Ticker: WLK CUSIP: 960413102 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,208,715 | $163 | $70.79 | $55.84 - $82.75 |
| Q3 2025 | 2,208,143 | $170 | $82.33 | $73.94 - $91.41 |
| Q2 2025 | 2,058,588 | $156 | $80.28 | $67.52 - $99.92 |
| Q1 2025 | 21,183 | $2 | $108.01 | $95.27 - $116.71 |
| Q4 2024 | 22,124 | $3 | $126.38 | $109.67 - $146.31 |
| Q3 2024 | 19,770 | $3 | $139.25 | $125.61 - $148.72 |
| Q2 2024 | 19,440 | $3 | $148.16 | $138.77 - $156.68 |
| Q1 2024 | 17,355 | $3 | $135.33 | $113.88 - $147.53 |
| Q4 2023 | 42,297 | $6 | $121.60 | $107.83 - $137.84 |
| Q3 2023 | 42,188 | $5 | $122.44 | $108.80 - $131.81 |
| Q2 2023 | 36,616 | $4 | $108.79 | $98.37 - $116.78 |
| Q1 2023 | 27,267 | $3 | $109.37 | $92.83 - $119.59 |
| Q4 2022 | 26,972 | $3 | $95.20 | $80.55 - $107.11 |
| Q3 2022 | 27,309 | $2,373 | $90.33 | $76.70 - $104.08 |
| Q2 2022 | 24,141 | $2,366 | $115.03 | $86.41 - $132.48 |
| Q1 2022 | 1,163,400 | $143,564 | $102.15 | $87.54 - $119.36 |
| Q4 2021 | 1,237,040 | $120,154 | $91.08 | $82.73 - $97.95 |
| Q3 2021 | 1,238,381 | $112,866 | $79.74 | $72.56 - $88.16 |
| Q2 2021 | 2,043,274 | $184,079 | $90.14 | $80.84 - $98.96 |
| Q1 2021 | 3,669,971 | $325,857 | $80.32 | $68.77 - $90.16 |
| Q4 2020 | 3,628,235 | $296,064 | $68.91 | $56.02 - $78.45 |
| Q3 2020 | 4,195,673 | $265,250 | $54.23 | $46.16 - $63.35 |
| Q2 2020 | 4,337,458 | $232,705 | $42.05 | $30.99 - $55.36 |
| Q1 2020 | 4,264,295 | $162,768 | $51.06 | $26.40 - $65.18 |
| Q4 2019 | 3,409,609 | $239,184 | $60.78 | $52.18 - $68.35 |
| Q3 2019 | 2,660,748 | $174,332 | $57.99 | $50.43 - $64.27 |
| Q2 2019 | 2,171,725 | $150,848 | $59.69 | $51.40 - $69.93 |
| Q1 2019 | 16,030 | $1,088 | $64.77 | $57.75 - $72.34 |
| Q4 2018 | 15,970 | $1,057 | $64.35 | $53.36 - $76.44 |
| Q3 2018 | 15,922 | $1,323 | $86.83 | $72.82 - $100.10 |
| Q2 2018 | 15,859 | $1,707 | $99.34 | $90.39 - $110.06 |
| Q1 2018 | 237,904 | $26,443 | $98.39 | $86.89 - $107.41 |
| Q4 2017 | 67,764 | $7,219 | $81.78 | $72.56 - $95.02 |
| Q3 2017 | 93,547 | $7,773 | $64.66 | $57.52 - $74.59 |
| Q2 2017 | 15,960 | $1,057 | $55.73 | $52.23 - $59.49 |
| Q1 2017 | 15,974 | $1,055 | $55.38 | $49.25 - $59.68 |
| Q4 2016 | 15,972 | $894 | $47.64 | $42.61 - $53.78 |
| Q3 2016 | 17,529 | $938 | $41.92 | $34.93 - $47.03 |
| Q2 2016 | 17,529 | $752 | $39.55 | $34.26 - $45.64 |
| Q1 2016 | 11,980 | $555 | $39.11 | $34.33 - $46.52 |
| Q4 2015 | 9,820 | $533 | $49.75 | $44.01 - $54.52 |
| Q3 2015 | 9,742 | $506 | $49.96 | $42.26 - $59.13 |
| Q2 2015 | 9,742 | $668 | $62.10 | $58.06 - $67.58 |
| Q1 2015 | 9,742 | $701 | $54.56 | $46.07 - $62.01 |
| Q4 2014 | 10,283 | $628 | $57.80 | $45.45 - $73.16 |
| Q3 2014 | 11,842 | $1,025 | $76.69 | $70.51 - $83.52 |
| Q2 2014 | 11,842 | $992 | $63.36 | $52.18 - $72.01 |
| Q1 2014 | 10,842 | $718 | $53.68 | $48.11 - $58.70 |
| Q4 2013 | 3,621 | $442 | $47.34 | $43.59 - $51.55 |
| Q3 2013 | 3,821 | $400 | $42.90 | $40.28 - $45.40 |
| Q2 2013 | 4,721 | $455 | $37.72 | $32.17 - $41.82 |