| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Large Shareholder, Officer, Director | $2.57 | 36,182 | $92,987.74 | 25,171,359 | 2019-03-06 | Filing |
| Officer, Director | $2.56 | 2,435 | $6,233.60 | 5,719,147 | 2019-03-06 | Filing |
| Officer, Director | $2.56 | 5,565 | $14,218.58 | 5,716,712 | 2019-03-06 | Filing |
| Large Shareholder, Officer, Director | $2.48 | 189,300 | $469,464.00 | 25,135,177 | 2019-02-28 | Filing |
| Large Shareholder, Officer, Director | $2.48 | 10,700 | $26,482.50 | 24,945,877 | 2019-02-28 | Filing |
| Officer, Director | $4.35 | 30,000 | $130,500.00 | 4,727,404 | 2012-07-30 | Filing |
| Officer, Director | $4.30 | 20,000 | $86,000.00 | 4,697,404 | 2012-07-27 | Filing |
| Officer, Director | $7.96 | 10,000 | $79,600.00 | 24,465,147 | 2014-01-31 | Filing |
| Officer, Director | $6.93 | 10,000 | $69,300.00 | 4,677,404 | 2017-05-11 | Filing |
| Officer, Director | $6.92 | 10,000 | $69,200.00 | 4,667,404 | 2017-05-11 | Filing |
| Officer, Director | $6.99 | 10,000 | $69,900.00 | 4,657,404 | 2017-05-10 | Filing |
| Officer, Director | $6.98 | 5,665 | $39,541.70 | 4,647,404 | 2017-05-10 | Filing |
| Officer, Director | $6.97 | 11,735 | $81,792.95 | 4,641,739 | 2017-05-10 | Filing |
| Officer, Director | $6.95 | 2,600 | $18,070.00 | 4,630,004 | 2017-05-10 | Filing |
| Officer, Director | $6.94 | 10,000 | $69,400.00 | 4,627,404 | 2017-05-10 | Filing |
| Large Shareholder, Officer, Director | $3.71 | 3,100 | $11,501.00 | 24,935,177 | 2019-01-17 | Filing |
| Large Shareholder, Officer, Director | $3.71 | 200 | $741.00 | 24,932,077 | 2019-01-17 | Filing |
| Large Shareholder, Officer, Director | $3.68 | 2,100 | $7,717.50 | 24,931,877 | 2019-01-17 | Filing |
| Large Shareholder, Officer, Director | $3.66 | 7,900 | $28,874.50 | 24,929,777 | 2019-01-17 | Filing |
| Large Shareholder, Officer, Director | $3.65 | 1,700 | $6,196.50 | 24,921,877 | 2019-01-17 | Filing |