CUSIP: 858912108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 26,400 | $3,535 | — | — |
| Q1 2015 | 26,800 | $3,764 | — | — |
| Q4 2014 | 28,300 | $3,710 | — | — |
| Q3 2014 | 26,200 | $3,054 | — | — |
| Q2 2014 | 31,800 | $3,766 | — | — |
| Q1 2014 | 34,000 | $3,863 | — | — |
| Q4 2013 | 53,800 | $6,250 | — | — |
| Q3 2013 | 56,300 | $6,497 | — | — |
| Q2 2013 | 65,300 | $7,211 | — | — |