Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2025 | 12,447 | $106 | $87.38 | $77.63 - $100.17 |
| Q1 2025 | 14,824 | $86 | $95.29 | $85.21 - $103.93 |
| Q4 2024 | 45,407 | $348 | $80.38 | $69.80 - $99.07 |
| Q3 2019 | 5,324 | $474 | $90.44 | $82.38 - $97.82 |
| Q2 2019 | 3,101 | $289 | $101.82 | $89.24 - $112.50 |
| Q1 2019 | 10,795 | $1,172 | $116.40 | $99.24 - $133.12 |
| Q4 2018 | 15,295 | $1,788 | $125.24 | $109.50 - $133.95 |
| Q3 2018 | 16,199 | $2,100 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 7,561 | $938 | $107.98 | $92.00 - $136.65 |
| Q3 2017 | 2,556 | $272 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 3,684 | $407 | $105.57 | $98.05 - $112.45 |
| Q1 2017 | 11,567 | $1,182 | $103.21 | $91.75 - $112.00 |
| Q4 2016 | 12,482 | $1,328 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 23,409 | $2,055 | $90.73 | $85.13 - $96.25 |
| Q2 2016 | 25,143 | $2,372 | $87.97 | $81.96 - $94.35 |
| Q1 2016 | 4,312 | $361 | $80.09 | $72.30 - $88.00 |
| Q4 2015 | 3,317 | $275 | $86.71 | $78.13 - $94.18 |
| Q3 2015 | 6,861 | $578 | $81.19 | $74.57 - $88.00 |
| Q2 2015 | 4,041 | $325 | $68.50 | $61.65 - $80.34 |
| Q4 2013 | 10,557 | $850 | $73.58 | $67.32 - $81.00 |
| Q2 2013 | 23,028 | $1,659 | $76.01 | $70.25 - $80.50 |