| Filed On | Filing |
|---|---|
| 12 May 2014 | SC 13G/A |
| 14 Feb 2014 | SC 13G/A |
| 14 Feb 2014 | SC 13G/A |
| 12 Feb 2014 | SC 13G/A |
| 30 Jan 2014 | SC 13G/A |
| 10 Oct 2013 | SC 13G/A |
| 14 Feb 2013 | SC 13G/A |
| 14 Feb 2013 | SC 13G/A |
| 11 Feb 2013 | SC 13G/A |
| 01 Feb 2013 | SC 13G/A |
| 14 Feb 2012 | SC 13G/A |
| 10 Feb 2012 | SC 13G/A |
| 11 Mar 2011 | SC 13G/A |
| 10 Feb 2011 | DOC ONE |
| 08 Feb 2011 | SC 13G/A |
| 16 Feb 2010 | AMENDMENT NO. 4 |
| 12 Feb 2010 | 13G/A 2009 FRIESS ASSOCIATES |
| 17 Feb 2009 | FEBRUARY 17, 2009 |
| 17 Feb 2009 | AMENDMENT NO. 3 |
| 13 Feb 2009 | SCHEDULE 13G AMENDMENT NO. 1 |
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