CUSIP: 859152100 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2012 | 17,400 | $604 | — | — |
| Q3 2012 | 13,900 | $493 | — | — |
| Q4 2011 | 6,100 | $182 | — | — |
| Q3 2011 | 5,100 | $149 | — | — |
| Q2 2011 | 4,200 | $147 | — | — |
| Q1 2011 | 9,300 | $321 | — | — |
| Q4 2010 | 9,300 | $339 | — | — |