CUSIP: 831756101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2013 | 46,600 | $394 | — | — |
| Q4 2012 | 36,700 | $310 | — | — |
| Q2 2012 | 126,700 | $1,052 | — | — |
| Q1 2012 | 142,100 | $1,101 | — | — |
| Q3 2011 | 18,500 | $47 | — | — |
| Q2 2011 | 18,500 | $56 | — | — |
| Q1 2011 | 18,500 | $66 | — | — |