Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 173,919 | $428 | $4.14 | $2.45 - $5.84 |
| Q2 2016 | 52,227 | $725 | $14.56 | $13.04 - $16.05 |
| Q1 2016 | 86,327 | $1,216 | $13.31 | $9.86 - $15.45 |
| Q4 2015 | 87,224 | $1,324 | $15.16 | $13.64 - $16.88 |
| Q3 2015 | 88,576 | $1,360 | $14.89 | $12.21 - $17.31 |
| Q2 2015 | 88,040 | $1,294 | $12.81 | $11.11 - $14.88 |
| Q1 2015 | 109,008 | $1,299 | $10.57 | $9.08 - $11.98 |
| Q4 2014 | 110,332 | $1,111 | $8.58 | $6.89 - $10.34 |