Complex sentence: In June 2011 the bank was officially put up for sale back to the private sector, and on 17 November 2011 it was announced that Virgin Money were going to buy Northern Rock plc for £747 million.
Split into simpler sentences: In June 2011 the bank was officially put up for sale back to the private sector. On 17 November 2011 it was announced that Virgin Money were going to buy Northern Rock plc for £747 million.