| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $43.99 | 2,430 | $106,895.70 | 192,912 | 2017-02-24 | Filing |
| Large Shareholder, Officer, Director | $43.90 | 7,977 | $350,190.30 | 190,482 | 2017-02-23 | Filing |
| Large Shareholder, Officer, Director | $43.90 | 2,674 | $117,388.60 | 182,505 | 2017-02-22 | Filing |
| Large Shareholder, Officer, Director | $43.79 | 1,572 | $68,837.88 | 179,831 | 2017-02-21 | Filing |
| Large Shareholder, Officer, Director | $39.98 | 1,506 | $60,203.40 | 4,946,022 | 2016-12-06 | Filing |
| Large Shareholder, Officer, Director | $39.22 | 10,000 | $392,208.00 | 358,548 | 2016-11-10 | Filing |
| Large Shareholder, Officer, Director | $39.62 | 50,000 | $1,980,820.00 | 348,548 | 2016-11-09 | Filing |
| Director | $39.46 | 24,000 | $947,056.80 | 99,533 | 2016-11-07 | Filing |
| Large Shareholder, Officer, Director | $42.75 | 15,000 | $641,250.00 | 624,572 | 2016-09-12 | Filing |
| Large Shareholder, Officer, Director | $43.15 | 15,000 | $647,250.00 | 609,572 | 2016-09-09 | Filing |
| Large Shareholder, Officer, Director | $43.15 | 33,000 | $1,423,950.00 | 298,548 | 2016-09-09 | Filing |
| Large Shareholder, Officer, Director | $43.15 | 2,000 | $86,300.00 | 70,175 | 2016-09-09 | Filing |
| Director | $39.76 | 7,000 | $278,307.40 | 73,855 | 2016-05-26 | Filing |
| Large Shareholder, Officer, Director | $37.67 | 5,500 | $207,189.95 | 594,572 | 2016-03-04 | Filing |
| Large Shareholder, Officer, Director | $37.66 | 17,500 | $658,974.75 | 589,072 | 2016-03-03 | Filing |
| Large Shareholder, Officer, Director | $37.69 | 16,448 | $619,928.41 | 571,572 | 2016-03-02 | Filing |
| Large Shareholder, Officer, Director | $38.07 | 18,000 | $685,242.00 | 265,548 | 2015-12-14 | Filing |
| Large Shareholder, Officer, Director | $38.91 | 30,000 | $1,167,201.00 | 247,548 | 2015-12-07 | Filing |
| Large Shareholder, Officer, Director | $39.43 | 20,692 | $815,784.17 | 217,548 | 2015-11-13 | Filing |
| Large Shareholder, Officer, Director | $39.50 | 5,051 | $199,514.50 | 196,856 | 2015-11-12 | Filing |