| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $8.17 | 1,250 | $10,214.75 | 0 | 2018-11-06 | Filing |
| Officer | $8.48 | 1,000 | $8,480.00 | 286,467 | 2016-11-17 | Filing |
| Large Shareholder | $11.92 | 34,422 | $410,375.64 | 4,069,324 | 2016-05-19 | Filing |
| Officer | $7.06 | 2,500 | $17,650.00 | 29,500 | 2015-12-01 | Filing |
| Large Shareholder | $41.50 | 9,000 | $373,500.00 | 51,433 | 2015-06-01 | Filing |
| Large Shareholder | $42.50 | 1,000 | $42,500.00 | 60,433 | 2015-05-28 | Filing |
| Officer | $46.73 | 2,319 | $108,366.87 | 14,425 | 2015-04-27 | Filing |
| Officer | $45.13 | 700 | $31,591.00 | 16,744 | 2015-04-24 | Filing |
| Officer | $45.00 | 1,981 | $89,145.00 | 17,444 | 2015-04-23 | Filing |
| Large Shareholder | $39.16 | 20,000 | $783,200.00 | 61,433 | 2014-08-13 | Filing |
| Large Shareholder | $42.14 | 34 | $1,432.76 | 277,329 | 2014-06-11 | Filing |
| Large Shareholder | $41.30 | 1,428 | $58,976.40 | 277,363 | 2014-06-11 | Filing |
| Large Shareholder | $40.71 | 7,797 | $317,415.87 | 278,791 | 2014-06-11 | Filing |
| Large Shareholder | $42.14 | 34 | $1,432.76 | 277,329 | 2014-06-11 | Filing |
| Large Shareholder | $41.30 | 1,428 | $58,976.40 | 277,363 | 2014-06-11 | Filing |
| Large Shareholder | $40.71 | 7,797 | $317,415.87 | 278,791 | 2014-06-11 | Filing |
| Large Shareholder, Officer, Director | $42.14 | 34 | $1,432.76 | 277,329 | 2014-06-11 | Filing |
| Large Shareholder, Officer, Director | $41.30 | 1,428 | $58,976.40 | 277,363 | 2014-06-11 | Filing |
| Large Shareholder, Officer, Director | $40.71 | 7,797 | $317,415.87 | 278,791 | 2014-06-11 | Filing |
| Large Shareholder, Officer, Director | $42.14 | 200 | $8,428.00 | 1,631,354 | 2014-06-11 | Filing |