The transaction was reported just one day after Cuban confirmed to The Hollywood Reporter that he's leaving ABC's hit reality television show, 'Shark Tank,' after the upcoming 16th season.įrankly, Cuban's recent moves are perplexing - being the owner of the basketball team and later becoming one of the faces of 'Shark Tank' are pretty much the two sole things that's turned him into a household name. On Tuesday, longtime Dallas Mavericks owner Mark Cuban shocked the sports world after reportedly selling a 'majority stake' of the team to Miriam Adelson, wife of the late casino magnate, Sheldon Adelson, for approximately $3.5 billion. Account icon An icon in the shape of a person's head and shoulders.