CUSIP: 86768K106 Class: COMMON STOCK
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2007 | 77,070 | $2,367 | — | — |
| Q3 2007 | 59,950 | $2,120 | — | — |
| Q2 2007 | 74,870 | $2,994 | — | — |
| Q1 2007 | 74,870 | $2,958 | — | — |
| Q4 2006 | 77,070 | $2,367 | — | — |