CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 45,824 | $1,525 | — | — |
| Q2 2017 | 46,861 | $1,346 | — | — |
| Q1 2017 | 188,333 | $1,382 | — | — |
| Q4 2016 | 182,038 | $1,589,192 | — | — |
| Q3 2016 | 184,563 | $1,870 | — | — |
| Q2 2016 | 190,148 | $1,805 | — | — |
| Q1 2016 | 198,128 | $2,211 | — | — |
| Q4 2015 | 200,830 | $2,135 | — | — |
| Q3 2015 | 212,340 | $2,066 | — | — |
| Q2 2015 | 207,225 | $2,205 | — | — |
| Q1 2015 | 237,410 | $3,051 | — | — |
| Q4 2014 | 242,097 | $3,355 | — | — |
| Q3 2014 | 238,222 | $3,152 | — | — |
| Q2 2014 | 240,042 | $2,986 | — | — |
| Q1 2014 | 261,182 | $2,951 | — | — |
| Q4 2013 | 260,457 | $3,170 | — | — |
| Q3 2013 | 283,745 | $2,920 | — | — |
| Q2 2013 | 288,940 | $2,621 | — | — |