| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder | $37.64 | 145,154 | $5,463,436.89 | 2,446,818 | 2015-10-05 | Filing |
| Director | $36.53 | 1 | $35.29 | 20,200 | 2015-09-28 | Filing |
| Director | $36.50 | 10,973 | $400,514.50 | 20,201 | 2015-09-25 | Filing |
| Officer | $37.99 | 34,632 | $1,315,669.68 | 33,162 | 2015-09-21 | Filing |
| Officer | $38.52 | 40,000 | $1,540,800.00 | 104,959 | 2015-09-16 | Filing |
| Officer | $35.94 | 800 | $28,752.00 | 16,745 | 2015-08-28 | Filing |
| Large Shareholder | $36.69 | 11,250 | $412,762.50 | 1,732,500 | 2015-04-17 | Filing |
| Director | $37.92 | 11,250 | $426,600.00 | 23,098 | 2015-04-08 | Filing |
| Director | $38.15 | 11,250 | $429,187.50 | 106,569 | 2015-04-06 | Filing |
| Large Shareholder | $34.34 | 1,000,000 | $34,340,000.00 | 42,539,704 | 2014-09-16 | Filing |
| Large Shareholder | $38.38 | 13,667 | $524,580.46 | 22,143,966 | 2015-02-24 | Filing |
| Large Shareholder | $39.02 | 41,000 | $1,599,684.70 | 22,157,633 | 2015-02-23 | Filing |
| Large Shareholder | $38.38 | 3,667 | $140,750.46 | 17,508,401 | 2015-02-24 | Filing |
| Large Shareholder | $39.02 | 11,000 | $429,183.70 | 17,512,068 | 2015-02-23 | Filing |
| Large Shareholder | $38.38 | 2,666 | $102,329.08 | 2,650,939 | 2015-02-24 | Filing |
| Large Shareholder | $39.02 | 8,000 | $312,133.60 | 2,653,605 | 2015-02-23 | Filing |
| Large Shareholder | $39.23 | 99,090 | $3,887,340.34 | 22,198,633 | 2015-02-20 | Filing |
| Large Shareholder | $39.26 | 61,500 | $2,414,207.10 | 22,297,723 | 2015-02-19 | Filing |
| Large Shareholder | $39.23 | 26,580 | $1,042,744.03 | 17,523,068 | 2015-02-20 | Filing |
| Large Shareholder | $39.26 | 16,500 | $647,714.10 | 17,549,648 | 2015-02-19 | Filing |