Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2022 | 4,437 | $0 | $68.37 | $63.90 - $71.73 |
| Q1 2022 | 71,618 | $5,515 | $81.17 | $76.40 - $89.05 |
| Q4 2021 | 73,320 | $6,014 | $83.82 | $78.33 - $89.50 |
| Q3 2021 | 75,840 | $6,225 | $89.68 | $79.78 - $103.69 |
| Q2 2021 | 75,465 | $7,671 | $103.08 | $97.03 - $107.89 |
| Q1 2021 | 75,625 | $7,719 | $98.38 | $86.66 - $117.87 |
| Q4 2019 | 81,776 | $7,228 | $87.02 | $80.39 - $92.37 |
| Q3 2019 | 82,256 | $7,328 | $90.44 | $82.38 - $97.82 |
| Q2 2019 | 83,991 | $7,836 | $101.82 | $89.24 - $112.50 |
| Q1 2019 | 81,015 | $8,794 | $116.40 | $99.24 - $133.12 |
| Q4 2018 | 82,855 | $9,687 | $125.24 | $109.50 - $133.95 |
| Q3 2018 | 85,313 | $11,061 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 85,278 | $10,574 | $107.98 | $92.00 - $136.65 |
| Q1 2018 | 76,883 | $7,208 | $99.25 | $88.80 - $108.45 |
| Q4 2017 | 85,685 | $8,521 | $109.11 | $95.50 - $121.40 |
| Q3 2017 | 82,164 | $8,746 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 87,079 | $9,622 | $105.57 | $98.05 - $112.45 |
| Q1 2017 | 87,079 | $8,899 | $103.21 | $91.75 - $112.00 |
| Q4 2016 | 88,239 | $9,389 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 89,734 | $7,878 | $90.73 | $85.13 - $96.25 |
| Q2 2016 | 94,404 | $8,907 | $87.97 | $81.96 - $94.35 |
| Q1 2016 | 102,260 | $8,563 | $80.09 | $72.30 - $88.00 |
| Q4 2015 | 109,643 | $9,085 | $86.71 | $78.13 - $94.18 |
| Q3 2015 | 110,566 | $9,325 | $81.19 | $74.57 - $88.00 |
| Q2 2015 | 111,221 | $8,933 | $68.50 | $61.65 - $80.34 |
| Q1 2015 | 111,465 | $7,066 | $61.65 | $56.04 - $67.90 |
| Q4 2014 | 109,819 | $6,374 | $59.42 | $54.07 - $63.69 |
| Q3 2014 | 107,874 | $6,549 | $66.40 | $60.68 - $75.50 |
| Q2 2014 | 108,699 | $7,918 | $71.81 | $67.09 - $77.75 |
| Q1 2014 | 109,674 | $8,560 | $78.13 | $73.04 - $84.00 |
| Q4 2013 | 109,069 | $8,780 | $73.58 | $67.32 - $81.00 |