| Jul 12, 2013 | Buy | 2,000 | 5.81 USD | $11.6K | conv 6 | SEC | |
| Jul 12, 2013 | Buy | 455 | 5.78 USD | $2.6K | conv 5 | SEC | |
| Jul 12, 2013 | Buy | 4,000 | 5.82 USD | $23.3K | conv 9 | SEC | |
| Jul 12, 2013 | Buy | 1,000 | 5.79 USD | $5.8K | conv 7 | SEC | |
| Jul 10, 2013 | Buy | 1,000 | 21.76 USD | $21.8K | conv 7 | SEC | |
| Jul 10, 2013 | Buy | 1,000 | 21.78 USD | $21.8K | conv 7 | SEC | |
| Jul 9, 2013 | Buy | 1,000 | 21.88 USD | $21.9K | conv 11 | SEC | |
| Jul 9, 2013 | Buy | 3,000 | 21.86 USD | $65.6K | conv 40Unusual size | SEC | |
| Jul 5, 2013 | Buy | 1,000 | 22.55 USD | $22.6K | conv 44 | SEC | |
| Jul 5, 2013 | Buy | 1,000 | 22.55 USD | $22.6K | conv 44 | SEC | |
| Apr 8, 2013 | Buy | 524 | 19.80 USD | $10.4K | conv 23 | SEC | |
| Jan 3, 2013 | Buy | 500 | 24.23 USD | $12.1K | conv 12 | SEC | |
| Jan 3, 2013 | Buy | 500 | 24.23 USD | $12.1K | conv 12 | SEC | |
| Oct 10, 2012 | Sell | -500 | 18.73 USD | $9.4K | | SEC | |
| Sep 26, 2012 | Sell | -11,000 | 6.79 USD | $74.7K | Unusual size | SEC | |
| Sep 26, 2012 | Sell | -10,000 | 13.28 USD | $132.8K | Unusual size | SEC | |
| Sep 26, 2012 | Sell | -4,000 | 6.78 USD | $27.1K | | SEC | |
| Sep 19, 2012 | Sell | -1,000 | 26.44 USD | $26.4K | | SEC | |
| Sep 18, 2012 | Sell | -3,000 | 26.26 USD | $78.8K | Unusual size | SEC | |
| Jul 20, 2012 | Buy | 1,000 | 22.60 USD | $22.6K | conv 11 | SEC | |
| Jul 16, 2012 | Sell | -1,000 | 16.80 USD | $16.8K | | SEC | |
| Jul 13, 2012 | Sell | -106 | 23.96 USD | $2.5K | | SEC | |
| Jul 13, 2012 | Sell | -100 | 16.77 USD | $1.7K | | SEC | |
| Apr 26, 2012 | Sell | -1,000 | 16.72 USD | $16.7K | | SEC | |
| Apr 23, 2012 | Sell | -958 | 16.73 USD | $16K | | SEC | |