Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 9,385 | $316 | $29.70 | $25.36 - $34.47 |
| Q3 2025 | 9,385 | $263 | $25.41 | $22.48 - $28.73 |
| Q2 2025 | 9,385 | $242 | $22.21 | $16.55 - $27.54 |
| Q1 2025 | 9,385 | $206 | $25.04 | $20.01 - $29.42 |
| Q4 2024 | 9,385 | $252 | $23.22 | $18.21 - $28.20 |
| Q1 2021 | 10,690 | $101 | $9.42 | $7.92 - $10.65 |
| Q4 2020 | 10,690 | $101 | $9.94 | $8.27 - $12.10 |
| Q4 2019 | 20,407 | $255 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 167,063 | $2,141 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 199,247 | $3,288 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 109,203 | $1,891 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 116,443 | $1,915 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 120,785 | $2,549 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 103,981 | $2,454 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 103,176 | $2,461 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 159,780 | $4,187 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 184,727 | $5,247 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 139,851 | $3,476 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 131,681 | $3,431 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 193,515 | $6,222 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 263,616 | $6,483 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 275,861 | $6,318 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 350,949 | $7,592 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 178,447 | $3,980 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 23,400 | $452 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 18,900 | $432 | $23.06 | $19.10 - $25.82 |
| Q1 2015 | 18,670 | $359 | $19.65 | $17.69 - $23.12 |
| Q3 2013 | 627 | $17 | $25.86 | $23.52 - $27.95 |
| Q2 2013 | 30,070 | $707 | $21.33 | $18.17 - $23.75 |