| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer | $87.89 | 433 | $38,054.38 | 277,408 | 2013-04-30 | Filing |
| Officer | $87.41 | 4,400 | $384,607.08 | 277,841 | 2013-04-30 | Filing |
| Officer, Director | $88.80 | 5,500 | $488,389.00 | 2,791,988 | 2013-04-29 | Filing |
| Officer, Director | $88.43 | 12,800 | $1,131,924.48 | 2,797,488 | 2013-04-29 | Filing |
| Officer, Director | $87.03 | 1,700 | $147,953.04 | 2,810,288 | 2013-04-29 | Filing |
| Officer | $85.00 | 500 | $42,502.00 | 32,619 | 2013-04-26 | Filing |
| Director | $80.05 | 42,384 | $3,392,996.02 | 328,279 | 2013-04-24 | Filing |
| Director | $80.00 | 4,916 | $393,280.00 | 370,663 | 2013-04-23 | Filing |
| Officer, Director | $78.81 | 20,000 | $1,576,262.00 | 2,791,988 | 2013-04-22 | Filing |
| Officer, Director | $79.21 | 700 | $55,449.03 | 2,791,988 | 2013-04-15 | Filing |
| Officer, Director | $78.67 | 10,700 | $841,761.51 | 2,792,688 | 2013-04-15 | Filing |
| Officer, Director | $77.47 | 8,600 | $666,278.98 | 2,803,388 | 2013-04-15 | Filing |
| Officer | $77.57 | 1,000 | $77,565.00 | 60,783 | 2013-04-09 | Filing |
| Officer, Director | $77.82 | 1,400 | $108,948.00 | 2,791,988 | 2013-04-08 | Filing |
| Officer, Director | $77.48 | 18,600 | $1,441,096.38 | 2,793,388 | 2013-04-08 | Filing |
| Officer | $77.85 | 1,500 | $116,770.95 | 44,577 | 2013-04-08 | Filing |
| Officer | $77.46 | 17,500 | $1,355,553.50 | 46,077 | 2013-04-08 | Filing |
| Officer, Director | $79.87 | 2,700 | $215,660.61 | 2,791,988 | 2013-04-01 | Filing |
| Officer, Director | $78.73 | 17,300 | $1,362,015.16 | 2,794,688 | 2013-04-01 | Filing |
| Director | $80.00 | 1,401 | $112,080.00 | 375,579 | 2013-04-02 | Filing |