Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 9,078 | $305 | $29.70 | $25.36 - $34.47 |
| Q3 2025 | 3,100 | $87 | $25.41 | $22.48 - $28.73 |
| Q2 2025 | 1,500 | $39 | $22.21 | $16.55 - $27.54 |
| Q1 2025 | 5,300 | $116 | $25.04 | $20.01 - $29.42 |
| Q4 2024 | 5,300 | $142 | $23.22 | $18.21 - $28.20 |
| Q3 2024 | 5,300 | $101 | $19.78 | $16.52 - $22.59 |
| Q2 2024 | 5,300 | $107 | $21.72 | $17.81 - $24.97 |
| Q4 2020 | 115,857 | $1,098 | $9.94 | $8.27 - $12.10 |
| Q3 2020 | 163,121 | $1,378 | $7.49 | $6.05 - $10.02 |
| Q1 2020 | 13,400 | $60 | $9.28 | $2.59 - $13.00 |
| Q4 2019 | 13,400 | $164 | $11.66 | $10.44 - $12.91 |
| Q3 2019 | 13,400 | $172 | $13.56 | $10.11 - $16.51 |
| Q2 2019 | 13,400 | $221 | $16.22 | $14.71 - $18.54 |
| Q1 2019 | 13,400 | $232 | $17.65 | $15.90 - $19.02 |
| Q4 2018 | 13,400 | $220 | $18.94 | $15.26 - $20.99 |
| Q3 2018 | 13,400 | $283 | $21.85 | $20.28 - $24.24 |
| Q2 2018 | 13,400 | $316 | $23.87 | $21.47 - $26.42 |
| Q1 2018 | 13,400 | $320 | $26.44 | $22.81 - $29.04 |
| Q4 2017 | 13,400 | $351 | $26.38 | $23.89 - $29.04 |
| Q3 2017 | 13,400 | $381 | $24.49 | $22.26 - $29.24 |
| Q2 2017 | 13,400 | $333 | $26.24 | $22.26 - $28.69 |
| Q1 2017 | 13,401 | $349 | $27.74 | $23.30 - $33.05 |
| Q4 2016 | 13,400 | $431 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 13,400 | $330 | $24.06 | $21.50 - $26.46 |
| Q2 2016 | 13,400 | $307 | $22.14 | $19.61 - $25.27 |
| Q1 2016 | 13,400 | $290 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 13,400 | $299 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 13,400 | $259 | $20.31 | $18.37 - $22.64 |
| Q2 2015 | 13,532 | $309 | $23.06 | $19.10 - $25.82 |