Ticker: WLK CUSIP: 960413102 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 3,917,329 | $289,647 | $70.79 | $55.84 - $82.75 |
| Q3 2025 | 3,439,631 | $265,058 | $82.33 | $73.94 - $91.41 |
| Q2 2025 | 3,522,810 | $267,487 | $80.28 | $67.52 - $99.92 |
| Q1 2025 | 3,550,310 | $355,138 | $108.01 | $95.27 - $116.71 |
| Q4 2024 | 3,877,973 | $444,610 | $126.38 | $109.67 - $146.31 |
| Q3 2024 | 3,856,680 | $579,620 | $139.25 | $125.61 - $148.72 |
| Q2 2024 | 3,841,908 | $556,385 | $148.16 | $138.77 - $156.68 |
| Q1 2024 | 3,361,946 | $513,705 | $135.33 | $113.88 - $147.53 |
| Q4 2023 | 3,387,392 | $474,099 | $121.60 | $107.83 - $137.84 |
| Q3 2023 | 3,382,864 | $421,742 | $122.44 | $108.80 - $131.81 |
| Q2 2023 | 3,449,521 | $412,114 | $108.79 | $98.37 - $116.78 |
| Q1 2023 | 3,461,752 | $401,494 | $109.37 | $92.83 - $119.59 |
| Q4 2022 | 3,456,522 | $354,432 | $95.20 | $80.55 - $107.11 |
| Q3 2022 | 3,342,875 | $290,429 | $90.33 | $76.70 - $104.08 |
| Q2 2022 | 3,615,079 | $354,350 | $115.03 | $86.41 - $132.48 |
| Q1 2022 | 4,036,201 | $498,067 | $102.15 | $87.54 - $119.36 |
| Q4 2021 | 4,053,446 | $393,711 | $91.08 | $82.73 - $97.95 |
| Q3 2021 | 3,923,779 | $357,613 | $79.74 | $72.56 - $88.16 |
| Q2 2021 | 3,997,970 | $360,177 | $90.14 | $80.84 - $98.96 |
| Q1 2021 | 3,728,567 | $331,060 | $80.32 | $68.77 - $90.16 |
| Q4 2020 | 3,804,016 | $310,407 | $68.91 | $56.02 - $78.45 |
| Q3 2020 | 3,737,196 | $236,266 | $54.23 | $46.16 - $63.35 |
| Q2 2020 | 3,905,331 | $209,520 | $42.05 | $30.99 - $55.36 |
| Q1 2020 | 4,871,381 | $185,940 | $51.06 | $26.40 - $65.18 |
| Q4 2019 | 4,758,293 | $333,795 | $60.78 | $52.18 - $68.35 |
| Q3 2019 | 4,701,468 | $308,040 | $57.99 | $50.43 - $64.27 |
| Q2 2019 | 4,699,524 | $326,429 | $59.69 | $51.40 - $69.93 |
| Q1 2019 | 4,621,751 | $313,633 | $64.77 | $57.75 - $72.34 |
| Q4 2018 | 5,074,139 | $335,755 | $64.35 | $53.36 - $76.44 |
| Q3 2018 | 5,269,764 | $437,970 | $86.83 | $72.82 - $100.10 |
| Q2 2018 | 5,157,564 | $555,108 | $99.34 | $90.39 - $110.06 |
| Q1 2018 | 4,956,567 | $550,922 | $98.39 | $86.89 - $107.41 |
| Q4 2017 | 4,783,506 | $509,587 | $81.78 | $72.56 - $95.02 |
| Q3 2017 | 4,324,617 | $359,333 | $64.66 | $57.52 - $74.59 |
| Q2 2017 | 4,277,676 | $283,225 | $55.73 | $52.23 - $59.49 |
| Q1 2017 | 4,201,948 | $277,538 | $55.38 | $49.25 - $59.68 |
| Q4 2016 | 3,875,650 | $216,997 | $47.64 | $42.61 - $53.78 |
| Q3 2016 | 3,752,091 | $200,738 | $41.92 | $34.93 - $47.03 |
| Q2 2016 | 3,725,230 | $159,887 | $39.55 | $34.26 - $45.64 |
| Q1 2016 | 3,909,918 | $181,029 | $39.11 | $34.33 - $46.52 |
| Q4 2015 | 3,697,307 | $200,838 | $49.75 | $44.01 - $54.52 |
| Q3 2015 | 3,593,607 | $186,473 | $49.96 | $42.26 - $59.13 |
| Q2 2015 | 3,588,234 | $246,117 | $62.10 | $58.06 - $67.58 |
| Q1 2015 | 3,581,582 | $257,660 | $54.56 | $46.07 - $62.01 |
| Q4 2014 | 2,729,015 | $166,716 | $57.80 | $45.45 - $73.16 |
| Q3 2014 | 3,068,026 | $265,660 | $76.69 | $70.51 - $83.52 |
| Q2 2014 | 3,030,100 | $253,801 | $63.36 | $52.18 - $72.01 |
| Q1 2014 | 2,906,190 | $192,332 | $53.68 | $48.11 - $58.70 |
| Q4 2013 | 1,410,384 | $172,166 | $47.34 | $43.59 - $51.55 |
| Q3 2013 | 1,394,800 | $145,980 | $42.90 | $40.28 - $45.40 |
| Q2 2013 | 1,379,729 | $133,019 | $37.72 | $32.17 - $41.82 |