CUSIP: 67958010 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2015 | 318,603 | $24,628 | — | — |
| Q4 2014 | 286,157 | $22,217 | — | — |
| Q3 2014 | 140,825 | $9,948 | — | — |
| Q2 2014 | 263,814 | $16,800 | — | — |
| Q1 2014 | 23,859 | $1,354 | — | — |
| Q4 2013 | 52,104 | $2,763 | — | — |