CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 75,042 | $550 | — | — |
| Q4 2016 | 67,124 | $585 | — | — |
| Q3 2016 | 69,079 | $699 | — | — |
| Q2 2016 | 69,283 | $657 | — | — |
| Q1 2016 | 69,420 | $774 | — | — |
| Q4 2015 | 74,612 | $793 | — | — |
| Q3 2015 | 80,612 | $784 | — | — |
| Q2 2015 | 79,571 | $846 | — | — |
| Q1 2015 | 84,197 | $1,081 | — | — |
| Q4 2014 | 91,023 | $1,261 | — | — |
| Q3 2014 | 99,849 | $1,321 | — | — |
| Q2 2014 | 111,617 | $1,388 | — | — |
| Q1 2014 | 120,109 | $1,357 | — | — |
| Q4 2013 | 131,157 | $1,596 | — | — |
| Q3 2013 | 144,474 | $1,486 | — | — |
| Q2 2013 | 145,688 | $1,321 | — | — |