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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: 2/21/25 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
$109.71 $162.64 $108.56 $14,120 129 591 1.9% 4.5% 27.88% 73.49%
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
    
 
NORTHCUTT R BRUCE
DIR
JB
---
1,446
---
8/12/23
---
---
18,919
8.3
D
R
8/14/23 - 9:18:33 am
2
    
 
MCCOLLUM MARK A
DIR
JB
---
1,446
---
8/12/23
---
---
7,392
24.3
D
R
8/14/23 - 9:17:58 am
3
    
 
LUBEL KIMBERLY S
DIR
JB
---
1,446
---
8/12/23
---
---
9,389
18.2
D
R
8/14/23 - 9:17:27 am
4
    
 
HAAS MARIUS
DIR
JB
---
1,446
---
8/12/23
---
---
10,495
16.0
D
R
8/14/23 - 9:16:42 am
5
    
 
GRAFF MICHAEL J
DIR
JB
---
1,446
---
8/12/23
---
---
18,878
8.3
D
R
8/14/23 - 9:16:07 am
6
    
 
CHAO DAVID TSUNG HUNG
DIR,BO
JB
---
1,446
---
8/12/23
---
---
11,148
14.9
D
R
8/14/23 - 9:15:23 am
7
1y
35
40%
12%
2
BENDER MARK STEVEN
VP,CFO
OS
$3,287,616
24,639
---
8/7/23
$132.43
$133.99
44,400
-35.7
D
---
8/9/23 - 12:02:03 pm
8
    
 
BENDER MARK STEVEN
VP,CFO
OE
$2,387,453
24,639
---
8/7/23
---
$86.54
69,039
55.5
D
---
8/9/23 - 12:02:03 pm
9
    
 
ZOELLER JOHNATHAN STEVAN
VP,CAO
OS
$229,004
1,963
---
5/19/23
---
$116.66
2,116
-48.1
D
---
5/22/23 - 10:34:59 am
10
    
 
ZOELLER JOHNATHAN STEVAN
VP,CAO
OE
$169,874
1,963
---
5/19/23
---
$86.54
4,079
92.8
D
---
5/22/23 - 10:34:59 am
11
    
 
CHAO CATHERINE T
DIR,BO
3
---
---
---
5/11/23
---
---
93,405,552
---
I
---
5/11/23 - 11:03:14 am
12
    
 
CHAO CATHERINE T
DIR,BO
3
---
---
---
5/11/23
---
---
2,000
---
D
---
5/11/23 - 11:03:14 am
13
    
 
SABAT CAROLYN CHAO
DIR,BO
3
---
---
---
5/11/23
---
---
93,405,552
---
I
---
5/11/23 - 11:02:23 am
14
1y
35
40%
12%
2
BENDER MARK STEVEN
VP,CFO
OS
$130,109
1,084
---
5/8/23
---
$120.03
44,400
-2.4
D
---
5/10/23 - 7:42:15 am
15
    
 
BENDER MARK STEVEN
VP,CFO
OE
$71,341
1,084
---
5/8/23
---
$65.81
45,484
2.4
D
---
5/10/23 - 7:42:15 am
16
    
 
ZOELLER JOHNATHAN STEVAN
VP,CAO
JS
$39,386
377
---
3/13/23
$104.32
$107.32
2,116
-15.1
D
A
3/15/23 - 3:23:36 pm
17
    
 
KEARNS ROGER L
COO,VP
JS
$619,868
5,936
---
3/13/23
$104.32
$106.41
39,849
-13.0
D
A
3/15/23 - 3:22:23 pm
18
    
 
JANSSENS THOMAS J
VP,OO
JS
$101,475
972
---
3/13/23
$104.32
$105.86
9,531
-9.3
D
A
3/15/23 - 3:21:29 pm
19
    
 
EDERINGTON L BENJAMIN
VP,GC,CAO,SEC
JS
$483,855
4,636
---
3/13/23
$104.32
$105.29
47,916
-8.8
D
A
3/15/23 - 3:20:31 pm
20
    
 
CHAO JAMES
CB,DIR,BO
JS
$1,630,639
15,625
---
3/13/23
$104.32
$105.13
120,640
-11.5
D
A
3/15/23 - 3:19:25 pm
21
    
 
CHAO ALBERT
PR,CEO,DIR,BO
JS
$2,292,958
21,976
---
3/13/23
$104.32
$104.70
520,148
-4.1
D
A
3/15/23 - 3:18:22 pm
22
    
 
BUESINGER ROBERT F
VP,TO
JS
$495,957
4,752
---
3/13/23
$104.32
$105.27
20,969
-18.5
D
A
3/15/23 - 3:17:10 pm
23
    
 
BENDER MARK STEVEN
VP,CFO
JS
$629,392
6,032
---
3/13/23
$104.32
$104.76
44,400
-12.0
D
A
3/15/23 - 3:16:02 pm
24
    
 
ZOELLER JOHNATHAN STEVAN
VP,CAO
OS
$203,772
1,689
---
2/27/23
---
$120.65
2,493
-40.4
D
---
2/28/23 - 9:51:02 am
25
    
 
ZOELLER JOHNATHAN STEVAN
VP,CAO
OE
$120,283
1,689
---
2/27/23
---
$65.81
4,182
67.7
D
---
2/28/23 - 9:51:02 am
26
1y
35
40%
12%
2
BENDER MARK STEVEN
VP,CFO
OS
$361,500
3,000
---
2/27/23
---
$120.50
50,432
-5.6
D
---
2/28/23 - 9:50:38 am
27
    
 
BENDER MARK STEVEN
VP,CFO
OE
$197,438
3,000
---
2/27/23
---
$65.81
53,432
5.9
D
---
2/28/23 - 9:50:38 am
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