Ticker: WLK CUSIP: 960413102 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,113,819 | $82,356 | $70.79 | $55.84 - $82.75 |
| Q3 2025 | 2,866,360 | $220,882 | $82.33 | $73.94 - $91.41 |
| Q2 2025 | 3,721,742 | $282,592 | $80.28 | $67.52 - $99.92 |
| Q1 2025 | 3,900,025 | $390,120 | $108.01 | $95.27 - $116.71 |
| Q4 2024 | 3,313,847 | $379,933 | $126.38 | $109.67 - $146.31 |
| Q3 2024 | 2,739,779 | $411,761 | $139.25 | $125.61 - $148.72 |
| Q2 2024 | 2,843,285 | $411,765 | $148.16 | $138.77 - $156.68 |
| Q1 2024 | 3,209,201 | $490,366 | $135.33 | $113.88 - $147.53 |
| Q4 2023 | 3,265,420 | $457,028 | $121.60 | $107.83 - $137.84 |
| Q3 2023 | 3,369,244 | $420,044 | $122.44 | $108.80 - $131.81 |
| Q2 2023 | 3,405,575 | $406,864 | $108.79 | $98.37 - $116.78 |
| Q1 2023 | 3,320,729 | $385,138 | $109.37 | $92.83 - $119.59 |
| Q4 2022 | 3,239,670 | $332,196 | $95.20 | $80.55 - $107.11 |
| Q3 2022 | 3,018,650 | $262,260 | $90.33 | $76.70 - $104.08 |
| Q2 2022 | 2,849,190 | $279,277 | $115.03 | $86.41 - $132.48 |
| Q1 2022 | 4,042,857 | $499,009 | $102.15 | $87.54 - $119.36 |
| Q4 2021 | 4,069,322 | $395,253 | $91.08 | $82.73 - $97.95 |
| Q3 2021 | 4,208,672 | $383,578 | $79.74 | $72.56 - $88.16 |
| Q2 2021 | 3,065,054 | $276,131 | $90.14 | $80.84 - $98.96 |
| Q1 2021 | 3,104,878 | $275,682 | $80.32 | $68.77 - $90.16 |
| Q4 2020 | 3,066,445 | $250,222 | $68.91 | $56.02 - $78.45 |
| Q3 2020 | 3,457,849 | $218,605 | $54.23 | $46.16 - $63.35 |
| Q2 2020 | 3,922,774 | $210,458 | $42.05 | $30.99 - $55.36 |
| Q1 2020 | 3,741,435 | $142,810 | $51.06 | $26.40 - $65.18 |
| Q4 2019 | 3,412,413 | $239,380 | $60.78 | $52.18 - $68.35 |
| Q3 2019 | 2,577,620 | $168,885 | $57.99 | $50.43 - $64.27 |
| Q2 2019 | 1,969,781 | $136,820 | $59.69 | $51.40 - $69.93 |
| Q1 2019 | 35,616 | $2,417 | $64.77 | $57.75 - $72.34 |
| Q4 2018 | 31,826 | $2,106 | $64.35 | $53.36 - $76.44 |
| Q3 2018 | 33,871 | $2,815 | $86.83 | $72.82 - $100.10 |
| Q2 2018 | 123,917 | $13,338 | $99.34 | $90.39 - $110.06 |
| Q1 2018 | 120,103 | $13,349 | $98.39 | $86.89 - $107.41 |
| Q4 2017 | 178,909 | $19,059 | $81.78 | $72.56 - $95.02 |
| Q3 2017 | 186,914 | $15,531 | $64.66 | $57.52 - $74.59 |
| Q2 2017 | 276,421 | $18,302 | $55.73 | $52.23 - $59.49 |
| Q1 2017 | 277,288 | $18,315 | $55.38 | $49.25 - $59.68 |
| Q4 2016 | 322,332 | $18,046 | $47.64 | $42.61 - $53.78 |
| Q3 2016 | 288,963 | $15,459 | $41.92 | $34.93 - $47.03 |
| Q2 2016 | 18,978 | $815 | $39.55 | $34.26 - $45.64 |
| Q1 2016 | 17,970 | $832 | $39.11 | $34.33 - $46.52 |
| Q4 2015 | 9,495 | $516 | $49.75 | $44.01 - $54.52 |
| Q3 2015 | 9,273 | $481 | $49.96 | $42.26 - $59.13 |
| Q2 2015 | 8,143 | $550 | $62.10 | $58.06 - $67.58 |
| Q1 2015 | 1,613 | $116 | $54.56 | $46.07 - $62.01 |
| Q4 2014 | 742 | $45 | $57.80 | $45.45 - $73.16 |
| Q3 2014 | 1,606 | $140 | $76.69 | $70.51 - $83.52 |
| Q2 2014 | 1,606 | $135 | $63.36 | $52.18 - $72.01 |
| Q1 2014 | 1,808 | $120 | $53.68 | $48.11 - $58.70 |
| Q4 2013 | 1,239 | $151 | $47.34 | $43.59 - $51.55 |
| Q3 2013 | 1,049 | $109 | $42.90 | $40.28 - $45.40 |