Ticker: NPK CUSIP: 637215104 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2024 | 176 | $17 | $80.38 | $69.80 - $99.07 |
| Q3 2024 | 176 | $13 | $74.60 | $69.58 - $79.26 |
| Q2 2024 | 177 | $13 | $78.76 | $72.07 - $86.08 |
| Q1 2024 | 175 | $15 | $79.07 | $73.97 - $84.29 |
| Q4 2023 | 180 | $14 | $76.85 | $70.86 - $83.00 |
| Q3 2023 | 190 | $14 | $75.50 | $70.24 - $81.40 |
| Q2 2023 | 196 | $14 | $73.54 | $66.83 - $82.59 |
| Q1 2023 | 209 | $15 | $72.97 | $67.77 - $81.50 |
| Q4 2022 | 211 | $14 | $68.37 | $63.90 - $71.73 |
| Q3 2022 | 660 | $43 | $69.19 | $63.06 - $78.78 |
| Q2 2022 | 641 | $42 | $70.97 | $59.99 - $79.31 |
| Q1 2022 | 606 | $47 | $81.17 | $76.40 - $89.05 |
| Q4 2021 | 541 | $44 | $83.82 | $78.33 - $89.50 |
| Q3 2021 | 506 | $42 | $89.68 | $79.78 - $103.69 |
| Q2 2021 | 451 | $46 | $103.08 | $97.03 - $107.89 |
| Q1 2021 | 409 | $42 | $98.38 | $86.66 - $117.87 |
| Q4 2020 | 398 | $35 | $85.92 | $79.49 - $94.30 |
| Q3 2020 | 398 | $33 | $87.32 | $81.09 - $95.66 |
| Q2 2020 | 414 | $36 | $85.05 | $68.17 - $97.90 |
| Q1 2020 | 436 | $31 | $84.26 | $66.60 - $93.99 |
| Q4 2019 | 394 | $35 | $87.02 | $80.39 - $92.37 |
| Q3 2019 | 363 | $32 | $90.44 | $82.38 - $97.82 |
| Q2 2019 | 363 | $34 | $101.82 | $89.24 - $112.50 |
| Q1 2019 | 392 | $43 | $116.40 | $99.24 - $133.12 |
| Q4 2018 | 439 | $51 | $125.24 | $109.50 - $133.95 |
| Q3 2018 | 488 | $63 | $126.95 | $115.25 - $140.32 |
| Q2 2018 | 513 | $64 | $107.98 | $92.00 - $136.65 |
| Q1 2018 | 488 | $46 | $99.25 | $88.80 - $108.45 |
| Q4 2017 | 4,796 | $477 | $109.11 | $95.50 - $121.40 |
| Q3 2017 | 4,809 | $512 | $105.66 | $95.65 - $114.70 |
| Q2 2017 | 5,107 | $564 | $105.57 | $98.05 - $112.45 |
| Q1 2017 | 727 | $74 | $103.21 | $91.75 - $112.00 |
| Q4 2016 | 542 | $60 | $93.06 | $83.53 - $108.75 |
| Q3 2016 | 362 | $32 | $90.73 | $85.13 - $96.25 |
| Q2 2016 | 178 | $17 | $87.97 | $81.96 - $94.35 |
| Q1 2014 | 1,222 | $95 | $78.13 | $73.04 - $84.00 |
| Q4 2013 | 1,419 | $114 | $73.58 | $67.32 - $81.00 |
| Q3 2013 | 675 | $48 | $72.80 | $68.50 - $77.50 |