Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $1.54 | 25,000 | Director | 308,708 | 2017-05-24 | Filing |
| $1.52 | 20,000 | Director | 283,708 | 2017-05-23 | Filing |
| $1.27 | 8,500 | Officer | 38,345 | 2017-05-22 | Filing |
| $1.53 | 353,280 | Large Shareholder, Officer, Director | 2,468,826 | 2017-05-24 | Filing |
| $1.48 | 546,720 | Large Shareholder, Officer, Director | 2,115,546 | 2017-05-23 | Filing |
| $1.27 | 8,500 | Officer | 27,084 | 2017-05-22 | Filing |
| $1.54 | 25,000 | Director | 299,108 | 2017-05-24 | Filing |
| $1.52 | 20,000 | Director | 274,108 | 2017-05-23 | Filing |
| $1.51 | 50,000 | Director | 135,351 | 2017-05-23 | Filing |
| $5.10 | 8,300 | Officer, Director | 150,000 | 2016-11-22 | Filing |
| $5.10 | 30,000 | Officer, Director | 141,700 | 2016-11-21 | Filing |
| $6.40 | 10,000 | Director | 10,000 | 2016-01-15 | Filing |
| $6.30 | 18,000 | Large Shareholder, Officer, Director | 674,799 | 2016-01-15 | Filing |
| $6.48 | 45,000 | Large Shareholder, Officer, Director | 656,799 | 2016-01-14 | Filing |
| $6.49 | 60,000 | Large Shareholder, Officer, Director | 611,799 | 2016-01-13 | Filing |
| $6.34 | 50,000 | Large Shareholder, Officer, Director | 551,799 | 2016-01-12 | Filing |
| $6.96 | 17,500 | Large Shareholder, Officer, Director | 501,799 | 2015-12-16 | Filing |
| $7.19 | 10,000 | Director | 201,335 | 2015-11-24 | Filing |
| $5.96 | 2,500 | Officer, Director | 984,549 | 2011-09-22 | Filing |
| $6.06 | 21,186 | Officer, Director | 982,049 | 2010-07-01 | Filing |