CUSIP: 676220106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2012 | 211,500 | $730 | — | — |
| Q4 2011 | 235,300 | $506 | — | — |
| Q3 2011 | 161,000 | $332 | — | — |
| Q2 2011 | 202,670 | $855 | — | — |
| Q1 2011 | 202,670 | $938 | — | — |
| Q4 2010 | 202,700 | $1,094 | — | — |