Ticker: WLK CUSIP: 960413102 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 309,626 | $22,894 | $70.79 | $55.84 - $82.75 |
| Q3 2025 | 309,626 | $23,860 | $82.33 | $73.94 - $91.41 |
| Q2 2025 | 306,426 | $23,267 | $80.28 | $67.52 - $99.92 |
| Q1 2025 | 13,975 | $1,398 | $108.01 | $95.27 - $116.71 |
| Q4 2024 | 13,975 | $1,602 | $126.38 | $109.67 - $146.31 |
| Q3 2024 | 15,475 | $2,326 | $139.25 | $125.61 - $148.72 |
| Q2 2024 | 19,475 | $2,820 | $148.16 | $138.77 - $156.68 |
| Q1 2024 | 17,977 | $2,747 | $135.33 | $113.88 - $147.53 |
| Q4 2023 | 19,982 | $2,797 | $121.60 | $107.83 - $137.84 |
| Q3 2023 | 24,392 | $3,041 | $122.44 | $108.80 - $131.81 |
| Q2 2023 | 31,271 | $3,736 | $108.79 | $98.37 - $116.78 |
| Q1 2023 | 33,494 | $3,885 | $109.37 | $92.83 - $119.59 |
| Q4 2022 | 36,303 | $3,723 | $95.20 | $80.55 - $107.11 |
| Q3 2022 | 37,115 | $3,225 | $90.33 | $76.70 - $104.08 |
| Q2 2022 | 36,171 | $3,545 | $115.03 | $86.41 - $132.48 |
| Q1 2022 | 37,874 | $4,674 | $102.15 | $87.54 - $119.36 |
| Q4 2021 | 39,890 | $3,875 | $91.08 | $82.73 - $97.95 |
| Q3 2021 | 36,224 | $3,301 | $79.74 | $72.56 - $88.16 |
| Q2 2021 | 31,076 | $2,800 | $90.14 | $80.84 - $98.96 |
| Q1 2021 | 33,300 | $2,957 | $80.32 | $68.77 - $90.16 |
| Q4 2020 | 59,200 | $4,831 | $68.91 | $56.02 - $78.45 |
| Q3 2020 | 64,100 | $4,052 | $54.23 | $46.16 - $63.35 |
| Q2 2020 | 67,600 | $3,627 | $42.05 | $30.99 - $55.36 |
| Q1 2020 | 70,800 | $2,702 | $51.06 | $26.40 - $65.18 |
| Q4 2019 | 130,550 | $9,158 | $60.78 | $52.18 - $68.35 |
| Q3 2019 | 107,050 | $7,014 | $57.99 | $50.43 - $64.27 |
| Q2 2019 | 119,300 | $8,287 | $59.69 | $51.40 - $69.93 |
| Q1 2019 | 95,100 | $6,453 | $64.77 | $57.75 - $72.34 |
| Q4 2018 | 69,250 | $4,582 | $64.35 | $53.36 - $76.44 |
| Q3 2018 | 106,950 | $8,889 | $86.83 | $72.82 - $100.10 |
| Q2 2018 | 144,179 | $15,518 | $99.34 | $90.39 - $110.06 |
| Q1 2018 | 148,079 | $16,459 | $98.39 | $86.89 - $107.41 |
| Q4 2017 | 163,779 | $17,447 | $81.78 | $72.56 - $95.02 |
| Q3 2017 | 155,679 | $12,935 | $64.66 | $57.52 - $74.59 |
| Q2 2017 | 151,079 | $10,003 | $55.73 | $52.23 - $59.49 |
| Q1 2017 | 230,180 | $15,203 | $55.38 | $49.25 - $59.68 |
| Q4 2016 | 216,900 | $12,144 | $47.64 | $42.61 - $53.78 |
| Q3 2016 | 225,500 | $12,064 | $41.92 | $34.93 - $47.03 |
| Q2 2016 | 257,900 | $11,069 | $39.55 | $34.26 - $45.64 |
| Q1 2016 | 125,900 | $5,829 | $39.11 | $34.33 - $46.52 |
| Q4 2015 | 131,100 | $7,121 | $49.75 | $44.01 - $54.52 |
| Q3 2015 | 92,300 | $4,789 | $49.96 | $42.26 - $59.13 |
| Q2 2015 | 65,849 | $4,517 | $62.10 | $58.06 - $67.58 |
| Q4 2014 | 39,226 | $2,396 | $57.80 | $45.45 - $73.16 |
| Q3 2014 | 56,818 | $4,920 | $76.69 | $70.51 - $83.52 |
| Q2 2014 | 104,740 | $8,773 | $63.36 | $52.18 - $72.01 |
| Q1 2014 | 30,000 | $1,985 | $53.68 | $48.11 - $58.70 |
| Q4 2013 | 7,900 | $964 | $47.34 | $43.59 - $51.55 |
| Q2 2013 | 300 | $29 | $37.72 | $32.17 - $41.82 |