WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

OSAIC HOLDINGS, INC.'s Holding History (CIK: 0001677044)

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

Q4 2025

Shares 280 Value ($000) $21 Avg Close $70.79 Range $55.84 - $82.75

Q3 2025

Shares 3,258 Value ($000) $274 Avg Close $82.33 Range $73.94 - $91.41

Q2 2025

Shares 3,417 Value ($000) $262 Avg Close $80.28 Range $67.52 - $99.92

Q1 2025

Shares 2,499 Value ($000) $250 Avg Close $108.01 Range $95.27 - $116.71

Q4 2024

Shares 2,224 Value ($000) $255 Avg Close $126.38 Range $109.67 - $146.31

Q3 2024

Shares 2,147 Value ($000) $323 Avg Close $139.25 Range $125.61 - $148.72

Q2 2024

Shares 2,279 Value ($000) $330 Avg Close $148.16 Range $138.77 - $156.68

Q1 2024

Shares 4,213 Value ($000) $644 Avg Close $135.33 Range $113.88 - $147.53

Q4 2023

Shares 5,647 Value ($000) $790 Avg Close $121.60 Range $107.83 - $137.84

Q3 2023

Shares 6,186 Value ($000) $771 Avg Close $122.44 Range $108.80 - $131.81

Q2 2023

Shares 24,081 Value ($000) $2,916 Avg Close $108.79 Range $98.37 - $116.78

Q1 2023

Shares 22,993 Value ($000) $2,658 Avg Close $109.37 Range $92.83 - $119.59

Q4 2022

Shares 20,341 Value ($000) $2,086 Avg Close $95.20 Range $80.55 - $107.11

Q3 2022

Shares 9,840 Value ($000) $855 Avg Close $90.33 Range $76.70 - $104.08

Q2 2022

Shares 22,208 Value ($000) $2,190 Avg Close $115.03 Range $86.41 - $132.48

Q1 2022

Shares 4,166 Value ($000) $515 Avg Close $102.15 Range $87.54 - $119.36

Q4 2021

Shares 3,325 Value ($000) $323 Avg Close $91.08 Range $82.73 - $97.95

Q3 2021

Shares 5,930 Value ($000) $540 Avg Close $79.74 Range $72.56 - $88.16

Q2 2021

Shares 3,043 Value ($000) $275 Avg Close $90.14 Range $80.84 - $98.96

Q1 2021

Shares 15,735 Value ($000) $1,402 Avg Close $80.32 Range $68.77 - $90.16

Q4 2020

Shares 786 Value ($000) $64 Avg Close $68.91 Range $56.02 - $78.45

Q3 2020

Shares 772 Value ($000) $49 Avg Close $54.23 Range $46.16 - $63.35

Q2 2020

Shares 744 Value ($000) $41 Avg Close $42.05 Range $30.99 - $55.36

Q1 2020

Shares 929 Value ($000) $36 Avg Close $51.06 Range $26.40 - $65.18

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	280	$21	$70.79	$55.84 - $82.75
Q3 2025	3,258	$274	$82.33	$73.94 - $91.41
Q2 2025	3,417	$262	$80.28	$67.52 - $99.92
Q1 2025	2,499	$250	$108.01	$95.27 - $116.71
Q4 2024	2,224	$255	$126.38	$109.67 - $146.31
Q3 2024	2,147	$323	$139.25	$125.61 - $148.72
Q2 2024	2,279	$330	$148.16	$138.77 - $156.68
Q1 2024	4,213	$644	$135.33	$113.88 - $147.53
Q4 2023	5,647	$790	$121.60	$107.83 - $137.84
Q3 2023	6,186	$771	$122.44	$108.80 - $131.81
Q2 2023	24,081	$2,916	$108.79	$98.37 - $116.78
Q1 2023	22,993	$2,658	$109.37	$92.83 - $119.59
Q4 2022	20,341	$2,086	$95.20	$80.55 - $107.11
Q3 2022	9,840	$855	$90.33	$76.70 - $104.08
Q2 2022	22,208	$2,190	$115.03	$86.41 - $132.48
Q1 2022	4,166	$515	$102.15	$87.54 - $119.36
Q4 2021	3,325	$323	$91.08	$82.73 - $97.95
Q3 2021	5,930	$540	$79.74	$72.56 - $88.16
Q2 2021	3,043	$275	$90.14	$80.84 - $98.96
Q1 2021	15,735	$1,402	$80.32	$68.77 - $90.16
Q4 2020	786	$64	$68.91	$56.02 - $78.45
Q3 2020	772	$49	$54.23	$46.16 - $63.35
Q2 2020	744	$41	$42.05	$30.99 - $55.36
Q1 2020	929	$36	$51.06	$26.40 - $65.18