Subway has sold itself to private equity firm Roark Capital, ending a six-month long search for a buyer. It brings to an end the sandwich chain’s near six-decade run as a family-owned business, a media report said. Roark’s deal is one of the biggest acquisitions in fast food history, coming in just under Inspire Brands’ $11.3 billion purchase of Dunkin’ in October 2020. Roark owns Inspire, which also operates Subway rival Jimmy John’s..