| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $35.61 | 3,864 | $137,597.04 | 57,555 | 2011-04-25 | Filing |
| Officer | $38.54 | 13,414 | $516,975.56 | 59,069 | 2011-02-25 | Filing |
| Large Shareholder, Officer, Director | $41.25 | 32,779 | $1,352,133.75 | 1,526,194 | 2011-02-16 | Filing |
| Other | $42.36 | 5,064 | $214,511.04 | 98,583 | 2010-12-22 | Filing |
| Other | $42.38 | 5,064 | $214,612.32 | 103,647 | 2010-12-22 | Filing |
| Director, Other | $42.29 | 100,000 | $4,229,000.00 | 536,692 | 2010-12-21 | Filing |
| Officer | $41.84 | 13,545 | $566,722.80 | 68,789 | 2010-12-20 | Filing |
| Officer | $41.09 | 10,000 | $410,900.00 | 46,915 | 2010-12-16 | Filing |
| Officer | $41.75 | 917 | $38,284.75 | 7,091 | 2010-12-09 | Filing |
| Officer | $41.82 | 21,419 | $895,742.58 | 11,151 | 2010-12-13 | Filing |
| Officer | $39.00 | 25,000 | $975,000.00 | 84,626 | 2010-11-10 | Filing |
| Large Shareholder, Officer, Director | $39.15 | 150,000 | $5,872,500.00 | 1,526,194 | 2010-11-10 | Filing |
| Large Shareholder, Officer, Director | $39.18 | 200,000 | $7,836,000.00 | 1,526,194 | 2010-11-11 | Filing |
| Large Shareholder, Officer, Director | $39.65 | 350,000 | $13,877,500.00 | 1,526,194 | 2010-11-05 | Filing |
| Other | $38.81 | 148,200 | $5,751,642.00 | 495,559 | 2010-11-04 | Filing |
| Other | $38.05 | 1,800 | $68,490.00 | 643,759 | 2010-11-03 | Filing |
| Large Shareholder | $38.81 | 148,200 | $5,751,642.00 | 495,559 | 2010-11-04 | Filing |
| Large Shareholder | $38.05 | 1,800 | $68,490.00 | 643,759 | 2010-11-03 | Filing |
| Large Shareholder, Officer, Director | $38.81 | 148,200 | $5,751,642.00 | 495,559 | 2010-11-04 | Filing |
| Large Shareholder, Officer, Director | $38.05 | 1,800 | $68,490.00 | 643,759 | 2010-11-03 | Filing |