INSIDER
SEC Form 4: Dunleavy Keith R gifted 5,120,000 units of Class B Common Stock, returned $2,042,917,455 worth of Class B Common Stock to the company (49,827,255 units at $41.00) and returned $27,060,000 worth of shares to the company (660,000 units at $41.00), closing all direct ownership in the company (withholding tax)