WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Atria Investments, Inc's Holding History (CIK: 0001535865)

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

Q4 2025

Shares 4,072 Value ($000) $301 Avg Close $70.79 Range $55.84 - $82.75

Q3 2025

Shares 3,833 Value ($000) $295 Avg Close $82.33 Range $73.94 - $91.41

Q2 2025

Shares 2,999 Value ($000) $228 Avg Close $80.28 Range $67.52 - $99.92

Q2 2024

Shares 3,444 Value ($000) $499 Avg Close $148.16 Range $138.77 - $156.68

Q1 2015

Shares 3,624 Value ($000) $261 Avg Close $54.56 Range $46.07 - $62.01

Q4 2014

Shares 3,530 Value ($000) $216 Avg Close $57.80 Range $45.45 - $73.16

Q3 2014

Shares 2,711 Value ($000) $235 Avg Close $76.69 Range $70.51 - $83.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	4,072	$301	$70.79	$55.84 - $82.75
Q3 2025	3,833	$295	$82.33	$73.94 - $91.41
Q2 2025	2,999	$228	$80.28	$67.52 - $99.92
Q2 2024	3,444	$499	$148.16	$138.77 - $156.68
Q1 2015	3,624	$261	$54.56	$46.07 - $62.01
Q4 2014	3,530	$216	$57.80	$45.45 - $73.16
Q3 2014	2,711	$235	$76.69	$70.51 - $83.52