Westlake (WLK) SEC Filings & 10K Form

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Recent Westlake SEC Filings

DateFilerForm TypeView
04/11/2024
11:28 AM
Westlake (Subject)
Form PX14A6G
04/11/2024
11:28 AM
AS YOU SOW (Filed by)
AS YOU SOW (Filed by)
Westlake (Subject)
Form PX14A6G
04/03/2024
3:30 PM
Westlake (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/01/2024
5:26 AM
Chao James (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/29/2024
10:00 AM
Westlake (Filer)
Form DEF 14A
03/29/2024
10:03 AM
Westlake (Filer)
Form DEFA14A
03/29/2024
10:06 AM
Westlake (Filer)
Form ARS
03/22/2024
1:55 PM
Westlake (Issuer)
Zoeller Johnathan Stevan (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/21/2024
4:39 PM
Westlake (Subject)
Zoeller Johnathan Stevan (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/18/2024
9:09 AM
Buesinger Robert F. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/14/2024
9:53 AM
Buesinger Robert F. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/11/2024
8:38 AM
Buesinger Robert F. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/11/2024
8:03 AM
Westlake (Issuer)
Zoeller Johnathan Stevan (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/08/2024
4:41 PM
Westlake (Subject)
Zoeller Johnathan Stevan (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/07/2024
7:32 AM
Bender Mark Steven (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/05/2024
4:32 PM
Bender Mark Steven (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/29/2024
4:45 PM
Buesinger Robert F. (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
02/28/2024
11:04 AM
Bender Mark Steven (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/21/2024
9:27 AM
Buesinger Robert F. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/21/2024
9:28 AM
Chao Albert (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/21/2024
9:28 AM
Chao James (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/21/2024
9:29 AM
Ederington L. Benjamin (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/21/2024
9:30 AM
Janssens Thomas J. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/21/2024
9:31 AM
Westlake (Issuer)
Zoeller Johnathan Stevan (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/21/2024
9:25 AM
Bender Mark Steven (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2024
5:40 PM
Janssens Thomas J. (Reporting)
Westlake (Issuer)
Form 4/A
02/20/2024
12:15 PM
Buesinger Robert F. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2024
8:05 AM
Chao Albert (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2024
8:07 AM
Westlake (Issuer)
Zoeller Johnathan Stevan (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2024
8:11 AM
Chao James (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2024
8:11 AM
Chao John Tsung-chen (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2024
8:11 AM
Ederington L. Benjamin (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2024
8:11 AM
Bender Mark Steven (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2024
8:12 AM
Janssens Thomas J. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2024
8:12 AM
Janssens Thomas J. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/20/2024
6:17 AM
Westlake (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/06/2024
3:47 PM
Westlake (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
12/01/2023
1:23 PM
Chao James (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/30/2023
4:38 PM
Chao James (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/17/2023
7:28 AM
Buesinger Robert F. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/14/2023
2:45 PM
Buesinger Robert F. (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
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11/02/2023
1:13 PM
Westlake (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
11/02/2023
6:29 AM
Westlake (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/15/2023
8:49 AM
Chao James (Reporting)
Westlake (Issuer)
Form 4/A
09/01/2023
9:11 AM
Chao Albert (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/01/2023
9:12 AM
Chao James (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/01/2023
9:14 AM
Chao Catherine T. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/01/2023
9:15 AM
Chao David Tsung-Hung (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/30/2023
4:53 PM
Chao Albert (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/30/2023
5:10 PM
Ederington L. Benjamin (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/30/2023
5:15 PM
Chao James (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/30/2023
9:50 AM
Buesinger Robert F. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/30/2023
7:56 AM
Janssens Thomas J. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/29/2023
4:31 PM
Janssens Thomas J. (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/24/2023
6:40 AM
Chao David Tsung-Hung (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/23/2023
5:07 PM
Chao David Tsung-Hung (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/15/2023
9:44 AM
Westlake (Issuer)
Zoeller Johnathan Stevan (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2023
8:18 AM
NORTHCUTT R BRUCE (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2023
8:18 AM
Sabat Carolyn Chao (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2023
8:19 AM
Sheets Jeffrey Wayne (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2023
8:14 AM
Chao Catherine T. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2023
8:15 AM
Chao David Tsung-Hung (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2023
8:16 AM
Graff Michael J (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2023
8:16 AM
Haas Marius (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2023
8:17 AM
Lubel Kimberly S (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/14/2023
8:17 AM
MCCOLLUM MARK A (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/09/2023
11:02 AM
Bender Mark Steven (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
08/07/2023
4:46 PM
Buesinger Robert F. (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
08/03/2023
2:08 PM
Westlake (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
08/03/2023
6:25 AM
Westlake (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/31/2023
11:28 AM
Westlake (Filer)
Form SD
Specialized Disclosure Report  
05/22/2023
9:34 AM
Westlake (Issuer)
Zoeller Johnathan Stevan (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/19/2023
5:00 PM
Westlake (Subject)
Zoeller Johnathan Stevan (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/16/2023
3:40 PM
Westlake (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/15/2023
8:15 AM
Chao Catherine T. (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/15/2023
8:15 AM
Sabat Carolyn Chao (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/11/2023
10:02 AM
Sabat Carolyn Chao (Reporting)
Westlake (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
05/11/2023
10:03 AM
Chao Catherine T. (Reporting)
Westlake (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
05/10/2023
6:42 AM
Bender Mark Steven (Reporting)
Westlake (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/08/2023
4:43 PM
Bender Mark Steven (Reporting)
Westlake (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
05/04/2023
1:13 PM
Westlake (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/04/2023
6:25 AM
Westlake (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
(Data available from 1/1/2016 forward)


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This page (NYSE:WLK) was last updated on 4/25/2024 by MarketBeat.com Staff

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