Rackspace , the #1 managed cloud company, today announced that its chairman, Graham Weston, purchased Rackspace stock worth $2.5 million, and filed a 10b5-1 trading plan to purchase up to $2.5 million more over the next year, as part of his individual investment strategy. The initial $2.5 million purchase was made on the open market on November 18, 2014, at an average price of $42.752 per share for 58,480 shares.