WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Pinnacle Wealth Planning Services, Inc.'s Holding History (CIK: 0001726752)

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

Q4 2025

Shares 58 Value ($000) $4 Avg Close $70.79 Range $55.84 - $82.75

Q4 2020

Shares 32 Value ($000) $3 Avg Close $68.91 Range $56.02 - $78.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	58	$4	$70.79	$55.84 - $82.75
Q4 2020	32	$3	$68.91	$56.02 - $78.45