WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q1 2025

Shares 10,572 Value ($000) $1,058 Avg Close $108.01 Range $95.27 - $116.71

Q4 2024

Shares 5,251 Value ($000) $602 Avg Close $126.38 Range $109.67 - $146.31

Q3 2024

Shares 4,896 Value ($000) $736 Avg Close $139.25 Range $125.61 - $148.72

Q3 2022

Shares 3,347 Value ($000) $291 Avg Close $90.33 Range $76.70 - $104.08

Q2 2022

Shares 6,254 Value ($000) $613 Avg Close $115.03 Range $86.41 - $132.48

Q3 2021

Shares 4,668 Value ($000) $425 Avg Close $79.74 Range $72.56 - $88.16

Q1 2020

Shares 5,771 Value ($000) $220 Avg Close $51.06 Range $26.40 - $65.18

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	10,572	$1,058	$108.01	$95.27 - $116.71
Q4 2024	5,251	$602	$126.38	$109.67 - $146.31
Q3 2024	4,896	$736	$139.25	$125.61 - $148.72
Q3 2022	3,347	$291	$90.33	$76.70 - $104.08
Q2 2022	6,254	$613	$115.03	$86.41 - $132.48
Q3 2021	4,668	$425	$79.74	$72.56 - $88.16
Q1 2020	5,771	$220	$51.06	$26.40 - $65.18