No additional shares have been issued since September 19, 2012. As of September 19th, there were 1,503,071,766 shares of Common Stock outstanding. As of today, Novmeber 12, 2012, there are 1,503,071,766 shares outstanding, the exact same number. See today's filing.
In April 2012, there were 558.5M shares outstanding. In May 2012, there were 644.5M shares outstanding. In August 2012, there were 984,772,657 shares outstanding.