| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer, Director | $51.31 | 32,384 | $1,661,623.04 | 102,016 | 2011-06-06 | Filing |
| Officer, Director | $54.70 | 81,250 | $4,444,586.25 | 91,133 | 2011-05-16 | Filing |
| Officer | $53.06 | 12,254 | $650,197.24 | 10,421 | 2011-05-06 | Filing |
| Officer | $53.15 | 12,000 | $637,800.00 | 56,626 | 2011-05-03 | Filing |
| Officer | $53.05 | 125 | $6,631.25 | 5,000 | 2011-05-03 | Filing |
| Officer | $48.14 | 20,000 | $962,800.00 | 10,421 | 2011-02-28 | Filing |
| Officer | $49.46 | 1,341 | $66,325.86 | 5,124 | 2011-02-18 | Filing |
| Officer | $48.96 | 2,100 | $102,816.00 | 20,220 | 2011-02-17 | Filing |
| Officer, Director | $49.90 | 1,300 | $64,871.04 | 77,140 | 2010-12-15 | Filing |
| Officer, Director | $49.38 | 24,188 | $1,194,386.51 | 78,440 | 2010-12-15 | Filing |
| Officer, Director | $48.60 | 4,512 | $219,263.35 | 102,628 | 2010-12-15 | Filing |
| Officer, Director | $43.35 | 300 | $13,005.00 | 77,140 | 2010-11-16 | Filing |
| Officer, Director | $42.69 | 29,700 | $1,267,866.27 | 77,440 | 2010-11-16 | Filing |
| Officer, Director | $42.00 | 30,000 | $1,260,000.00 | 77,093 | 2010-09-15 | Filing |
| Officer, Director | $41.49 | 500 | $20,745.00 | 77,093 | 2010-08-17 | Filing |
| Officer, Director | $41.20 | 29,500 | $1,215,400.00 | 77,593 | 2010-08-17 | Filing |
| Officer, Director | $45.11 | 6,700 | $302,237.00 | 77,093 | 2010-06-15 | Filing |
| Officer, Director | $44.58 | 23,300 | $1,038,714.00 | 83,793 | 2010-06-15 | Filing |
| Officer, Director | $45.60 | 3,700 | $168,720.00 | 114,234 | 2010-05-17 | Filing |
| Officer, Director | $44.85 | 8,400 | $376,740.00 | 117,934 | 2010-05-17 | Filing |