- While Mark Cuban is in the process of selling a majority stake in the Mavericks franchise, there’s one holdout among the minority owners. Mary Stanton informed the franchise she won’t be selling her stake at this time, Brad Townsend of the Dallas Morning News reports. Stanton is the widow of Horace Ardinger, an original shareholder who bought a 4.13% stake in the franchise in 1980. A Board of Governors vote on the sale will be held on Dec. 20.