Insider | Price | Amount | Relationship | Remaining Holdings | Date | Form 4 |
| $0.10 | 11 | Officer | 388 | 2020-12-23 | Filing |
| $0.18 | 4,697 | Director | 0 | 2020-12-14 | Filing |
| $0.18 | 2,322 | Officer | 1,332 | 2020-12-14 | Filing |
| $0.18 | 2,371 | Officer, Director | 6,313 | 2020-12-14 | Filing |
| $0.16 | 35,998 | Officer, Director | 8,684 | 2020-12-14 | Filing |
| $0.18 | 4,223 | Director | 0 | 2020-12-14 | Filing |
| $2.33 | 19,400 | Director | 108,957 | 2017-12-28 | Filing |
| $2.42 | 152,200 | Director | 128,357 | 2017-12-27 | Filing |
| $2.56 | 43,400 | Director | 280,557 | 2017-12-26 | Filing |
| $2.38 | 912 | Officer | 49,440 | 2017-10-02 | Filing |
| $7.61 | 9,150 | Officer, Director | 1,084,117 | 2016-12-12 | Filing |
| $5.66 | 1,190 | Officer, Director | 1,068,664 | 2016-09-27 | Filing |
| $7.47 | 4,505 | Officer | 15,398 | 2016-01-28 | Filing |
| $13.07 | 405 | Officer | 1,178 | 2015-10-16 | Filing |
| $13.07 | 967 | Officer | 2,891 | 2015-10-16 | Filing |
| $13.65 | 392 | Officer | 858 | 2015-03-11 | Filing |
| $11.99 | 3,950 | Officer | 29,653 | 2014-12-18 | Filing |
| $12.13 | 15,000 | Officer, Director | 6,760 | 2014-12-10 | Filing |
| $12.24 | 15,000 | Officer, Director | 21,760 | 2014-10-10 | Filing |
| $12.99 | 5,000 | Officer, Director | 31,760 | 2014-10-01 | Filing |