Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $241.03 | 1,200 | Large Shareholder, Officer, Director | 209,407 | 2011-12-16 | Filing |
| $238.66 | 1,800 | Large Shareholder, Officer, Director | 210,607 | 2011-12-16 | Filing |
| $239.50 | 2,414 | Large Shareholder, Officer, Director | 212,407 | 2011-12-15 | Filing |
| $239.50 | 2,386 | Large Shareholder, Officer, Director | 214,821 | 2011-12-14 | Filing |
| $241.72 | 200 | Large Shareholder, Officer, Director | 217,207 | 2011-12-13 | Filing |
| $189.12 | 8,000 | Director | 165 | 2011-09-22 | Filing |
| $158.06 | 6 | Large Shareholder, Officer | 200,000 | 2010-01-12 | Filing |
| $158.05 | 200 | Large Shareholder, Officer | 200,006 | 2010-01-12 | Filing |
| $158.01 | 400 | Large Shareholder, Officer | 200,206 | 2010-01-12 | Filing |
| $158.00 | 305 | Large Shareholder, Officer | 200,606 | 2010-01-12 | Filing |
| $157.71 | 6 | Large Shareholder, Officer | 200,911 | 2010-01-12 | Filing |
| $157.56 | 63 | Large Shareholder, Officer | 200,917 | 2010-01-12 | Filing |
| $157.55 | 26 | Large Shareholder, Officer | 200,980 | 2010-01-12 | Filing |
| $163.50 | 20 | Large Shareholder, Officer | 201,006 | 2010-01-11 | Filing |
| $163.20 | 100 | Large Shareholder, Officer | 201,026 | 2010-01-11 | Filing |
| $163.00 | 633 | Large Shareholder, Officer | 201,126 | 2010-01-11 | Filing |
| $162.81 | 16 | Large Shareholder, Officer | 201,759 | 2010-01-11 | Filing |
| $162.78 | 100 | Large Shareholder, Officer | 201,775 | 2010-01-11 | Filing |
| $162.76 | 180 | Large Shareholder, Officer | 201,875 | 2010-01-11 | Filing |
| $162.75 | 67 | Large Shareholder, Officer | 202,055 | 2010-01-11 | Filing |