WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

UMB Bank, n.a.'s Holding History (CIK: 0000933429)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 393 Value ($000) $29 Avg Close $70.79 Range $55.84 - $82.75
Q3 2025
Shares 578 Value ($000) $45 Avg Close $82.33 Range $73.94 - $91.41
Q2 2025
Shares 565 Value ($000) $43 Avg Close $80.28 Range $67.52 - $99.92
Q1 2025
Shares 273 Value ($000) $27 Avg Close $108.01 Range $95.27 - $116.71
Q4 2024
Shares 198 Value ($000) $23 Avg Close $126.38 Range $109.67 - $146.31
Q3 2024
Shares 77 Value ($000) $12 Avg Close $139.25 Range $125.61 - $148.72
Q2 2024
Shares 15 Value ($000) $2 Avg Close $148.16 Range $138.77 - $156.68
Q1 2024
Shares 9 Value ($000) $1 Avg Close $135.33 Range $113.88 - $147.53