| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer | $35.24 | 12,500 | $440,451.25 | 38,231 | 2011-05-19 | Filing |
| Officer, Director | $35.14 | 93,661 | $3,291,594.09 | 2,301,608 | 2011-05-18 | Filing |
| Officer, Director | $35.24 | 6,339 | $223,395.87 | 2,395,269 | 2011-05-16 | Filing |
| Officer, Director | $34.70 | 25,000 | $867,537.50 | 194,939 | 2011-03-22 | Filing |
| Officer, Director | $34.69 | 75,000 | $2,602,020.00 | 2,407,875 | 2011-03-21 | Filing |
| Officer, Director | $34.33 | 7,500 | $257,457.00 | 211,747 | 2011-02-25 | Filing |
| Officer, Director | $34.11 | 15,000 | $511,689.00 | 211,747 | 2011-02-22 | Filing |
| Officer, Director | $34.15 | 75,000 | $2,561,122.50 | 2,371,974 | 2011-02-15 | Filing |
| Officer, Director | $34.11 | 25,000 | $852,630.00 | 2,446,974 | 2011-02-14 | Filing |
| Officer | $34.04 | 15,000 | $510,633.00 | 28,856 | 2011-02-11 | Filing |
| Officer, Director | $34.10 | 100,000 | $3,409,920.00 | 2,617,921 | 2011-02-11 | Filing |
| Officer, Director | $34.15 | 75,000 | $2,561,122.50 | 2,371,974 | 2011-02-15 | Filing |
| Officer, Director | $34.11 | 25,000 | $852,630.00 | 2,446,974 | 2011-02-14 | Filing |
| Officer, Director | $32.47 | 50,000 | $1,623,575.00 | 219,939 | 2010-12-30 | Filing |
| Officer, Director | $32.48 | 25,000 | $812,037.50 | 200,028 | 2010-12-29 | Filing |
| Officer | $32.42 | 10,000 | $324,178.00 | 28,856 | 2010-12-22 | Filing |
| Officer, Director | $31.61 | 50,000 | $1,580,375.00 | 250,546 | 2010-11-05 | Filing |
| Officer, Director | $31.45 | 50,000 | $1,572,675.00 | 2,132,589 | 2010-11-08 | Filing |
| Officer, Director | $31.68 | 75,000 | $2,376,127.50 | 2,182,589 | 2010-11-05 | Filing |
| Officer, Director | $31.52 | 75,000 | $2,364,052.50 | 2,257,589 | 2010-11-04 | Filing |