| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer | $36.73 | 15,000 | $550,917.00 | 38,231 | 2011-12-21 | Filing |
| Officer, Director | $36.30 | 50,000 | $1,815,080.00 | 2,101,516 | 2011-12-06 | Filing |
| Officer, Director | $36.21 | 25,000 | $905,132.50 | 225,546 | 2011-11-11 | Filing |
| Officer, Director | $35.79 | 50,000 | $1,789,675.00 | 1,418,500 | 2011-11-04 | Filing |
| Officer, Director | $35.86 | 50,000 | $1,792,770.00 | 2,730,651 | 2011-11-04 | Filing |
| Officer | $36.09 | 20,010 | $722,114.88 | 38,231 | 2011-10-31 | Filing |
| Director | $36.61 | 3,039 | $111,253.54 | 10,511 | 2011-10-27 | Filing |
| Officer | $36.24 | 52,500 | $1,902,374.25 | 168,244 | 2011-10-27 | Filing |
| Officer, Director | $36.51 | 25,000 | $912,732.50 | 211,786 | 2011-10-28 | Filing |
| Officer, Director | $36.25 | 75,000 | $2,719,005.00 | 211,786 | 2011-10-27 | Filing |
| Officer, Director | $36.33 | 175,000 | $6,357,050.00 | 2,169,424 | 2011-10-27 | Filing |
| Officer, Director | $33.31 | 6,737 | $224,429.01 | 2,263,424 | 2011-09-01 | Filing |
| Officer, Director | $33.34 | 32,189 | $1,073,293.92 | 2,270,161 | 2011-08-31 | Filing |
| Director | $34.48 | 4,500 | $155,169.00 | 13,515 | 2011-06-07 | Filing |
| Director | $34.93 | 1,397 | $48,797.77 | 6,656 | 2011-06-03 | Filing |
| Officer, Director | $35.39 | 41,617 | $1,472,634.19 | 2,748,383 | 2011-06-01 | Filing |
| Director | $35.02 | 2,253 | $78,906.37 | 8,053 | 2011-06-01 | Filing |
| Officer, Director | $34.66 | 10,000 | $346,550.00 | 211,747 | 2011-05-23 | Filing |
| Officer, Director | $35.14 | 12,500 | $439,205.00 | 211,747 | 2011-05-20 | Filing |
| Officer, Director | $35.39 | 40,883 | $1,446,914.78 | 2,748,383 | 2011-05-20 | Filing |