CUSIP: 858912108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 3,969 | $270 | — | — |
| Q3 2017 | 3,969 | $284 | — | — |
| Q2 2017 | 19,619 | $1,497 | — | — |
| Q1 2017 | 28,460 | $2,359 | — | — |
| Q4 2016 | 20,670 | $1,592 | — | — |