| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer, Director | $25.01 | 132,000 | $3,300,765.60 | 21,109,306 | 2013-06-25 | Filing |
| Large Shareholder, Officer, Director | $37.09 | 100,000 | $3,709,000.00 | 18,004,659 | 2011-05-18 | Filing |
| Director | $36.75 | 4,000 | $147,000.00 | 15,000 | 2011-05-10 | Filing |
| Large Shareholder, Officer, Director | $35.00 | 250,000 | $8,750,000.00 | 21,541,306 | 2011-04-15 | Filing |
| Large Shareholder, Officer, Director | $35.50 | 324,030 | $11,503,065.00 | 17,937,123 | 2011-04-12 | Filing |
| Large Shareholder, Officer, Director | $35.50 | 324,030 | $11,503,065.00 | 21,791,306 | 2011-04-12 | Filing |
| Director | $38.50 | 1,500 | $57,753.15 | 124,750 | 2011-04-05 | Filing |
| Director | $38.50 | 4,000 | $154,008.40 | 124,750 | 2011-04-05 | Filing |
| Director | $38.50 | 1,500 | $57,753.15 | 124,750 | 2011-04-05 | Filing |
| Director | $30.50 | 4,000 | $122,008.40 | 124,750 | 2011-04-05 | Filing |
| Officer | $38.54 | 16,000 | $616,702.40 | 0 | 2011-04-05 | Filing |
| Officer | $38.54 | 32,000 | $1,233,404.80 | 0 | 2011-04-05 | Filing |
| Officer | $37.51 | 19,518 | $732,129.94 | 0 | 2011-03-31 | Filing |
| Officer | $37.46 | 40,000 | $1,498,328.00 | 19,518 | 2011-03-31 | Filing |
| Officer | $37.36 | 60,000 | $2,241,840.00 | 19,518 | 2011-03-31 | Filing |
| Director | $33.42 | 4,000 | $133,678.40 | 40,000 | 2011-03-16 | Filing |
| Officer | $34.00 | 10,000 | $340,000.00 | 7,000 | 2011-03-14 | Filing |
| Large Shareholder, Officer, Director | $32.24 | 261,599 | $8,433,951.76 | 2,452,165 | 2011-02-25 | Filing |
| Large Shareholder, Officer, Director | $32.24 | 261,599 | $8,433,951.76 | 18,428,689 | 2011-02-25 | Filing |
| Officer | $26.87 | 36,000 | $967,179.60 | 1,068 | 2010-11-19 | Filing |