CUSIP: 858912108 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 73,500 | $10,322 | — | — |
| Q4 2014 | 50,000 | $6,554 | — | — |
| Q3 2014 | 47,000 | $5,478 | — | — |
| Q2 2014 | 41,500 | $4,914 | — | — |
| Q1 2014 | 31,000 | $3,522 | — | — |