WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.'s Holding History (CIK: 0000319933)

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

Q2 2025

Shares 29 Value ($000) $2 Avg Close $80.28 Range $67.52 - $99.92

Q1 2025

Shares 36 Value ($000) $4 Avg Close $108.01 Range $95.27 - $116.71

Q4 2024

Shares 11 Value ($000) $1 Avg Close $126.38 Range $109.67 - $146.31

Q3 2024

Shares 12 Value ($000) $2 Avg Close $139.25 Range $125.61 - $148.72

Q2 2024

Shares 12 Value ($000) $2 Avg Close $148.16 Range $138.77 - $156.68

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	29	$2	$80.28	$67.52 - $99.92
Q1 2025	36	$4	$108.01	$95.27 - $116.71
Q4 2024	11	$1	$126.38	$109.67 - $146.31
Q3 2024	12	$2	$139.25	$125.61 - $148.72
Q2 2024	12	$2	$148.16	$138.77 - $156.68