| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| 08/31/17 |
Chief Operating Officer
|
Chief Operating Officer | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 6,745 | $6.42 | 102,703 |
| 08/31/17 |
Chief Operating Officer
|
Chief Operating Officer | Form 4 | Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | 44,469 | -- | 58,234 |
| 03/01/17 |
Chief Operating Officer
|
Chief Operating Officer | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 4,558 | $9.92 | 109,448 |
| 02/20/17 |
Chief Operating Officer
|
Chief Operating Officer | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 1,994 | $10.10 | 114,006 |
| 02/13/17 |
Chief Operating Officer
|
Chief Operating Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 37,879 | -- | 116,000 |
| 03/01/16 |
Chief Operating Officer
|
Chief Operating Officer | Form 4 | Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 | 26,522 | $0.78 | 390,903 |
| 02/09/16 |
Chief Operating Officer
|
Chief Operating Officer | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 109,375 | -- | 417,425 |
| 08/11/15 |
Chief Operating Officer
|
Chief Operating Officer | Form 4 | Open market or private purchase of non-derivative or derivative security | 10,000 | $1.98 | 308,050 |
| 03/02/15 |
Chief Operating Officer
|
Chief Operating Officer | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | 298,050 |
| 03/16/11 |
Former Chief Operating Officer
|
Former Chief Operating Officer | Form 4 | Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | 74,250 | -- | 115,750 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.