Ticker: WLK CUSIP: 960413102 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 1,396,633 | $103,267 | $70.79 | $55.84 - $82.75 |
| Q3 2025 | 1,295,242 | $99,811 | $82.33 | $73.94 - $91.41 |
| Q2 2025 | 1,392,227 | $105,712 | $80.28 | $67.52 - $99.92 |
| Q1 2025 | 1,630,106 | $163,060 | $108.01 | $95.27 - $116.71 |
| Q4 2024 | 1,194,249 | $136,919 | $126.38 | $109.67 - $146.31 |
| Q3 2024 | 1,198,710 | $180,154 | $139.25 | $125.61 - $148.72 |
| Q2 2024 | 1,188,872 | $172,172 | $148.16 | $138.77 - $156.68 |
| Q1 2024 | 1,187,069 | $181,384 | $135.33 | $113.88 - $147.53 |
| Q4 2023 | 1,197,152 | $167,553 | $121.60 | $107.83 - $137.84 |
| Q3 2023 | 1,128,455 | $140,684 | $122.44 | $108.80 - $131.81 |
| Q2 2023 | 1,164,284 | $139,097 | $108.79 | $98.37 - $116.78 |
| Q1 2023 | 1,144,072 | $132,689 | $109.37 | $92.83 - $119.59 |
| Q4 2022 | 1,125,020 | $115,360 | $95.20 | $80.55 - $107.11 |
| Q3 2022 | 745,738 | $64,790 | $90.33 | $76.70 - $104.08 |
| Q2 2022 | 707,543 | $69,353 | $115.03 | $86.41 - $132.48 |
| Q1 2022 | 538,703 | $66,476 | $102.15 | $87.54 - $119.36 |
| Q4 2021 | 522,422 | $50,743 | $91.08 | $82.73 - $97.95 |
| Q3 2021 | 517,452 | $47,161 | $79.74 | $72.56 - $88.16 |
| Q2 2021 | 518,534 | $46,715 | $90.14 | $80.84 - $98.96 |
| Q1 2021 | 453,632 | $40,278 | $80.32 | $68.77 - $90.16 |
| Q4 2020 | 450,208 | $36,737 | $68.91 | $56.02 - $78.45 |
| Q3 2020 | 454,759 | $28,750 | $54.23 | $46.16 - $63.35 |
| Q2 2020 | 489,444 | $26,259 | $42.05 | $30.99 - $55.36 |
| Q1 2020 | 911,853 | $34,805 | $51.06 | $26.40 - $65.18 |
| Q4 2019 | 918,404 | $64,426 | $60.78 | $52.18 - $68.35 |
| Q3 2019 | 930,419 | $60,961 | $57.99 | $50.43 - $64.27 |
| Q2 2019 | 923,960 | $64,178 | $59.69 | $51.40 - $69.93 |
| Q1 2019 | 927,883 | $62,966 | $64.77 | $57.75 - $72.34 |
| Q4 2018 | 890,380 | $58,916 | $64.35 | $53.36 - $76.44 |
| Q3 2018 | 863,296 | $71,746 | $86.83 | $72.82 - $100.10 |
| Q2 2018 | 754,615 | $81,217 | $99.34 | $90.39 - $110.06 |
| Q1 2018 | 516,007 | $57,355 | $98.39 | $86.89 - $107.41 |
| Q4 2017 | 552,713 | $58,882 | $81.78 | $72.56 - $95.02 |
| Q3 2017 | 564,327 | $46,893 | $64.66 | $57.52 - $74.59 |
| Q2 2017 | 575,374 | $38,095 | $55.73 | $52.23 - $59.49 |
| Q1 2017 | 542,638 | $35,845 | $55.38 | $49.25 - $59.68 |
| Q4 2016 | 556,552 | $31,159 | $47.64 | $42.61 - $53.78 |
| Q3 2016 | 560,324 | $29,977 | $41.92 | $34.93 - $47.03 |
| Q2 2016 | 515,673 | $22,136 | $39.55 | $34.26 - $45.64 |
| Q1 2016 | 838,241 | $38,812 | $39.11 | $34.33 - $46.52 |
| Q4 2015 | 793,961 | $43,125 | $49.75 | $44.01 - $54.52 |
| Q3 2015 | 849,682 | $44,090 | $49.96 | $42.26 - $59.13 |
| Q2 2015 | 800,192 | $54,886 | $62.10 | $58.06 - $67.58 |
| Q1 2015 | 776,136 | $55,840 | $54.56 | $46.07 - $62.01 |
| Q4 2014 | 756,680 | $46,224 | $57.80 | $45.45 - $73.16 |
| Q3 2014 | 778,154 | $67,378 | $76.69 | $70.51 - $83.52 |
| Q2 2014 | 720,457 | $60,358 | $63.36 | $52.18 - $72.01 |
| Q1 2014 | 482,974 | $31,962 | $53.68 | $48.11 - $58.70 |
| Q4 2013 | 236,608 | $28,881 | $47.34 | $43.59 - $51.55 |
| Q3 2013 | 406,119 | $42,503 | $42.90 | $40.28 - $45.40 |
| Q2 2013 | 260,870 | $25,147 | $37.72 | $32.17 - $41.82 |