Stock, acquired 1,507,140 units of Series A Liberty SiriusXM Common Stock, disposed of 936,776 units of Series C Liberty Formula One Common Stock, disposed of 9,172 units of Series B Liberty Formula One Common Stock, disposed of 36,690 units of Series B Liberty SiriusXM Common Stock, disposed of 4,591,829 units of Series C Liberty SiriusXM Common Stock, acquired 386,889 units of Series A Liberty Formula One Common Stock, disposed of 386,889