WESTLAKE CORP (WLK) Form 10-Q Quarterly Reports
WESTLAKE CORP (WLK) is a publicly traded company on the NYSE, categorized under SIC 2860 (Industrial Organic Chemicals). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: WLK
CIK: 1262823
Exchange: NYSE
SIC 2860: Industrial Organic Chemicals
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
Explore PCAOB Audit Intelligence →
Audit Firm
PricewaterhouseCoopers LLP
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerChelsea Hendrickson
Audit LocationHouston, Texas, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 8-K | 2026-09-29 | 2026-09-24 | 8-K | 0001262823-26-000067 | View SEC Doc Filr Page |
| 4 | 2026-09-01 | 2026-08-31 | 4 | 0001193125-26-377500 | View SEC Doc Filr Page |
| 3 | 2026-08-31 | 2026-08-31 | 3 | 0001193125-26-377110 | View SEC Doc Filr Page |
| 8-K | 2026-08-31 | 2026-08-31 | 8-K | 0001193125-26-376996 | View SEC Doc Filr Page |
| CERT | 2026-08-21 | — | NYSE TEXAS CERTIFICATION | 0000876882-26-000021 | View SEC Doc Filr Page |
| 8-A12B | 2026-08-21 | — | 8-A12B | 0001262823-26-000060 | View SEC Doc Filr Page |
| 4 | 2026-08-17 | 2026-08-14 | 4 | 0001193125-26-353632 | View SEC Doc Filr Page |
| 4 | 2026-08-17 | 2026-08-14 | 4 | 0001193125-26-353631 | View SEC Doc Filr Page |
| 4 | 2026-08-17 | 2026-08-14 | 4 | 0001193125-26-353630 | View SEC Doc Filr Page |
| 4 | 2026-08-17 | 2026-08-14 | 4 | 0001193125-26-353629 | View SEC Doc Filr Page |
| 4 | 2026-08-17 | 2026-08-14 | 4 | 0001193125-26-353628 | View SEC Doc Filr Page |
| 4 | 2026-08-17 | 2026-08-14 | 4 | 0001193125-26-353626 | View SEC Doc Filr Page |
| 4 | 2026-08-17 | 2026-08-14 | 4 | 0001193125-26-353625 | View SEC Doc Filr Page |
| 4 | 2026-08-17 | 2026-08-14 | 4 | 0001193125-26-353624 | View SEC Doc Filr Page |
| 4 | 2026-08-17 | 2026-08-14 | 4 | 0001193125-26-353623 | View SEC Doc Filr Page |
| 4 | 2026-08-17 | 2026-08-14 | 4 | 0001193125-26-353621 | View SEC Doc Filr Page |
| 4 | 2026-08-11 | 2026-08-11 | 4 | 0001193125-26-345140 | View SEC Doc Filr Page |
| 144 | 2026-08-11 | — | 144 Filing | 0001950047-26-007941 | View SEC Doc Filr Page |
| 4 | 2026-08-10 | 2026-08-08 | 4 | 0001193125-26-342011 | View SEC Doc Filr Page |
| 4 | 2026-08-10 | 2026-08-08 | 4 | 0001193125-26-342010 | View SEC Doc Filr Page |
| 4 | 2026-08-10 | 2026-08-08 | 4 | 0001193125-26-342008 | View SEC Doc Filr Page |
| 4 | 2026-08-10 | 2026-08-08 | 4 | 0001193125-26-342006 | View SEC Doc Filr Page |
| 4 | 2026-08-10 | 2026-08-08 | 4 | 0001193125-26-342004 | View SEC Doc Filr Page |
| 4 | 2026-08-10 | 2026-08-08 | 4 | 0001193125-26-342001 | View SEC Doc Filr Page |
| 4 | 2026-08-10 | 2026-08-08 | 4 | 0001193125-26-341999 | View SEC Doc Filr Page |