As of April 27 2016 433,268,150 shares shares outstanding. An increase of 35,785,629 since April 6. But we know the A/S was 400 million until April 15. Between April 6th and the 15th only 2,517,479 could be dumped at the most. So between the 15th and the 27th 33,268,150 shares were dumped. That's only 8 trading days if you include the 27th.
As of April 6 2016 397,482,521 shares outstanding
As of February 26, 2016 330,826,801 shares outstanding