Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $1.37 | 15,000 | Director | 89,431 | 2015-11-03 | Filing |
| $1.27 | 14,700 | Director | 74,431 | 2015-11-02 | Filing |
| $1.11 | 15,000 | Director | 59,731 | 2015-10-30 | Filing |
| $2.04 | 20,000 | Officer | 596,812 | 2015-08-25 | Filing |
| $3.98 | 8,000 | Officer | 453,796 | 2015-03-10 | Filing |
| $4.22 | 9,500 | Director | 27,578 | 2015-03-06 | Filing |
| $4.12 | 7,800 | Director | 18,078 | 2015-03-05 | Filing |
| $4.22 | 6,000 | Director | 10,278 | 2015-03-04 | Filing |
| $4.42 | 16,600 | Officer, Director | 1,308,275 | 2015-03-04 | Filing |
| $6.18 | 5,000 | Director | 10,977 | 2014-12-05 | Filing |
| $10.80 | 2,000 | Officer | 288,213 | 2014-11-07 | Filing |
| $11.25 | 18,000 | Officer, Director | 599,587 | 2014-11-05 | Filing |
| $10.82 | 2,000 | Officer | 70,435 | 2014-11-07 | Filing |
| $11.26 | 8,000 | Officer | 351,380 | 2014-11-06 | Filing |
| $23.50 | 4,300 | Officer | 374,476 | 2014-08-29 | Filing |
| $22.24 | 430 | Officer | 430 | 2014-08-15 | Filing |