| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder | $28.16 | 27,500 | $774,262.50 | 5,204,186 | 2013-04-05 | Filing |
| Large Shareholder | $27.46 | 43,500 | $1,194,496.95 | 5,176,686 | 2013-04-03 | Filing |
| Large Shareholder | $27.36 | 48,100 | $1,316,011.19 | 5,133,186 | 2013-04-03 | Filing |
| Large Shareholder | $29.97 | 92,100 | $2,760,052.80 | 5,085,086 | 2013-03-26 | Filing |
| Large Shareholder | $28.09 | 38,790 | $1,089,494.73 | 4,992,986 | 2013-02-27 | Filing |
| Large Shareholder | $27.91 | 38,790 | $1,082,628.90 | 4,954,196 | 2013-02-27 | Filing |
| Large Shareholder | $26.86 | 15,700 | $421,623.50 | 4,915,406 | 2013-01-16 | Filing |
| Large Shareholder | $27.02 | 8,060 | $217,813.44 | 4,899,706 | 2013-01-16 | Filing |
| Large Shareholder | $25.88 | 28,500 | $737,665.50 | 4,891,646 | 2013-01-15 | Filing |
| Large Shareholder | $19.50 | 48,200 | $939,803.60 | 4,863,146 | 2012-11-07 | Filing |
| Large Shareholder | $40.59 | 116,200 | $4,716,964.70 | 4,814,946 | 2012-08-28 | Filing |
| Large Shareholder | $38.13 | 23,200 | $884,576.56 | 4,698,746 | 2012-08-27 | Filing |
| Large Shareholder | $27.49 | 23,600 | $648,764.00 | 4,675,546 | 2012-05-21 | Filing |
| Large Shareholder | $40.77 | 100,000 | $4,077,000.00 | 5,929,626 | 2012-05-03 | Filing |
| Large Shareholder | $39.97 | 1,000 | $39,970.00 | 58,030 | 2012-03-08 | Filing |
| Large Shareholder | $39.97 | 99,000 | $3,957,030.00 | 5,828,626 | 2012-03-08 | Filing |
| Large Shareholder | $32.55 | 90,000 | $2,929,500.00 | 5,729,626 | 2012-01-04 | Filing |
| Large Shareholder | $36.85 | 100,000 | $3,685,000.00 | 5,639,626 | 2011-11-30 | Filing |
| Large Shareholder | $41.73 | 100,000 | $4,173,000.00 | 5,539,626 | 2011-11-28 | Filing |
| Large Shareholder | $42.56 | 1,500 | $63,840.00 | 57,030 | 2011-11-03 | Filing |