| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer, Director | $2.77 | 17,000 | $47,090.00 | 1,535,053 | 2019-09-11 | Filing |
| Officer, Director | $2.90 | 19,000 | $55,100.00 | 1,552,053 | 2019-09-10 | Filing |
| Officer, Director | $2.43 | 3,000 | $7,290.00 | 1,571,053 | 2019-06-12 | Filing |
| Officer, Director | $2.70 | 3,000 | $8,100.00 | 1,574,053 | 2019-06-10 | Filing |
| Large Shareholder, Director | $6.19 | 13,040 | $80,717.60 | 5,179,176 | 2018-06-13 | Filing |
| Large Shareholder, Director | $6.28 | 3,040 | $19,091.20 | 5,192,216 | 2018-06-13 | Filing |
| Large Shareholder, Director | $6.22 | 4,510 | $28,052.20 | 5,195,956 | 2018-06-11 | Filing |
| Officer, Director | $6.41 | 4,890 | $31,344.90 | 993,614 | 2018-06-11 | Filing |
| Large Shareholder, Director | $5.41 | 11,500 | $62,215.00 | 5,200,466 | 2018-05-22 | Filing |
| Large Shareholder, Director | $6.08 | 12,000 | $72,960.00 | 5,211,966 | 2018-05-21 | Filing |
| Officer | $5.66 | 10,000 | $56,600.00 | 998,504 | 2018-05-22 | Filing |
| Large Shareholder, Director | $7.80 | 500 | $3,900.00 | 6,737,559 | 2017-12-21 | Filing |
| Large Shareholder, Director | $7.58 | 109 | $826.22 | 6,738,059 | 2017-12-20 | Filing |
| Large Shareholder, Director | $8.03 | 856 | $6,873.68 | 6,738,168 | 2017-12-18 | Filing |
| Large Shareholder, Director | $8.22 | 14,100 | $115,902.00 | 6,739,024 | 2017-12-14 | Filing |
| Large Shareholder, Director | $8.90 | 1,109 | $9,870.10 | 6,753,124 | 2017-12-14 | Filing |
| Officer, Director | $8.59 | 2,000 | $17,180.00 | 497,262 | 2017-12-13 | Filing |
| Large Shareholder, Director | $12.02 | 5,000 | $60,100.00 | 6,757,968 | 2016-02-04 | Filing |
| Large Shareholder, Director | $12.09 | 3,000 | $36,270.00 | 6,762,968 | 2016-02-03 | Filing |
| Officer | $11.33 | 5,000 | $56,650.00 | 261,515 | 2016-01-08 | Filing |