| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder | $103.99 | 24,208 | $2,517,464.96 | 114,374,875 | 2016-11-04 | Filing |
| Large Shareholder | $104.08 | 24,208 | $2,519,607.37 | 114,399,083 | 2016-11-03 | Filing |
| Large Shareholder | $104.68 | 24,208 | $2,534,209.64 | 114,423,291 | 2016-11-02 | Filing |
| Large Shareholder | $106.15 | 24,208 | $2,569,700.99 | 114,447,499 | 2016-11-01 | Filing |
| Officer | $104.81 | 6,000 | $628,873.80 | 47,501 | 2016-11-02 | Filing |
| Officer | $108.74 | 200 | $21,748.20 | 29,717 | 2016-10-31 | Filing |
| Officer | $107.76 | 2,200 | $237,071.78 | 29,917 | 2016-10-31 | Filing |
| Officer | $107.14 | 13,360 | $1,431,434.49 | 32,117 | 2016-10-31 | Filing |
| Large Shareholder | $107.20 | 24,208 | $2,595,078.23 | 114,471,707 | 2016-10-31 | Filing |
| Large Shareholder | $106.87 | 24,208 | $2,587,041.18 | 114,495,915 | 2016-10-28 | Filing |
| Large Shareholder | $103.80 | 24,208 | $2,512,909.02 | 114,520,123 | 2016-10-27 | Filing |
| Officer | $102.99 | 2,514 | $258,913.09 | 5,687 | 2016-10-26 | Filing |
| Large Shareholder | $103.04 | 24,208 | $2,494,414.11 | 114,544,331 | 2016-10-26 | Filing |
| Large Shareholder | $102.83 | 24,208 | $2,489,366.74 | 114,568,539 | 2016-10-25 | Filing |
| Large Shareholder | $103.22 | 24,208 | $2,498,781.23 | 114,592,747 | 2016-10-24 | Filing |
| Director | $101.78 | 5,000 | $508,909.00 | 52,423 | 2016-10-04 | Filing |
| Officer | $101.79 | 14,000 | $1,425,081.00 | 32,091 | 2016-10-04 | Filing |
| Officer | $101.79 | 12,630 | $1,285,554.65 | 46,091 | 2016-10-04 | Filing |
| Large Shareholder | $96.51 | 28,016 | $2,703,905.41 | 114,616,955 | 2016-08-11 | Filing |
| Large Shareholder | $96.55 | 28,000 | $2,703,346.80 | 114,644,971 | 2016-08-10 | Filing |