Ticker: WLK CUSIP: 960413102 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 759,623 | $56,167 | $70.79 | $55.84 - $82.75 |
| Q3 2025 | 815,629 | $62,853 | $82.33 | $73.94 - $91.41 |
| Q2 2025 | 462,488 | $35,117 | $80.28 | $67.52 - $99.92 |
| Q1 2025 | 262,556 | $26,264 | $108.01 | $95.27 - $116.71 |
| Q4 2024 | 301,550 | $34,573 | $126.38 | $109.67 - $146.31 |
| Q3 2024 | 325,462 | $48,914 | $139.25 | $125.61 - $148.72 |
| Q2 2024 | 324,217 | $46,953 | $148.16 | $138.77 - $156.68 |
| Q1 2024 | 317,991 | $48,589 | $135.33 | $113.88 - $147.53 |
| Q4 2023 | 255,897 | $35,816 | $121.60 | $107.83 - $137.84 |
| Q3 2023 | 330,023 | $41,144 | $122.44 | $108.80 - $131.81 |
| Q2 2023 | 313,786 | $37,488 | $108.79 | $98.37 - $116.78 |
| Q1 2023 | 331,898 | $38,494 | $109.37 | $92.83 - $119.59 |
| Q4 2022 | 319,975 | $32,810 | $95.20 | $80.55 - $107.11 |
| Q3 2022 | 596,187 | $51,795 | $90.33 | $76.70 - $104.08 |
| Q2 2022 | 660,576 | $64,750 | $115.03 | $86.41 - $132.48 |
| Q1 2022 | 459,878 | $56,747 | $102.15 | $87.54 - $119.36 |
| Q4 2021 | 659,242 | $64,033 | $91.08 | $82.73 - $97.95 |
| Q3 2021 | 527,689 | $48,094 | $79.74 | $72.56 - $88.16 |
| Q2 2021 | 563,210 | $50,739 | $90.14 | $80.84 - $98.96 |
| Q1 2021 | 231,933 | $20,594 | $80.32 | $68.77 - $90.16 |
| Q4 2020 | 88,033 | $7,184 | $68.91 | $56.02 - $78.45 |
| Q3 2020 | 79,618 | $5,034 | $54.23 | $46.16 - $63.35 |
| Q2 2020 | 94,620 | $5,078 | $42.05 | $30.99 - $55.36 |
| Q1 2020 | 124,764 | $4,762 | $51.06 | $26.40 - $65.18 |
| Q4 2019 | 107,917 | $7,571 | $60.78 | $52.18 - $68.35 |
| Q3 2019 | 89,885 | $5,888 | $57.99 | $50.43 - $64.27 |
| Q2 2019 | 112,253 | $7,797 | $59.69 | $51.40 - $69.93 |
| Q1 2019 | 132,845 | $9,015 | $64.77 | $57.75 - $72.34 |
| Q4 2018 | 155,515 | $10,290 | $64.35 | $53.36 - $76.44 |
| Q3 2018 | 544,346 | $45,240 | $86.83 | $72.82 - $100.10 |
| Q2 2018 | 168,394 | $18,124 | $99.34 | $90.39 - $110.06 |
| Q1 2018 | 70,126 | $7,793 | $98.39 | $86.89 - $107.41 |
| Q4 2017 | 49,676 | $5,293 | $81.78 | $72.56 - $95.02 |
| Q3 2017 | 90,117 | $7,488 | $64.66 | $57.52 - $74.59 |
| Q2 2017 | 34,329 | $2,273 | $55.73 | $52.23 - $59.49 |
| Q1 2017 | 26,028 | $1,718 | $55.38 | $49.25 - $59.68 |
| Q4 2016 | 22,615 | $1,266 | $47.64 | $42.61 - $53.78 |
| Q3 2016 | 23,378 | $1,251 | $41.92 | $34.93 - $47.03 |
| Q2 2016 | 465,519 | $19,981 | $39.55 | $34.26 - $45.64 |
| Q1 2016 | 393,265 | $18,207 | $39.11 | $34.33 - $46.52 |
| Q4 2015 | 38,055 | $2,067 | $49.75 | $44.01 - $54.52 |
| Q3 2015 | 25,620 | $1,330 | $49.96 | $42.26 - $59.13 |
| Q2 2015 | 159,441 | $10,936 | $62.10 | $58.06 - $67.58 |
| Q1 2015 | 101,370 | $7,293 | $54.56 | $46.07 - $62.01 |
| Q4 2014 | 334,067 | $20,409 | $57.80 | $45.45 - $73.16 |
| Q3 2014 | 317,517 | $27,494 | $76.69 | $70.51 - $83.52 |
| Q2 2014 | 216,239 | $18,111 | $63.36 | $52.18 - $72.01 |
| Q1 2014 | 409,000 | $27,068 | $53.68 | $48.11 - $58.70 |
| Q4 2013 | 71,516 | $8,732 | $47.34 | $43.59 - $51.55 |
| Q3 2013 | 37,287 | $3,902 | $42.90 | $40.28 - $45.40 |
| Q2 2013 | 129,797 | $12,513 | $37.72 | $32.17 - $41.82 |