ITC's largest shareholder British American Tobacco (BAT) on Tuesday announced it will sell a 3.5% stake in the conglomerate through a block deal. The transaction could be worth ₹16,775 crore, with shares offered at a price of ₹384-₹400 apiece, CNBC-TV18 reported. The deal will cut BAT's stake in ITC from around 29% to 25.5%.