| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $90.41 | 31,700 | $2,865,949.45 | 93,300 | 2011-04-04 | Filing |
| Large Shareholder, Officer, Director | $90.25 | 50,000 | $4,512,500.00 | 125,000 | 2011-04-01 | Filing |
| Large Shareholder, Officer, Director | $89.09 | 25,000 | $2,227,217.50 | 175,000 | 2011-04-01 | Filing |
| Officer, Director | $75.84 | 21,667 | $1,643,142.95 | 17,616 | 2011-03-21 | Filing |
| Officer, Director | $76.18 | 20,000 | $1,523,608.00 | 17,616 | 2011-03-21 | Filing |
| Officer, Director | $75.60 | 41,666 | $3,150,049.60 | 17,616 | 2011-03-21 | Filing |
| Officer, Director | $75.73 | 40,000 | $3,029,148.00 | 17,616 | 2011-03-21 | Filing |
| Officer, Director | $76.42 | 53,750 | $4,107,564.25 | 17,616 | 2011-03-21 | Filing |
| Large Shareholder, Officer, Director | $38.37 | 3,700 | $141,969.00 | 48,200 | 2010-08-13 | Filing |
| Large Shareholder, Officer, Director | $38.11 | 2,700 | $102,897.00 | 51,900 | 2010-08-12 | Filing |
| Large Shareholder, Officer, Director | $74.12 | 12,500 | $926,500.00 | 2,000 | 2011-02-04 | Filing |
| Large Shareholder, Officer, Director | $74.00 | 12,500 | $925,000.00 | 14,500 | 2011-02-03 | Filing |
| Officer | $75.13 | 1,749 | $131,402.37 | 10,000 | 2011-02-04 | Filing |
| Officer | $75.13 | 73,251 | $5,503,347.63 | 10,000 | 2011-02-04 | Filing |
| Large Shareholder, Officer, Director | $72.50 | 25,000 | $1,812,500.00 | 27,000 | 2011-02-01 | Filing |
| Large Shareholder, Officer, Director | $73.27 | 50,000 | $3,663,500.00 | 52,000 | 2011-02-01 | Filing |
| Large Shareholder, Officer, Director | $73.19 | 1,200 | $87,828.00 | 2,000 | 2011-01-12 | Filing |
| Large Shareholder, Officer, Director | $72.37 | 98,800 | $7,150,156.00 | 2,000 | 2011-01-12 | Filing |
| Large Shareholder, Officer, Director | $68.49 | 35,600 | $2,438,244.00 | 2,000 | 2011-01-05 | Filing |
| Large Shareholder, Officer, Director | $71.15 | 39,400 | $2,803,310.00 | 2,000 | 2011-01-04 | Filing |