Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2021 | 581 | $6 | $9.89 | $8.77 - $11.52 |
| Q1 2021 | 286 | $3 | $9.42 | $7.92 - $10.65 |
| Q4 2020 | 286 | $3 | $9.94 | $8.27 - $12.10 |
| Q1 2020 | 2,344 | $10 | $9.28 | $2.59 - $13.00 |
| Q4 2019 | 2,344 | $29 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 2,344 | $30 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 2,344 | $39 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 2,344 | $41 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 2,344 | $38 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 2,344 | $49 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 2,344 | $55 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 24,008 | $572 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 24,693 | $647 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 23,014 | $654 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 23,014 | $572 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 8,533 | $222 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 8,533 | $274 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 8,533 | $210 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 5,508 | $126 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 2,344 | $51 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 6,235 | $139 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 5,620 | $109 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 5,620 | $128 | $23.06 | $19.10 - $25.82 |
| Q1 2015 | 5,620 | $108 | $19.65 | $17.69 - $23.12 |
| Q4 2014 | 7,364 | $170 | $23.39 | $20.44 - $26.73 |
| Q3 2014 | 20,613 | $496 | $28.91 | $23.00 - $33.65 |
| Q2 2014 | 41,767 | $1,381 | $30.73 | $28.13 - $34.48 |
| Q1 2014 | 44,293 | $1,335 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 47,096 | $1,298 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 46,488 | $1,247 | $25.86 | $23.52 - $27.95 |
| Q2 2013 | 37,014 | $869 | $21.33 | $18.17 - $23.75 |