CUSIP: 983919101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 14,051 | $995 | — | — |
| Q2 2017 | 14,051 | $904 | — | — |
| Q1 2017 | 14,286 | $827 | — | — |
| Q4 2016 | 14,776 | $892 | — | — |
| Q3 2016 | 14,436 | $784 | — | — |
| Q1 2016 | 13,475 | $639 | — | — |
| Q4 2015 | 13,410 | $630 | — | — |
| Q3 2015 | 13,410 | $569 | — | — |
| Q2 2015 | 7,510 | $332 | — | — |
| Q1 2015 | 7,705 | $326 | — | — |
| Q4 2014 | 7,955 | $344 | — | — |
| Q3 2014 | 8,025 | $340 | — | — |
| Q2 2014 | 8,205 | $388 | — | — |
| Q1 2014 | 9,195 | $499 | — | — |
| Q4 2013 | 9,600 | $441 | — | — |
| Q3 2013 | 8,980 | $421 | — | — |