| 21 May 2013 | OTHER | Artio Global Investors Inc. | 299,373 | 2.75 USD | |
| 01 Feb 2013 | GRANT_AWARD | Artio Global Investors Inc. | 60,508 | 0.00 USD | |
| 20 Nov 2012 | GRANT_AWARD | Artio Global Investors Inc. | 1,678 | 0.00 USD | |
| 27 Aug 2012 | GRANT_AWARD | Artio Global Investors Inc. | 1,087 | 0.00 USD | |
| 23 May 2012 | GRANT_AWARD | Artio Global Investors Inc. | 1,110 | 0.00 USD | |
| 28 Feb 2012 | GRANT_AWARD | Artio Global Investors Inc. | 2,029 | 0.00 USD | |
| 03 Feb 2012 | GRANT_AWARD | Artio Global Investors Inc. | 49,774 | 0.00 USD | |
| 22 Nov 2011 | GRANT_AWARD | Artio Global Investors Inc. | 1,307 | 0.00 USD | |
| 24 Aug 2011 | GRANT_AWARD | Artio Global Investors Inc. | 940 | 0.00 USD | |
| 25 May 2011 | GRANT_AWARD | Artio Global Investors Inc. | 205 | 0.00 USD | |
| 25 May 2011 | GRANT_AWARD | Artio Global Investors Inc. | 408 | 0.00 USD | |
| 23 Feb 2011 | GRANT_AWARD | Artio Global Investors Inc. | 184 | 0.00 USD | |
| 23 Feb 2011 | GRANT_AWARD | Artio Global Investors Inc. | 367 | 0.00 USD | |
| 04 Feb 2011 | GRANT_AWARD | Artio Global Investors Inc. | 20,905 | 0.00 USD | |
| 04 Feb 2011 | GRANT_AWARD | Artio Global Investors Inc. | 47,549 | 0.00 USD | |
| 23 Nov 2010 | GRANT_AWARD | Artio Global Investors Inc. | 351 | 0.00 USD | |
| 25 Aug 2010 | GRANT_AWARD | Artio Global Investors Inc. | 350 | 0.00 USD | |
| 09 Jun 2010 | GRANT_AWARD | Artio Global Investors Inc. | 17,500 | 17.33 USD | |
| 05 Feb 2010 | GRANT_AWARD | Artio Global Investors Inc. | 11,450 | 0.00 USD | |
| 29 Sept 2009 | GRANT_AWARD | Artio Global Investors Inc. | 81,086 | 0.00 USD | |