| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $29.09 | 8,300 | $241,447.00 | 3,336,592 | 2011-05-26 | Filing |
| Large Shareholder, Officer, Director | $29.03 | 8,300 | $240,949.00 | 3,344,892 | 2011-05-25 | Filing |
| Large Shareholder, Officer, Director | $29.91 | 100 | $2,991.00 | 3,353,192 | 2011-05-11 | Filing |
| Large Shareholder, Officer, Director | $29.32 | 8,200 | $240,424.00 | 3,353,292 | 2011-05-11 | Filing |
| Large Shareholder, Officer, Director | $29.78 | 8,300 | $247,174.00 | 3,361,492 | 2011-05-10 | Filing |
| Large Shareholder, Officer, Director | $28.61 | 8,300 | $237,463.00 | 3,369,792 | 2011-04-29 | Filing |
| Large Shareholder, Officer, Director | $28.43 | 8,300 | $235,969.00 | 3,378,092 | 2011-04-28 | Filing |
| Large Shareholder, Officer, Director | $28.76 | 8,300 | $238,708.00 | 3,386,392 | 2011-04-14 | Filing |
| Large Shareholder, Officer, Director | $28.60 | 8,300 | $237,380.00 | 3,394,692 | 2011-04-13 | Filing |
| Large Shareholder, Officer, Director | $34.26 | 8,300 | $284,358.00 | 3,402,992 | 2011-03-29 | Filing |
| Large Shareholder, Officer, Director | $34.76 | 8,300 | $288,508.00 | 3,411,292 | 2011-03-28 | Filing |
| Director | $34.23 | 7,843 | $268,465.89 | 26,816 | 2011-03-24 | Filing |
| Officer | $33.00 | 2,000 | $66,000.00 | 10,898 | 2011-03-15 | Filing |
| Large Shareholder, Officer, Director | $33.56 | 1,138 | $38,191.28 | 3,419,592 | 2011-03-16 | Filing |
| Large Shareholder, Officer, Director | $32.82 | 7,162 | $235,056.84 | 3,420,730 | 2011-03-16 | Filing |
| Large Shareholder, Officer, Director | $33.92 | 1,500 | $50,880.00 | 3,427,892 | 2011-03-15 | Filing |
| Large Shareholder, Officer, Director | $33.44 | 6,800 | $227,392.00 | 3,429,392 | 2011-03-15 | Filing |
| Officer | $33.63 | 17,189 | $578,066.07 | 1,000 | 2011-03-11 | Filing |
| Officer | $24.96 | 800 | $19,968.00 | 12,898 | 2010-12-15 | Filing |
| Officer | $26.29 | 18,000 | $473,220.00 | 1,000 | 2010-12-10 | Filing |