| Sep 14, 2011 | Vente | -616 | 14.80 USD | $9.1K | | SEC | |
| Sep 14, 2011 | Vente | -1,184 | 15.20 USD | $18K | | SEC | |
| Sep 9, 2011 | Vente | -1,992 | 15.81 USD | $31.5K | | SEC | |
| Jun 17, 2011 | Vente | -690 | 15.79 USD | $10.9K | | SEC | |
| Jun 8, 2011 | Vente | -500 | 16.32 USD | $8.2K | | SEC | |
| Jun 8, 2011 | Vente | -600 | 16.24 USD | $9.7K | | SEC | |
| Jun 3, 2011 | Vente | -300 | 16.55 USD | $5K | | SEC | |
| Jun 3, 2011 | Vente | 1,410 | 16.31 USD | $23K | | SEC | |
| Jun 3, 2011 | Vente | -1,500 | 16.34 USD | $24.5K | | SEC | |
| Mar 7, 2011 | Vente | -1,500 | 16.00 USD | $24K | | SEC | |
| Mar 7, 2011 | Vente | -2,500 | 15.96 USD | $39.9K | Taille inhabituelle | SEC | |
| Mar 7, 2011 | Vente | -1,000 | 16.00 USD | $16K | | SEC | |
| Dec 3, 2010 | Vente | -2,000 | 13.53 USD | $27.1K | Taille inhabituelle | SEC | |
| Dec 3, 2010 | Vente | -500 | 13.40 USD | $6.7K | | SEC | |
| Dec 3, 2010 | Vente | -400 | 13.81 USD | $5.5K | | SEC | |
| Sep 22, 2010 | Vente | -100 | 9.67 | $967 | | SEC | |
| Sep 22, 2010 | Vente | -900 | 9.50 | $8.6K | | SEC | |
| Sep 22, 2010 | Vente | -1,200 | 9.50 | $11.4K | Taille inhabituelle | SEC | |
| Sep 22, 2010 | Vente | -1,000 | 9.50 | $9.5K | | SEC | |
| Aug 24, 2010 | Vente | -859 | 11.69 | $10K | Taille inhabituelle | SEC | |
| Aug 18, 2010 | Vente | -200 | 12.52 | $2.5K | | SEC | |
| Aug 18, 2010 | Vente | -100 | 12.53 | $1.3K | | SEC | |
| Aug 18, 2010 | Vente | -200 | 13.18 | $2.6K | | SEC | |
| Aug 18, 2010 | Vente | -100 | 12.55 | $1.3K | | SEC | |
| Aug 18, 2010 | Vente | -200 | 12.55 | $2.5K | | SEC | |