WESTLAKE CORP — 4 Filings
994 4 filings on record
This page lists all 4 filings submitted to the SEC by WESTLAKE CORP (WLK), sorted by most recent first. Each row links to the full filing on EdgarLookup. WESTLAKE CORP has filed 994 4 documents with the SEC since 2014. To view all SEC filings by WESTLAKE CORP, see the full filings list.
All
10-K
10-Q
144
3
3/A
4
4/A
424B4
424B5
425
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
DEF 14A
DEFA14A
DEFC14A
DFAN14A
DFRN14A
EFFECT
FWP
POS AM
POSASR
PRE 14A
PREC14A
PRRN14A
PX14A6G
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
SC 13G
SC 13G/A
SC TO-C
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 4 | 4 | 0001193125-26-084672 | Mar 2, 2026 | Feb 27, 2026 |
| 4 | 4 | 0001193125-26-065177 | Feb 24, 2026 | Feb 20, 2026 |
| 4 | 4 | 0001193125-26-063705 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-063700 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-063688 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-063669 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-063686 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-063659 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-063701 | Feb 23, 2026 | Feb 20, 2026 |
| 4 | 4 | 0001193125-26-063707 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-063663 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-059211 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059213 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059207 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059217 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059210 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059212 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059215 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-26-059219 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | 4 | 0001193125-25-329926 | Dec 23, 2025 | Dec 22, 2025 |
| 4 | 4 | 0001193125-25-314045 | Dec 10, 2025 | — |
| 4 | 4 | 0001193125-25-229590 | Oct 3, 2025 | Oct 1, 2025 |
| 4 | 4 | 0001299505-25-000007 | Aug 29, 2025 | Aug 28, 2025 |
| 4 | 4 | 0001974878-25-000004 | Aug 11, 2025 | Aug 8, 2025 |
| 4 | 4 | 0001447712-25-000007 | Aug 11, 2025 | Aug 8, 2025 |
| 4 | 4 | 0001231239-25-000005 | Aug 11, 2025 | Aug 8, 2025 |
| 4 | 4 | 0001448219-25-000004 | Aug 11, 2025 | Aug 8, 2025 |
| 4 | 4 | 0001215888-25-000005 | Aug 11, 2025 | Aug 8, 2025 |
| 4 | 4 | 0001307964-25-000004 | Aug 11, 2025 | Aug 8, 2025 |
| 4 | 4 | 0001726418-25-000004 | Aug 11, 2025 | Aug 8, 2025 |
| 4 | 4 | 0001974884-25-000004 | Aug 11, 2025 | Aug 8, 2025 |
| 4 | 4 | 0001457009-25-000004 | Aug 11, 2025 | Aug 8, 2025 |
| 4 | 4 | 0000950170-25-083572 | Jun 9, 2025 | Apr 22, 2025 |
| 4 | 4 | 0000950170-25-054370 | Apr 15, 2025 | Apr 11, 2025 |
| 4 | 4 | 0000950170-25-054371 | Apr 15, 2025 | Apr 11, 2025 |
| 4 | 4 | 0000950170-25-032487 | Mar 4, 2025 | Feb 28, 2025 |
| 4 | 4 | 0000950170-25-025489 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | 4 | 0000950170-25-025490 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | 4 | 0000950170-25-025491 | Feb 24, 2025 | Feb 21, 2025 |
| 4 | 4 | 0000950170-25-025478 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | 4 | 0000950170-25-025479 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | 4 | 0000950170-25-025477 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | 4 | 0000950170-25-025487 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | 4 | 0000950170-25-025486 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | 4 | 0000950170-25-025475 | Feb 24, 2025 | Feb 20, 2025 |
| 4 | 4 | 0000950170-25-024032 | Feb 20, 2025 | Feb 18, 2025 |
| 4 | 4 | 0000950170-25-024037 | Feb 20, 2025 | Feb 18, 2025 |
| 4 | 4 | 0000950170-25-024029 | Feb 20, 2025 | Feb 18, 2025 |
| 4 | 4 | 0000950170-25-024028 | Feb 20, 2025 | Feb 18, 2025 |
| 4 | 4 | 0000950170-25-024025 | Feb 20, 2025 | Feb 18, 2025 |