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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
WESTLAKE CHEMICAL PARTNERS LP: WLKP
Price: 8/21/26 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
$21.56 $23.88 $17.75 $760 35 32 8.8% 0.5% 29.09% 44.85%
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
    
 
FRIEL LISA A
DIR
JS
$53,418
2,502
---
8/6/26
---
$21.35
9,666
-20.6
D
---
8/7/26 - 7:35:35 am
2
    
 
FRIEL LISA A
DIR
JB
---
5,005
---
8/6/26
---
---
12,168
69.9
D
---
8/7/26 - 7:35:35 am
3
    
 
WOELFEL RANDY
DIR
JS
$106,857
5,005
---
8/6/26
---
$21.35
23,913
-17.3
D
---
8/7/26 - 7:34:45 am
4
    
 
WOELFEL RANDY
DIR
JB
---
5,005
---
8/6/26
---
---
28,918
20.9
D
---
8/7/26 - 7:34:45 am
5
    
 
FINLEY G STEPHEN
DIR
JB
---
5,005
---
8/6/26
---
---
36,935
15.7
D
---
8/7/26 - 7:32:38 am
6
    
 
BAKSHT JONATHAN
VP,CFO,DIR
3
---
---
---
6/15/26
---
---
---
---
---
---
6/15/26 - 4:40:35 pm
7
    
 
GILSON JEAN MARC
PR,CEO,DIR
JB*
$2,025
95
---
8/27/25
---
$21.25
11,803
0.8
D
---
8/29/25 - 3:36:25 pm
8
    
 
GILSON JEAN MARC
PR,CEO,DIR
B
$54,859
2,500
8/20/25
8/21/25
$21.86
$22.02
11,708
27.1
D
---
8/28/25 - 8:33:56 am
9
    
 
GILSON JEAN MARC
PR,CEO,DIR
JB*
$102,653
4,700
---
8/15/25
---
$21.84
9,208
104.3
D
---
8/28/25 - 8:33:56 am
10
    
 
WOELFEL RANDY
DIR
JS
$107,209
4,882
---
8/7/25
---
$21.96
23,913
-17.0
D
---
8/8/25 - 10:19:58 am
11
    
 
WOELFEL RANDY
DIR
JB
---
4,882
---
8/7/25
---
---
28,795
20.4
D
---
8/8/25 - 10:19:58 am
12
    
 
FRIEL LISA A
DIR
JS
$53,604
2,441
---
8/7/25
---
$21.96
7,163
-25.4
D
---
8/8/25 - 10:19:36 am
13
    
 
FRIEL LISA A
DIR
JB
---
4,882
---
8/7/25
---
---
9,604
103.4
D
---
8/8/25 - 10:19:36 am
14
    
 
FINLEY G STEPHEN
DIR
JB
---
4,882
---
8/7/25
---
---
31,930
18.0
D
---
8/8/25 - 10:19:18 am
15
    
 
MOORE AMY ELLENDER
VP
3
---
---
---
8/6/25
---
---
---
---
---
---
8/7/25 - 7:56:09 am
16
    
 
GILSON JEAN MARC
PR,CEO,DIR
JB
$2,081
94
---
5/29/25
---
$22.20
4,508
2.1
D
---
8/28/25 - 8:33:56 am
17
1y
3
33%
-4%
2
CHAO JAMES
CB,DIR
S
$81,770
3,700
---
5/29/25
---
$22.10
---
All
D
---
5/30/25 - 9:16:27 am
18
1y
3
33%
-4%
2
CHAO JAMES
CB,DIR
S
$225,989
10,208
5/27/25
5/28/25
---
$22.10
3,700
-73.4
D
---
5/29/25 - 12:17:08 pm
19
    
 
GILSON JEAN MARC
PR,CEO,DIR
JB*
$2,042
83
---
2/25/25
---
$24.75
4,414
1.9
D
---
8/28/25 - 8:33:56 am
20
    
 
GILSON JEAN MARC
PR,CEO,DIR
JB*
$2,002
85
---
11/27/24
---
$23.57
4,332
2.0
D
---
8/28/25 - 8:33:56 am
21
    
 
GILSON JEAN MARC
PR,CEO,DIR
B
$22,830
1,000
---
8/29/24
---
$22.83
3,927
34.2
D
---
9/3/24 - 9:39:37 am
22
    
 
GILSON JEAN MARC
PR,CEO,DIR
B
$7,344
320
---
8/28/24
---
$22.95
3,427
10.3
D
A
8/28/25 - 8:33:42 am
23
    
 
GILSON JEAN MARC
PR,CEO,DIR
B
$45,843
2,000
8/26/24
8/28/24
$22.84
$22.94
2,927
215.7
D
---
8/28/24 - 5:25:29 pm
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