WESTLAKE CORP - WLK
All tracked SEC files for this issuer. Showing up to 200 latest records.
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Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 36
Latest filed: Sep 29, 2026
| Form | Count |
|---|---|
| 4 | 24 |
| 8-K | 11 |
| 144 | 1 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Sep 29, 2026 | 8-K | Sep 24, 2026 | 0001262823-26-000067 | View |
| Sep 01, 2026 | 4 | Aug 31, 2026 | 0001193125-26-377500 | View |
| Aug 31, 2026 | 8-K | Aug 31, 2026 | 0001193125-26-376996 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001193125-26-353632 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001193125-26-353631 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001193125-26-353630 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001193125-26-353629 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001193125-26-353628 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001193125-26-353626 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001193125-26-353625 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001193125-26-353624 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001193125-26-353623 | View |
| Aug 17, 2026 | 4 | Aug 14, 2026 | 0001193125-26-353621 | View |
| Aug 11, 2026 | 4 | Aug 11, 2026 | 0001193125-26-345140 | View |
| Aug 11, 2026 | 144 | — | 0001950047-26-007941 | View |
| Aug 10, 2026 | 4 | Aug 08, 2026 | 0001193125-26-341996 | View |
| Aug 10, 2026 | 4 | Aug 08, 2026 | 0001193125-26-341997 | View |
| Aug 10, 2026 | 4 | Aug 08, 2026 | 0001193125-26-341999 | View |
| Aug 10, 2026 | 4 | Aug 08, 2026 | 0001193125-26-342001 | View |
| Aug 10, 2026 | 4 | Aug 08, 2026 | 0001193125-26-342004 | View |
| Aug 10, 2026 | 4 | Aug 08, 2026 | 0001193125-26-342006 | View |
| Aug 10, 2026 | 4 | Aug 08, 2026 | 0001193125-26-342008 | View |
| Aug 10, 2026 | 4 | Aug 08, 2026 | 0001193125-26-342010 | View |
| Aug 10, 2026 | 4 | Aug 08, 2026 | 0001193125-26-342011 | View |
| Aug 04, 2026 | 8-K | Aug 04, 2026 | 0001262823-26-000026 | View |
| Jul 29, 2026 | 8-K | Jul 29, 2026 | 0001193125-26-324110 | View |
| Jun 16, 2026 | 4 | Jun 15, 2026 | 0001193125-26-272102 | View |
| Jun 15, 2026 | 8-K | Jun 15, 2026 | 0001193125-26-271206 | View |
| May 18, 2026 | 8-K | May 14, 2026 | 0001193125-26-229093 | View |
| May 14, 2026 | 4 | May 12, 2026 | 0001193125-26-223323 | View |
| May 05, 2026 | 8-K | May 05, 2026 | 0001262823-26-000019 | View |
| May 01, 2026 | 8-K | Apr 27, 2026 | 0001193125-26-199067 | View |
| Apr 20, 2026 | 8-K | Apr 15, 2026 | 0001193125-26-164225 | View |
| Apr 14, 2026 | 8-K | Apr 13, 2026 | 0001193125-26-153703 | View |
| Apr 06, 2026 | 4 | Apr 02, 2026 | 0002126961-26-000004 | View |
| Apr 06, 2026 | 8-K | Apr 02, 2026 | 0001193125-26-142822 | View |