Ticker: WLK CUSIP: 960413102 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 10,056 | $744 | $70.79 | $55.84 - $82.75 |
| Q3 2025 | 10,438 | $804 | $82.33 | $73.94 - $91.41 |
| Q2 2025 | 10,373 | $788 | $80.28 | $67.52 - $99.92 |
| Q1 2025 | 10,324 | $1,033 | $108.01 | $95.27 - $116.71 |
| Q4 2024 | 11,517 | $1,320 | $126.38 | $109.67 - $146.31 |
| Q3 2024 | 12,177 | $1,830 | $139.25 | $125.61 - $148.72 |
| Q2 2024 | 12,783 | $1,851 | $148.16 | $138.77 - $156.68 |
| Q1 2024 | 12,383 | $1,892 | $135.33 | $113.88 - $147.53 |
| Q4 2023 | 15,516 | $2,172 | $121.60 | $107.83 - $137.84 |
| Q3 2023 | 15,184 | $1,893 | $122.44 | $108.80 - $131.81 |
| Q2 2023 | 16,571 | $1,980 | $108.79 | $98.37 - $116.78 |
| Q1 2023 | 17,021 | $1,974 | $109.37 | $92.83 - $119.59 |
| Q4 2022 | 17,518 | $1,796 | $95.20 | $80.55 - $107.11 |
| Q3 2022 | 18,579 | $1,614 | $90.33 | $76.70 - $104.08 |
| Q2 2022 | 18,604 | $1,824 | $115.03 | $86.41 - $132.48 |
| Q1 2022 | 19,629 | $2,422 | $102.15 | $87.54 - $119.36 |
| Q4 2021 | 20,291 | $1,971 | $91.08 | $82.73 - $97.95 |
| Q3 2021 | 20,897 | $1,905 | $79.74 | $72.56 - $88.16 |
| Q2 2021 | 21,252 | $1,915 | $90.14 | $80.84 - $98.96 |
| Q1 2021 | 20,466 | $1,817 | $80.32 | $68.77 - $90.16 |
| Q4 2020 | 19,157 | $1,563 | $68.91 | $56.02 - $78.45 |
| Q3 2020 | 15,407 | $974 | $54.23 | $46.16 - $63.35 |
| Q2 2020 | 15,061 | $808 | $42.05 | $30.99 - $55.36 |
| Q1 2020 | 16,379 | $625 | $51.06 | $26.40 - $65.18 |
| Q4 2019 | 17,522 | $1,229 | $60.78 | $52.18 - $68.35 |
| Q3 2019 | 12,761 | $836 | $57.99 | $50.43 - $64.27 |
| Q2 2019 | 11,540 | $802 | $59.69 | $51.40 - $69.93 |
| Q1 2019 | 11,875 | $806 | $64.77 | $57.75 - $72.34 |
| Q4 2018 | 11,656 | $771 | $64.35 | $53.36 - $76.44 |
| Q3 2018 | 12,188 | $1,013 | $86.83 | $72.82 - $100.10 |
| Q2 2018 | 16,191 | $1,743 | $99.34 | $90.39 - $110.06 |
| Q1 2018 | 16,865 | $1,875 | $98.39 | $86.89 - $107.41 |
| Q4 2017 | 17,432 | $1,857 | $81.78 | $72.56 - $95.02 |
| Q3 2017 | 17,627 | $1,465 | $64.66 | $57.52 - $74.59 |
| Q2 2017 | 18,313 | $1,213 | $55.73 | $52.23 - $59.49 |
| Q1 2017 | 19,489 | $1,287 | $55.38 | $49.25 - $59.68 |
| Q4 2016 | 19,562 | $1,263 | $47.64 | $42.61 - $53.78 |
| Q3 2016 | 15,937 | $853 | $41.92 | $34.93 - $47.03 |
| Q2 2016 | 14,118 | $606 | $39.55 | $34.26 - $45.64 |
| Q1 2016 | 17,848 | $826 | $39.11 | $34.33 - $46.52 |
| Q4 2015 | 15,196 | $825 | $49.75 | $44.01 - $54.52 |
| Q3 2015 | 15,999 | $830 | $49.96 | $42.26 - $59.13 |
| Q2 2015 | 17,921 | $1,229 | $62.10 | $58.06 - $67.58 |
| Q1 2015 | 16,603 | $1,194 | $54.56 | $46.07 - $62.01 |
| Q4 2014 | 16,368 | $1,000 | $57.80 | $45.45 - $73.16 |
| Q3 2014 | 13,140 | $1,138 | $76.69 | $70.51 - $83.52 |
| Q2 2014 | 12,122 | $1,015 | $63.36 | $52.18 - $72.01 |
| Q1 2014 | 11,986 | $793 | $53.68 | $48.11 - $58.70 |
| Q4 2013 | 7,432 | $907 | $47.34 | $43.59 - $51.55 |
| Q3 2013 | 5,653 | $592 | $42.90 | $40.28 - $45.40 |
| Q2 2013 | 3,783 | $365 | $37.72 | $32.17 - $41.82 |