Ticker: WLK CUSIP: 960413102 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 203,303 | $15,032 | $70.79 | $55.84 - $82.75 |
| Q3 2025 | 1,200,851 | $92,538 | $82.33 | $73.94 - $91.41 |
| Q2 2025 | 12,306 | $934 | $80.28 | $67.52 - $99.92 |
| Q1 2025 | 852,856 | $85,311 | $108.01 | $95.27 - $116.71 |
| Q4 2024 | 680,331 | $78,000 | $126.38 | $109.67 - $146.31 |
| Q3 2024 | 524,353 | $78,805 | $139.25 | $125.61 - $148.72 |
| Q2 2024 | 577,983 | $83,703 | $148.16 | $138.77 - $156.68 |
| Q1 2024 | 562,170 | $85,900 | $135.33 | $113.88 - $147.53 |
| Q4 2023 | 580,478 | $81,244 | $121.60 | $107.83 - $137.84 |
| Q3 2023 | 770,654 | $96,077 | $122.44 | $108.80 - $131.81 |
| Q2 2023 | 833,349 | $99,560 | $108.79 | $98.37 - $116.78 |
| Q1 2023 | 1,226,376 | $142,235 | $109.37 | $92.83 - $119.59 |
| Q4 2022 | 355,081 | $36,410 | $95.20 | $80.55 - $107.11 |
| Q3 2022 | 30,585 | $2,657 | $90.33 | $76.70 - $104.08 |
| Q2 2022 | 136,639 | $13,393 | $115.03 | $86.41 - $132.48 |
| Q1 2022 | 206,956 | $25,538 | $102.15 | $87.54 - $119.36 |
| Q4 2021 | 194,891 | $18,930 | $91.08 | $82.73 - $97.95 |
| Q3 2021 | 608,093 | $55,422 | $79.74 | $72.56 - $88.16 |
| Q2 2021 | 474,508 | $42,748 | $90.14 | $80.84 - $98.96 |
| Q1 2021 | 842,380 | $74,795 | $80.32 | $68.77 - $90.16 |
| Q4 2020 | 787,213 | $64,237 | $68.91 | $56.02 - $78.45 |
| Q3 2020 | 474,519 | $29,999 | $54.23 | $46.16 - $63.35 |
| Q2 2020 | 331,239 | $17,771 | $42.05 | $30.99 - $55.36 |
| Q1 2020 | 217,058 | $8,285 | $51.06 | $26.40 - $65.18 |
| Q4 2019 | 29,857 | $2,094 | $60.78 | $52.18 - $68.35 |
| Q3 2019 | 42,594 | $2,791 | $57.99 | $50.43 - $64.27 |
| Q2 2019 | 74,344 | $5,164 | $59.69 | $51.40 - $69.93 |
| Q1 2019 | 647,802 | $43,960 | $64.77 | $57.75 - $72.34 |
| Q4 2018 | 17,631 | $1,167 | $64.35 | $53.36 - $76.44 |
| Q3 2018 | 76,357 | $6,346 | $86.83 | $72.82 - $100.10 |
| Q2 2018 | 69,418 | $7,471 | $99.34 | $90.39 - $110.06 |
| Q1 2018 | 335,514 | $37,293 | $98.39 | $86.89 - $107.41 |
| Q4 2017 | 59,734 | $6,363 | $81.78 | $72.56 - $95.02 |
| Q3 2017 | 894,888 | $74,356 | $64.66 | $57.52 - $74.59 |
| Q2 2017 | 2,396,146 | $158,649 | $55.73 | $52.23 - $59.49 |
| Q1 2017 | 2,314,002 | $152,840 | $55.38 | $49.25 - $59.68 |
| Q4 2016 | 512,825 | $28,713 | $47.64 | $42.61 - $53.78 |
| Q3 2016 | 701,752 | $37,544 | $41.92 | $34.93 - $47.03 |
| Q2 2016 | 1,729,518 | $74,231 | $39.55 | $34.26 - $45.64 |
| Q1 2016 | 507,290 | $23,487 | $39.11 | $34.33 - $46.52 |
| Q4 2015 | 1,958,054 | $106,362 | $49.75 | $44.01 - $54.52 |
| Q3 2015 | 2,380,858 | $123,543 | $49.96 | $42.26 - $59.13 |
| Q2 2015 | 2,992,404 | $205,249 | $62.10 | $58.06 - $67.58 |
| Q1 2015 | 1,828,483 | $131,541 | $54.56 | $46.07 - $62.01 |
| Q4 2014 | 877,715 | $53,619 | $57.80 | $45.45 - $73.16 |
| Q3 2014 | 132,415 | $11,466 | $76.69 | $70.51 - $83.52 |
| Q2 2014 | 87,267 | $7,310 | $63.36 | $52.18 - $72.01 |
| Q1 2014 | 216,365 | $14,319 | $53.68 | $48.11 - $58.70 |
| Q4 2013 | 323,903 | $39,538 | $47.34 | $43.59 - $51.55 |
| Q3 2013 | 435,215 | $45,549 | $42.90 | $40.28 - $45.40 |
| Q2 2013 | 317,295 | $30,590 | $37.72 | $32.17 - $41.82 |