| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer, Director | $56.50 | 10,400 | $587,600.00 | 1,115,393 | 2011-08-23 | Filing |
| Officer, Director | $76.67 | 84,780 | $6,500,082.60 | 1,000,189 | 2011-07-25 | Filing |
| Officer, Director | $76.16 | 15,220 | $1,159,155.20 | 1,084,969 | 2011-07-25 | Filing |
| Officer, Director | $65.68 | 82,955 | $5,448,484.40 | 1,000,189 | 2011-06-23 | Filing |
| Officer, Director | $66.20 | 17,045 | $1,128,379.00 | 1,083,144 | 2011-06-23 | Filing |
| Officer | $75.08 | 78,932 | $5,926,214.56 | 16,114 | 2011-05-26 | Filing |
| Officer, Director | $73.95 | 77,432 | $5,726,096.40 | 999,941 | 2011-05-23 | Filing |
| Officer, Director | $74.86 | 22,568 | $1,689,440.48 | 1,077,373 | 2011-05-23 | Filing |
| Officer | $75.64 | 39,818 | $3,011,833.52 | 38,127 | 2011-05-19 | Filing |
| Officer | $74.93 | 18,010 | $1,349,489.30 | 141,944 | 2011-05-19 | Filing |
| Director | $73.00 | 2,500 | $182,500.00 | 8,184 | 2011-05-05 | Filing |
| Officer, Director | $69.02 | 100,000 | $6,902,000.00 | 999,941 | 2011-04-25 | Filing |
| Director | $60.00 | 2,500 | $150,000.00 | 8,184 | 2011-04-01 | Filing |
| Officer, Director | $53.86 | 80,020 | $4,309,877.20 | 999,941 | 2011-03-23 | Filing |
| Officer, Director | $54.49 | 19,980 | $1,088,710.20 | 1,079,961 | 2011-03-23 | Filing |
| Officer | $54.36 | 2,118 | $115,134.48 | 44,819 | 2011-03-23 | Filing |
| Officer | $54.37 | 200 | $10,874.00 | 46,937 | 2011-03-23 | Filing |
| Officer | $55.00 | 8,617 | $473,935.00 | 12,137 | 2011-03-22 | Filing |
| Officer, Director | $55.10 | 56,500 | $3,113,150.00 | 999,941 | 2011-02-23 | Filing |
| Officer, Director | $56.09 | 43,500 | $2,439,915.00 | 1,056,441 | 2011-02-23 | Filing |