Ticker: WLK CUSIP: 960413102 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 753,953 | $55,747 | $70.79 | $55.84 - $82.75 |
| Q3 2025 | 1,051,397 | $81,021 | $82.33 | $73.94 - $91.41 |
| Q2 2025 | 1,058,943 | $80,406 | $80.28 | $67.52 - $99.92 |
| Q1 2025 | 1,041,190 | $104,150 | $108.01 | $95.27 - $116.71 |
| Q4 2024 | 938,922 | $107,647 | $126.38 | $109.67 - $146.31 |
| Q3 2024 | 667,485 | $100,316 | $139.25 | $125.61 - $148.72 |
| Q2 2024 | 658,386 | $95,347 | $148.16 | $138.77 - $156.68 |
| Q1 2024 | 662,676 | $101,257 | $135.33 | $113.88 - $147.53 |
| Q4 2023 | 689,403 | $96,489 | $121.60 | $107.83 - $137.84 |
| Q3 2023 | 705,496 | $87,954 | $122.44 | $108.80 - $131.81 |
| Q2 2023 | 776,556 | $92,775 | $108.79 | $98.37 - $116.78 |
| Q1 2023 | 737,441 | $85,528 | $109.37 | $92.83 - $119.59 |
| Q4 2022 | 837,405 | $85,868 | $95.20 | $80.55 - $107.11 |
| Q3 2022 | 801,683 | $70 | $90.33 | $76.70 - $104.08 |
| Q2 2022 | 830,404 | $81 | $115.03 | $86.41 - $132.48 |
| Q1 2022 | 794,765 | $98,074 | $102.15 | $87.54 - $119.36 |
| Q4 2021 | 950,431 | $92,316 | $91.08 | $82.73 - $97.95 |
| Q3 2021 | 999,423 | $91,087 | $79.74 | $72.56 - $88.16 |
| Q2 2021 | 1,131,178 | $101,908 | $90.14 | $80.84 - $98.96 |
| Q1 2021 | 805,462 | $71,517 | $80.32 | $68.77 - $90.16 |
| Q4 2020 | 728,009 | $59,405 | $68.91 | $56.02 - $78.45 |
| Q3 2020 | 894,576 | $56,554 | $54.23 | $46.16 - $63.35 |
| Q2 2020 | 906,774 | $48,648 | $42.05 | $30.99 - $55.36 |
| Q1 2020 | 403,161 | $15,389 | $51.06 | $26.40 - $65.18 |
| Q4 2019 | 223,972 | $15,712 | $60.78 | $52.18 - $68.35 |
| Q3 2019 | 302,219 | $19,801 | $57.99 | $50.43 - $64.27 |
| Q2 2019 | 431,419 | $29,967 | $59.69 | $51.40 - $69.93 |
| Q1 2019 | 300,320 | $20,380 | $64.77 | $57.75 - $72.34 |
| Q4 2018 | 775,919 | $51,343 | $64.35 | $53.36 - $76.44 |
| Q3 2018 | 1,256,661 | $104,441 | $86.83 | $72.82 - $100.10 |
| Q2 2018 | 1,318,344 | $141,893 | $99.34 | $90.39 - $110.06 |
| Q1 2018 | 1,177,813 | $130,914 | $98.39 | $86.89 - $107.41 |
| Q4 2017 | 1,476,810 | $157,324 | $81.78 | $72.56 - $95.02 |
| Q3 2017 | 1,419,480 | $117,945 | $64.66 | $57.52 - $74.59 |
| Q2 2017 | 1,077,752 | $71,358 | $55.73 | $52.23 - $59.49 |
| Q1 2017 | 961,147 | $63,484 | $55.38 | $49.25 - $59.68 |
| Q4 2016 | 1,368,732 | $76,636 | $47.64 | $42.61 - $53.78 |
| Q3 2016 | 1,581,042 | $84,586 | $41.92 | $34.93 - $47.03 |
| Q2 2016 | 1,541,478 | $66,160 | $39.55 | $34.26 - $45.64 |
| Q1 2016 | 1,873,916 | $86,763 | $39.11 | $34.33 - $46.52 |
| Q4 2015 | 768,525 | $41,747 | $49.75 | $44.01 - $54.52 |
| Q3 2015 | 169,139 | $8,777 | $49.96 | $42.26 - $59.13 |
| Q2 2015 | 216,683 | $14,862 | $62.10 | $58.06 - $67.58 |
| Q1 2015 | 139,669 | $10,047 | $54.56 | $46.07 - $62.01 |
| Q4 2014 | 121,984 | $7,452 | $57.80 | $45.45 - $73.16 |
| Q3 2014 | 679,042 | $58,798 | $76.69 | $70.51 - $83.52 |
| Q2 2014 | 778,582 | $65,214 | $63.36 | $52.18 - $72.01 |
| Q1 2014 | 643,931 | $42,615 | $53.68 | $48.11 - $58.70 |
| Q4 2013 | 298,572 | $36,446 | $47.34 | $43.59 - $51.55 |
| Q3 2013 | 266,920 | $27,935 | $42.90 | $40.28 - $45.40 |
| Q2 2013 | 272,131 | $26,236 | $37.72 | $32.17 - $41.82 |
| Q4 2012 | 434,901 | $34,488 | — | — |
| Q3 2012 | 639,642 | $46,732 | — | — |
| Q2 2012 | 310,400 | $16,222 | — | — |
| Q1 2012 | 355,811 | $23,053 | — | — |