WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025
Shares 8,346 Value ($000) $617 Avg Close $70.79 Range $55.84 - $82.75
Q3 2025
Shares 8,558 Value ($000) $659 Avg Close $82.33 Range $73.94 - $91.41
Q2 2025
Shares 8,567 Value ($000) $650 Avg Close $80.28 Range $67.52 - $99.92
Q1 2025
Shares 7,999 Value ($000) $800 Avg Close $108.01 Range $95.27 - $116.71
Q4 2024
Shares 7,391 Value ($000) $847 Avg Close $126.38 Range $109.67 - $146.31
Q3 2024
Shares 7,370 Value ($000) $1,108 Avg Close $139.25 Range $125.61 - $148.72
Q2 2024
Shares 7,124 Value ($000) $1,032 Avg Close $148.16 Range $138.77 - $156.68
Q1 2024
Shares 7,086 Value ($000) $1,083 Avg Close $135.33 Range $113.88 - $147.53
Q4 2023
Shares 7,069 Value ($000) $989 Avg Close $121.60 Range $107.83 - $137.84
Q3 2023
Shares 6,464 Value ($000) $806 Avg Close $122.44 Range $108.80 - $131.81
Q2 2023
Shares 16,659 Value ($000) $1,990 Avg Close $108.79 Range $98.37 - $116.78
Q1 2023
Shares 15,510 Value ($000) $1,799 Avg Close $109.37 Range $92.83 - $119.59
Q4 2022
Shares 15,491 Value ($000) $2 Avg Close $95.20 Range $80.55 - $107.11