| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $48.85 | 1,000 | $48,850.00 | 10,934 | 2013-05-16 | Filing |
| Director | $49.33 | 1,250 | $61,662.50 | 9,684 | 2013-05-20 | Filing |
| Officer | $41.15 | 30,000 | $1,234,500.00 | 116,309 | 2013-03-06 | Filing |
| Officer | $40.00 | 10,000 | $400,000.00 | 99,944 | 2012-12-18 | Filing |
| Officer | $38.00 | 10,000 | $380,000.00 | 99,944 | 2012-11-30 | Filing |
| Large Shareholder | $32.80 | 245,000 | $8,035,044.50 | 5,336,526 | 2012-03-13 | Filing |
| Large Shareholder | $32.43 | 150,000 | $4,864,260.00 | 5,581,526 | 2012-03-12 | Filing |
| Large Shareholder | $33.17 | 370,422 | $12,285,564.22 | 5,731,526 | 2012-03-09 | Filing |
| Large Shareholder | $32.53 | 329,670 | $10,723,802.46 | 6,101,948 | 2012-03-08 | Filing |
| Large Shareholder | $32.33 | 381,968 | $12,347,115.60 | 6,431,618 | 2012-03-07 | Filing |
| Large Shareholder | $31.23 | 50,000 | $1,561,680.00 | 6,813,586 | 2012-03-06 | Filing |
| Large Shareholder | $32.18 | 59,000 | $1,898,808.80 | 6,863,586 | 2012-03-05 | Filing |
| Large Shareholder | $33.75 | 17,200 | $580,534.40 | 6,922,586 | 2012-03-02 | Filing |
| Large Shareholder | $34.11 | 459,000 | $15,657,316.20 | 6,939,786 | 2012-03-01 | Filing |
| Large Shareholder | $34.51 | 17,000 | $586,590.10 | 7,398,786 | 2012-02-29 | Filing |
| Officer, Director | $35.65 | 100,000 | $3,565,000.00 | 598,299 | 2012-02-28 | Filing |
| Officer | $36.00 | 4,127 | $148,572.00 | 61,000 | 2012-02-07 | Filing |
| Director | $36.00 | 20,000 | $720,000.00 | 6,666 | 2012-02-07 | Filing |
| Large Shareholder | $27.84 | 1,150,000 | $32,016,000.00 | 7,415,786 | 2011-12-05 | Filing |
| Officer, Director | $36.00 | 25,000 | $900,000.00 | 48,887 | 2011-11-16 | Filing |