| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| 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 |
| Large Shareholder, Officer, Director | $39.40 | 75,785 | $2,985,929.00 | 555,124 | 2015-06-09 | Filing |
| Large Shareholder, Officer, Director | $39.38 | 24,215 | $953,627.87 | 5,131,108 | 2015-06-08 | Filing |
| Director | $39.55 | 11,000 | $435,026.90 | 64,437 | 2015-06-03 | Filing |
| Large Shareholder, Officer, Director | $40.54 | 200,000 | $8,108,000.00 | 200,000 | 2015-03-09 | Filing |
| Large Shareholder, Officer, Director | $39.12 | 5,000 | $195,600.00 | 191,805 | 2014-12-03 | Filing |
| Large Shareholder, Officer, Director | $33.76 | 400,000 | $13,504,000.00 | 479,339 | 2014-09-12 | Filing |
| Large Shareholder, Officer, Director | $34.63 | 10,000 | $346,345.00 | 79,339 | 2014-08-05 | Filing |
| Large Shareholder, Officer, Director | $33.70 | 5,000 | $168,500.00 | 69,339 | 2014-06-12 | Filing |
| Large Shareholder, Officer, Director | $34.15 | 5,000 | $170,750.00 | 64,339 | 2014-06-10 | Filing |
| Large Shareholder, Officer, Director | $34.05 | 600 | $20,430.00 | 59,339 | 2014-06-03 | Filing |
| Large Shareholder, Officer, Director | $34.16 | 739 | $25,244.24 | 58,739 | 2014-06-02 | Filing |
| Large Shareholder, Officer, Director | $33.95 | 5,000 | $169,750.00 | 58,000 | 2014-05-20 | Filing |
| Large Shareholder, Officer, Director | $33.72 | 5,000 | $168,579.50 | 39,061 | 2014-05-15 | Filing |
| Large Shareholder, Officer, Director | $32.00 | 2,500 | $80,000.00 | 53,000 | 2013-11-20 | Filing |
| Large Shareholder, Officer, Director | $32.39 | 2,500 | $80,985.25 | 50,500 | 2013-11-18 | Filing |