| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| ZTR | Director | Nov 20, 2015 | Sale | $12.10 | 500 | 6,050 | 6 | Nov 23, 2015, 09:09 AM |
| ZF | Director | Nov 20, 2015 | Sale | $13.55 | 500 | 6,777 | 8 | Nov 23, 2015, 09:09 AM |
| ZTR | Director | Aug 22, 2013 | Buy | $12.85 | 500 | 6,425 | 500 | Aug 22, 2013, 04:11 PM |
| ZF | Director | Aug 22, 2013 | Buy | $13.25 | 500 | 6,625 | 500 | Aug 22, 2013, 04:10 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| ZTR | Director | Nov 20, 2015 | Sale | 6,050 |
| ZF | Director | Nov 20, 2015 | Sale | 6,777 |
| ZTR | Director | Aug 22, 2013 | Buy | 6,425 |
| ZF | Director | Aug 22, 2013 | Buy | 6,625 |