Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2018 | 16,890 | $33 | $2.29 | $1.82 - $2.68 |
| Q4 2017 | 16,890 | $42 | $4.14 | $2.45 - $5.84 |
| Q3 2017 | 190,524 | $1,018 | $5.49 | $4.41 - $6.65 |
| Q2 2017 | 465,620 | $2,952 | $7.03 | $5.43 - $8.61 |
| Q1 2017 | 904,676 | $7,400 | $8.27 | $7.65 - $9.32 |
| Q4 2016 | 908,223 | $7,629 | $8.89 | $7.51 - $10.07 |
| Q3 2016 | 1,180,042 | $11,838 | $11.62 | $9.77 - $14.30 |
| Q2 2016 | 1,224,015 | $17,002 | $14.56 | $13.04 - $16.05 |
| Q1 2016 | 971,548 | $13,689 | $13.31 | $9.86 - $15.45 |
| Q4 2015 | 878,057 | $13,697 | $15.16 | $13.64 - $16.88 |
| Q2 2015 | 59,520 | $847 | $12.81 | $11.11 - $14.88 |
| Q1 2015 | 62,575 | $745 | $10.57 | $9.08 - $11.98 |
| Q4 2014 | 111,365 | $1,121 | $8.58 | $6.89 - $10.34 |
| Q3 2014 | 109,590 | $871 | $8.73 | $7.89 - $9.44 |
| Q2 2014 | 109,590 | $1,044 | $8.56 | $7.84 - $9.85 |