CUSIP: 858912108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2013 | 5,508 | $640 | — | — |
| Q3 2013 | 13,343 | $1,540 | — | — |
| Q2 2013 | 28,623 | $3,161 | — | — |
| Q1 2013 | 31,436 | $3,338 | — | — |
| Q4 2012 | 33,721 | $3,145 | — | — |