| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 | 
|---|---|---|---|---|---|---|
| $3.91 | 28,372 | $110,914.66 | 513,849 | 2018-11-30 | Filing | |
| $3.98 | 25,211 | $100,354.91 | 513,849 | 2018-11-29 | Filing | |
| $3.89 | 36,417 | $141,687.62 | 513,849 | 2018-11-28 | Filing | |
| $4.18 | 2,500 | $10,450.00 | 65,845 | 2018-05-11 | Filing | |
| $5.93 | 20,000 | $118,570.00 | 466,570 | 2017-11-21 | Filing | |
| $5.98 | 8,333 | $49,869.67 | 486,570 | 2017-11-21 | Filing | |
| $5.98 | 16,666 | $99,739.34 | 494,903 | 2017-11-21 | Filing | |
| $5.77 | 30,000 | $173,097.00 | 466,570 | 2017-11-20 | Filing | |
| $4.61 | 11,000 | $50,757.30 | 91,709 | 2017-08-29 | Filing | |
| $5.49 | 6,000 | $32,940.00 | 44,139 | 2017-05-10 | Filing | |
| $3.76 | 60,000 | $225,510.00 | 410,636 | 2017-02-09 | Filing | |
| $1.70 | 2,650 | $4,505.00 | 50,139 | 2016-05-17 | Filing | |
| $2.00 | 15,000 | $30,012.00 | 77,717 | 2016-05-03 | Filing | |
| $6.46 | 12,000 | $77,535.60 | 408,970 | 2014-08-20 | Filing | |
| $7.60 | 12,000 | $91,156.80 | 328,761 | 2014-07-08 | Filing | |
| $7.51 | 12,000 | $90,171.60 | 340,761 | 2014-06-11 | Filing | |
| $6.24 | 20,556 | $128,322.89 | 360,649 | 2014-05-30 | Filing | |
| $6.49 | 25,000 | $162,355.00 | 59,000 | 2014-05-27 | Filing | |
| $6.27 | 12,000 | $75,260.40 | 381,205 | 2014-05-21 | Filing | |
| $5.52 | 8,000 | $44,148.00 | 39,490 | 2014-05-13 | Filing |