Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 1,194,918 | $2,939 | $4.14 | $2.45 - $5.84 |
| Q2 2016 | 53,705 | $746 | $14.56 | $13.04 - $16.05 |
| Q1 2016 | 87,401 | $1,231 | $13.31 | $9.86 - $15.45 |
| Q4 2015 | 94,816 | $1,474 | $15.16 | $13.64 - $16.88 |
| Q3 2015 | 20,449 | $311 | $14.89 | $12.21 - $17.31 |