| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $23.72 | 20,000 | $474,400.00 | 0 | 2018-03-08 | Filing |
| Officer | $32.05 | 7,600 | $243,580.00 | 35,014 | 2016-03-18 | Filing |
| Officer | $32.50 | 400 | $13,000.00 | 36,583 | 2016-03-10 | Filing |
| Officer | $21.79 | 1,800 | $39,213.00 | 36,983 | 2015-09-21 | Filing |
| Officer | $43.03 | 1,100 | $47,333.00 | 24,114 | 2014-06-23 | Filing |
| Officer | $43.03 | 900 | $38,727.90 | 25,214 | 2014-06-23 | Filing |
| Officer | $38.51 | 7,195 | $277,079.45 | 26,114 | 2014-06-02 | Filing |
| Officer, Director | $36.92 | 47,800 | $1,764,776.00 | 807,856 | 2014-05-15 | Filing |
| Officer, Director | $37.72 | 2,200 | $82,984.00 | 855,656 | 2014-05-15 | Filing |
| Officer, Director | $36.33 | 39,000 | $1,416,870.00 | 857,856 | 2014-04-28 | Filing |
| Officer, Director | $36.95 | 11,000 | $406,450.00 | 896,856 | 2014-04-28 | Filing |
| Officer, Director | $38.59 | 50,000 | $1,929,500.00 | 907,856 | 2014-03-28 | Filing |
| Officer | $39.38 | 3,748 | $147,596.24 | 33,786 | 2014-03-25 | Filing |
| Officer | $39.70 | 5,681 | $225,535.70 | 33,786 | 2014-03-21 | Filing |
| Officer | $39.38 | 2,775 | $109,279.50 | 33,786 | 2014-03-18 | Filing |
| Director | $41.43 | 2,500 | $103,575.00 | 27,422 | 2014-03-04 | Filing |
| Officer, Director | $39.25 | 48,700 | $1,911,475.00 | 957,728 | 2014-02-28 | Filing |
| Officer, Director | $39.76 | 1,300 | $51,688.00 | 1,006,428 | 2014-02-28 | Filing |
| Officer, Director | $49.30 | 16,907 | $833,515.10 | 1,007,728 | 2013-07-30 | Filing |
| Officer, Director | $49.75 | 3,526 | $175,418.50 | 1,024,635 | 2013-07-30 | Filing |