Including debt, the deal is valued at about $2.9 billion. : Arby’s restaurant owner Roark Capital Group will buy Buffalo Wild Wings for $2.4 billion, months after an activist investor won seats on the restaurant’s board following a bitter proxy fight. The private equity firm will buy Buffalo Wild Wings (bwld) for $157 per share, representing a premium of 7.2% to the chicken-wing restaurant’s Monday’s close. The offer is a 34% premium to the stock price on Nov. 13, the last trading day before media reports said that Roark had made a takeover offer of more than $150 per share.