09/03/2024 8:39 AM | Chao James (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/26/2024 8:40 AM | Janssens Thomas J. (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/23/2024 4:53 PM | Janssens Thomas J. (Reporting) Westlake (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
08/19/2024 1:50 PM | Chao Albert (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/15/2024 10:00 AM | Buesinger Robert F. (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/15/2024 10:00 AM | Bender Mark Steven (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/15/2024 10:00 AM | Ederington L. Benjamin (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
|
08/12/2024 10:26 AM | Sabat Carolyn Chao (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/12/2024 10:23 AM | Chao David Tsung-Hung (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/12/2024 10:24 AM | Graff Michael J (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/12/2024 10:24 AM | Haas Marius (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/12/2024 10:24 AM | MCCOLLUM MARK A (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/12/2024 10:25 AM | Lubel Kimberly S (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/12/2024 10:25 AM | NORTHCUTT R BRUCE (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/12/2024 10:26 AM | Sheets Jeffrey Wayne (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/12/2024 10:26 AM | Chao Catherine T. (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
08/12/2024 5:07 AM | Westlake (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
08/09/2024 11:30 AM | Westlake (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
08/06/2024 6:25 AM | Westlake (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/29/2024 5:04 AM | Westlake (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/16/2024 1:00 PM | Gilson Jean-Marc (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
07/15/2024 11:15 AM | Gilson Jean-Marc (Reporting) Westlake (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
07/15/2024 7:32 AM | Westlake (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
07/01/2024 5:05 AM | Westlake (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
06/13/2024 7:55 AM | Westlake (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/29/2024 3:33 PM | Westlake (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/13/2024 3:31 PM | Westlake (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
05/13/2024 10:24 AM | Buesinger Robert F. (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/13/2024 8:22 AM | Chao Catherine T. (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/13/2024 8:25 AM | Sabat Carolyn Chao (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/08/2024 12:15 PM | Buesinger Robert F. (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/06/2024 5:20 PM | Buesinger Robert F. (Reporting) Westlake (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/06/2024 8:21 AM | Bender Mark Steven (Reporting) Westlake (Issuer)
| Form 4 Statement of changes in beneficial ownership of securities | |
05/03/2024 2:26 PM | Bender Mark Steven (Reporting) Westlake (Subject)
| Form 144 Notice of proposed sale of securities pursuant to Rule 144 | |
05/02/2024 12:28 PM | Westlake (Filer)
| Form 10-Q General form for quarterly reports under Section 13 or 15(d) | |
05/02/2024 8:41 AM | Holy Jeffrey Adam (Reporting) Westlake (Issuer)
| Form 3 Initial statement of beneficial ownership of securities | |
05/01/2024 6:27 AM | Westlake (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
04/25/2024 3:59 PM | Westlake (Filer)
| Form 8-K Current report pursuant to Section 13 or 15(d) | |
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) | |
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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 | |
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 | |