Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $75.73 | 40,000 | Officer, Director | 17,616 | 2011-03-21 | Filing |
| $76.42 | 53,750 | Officer, Director | 17,616 | 2011-03-21 | Filing |
| $38.37 | 3,700 | Large Shareholder, Officer, Director | 48,200 | 2010-08-13 | Filing |
| $38.11 | 2,700 | Large Shareholder, Officer, Director | 51,900 | 2010-08-12 | Filing |
| $74.12 | 12,500 | Large Shareholder, Officer, Director | 2,000 | 2011-02-04 | Filing |
| $74.00 | 12,500 | Large Shareholder, Officer, Director | 14,500 | 2011-02-03 | Filing |
| $75.13 | 1,749 | Officer | 10,000 | 2011-02-04 | Filing |
| $75.13 | 73,251 | Officer | 10,000 | 2011-02-04 | Filing |
| $72.50 | 25,000 | Large Shareholder, Officer, Director | 27,000 | 2011-02-01 | Filing |
| $73.27 | 50,000 | Large Shareholder, Officer, Director | 52,000 | 2011-02-01 | Filing |
| $73.19 | 1,200 | Large Shareholder, Officer, Director | 2,000 | 2011-01-12 | Filing |
| $72.37 | 98,800 | Large Shareholder, Officer, Director | 2,000 | 2011-01-12 | Filing |
| $68.49 | 35,600 | Large Shareholder, Officer, Director | 2,000 | 2011-01-05 | Filing |
| $71.15 | 39,400 | Large Shareholder, Officer, Director | 2,000 | 2011-01-04 | Filing |
| $72.00 | 6,955 | Large Shareholder, Officer, Director | 2,000 | 2011-01-03 | Filing |
| $71.62 | 118,045 | Large Shareholder, Officer, Director | 8,955 | 2010-01-03 | Filing |
| $68.80 | 36,869 | Officer, Director | 7,200 | 2010-12-15 | Filing |
| $70.10 | 4,797 | Officer, Director | 7,200 | 2010-12-14 | Filing |
| $72.52 | 5,000 | Officer | 10,000 | 2010-12-13 | Filing |
| $72.52 | 10,000 | Officer | 10,000 | 2010-12-13 | Filing |