CUSIP: 670735109 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 56,534 | $1,394 | — | — |
| Q3 2017 | 53,534 | $1,361 | — | — |
| Q2 2017 | 53,534 | $1,373 | — | — |
| Q1 2017 | 58,635 | $1,452 | — | — |
| Q4 2016 | 113,236 | $2,724 | — | — |
| Q3 2016 | 195,118 | $4,704 | — | — |
| Q2 2016 | 224,069 | $5,175 | — | — |
| Q1 2016 | 314,089 | $7,061 | — | — |
| Q4 2015 | 175,602 | $3,993 | — | — |