CUSIP: 67622P101 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2013 | 838,265 | $10,721 | — | — |
| Q2 2013 | 838,265 | $8,575 | — | — |
| Q1 2013 | 751,984 | $8,731 | — | — |
| Q3 2012 | 617,031 | $4,819 | — | — |
| Q2 2012 | 617,031 | $2,770 | — | — |