| 21 May 2013 | OTHER | Artio Global Investors Inc. | 10,163 | 2.75 USD | |
| 21 May 2013 | OTHER | Artio Global Investors Inc. | 400 | 2.75 USD | |
| 20 Nov 2012 | GRANT_AWARD | Artio Global Investors Inc. | 200 | 1.90 USD | |
| 20 Nov 2012 | GRANT_AWARD | Artio Global Investors Inc. | 15,000 | 1.94 USD | |
| 17 May 2012 | GRANT_AWARD | Artio Global Investors Inc. | 19,608 | 0.00 USD | |
| 09 Nov 2011 | TAX_WITHHOLDING | Artio Global Investors Inc. | 2,100 | 6.52 USD | |
| 17 May 2011 | GRANT_AWARD | Artio Global Investors Inc. | 4,082 | 0.00 USD | |
| 15 Feb 2011 | TAX_WITHHOLDING | Artio Global Investors Inc. | 1,900 | 15.47 USD | |
| 27 Aug 2010 | TAX_WITHHOLDING | Artio Global Investors Inc. | 3,500 | 13.99 USD | |
| 18 May 2010 | GRANT_AWARD | Artio Global Investors Inc. | 2,792 | 0.00 USD | |
| 18 Feb 2010 | PURCHASE | Artio Global Investors Inc. | 800 | 23.77 USD | |
| 18 Feb 2010 | PURCHASE | Artio Global Investors Inc. | 100 | 23.75 USD | |
| 18 Feb 2010 | PURCHASE | Artio Global Investors Inc. | 200 | 23.80 USD | |
| 08 Dec 2009 | GRANT_AWARD | Artio Global Investors Inc. | 2,573 | 0.00 USD | |
| 25 Nov 2009 | PURCHASE | Artio Global Investors Inc. | 100 | 24.01 USD | |
| 25 Nov 2009 | PURCHASE | Artio Global Investors Inc. | 200 | 24.01 USD | |
| 25 Nov 2009 | PURCHASE | Artio Global Investors Inc. | 500 | 24.01 USD | |
| 29 Sept 2009 | GRANT_AWARD | Artio Global Investors Inc. | 2,308 | 0.00 USD | |