| Symbol | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
| ZF | SVP & Portfolio Manager | Apr 15, 2015 | Buy | $15.34 | 775 | 11,889 | 60,390 | Apr 16, 2015, 11:16 AM |
| ZTR | SVP & Portfolio Manager | Apr 14, 2015 | Buy | $13.69 | 7,000 | 95,830 | 65,868 | Apr 15, 2015, 02:22 PM |
| ZTR | SVP & Portfolio Manager | Oct 28, 2014 | Buy | $13.72 | 2,260 | 31,007 | 58,868 | Oct 29, 2014, 10:04 AM |
| ZF | SVP & Portfolio Manager | Oct 28, 2014 | Buy | $14.88 | 218 | 3,244 | 59,615 | Oct 29, 2014, 10:04 AM |
| ZF | SVP & Portfolio Manager | Oct 17, 2014 | Buy | $14.17 | 11,000 | 155,826 | 59,397 | Oct 20, 2014, 10:57 AM |
| ZTR | SVP & Portfolio Manager | Oct 17, 2014 | Buy | $13.19 | 5,000 | 65,950 | 56,608 | Oct 20, 2014, 10:57 AM |
| ZF | SVP & Portfolio Manager | May 06, 2013 | Buy | $13.04 | 7,000 | 91,280 | 48,397 | May 07, 2013, 11:44 AM |
| ZTR | SVP & Portfolio Manager | Apr 29, 2013 | Buy | $12.97 | 5,000 | 64,850 | 51,608 | Apr 30, 2013, 01:52 PM |
| ZF | SVP & Portfolio Manager | Apr 29, 2013 | Buy | $12.72 | 2,047 | 26,038 | 41,397 | Apr 30, 2013, 01:50 PM |
| ZTR | SVP & Portfolio Manager | Apr 12, 2013 | Buy | $12.96 | 5,000 | 64,800 | 46,608 | Apr 15, 2013, 11:57 AM |
| ZF | SVP & Portfolio Manager | Apr 12, 2013 | Buy | $12.85 | 5,000 | 64,250 | 39,350 | Apr 15, 2013, 11:57 AM |
| ZF | SVP & Portfolio Manager | Apr 11, 2013 | Buy | $12.88 | 200 | 2,576 | 34,350 | Apr 12, 2013, 09:44 AM |
| ZTR | SVP & Portfolio Manager | Apr 10, 2013 | Buy | $12.87 | 15,000 | 193,050 | 41,608 | Apr 11, 2013, 03:24 PM |
| ZTR | SVP & Portfolio Manager | Apr 09, 2013 | Buy | $12.87 | 3,054 | 39,305 | 26,608 | Apr 10, 2013, 10:27 AM |
| ZF | SVP & Portfolio Manager | Apr 05, 2013 | Buy | $12.80 | 100 | 1,280 | 34,150 | Apr 08, 2013, 11:44 AM |
| ZTR | SVP & Portfolio Manager | Apr 04, 2013 | Buy | $12.94 | 5,000 | 64,700 | 23,554 | Apr 05, 2013, 11:42 AM |
| ZTR | SVP & Portfolio Manager | Apr 03, 2013 | Buy | $12.99 | 10,000 | 129,900 | 18,554 | Apr 05, 2013, 09:35 AM |
| ZF | SVP & Portfolio Manager | Apr 03, 2013 | Buy | $12.90 | 25,000 | 322,500 | 34,050 | Apr 05, 2013, 09:29 AM |
| ZF | Portfolio Manager & SVP | Dec 17, 2012 | Buy | $12.00 | 6,050 | 72,601 | 15,286 | Dec 19, 2012, 12:53 PM |
| ZTR | Executive VP | Jan 14, 2011 | Option Exercise | $3.34 | 7,138 | 23,841 | 13,339 | Jan 24, 2011, 03:39 PM |
| ZTR | Executive VP | Jan 14, 2011 | Option Exercise | $3.34 | 4,999 | 16,697 | 29,334 | Jan 24, 2011, 03:39 PM |
| ZTR | Executive VP | Jan 14, 2011 | Option Exercise | $3.34 | 7,540 | 25,184 | 31,920 | Jan 19, 2011, 12:18 PM |
| ZTR | Executive VP | Jan 14, 2011 | Option Exercise | $3.34 | 5,000 | 16,700 | 29,335 | Jan 19, 2011, 12:18 PM |
| Symbol | Relationship | Date | Transaction | Value($) |
| ZF | SVP & Portfolio Manager | Apr 15, 2015 | Buy | 11,889 |
| ZTR | SVP & Portfolio Manager | Apr 14, 2015 | Buy | 95,830 |
| ZTR | SVP & Portfolio Manager | Oct 28, 2014 | Buy | 31,007 |
| ZF | SVP & Portfolio Manager | Oct 28, 2014 | Buy | 3,244 |
| ZF | SVP & Portfolio Manager | Oct 17, 2014 | Buy | 155,826 |
| ZTR | SVP & Portfolio Manager | Oct 17, 2014 | Buy | 65,950 |
| ZF | SVP & Portfolio Manager | May 06, 2013 | Buy | 91,280 |
| ZTR | SVP & Portfolio Manager | Apr 29, 2013 | Buy | 64,850 |
| ZF | SVP & Portfolio Manager | Apr 29, 2013 | Buy | 26,038 |
| ZTR | SVP & Portfolio Manager | Apr 12, 2013 | Buy | 64,800 |
| ZF | SVP & Portfolio Manager | Apr 12, 2013 | Buy | 64,250 |
| ZF | SVP & Portfolio Manager | Apr 11, 2013 | Buy | 2,576 |
| ZTR | SVP & Portfolio Manager | Apr 10, 2013 | Buy | 193,050 |
| ZTR | SVP & Portfolio Manager | Apr 09, 2013 | Buy | 39,305 |
| ZF | SVP & Portfolio Manager | Apr 05, 2013 | Buy | 1,280 |
| ZTR | SVP & Portfolio Manager | Apr 04, 2013 | Buy | 64,700 |
| ZTR | SVP & Portfolio Manager | Apr 03, 2013 | Buy | 129,900 |
| ZF | SVP & Portfolio Manager | Apr 03, 2013 | Buy | 322,500 |
| ZF | Portfolio Manager & SVP | Dec 17, 2012 | Buy | 72,601 |
| ZTR | Executive VP | Jan 14, 2011 | Option Exercise | 23,841 |
| ZTR | Executive VP | Jan 14, 2011 | Option Exercise | 16,697 |
| ZTR | Executive VP | Jan 14, 2011 | Option Exercise | 25,184 |
| ZTR | Executive VP | Jan 14, 2011 | Option Exercise | 16,700 |