Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2020 | 17,277 | $77 | $9.28 | $2.59 - $13.00 |
| Q4 2019 | 17,277 | $212 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 17,277 | $221 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 16,877 | $278 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 15,677 | $271 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 14,777 | $243 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 14,777 | $312 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 14,777 | $349 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 14,377 | $343 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 14,677 | $385 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 14,677 | $417 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 15,077 | $375 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 16,677 | $434 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 16,677 | $536 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 16,677 | $410 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 16,677 | $382 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 16,677 | $361 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 16,677 | $372 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 16,716 | $323 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 16,677 | $381 | $23.06 | $19.10 - $25.82 |
| Q1 2015 | 16,677 | $321 | $19.65 | $17.69 - $23.12 |
| Q4 2014 | 16,677 | $384 | $23.39 | $20.44 - $26.73 |
| Q3 2014 | 16,677 | $401 | $28.91 | $23.00 - $33.65 |
| Q2 2014 | 17,077 | $565 | $30.73 | $28.13 - $34.48 |
| Q1 2014 | 18,302 | $552 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 18,802 | $518 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 19,202 | $515 | $25.86 | $23.52 - $27.95 |
| Q2 2013 | 19,577 | $460 | $21.33 | $18.17 - $23.75 |