WESTLAKE CORP — 8-K Filings
224 8-K filings on record
This page lists all 8-K 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 224 8-K 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 |
|---|---|---|---|---|
| 8-K | 8-K | 0001262823-26-000008 | Feb 24, 2026 | — |
| 8-K | 8-K | 0001193125-26-064221 | Feb 23, 2026 | Feb 19, 2026 |
| 8-K | 8-K | 0001262823-26-000005 | Jan 6, 2026 | — |
| 8-K | 8-K | 0001193125-25-318445 | Dec 15, 2025 | Dec 12, 2025 |
| 8-K | 8-K | 0001193125-25-275790 | Nov 12, 2025 | Nov 10, 2025 |
| 8-K | 8-K | 0001193125-25-267207 | Nov 5, 2025 | Nov 4, 2025 |
| 8-K | 8-K | 0001193125-25-263753 | Nov 4, 2025 | — |
| 8-K | 8-K | 0001262823-25-000061 | Oct 30, 2025 | — |
| 8-K | 8-K | 0001262823-25-000056 | Aug 26, 2025 | — |
| 8-K | 8-K | 0001262823-25-000047 | Aug 5, 2025 | — |
| 8-K | 8-K | 0001262823-25-000043 | Jun 17, 2025 | — |
| 8-K | 8-K | 0001262823-25-000033 | May 12, 2025 | May 8, 2025 |
| 8-K | 8-K | 0001262823-25-000026 | May 2, 2025 | — |
| 8-K | 8-K | 0001262823-25-000020 | Apr 16, 2025 | Apr 11, 2025 |
| 8-K | 8-K | 0001262823-25-000015 | Mar 4, 2025 | Feb 28, 2025 |
| 8-K | 8-K | 0001262823-25-000005 | Feb 24, 2025 | — |
| 8-K | 8-K | 0001193125-24-274528 | Dec 11, 2024 | Dec 10, 2024 |
| 8-K | 8-K | 0001262823-24-000050 | Nov 5, 2024 | — |
| 8-K | 8-K | 0001193125-24-198308 | Aug 12, 2024 | Aug 8, 2024 |
| 8-K | 8-K | 0001262823-24-000041 | Aug 6, 2024 | — |
| 8-K | 8-K | 0001193125-24-186619 | Jul 29, 2024 | — |
| 8-K | 8-K | 0001193125-24-178846 | Jul 15, 2024 | — |
| 8-K | 8-K | 0001193125-24-172673 | Jul 1, 2024 | — |
| 8-K | 8-K | 0001262823-24-000033 | Jun 13, 2024 | — |
| 8-K | 8-K | 0001193125-24-149225 | May 29, 2024 | May 22, 2024 |
| 8-K | 8-K | 0001193125-24-137266 | May 13, 2024 | May 9, 2024 |
| 8-K | 8-K | 0001262823-24-000023 | May 1, 2024 | — |
| 8-K | 8-K | 0001193125-24-114209 | Apr 25, 2024 | — |
| 8-K | 8-K | 0001262823-24-000017 | Apr 3, 2024 | — |
| 8-K | 8-K | 0001262823-24-000006 | Feb 20, 2024 | — |
| 8-K | 8-K | 0001262823-24-000002 | Feb 6, 2024 | — |
| 8-K | 8-K | 0001262823-23-000037 | Nov 2, 2023 | — |
| 8-K | 8-K | 0001262823-23-000029 | Aug 3, 2023 | — |
| 8-K | 8-K | 0001193125-23-146155 | May 16, 2023 | May 11, 2023 |
| 8-K | 8-K | 0001262823-23-000017 | May 4, 2023 | — |
| 8-K | 8-K | 0001193125-23-092424 | Apr 5, 2023 | Apr 3, 2023 |
| 8-K | 8-K | 0001193125-23-043598 | Feb 21, 2023 | Feb 16, 2023 |
| 8-K | 8-K | 0001262823-23-000008 | Feb 21, 2023 | — |
| 8-K | 8-K | 0001262823-22-000050 | Nov 3, 2022 | — |
| 8-K | 8-K | 0001193125-22-220533 | Aug 15, 2022 | Aug 12, 2022 |
| 8-K | 8-K | 0001262823-22-000039 | Aug 2, 2022 | — |
| 8-K | 8-K | 0001193125-22-171147 | Jun 9, 2022 | — |
| 8-K | 8-K | 0001262823-22-000027 | May 13, 2022 | May 12, 2022 |
| 8-K | 8-K | 0001262823-22-000019 | May 3, 2022 | — |
| 8-K | 8-K | 0001262823-22-000011 | Feb 22, 2022 | — |
| 8-K | 8-K | 0001193125-22-046627 | Feb 18, 2022 | — |
| 8-K | 8-K | 0001193125-22-024134 | Feb 1, 2022 | — |
| 8-K | 8-K | 0001193125-21-339385 | Nov 24, 2021 | — |
| 8-K | 8-K | 0001262823-21-000068 | Nov 2, 2021 | — |
| 8-K | 8-K | 0001193125-21-289693 | Oct 1, 2021 | — |