WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Hudson Bay Capital Management LP's Holding History (CIK: 0001393825)

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

Q4 2025

Shares 30,443 Value ($000) $2,251 Avg Close $70.79 Range $55.84 - $82.75

Q3 2025

Shares 3,496 Value ($000) $269 Avg Close $82.33 Range $73.94 - $91.41

Q4 2024

Shares 25,000 Value ($000) $2,866 Avg Close $126.38 Range $109.67 - $146.31

Q3 2024

Shares 25,000 Value ($000) $3,757 Avg Close $139.25 Range $125.61 - $148.72

Q3 2017

Shares 24,500 Value ($000) $2,036 Avg Close $64.66 Range $57.52 - $74.59

Q4 2016

Shares 52,802 Value ($000) $2,956 Avg Close $47.64 Range $42.61 - $53.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	30,443	$2,251	$70.79	$55.84 - $82.75
Q3 2025	3,496	$269	$82.33	$73.94 - $91.41
Q4 2024	25,000	$2,866	$126.38	$109.67 - $146.31
Q3 2024	25,000	$3,757	$139.25	$125.61 - $148.72
Q3 2017	24,500	$2,036	$64.66	$57.52 - $74.59
Q4 2016	52,802	$2,956	$47.64	$42.61 - $53.78