| Insider | Price | Amount | Total Value | Remaining Holdings | Date | Form 4 |
| Officer | $4.48 | 4,600 | $20,608.00 | 286,954 | 2017-05-01 | Filing |
| Officer | $3.19 | 15,564 | $49,649.16 | 73,125 | 2017-03-13 | Filing |
| Officer | $3.12 | 17,983 | $56,106.96 | 92,251 | 2016-08-24 | Filing |
| Director | $4.63 | 50,000 | $231,510.00 | 5,000 | 2014-09-04 | Filing |
| Officer | $5.35 | 891 | $4,766.94 | 52,538 | 2014-05-16 | Filing |
| Officer | $6.90 | 877 | $6,051.30 | 54,100 | 2014-02-21 | Filing |
| Officer | $8.62 | 3,901 | $33,609.46 | 55,663 | 2013-11-18 | Filing |
| Officer | $9.45 | 10,478 | $99,031.77 | 113,256 | 2013-10-02 | Filing |
| Officer | $9.42 | 15,000 | $141,319.50 | 113,256 | 2013-10-01 | Filing |
| Officer | $9.44 | 14,133 | $133,446.61 | 113,256 | 2013-10-01 | Filing |
| Officer | $9.40 | 17,312 | $162,732.80 | 0 | 2013-08-09 | Filing |
| Officer | $9.40 | 20,188 | $189,767.20 | 0 | 2013-08-08 | Filing |
| Large Shareholder, Officer, Director | $15.00 | 64 | $960.00 | 3,674,410 | 2011-06-06 | Filing |
| Large Shareholder, Officer, Director | $15.00 | 36 | $540.00 | 2,046,034 | 2011-06-06 | Filing |
| Large Shareholder, Officer, Director | $15.00 | 1,088 | $16,320.00 | 3,674,474 | 2011-05-25 | Filing |
| Large Shareholder, Officer, Director | $15.00 | 105 | $1,575.00 | 3,675,562 | 2011-05-24 | Filing |
| Large Shareholder, Officer, Director | $15.00 | 612 | $9,180.00 | 2,046,070 | 2011-05-25 | Filing |
| Large Shareholder, Officer, Director | $15.00 | 59 | $885.00 | 2,046,682 | 2011-05-24 | Filing |
| Large Shareholder, Officer, Director | $17.72 | 9,962 | $176,484.80 | 3,675,667 | 2011-05-10 | Filing |
| Large Shareholder, Officer, Director | $17.82 | 9,961 | $177,520.96 | 3,685,629 | 2011-05-09 | Filing |