Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2017 | 56,329 | $301 | $5.49 | $4.41 - $6.65 |
| Q2 2017 | 56,786 | $360 | $7.03 | $5.43 - $8.61 |
| Q1 2017 | 58,327 | $477 | $8.27 | $7.65 - $9.32 |
| Q4 2016 | 57,858 | $486 | $8.89 | $7.51 - $10.07 |
| Q3 2016 | 57,858 | $585 | $11.62 | $9.77 - $14.30 |
| Q2 2016 | 57,858 | $804 | $14.56 | $13.04 - $16.05 |
| Q1 2016 | 58,258 | $832 | $13.31 | $9.86 - $15.45 |
| Q4 2015 | 118,256 | $1,838 | $15.16 | $13.64 - $16.88 |
| Q3 2015 | 118,014 | $1,794 | $14.89 | $12.21 - $17.31 |
| Q2 2015 | 120,744 | $1,718 | $12.81 | $11.11 - $14.88 |
| Q1 2015 | 127,035 | $1,513 | $10.57 | $9.08 - $11.98 |
| Q4 2014 | 67,949 | $684 | $8.58 | $6.89 - $10.34 |
| Q3 2014 | 69,480 | $552 | $8.73 | $7.89 - $9.44 |
| Q2 2014 | 69,254 | $660 | $8.56 | $7.84 - $9.85 |
| Q1 2014 | 58,680 | $577 | $10.10 | $9.07 - $12.34 |
| Q4 2013 | 58,477 | $567 | $8.27 | $7.43 - $9.72 |
| Q3 2013 | 53,232 | $439 | $8.35 | $7.23 - $10.24 |
| Q2 2013 | 48,407 | $366 | $8.57 | $6.85 - $11.30 |