| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| 08/17/18 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 32,687 | -- | 124,713 |
| 08/14/18 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 67,228 | -- | 118,366 |
| 02/06/18 |
Vice President of Operations
|
Vice President of Operations | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 33,614 | -- | 52,522 |
| 09/01/17 |
Vice President of Operations
|
Vice President of Operations | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | 18,908 |
| 08/22/21 |
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 | 6,628 | $5.23 | 367,146 |
| 08/17/21 |
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 | 2,653 | $5.42 | 373,774 |
| 08/16/21 |
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 | 7,959 | $5.53 | 376,427 |
| 08/22/20 |
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 | 6,628 | $5.84 | 282,605 |
| 06/03/21 |
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 | 6,939 | $6.25 | 275,666 |
| 08/17/20 |
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 | 2,652 | $6.38 | 289,233 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.