| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Director | $4.28 | 12,849 | $54,993.72 | 78,649 | 2019-05-31 | Filing |
| Large Shareholder, Director | $4.28 | 7,710 | $32,998.80 | 27,710 | 2019-05-31 | Filing |
| Large Shareholder, Director | $4.28 | 4,672,896 | $19,999,994.88 | 7,801,385 | 2019-05-31 | Filing |
| Large Shareholder, Director | $4.82 | 20,700 | $99,850.59 | 2,628,489 | 2019-04-09 | Filing |
| Director | $4.82 | 667 | $3,214.07 | 65,800 | 2019-04-05 | Filing |
| Large Shareholder, Director | $4.81 | 21,000 | $100,972.20 | 2,607,789 | 2019-04-05 | Filing |
| Director | $4.73 | 500 | $2,365.00 | 2,000 | 2019-04-05 | Filing |
| Director | $4.48 | 1,000 | $4,484.10 | 65,133 | 2019-02-07 | Filing |
| Director | $4.29 | 1,500 | $6,427.50 | 1,500 | 2019-02-08 | Filing |
| Large Shareholder, Director | $4.87 | 48,500 | $236,243.50 | 2,586,789 | 2019-01-29 | Filing |
| Large Shareholder, Director | $4.77 | 3,000 | $14,315.10 | 2,538,289 | 2019-01-28 | Filing |
| Director | $4.81 | 1,000 | $4,805.00 | 64,133 | 2019-01-29 | Filing |
| Large Shareholder, Director | $4.87 | 48,500 | $236,243.50 | 2,586,789 | 2019-01-29 | Filing |
| Large Shareholder, Director | $4.77 | 3,000 | $14,315.10 | 2,538,289 | 2019-01-28 | Filing |
| Director | $6.10 | 2,000 | $12,199.80 | 41,382 | 2018-09-25 | Filing |
| Director | $7.06 | 1,000 | $7,058.40 | 51,480 | 2018-06-25 | Filing |
| Director | $4.10 | 2,000 | $8,191.00 | 16,000 | 2018-02-01 | Filing |
| Director | $4.10 | 2,000 | $8,191.00 | 16,000 | 2018-02-01 | Filing |
| Director | $1.85 | 7,000 | $12,971.70 | 55,581 | 2017-12-08 | Filing |
| Director | $1.64 | 400 | $657.32 | 28,043 | 2017-12-07 | Filing |