Who bought this stock on February? 2011/02/18 0.0020 0.015 0.0020 0.0065 9,877,353 0.0065 2011/02/17 0.0021 0.0030 0.0018 0.0030 240,700 0.0030 2011/02/16 0.0028 0.0039 0.0021 0.0021 914,744 0.0021