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Transaction Types Key To InsiderInsights' Infobase
 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
WESTLAKE CORP: WLK
Price: 3/6/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$103.19 $113.51 $56.33 $13,237 128 1,482 2.1% 16.8% 36.81% 74.41%
Exch Sector Industry Sub-Industry
NYSE Manufacturing Chemicals And Allied Products Industrial Organic Chemicals
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
BENDER MARK STEVEN
VP,CFO
JS
$168,129
1,156
---
8/14/24
---
$145.44
42,138
-2.7
D
R
8/15/24 - 11:00:45 am
2
    
 
BUESINGER ROBERT F
VP,TO
JS
$403,160
2,772
---
8/14/24
---
$145.44
21,923
-11.2
D
R
8/15/24 - 11:00:32 am
3
    
 
EDERINGTON L BENJAMIN
VP,GC,CAO
JB
---
2,938
---
8/13/24
---
---
59,426
5.2
D
R
8/15/24 - 11:00:58 am
4
    
 
BENDER MARK STEVEN
VP,CFO
JB
---
2,938
---
8/13/24
---
---
43,294
7.3
D
R
8/15/24 - 11:00:45 am
5
    
 
BUESINGER ROBERT F
VP,TO
JB
---
7,051
---
8/13/24
---
---
24,695
40.0
D
R
8/15/24 - 11:00:32 am
6
    
 
SABAT CAROLYN CHAO
DIR
JB
---
1,136
---
8/11/24
---
---
2,452
86.3
D
R
8/12/24 - 11:26:40 am
7
    
 
CHAO CATHERINE T
DIR
JB
---
1,136
---
8/11/24
---
---
4,452
34.3
D
R
8/12/24 - 11:26:24 am
8
    
 
SHEETS JEFFREY WAYNE
DIR
JB
---
1,136
---
8/11/24
---
---
11,631
10.8
D
R
8/12/24 - 11:26:04 am
9
    
 
NORTHCUTT R BRUCE
DIR
JB
---
1,136
---
8/11/24
---
---
20,055
6.0
D
R
8/12/24 - 11:25:43 am
10
    
 
LUBEL KIMBERLY S
DIR
JB
---
1,136
---
8/11/24
---
---
10,525
12.1
D
R
8/12/24 - 11:25:16 am
11
    
 
MCCOLLUM MARK A
DIR
JB
---
1,136
---
8/11/24
---
---
8,528
15.4
D
R
8/12/24 - 11:24:56 am
12
    
 
HAAS MARIUS
DIR
JB
---
1,136
---
8/11/24
---
---
11,631
10.8
D
R
8/12/24 - 11:24:27 am
13
    
 
GRAFF MICHAEL J
DIR
JB
---
1,136
---
8/11/24
---
---
20,014
6.0
D
R
8/12/24 - 11:24:09 am
14
    
 
CHAO DAVID TSUNG HUNG
DIR
JB
---
1,136
---
8/11/24
---
---
11,284
11.2
D
R
8/12/24 - 11:23:50 am
15
    
 
GILSON JEAN MARC
PR,CEO
3
---
---
---
7/15/24
---
---
---
---
---
---
7/15/24 - 12:15:07 pm
16
    
 
SABAT CAROLYN CHAO
DIR
JB
---
1,316
---
5/12/24
---
---
1,316
New
D
R
5/13/24 - 9:25:26 am
17
    
 
CHAO CATHERINE T
DIR
JB
---
1,316
---
5/12/24
---
---
3,316
65.8
D
R
5/13/24 - 9:22:59 am
18
1y
27
52%
4%
1
BUESINGER ROBERT F
VP,TO
S
$554,750
3,500
---
5/9/24
---
$158.50
17,644
-16.6
D
---
5/13/24 - 11:24:32 am
19
1y
27
52%
4%
1
BUESINGER ROBERT F
VP,TO
OS
$493,448
3,133
---
5/7/24
---
$157.50
21,144
-12.9
D
---
5/8/24 - 1:15:19 pm
20
    
 
BUESINGER ROBERT F
VP,TO
OE
$384,262
3,133
---
5/7/24
---
$122.65
24,277
14.8
D
---
5/8/24 - 1:15:19 pm
21
1y
38
45%
8%
2
BENDER MARK STEVEN
VP,CFO
S
$753,341
4,950
---
5/3/24
---
$152.19
40,356
-10.9
D
---
5/6/24 - 9:21:17 am
22
    
 
HOLY JEFFREY ADAM
VP,CAO
3
---
---
---
4/25/24
---
---
3,000
---
D
R
5/2/24 - 9:41:45 am
23
    
 
CHAO JAMES
CB,DIR
JS
---
36,632
---
3/28/24
---
---
45,193
-44.8
D
---
4/1/24 - 6:26:00 am
24
    
 
ZOELLER JOHNATHAN STEVAN
VP,CAO
OS
$98,921
657
---
3/21/24
---
$150.56
4,416
-13.0
D
---
3/22/24 - 2:55:01 pm
25
    
 
ZOELLER JOHNATHAN STEVAN
VP,CAO
OE
$65,699
657
---
3/21/24
$86.54
$122.65
5,073
14.9
D
---
3/22/24 - 2:55:01 pm
26
1y
27
52%
4%
1
BUESINGER ROBERT F
VP,TO
S
$560,371
3,878
---
3/15/24
---
$144.50
21,144
-15.5
D
---
3/18/24 - 10:09:24 am
27
1y
27
52%
4%
1
BUESINGER ROBERT F
VP,TO
S
$17,629
122
---
3/13/24
---
$144.50
25,022
-0.5
D
---
3/14/24 - 10:53:32 am
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