Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2024 | 3,385 | $254 | $78.76 | $72.07 - $86.08 |
| Q2 2021 | 2,215 | $225 | $103.08 | $97.03 - $107.89 |
| Q1 2021 | 2,215 | $226 | $98.38 | $86.66 - $117.87 |
| Q4 2020 | 2,290 | $203 | $85.92 | $79.49 - $94.30 |
| Q4 2019 | 2,558 | $226 | $87.02 | $80.39 - $92.37 |
| Q1 2019 | 6,546 | $711 | $116.40 | $99.24 - $133.12 |
| Q4 2018 | 6,809 | $796 | $125.24 | $109.50 - $133.95 |
| Q3 2018 | 6,783 | $879 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 11,796 | $1,463 | $107.98 | $92.00 - $136.65 |
| Q1 2018 | 12,075 | $1,132 | $99.25 | $88.80 - $108.45 |
| Q4 2017 | 9,530 | $948 | $109.11 | $95.50 - $121.40 |
| Q3 2017 | 10,120 | $1,077 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 8,569 | $947 | $105.57 | $98.05 - $112.45 |
| Q1 2017 | 2,786 | $285 | $103.21 | $91.75 - $112.00 |
| Q4 2016 | 2,786 | $296 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 2,786 | $245 | $90.73 | $85.13 - $96.25 |
| Q2 2016 | 2,786 | $263 | $87.97 | $81.96 - $94.35 |
| Q1 2016 | 2,786 | $233 | $80.09 | $72.30 - $88.00 |
| Q4 2015 | 2,786 | $231 | $86.71 | $78.13 - $94.18 |
| Q3 2015 | 2,786 | $235 | $81.19 | $74.57 - $88.00 |
| Q2 2015 | 3,760 | $302 | $68.50 | $61.65 - $80.34 |
| Q1 2015 | 3,760 | $238 | $61.65 | $56.04 - $67.90 |
| Q4 2014 | 3,760 | $218 | $59.42 | $54.07 - $63.69 |
| Q3 2014 | 3,760 | $228 | $66.40 | $60.68 - $75.50 |
| Q2 2014 | 3,760 | $274 | $71.81 | $67.09 - $77.75 |
| Q1 2014 | 3,760 | $293 | $78.13 | $73.04 - $84.00 |
| Q4 2013 | 3,760 | $303 | $73.58 | $67.32 - $81.00 |
| Q3 2013 | 3,760 | $265 | $72.80 | $68.50 - $77.50 |
| Q2 2013 | 3,760 | $271 | $76.01 | $70.25 - $80.50 |