| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $33.49 | 200,000 | $6,698,280.00 | 22,589,655 | 2014-06-02 | Filing |
| Large Shareholder, Officer, Director | $32.36 | 100,000 | $3,236,180.00 | 231,987,275 | 2014-05-09 | Filing |
| Director | $31.56 | 10,000 | $315,600.00 | 20,000 | 2014-03-14 | Filing |
| Officer | $32.35 | 1,000 | $32,350.00 | 266,499 | 2014-02-24 | Filing |
| Large Shareholder, Officer, Director | $32.09 | 199,165 | $6,390,926.02 | 231,887,275 | 2014-02-24 | Filing |
| Large Shareholder, Officer, Director | $32.97 | 100,000 | $3,297,280.00 | 231,688,110 | 2014-02-20 | Filing |
| Director | $33.50 | 20,000 | $669,944.00 | 20,000 | 2014-02-06 | Filing |
| Director | $39.50 | 20,000 | $789,944.00 | 20,000 | 2014-02-06 | Filing |
| Large Shareholder, Officer, Director | $33.86 | 328,324 | $11,117,937.11 | 231,588,110 | 2013-12-18 | Filing |
| Large Shareholder, Officer, Director | $33.05 | 500,000 | $16,522,700.00 | 231,259,786 | 2013-12-17 | Filing |
| Officer | $33.21 | 985 | $32,708.90 | 2,071,304 | 2013-12-04 | Filing |
| Officer | $35.73 | 2,750 | $98,249.25 | 2,070,319 | 2013-09-09 | Filing |
| Large Shareholder, Officer, Director | $35.74 | 500,000 | $17,868,750.00 | 230,759,786 | 2013-09-09 | Filing |
| Director | $37.63 | 283,008 | $10,649,591.04 | 22,389,655 | 2013-08-09 | Filing |
| Director | $37.80 | 116,992 | $4,422,297.60 | 22,106,647 | 2013-08-08 | Filing |
| Large Shareholder, Officer, Director | $35.78 | 500,000 | $17,887,600.00 | 230,259,786 | 2013-06-24 | Filing |
| Officer | $32.14 | 1,500 | $48,212.85 | 1,232,661 | 2012-11-15 | Filing |
| Director | $34.58 | 300,000 | $10,374,660.00 | 21,989,655 | 2012-10-26 | Filing |
| Director | $34.93 | 300,000 | $10,478,700.00 | 21,689,655 | 2012-10-25 | Filing |
| Director | $31.40 | 10,000 | $314,000.00 | 10,000 | 2012-06-14 | Filing |