| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| ZTR | Director | Mar 10, 2020 | Buy | $9.65 | 9,425 | 90,949 | 10,435 | Mar 24, 2020, 05:09 PM |
| ZTR | Director | Mar 10, 2020 | Option Exercise | $9.65 | 9,425 | 90,949 | 10,435 | Mar 11, 2020, 04:33 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| ZTR | Director | Mar 10, 2020 | Buy | 90,949 |
| ZTR | Director | Mar 10, 2020 | Option Exercise | 90,949 |