| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $29.52 | 26,230 | $774,404.03 | 1,873,086 | 2017-12-12 | Filing |
| Director | $29.84 | 33,352 | $995,307.06 | 1,899,316 | 2017-12-11 | Filing |
| Director | $31.54 | 3,101 | $97,816.08 | 1,932,668 | 2017-12-04 | Filing |
| Director | $31.54 | 3,101 | $97,816.08 | 1,932,668 | 2017-12-04 | Filing |
| Officer, Director | $20.25 | 255,718 | $5,178,289.50 | 1,398,245 | 2016-09-15 | Filing |
| Large Shareholder, Director | $39.02 | 462,336 | $18,040,350.72 | 1,396,767 | 2015-11-10 | Filing |
| Director | $36.57 | 10,000 | $365,700.00 | 235,529 | 2015-11-19 | Filing |
| Director | $37.91 | 5,000 | $189,550.00 | 245,529 | 2015-11-18 | Filing |
| Director | $37.79 | 25,000 | $944,750.00 | 250,529 | 2015-11-17 | Filing |
| Large Shareholder, Director | $39.02 | 7,861,014 | $306,736,766.28 | 23,748,947 | 2015-11-10 | Filing |
| Large Shareholder, Director | $39.02 | 1,156,015 | $45,107,705.30 | 3,492,443 | 2015-11-10 | Filing |
| Large Shareholder, Director | $39.02 | 458,864 | $17,904,873.28 | 1,386,275 | 2015-11-10 | Filing |
| Large Shareholder, Director | $39.02 | 61,771 | $2,410,304.42 | 186,617 | 2015-11-10 | Filing |
| Large Shareholder, Director | $39.02 | 426,336 | $16,635,630.72 | 1,396,767 | 2015-11-10 | Filing |
| Officer | $36.97 | 20,000 | $739,400.00 | 89,384 | 2015-10-01 | Filing |
| Officer, Director | $37.67 | 1,530 | $57,635.10 | 89,384 | 2015-07-20 | Filing |
| Officer, Director | $37.67 | 18,470 | $695,764.90 | 89,384 | 2015-07-20 | Filing |
| Director | $31.41 | 23,000 | $722,430.00 | 37,266 | 2015-04-29 | Filing |
| Large Shareholder, Director | $31.60 | 826,075 | $26,103,970.00 | 31,609,961 | 2015-04-29 | Filing |
| Large Shareholder, Director | $31.60 | 121,480 | $3,838,768.00 | 4,648,458 | 2015-04-29 | Filing |