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Westlake Corp SEC Filings
What Westlake Corp has told the SEC happened, by the 8-K items and forms it filed under: when it reported results, who joined or left, what it bought or sold, and whether its auditor or its accounts ever changed.
WLK overview →Filings on file
131
since Nov 8, 2016
Warning signs
0
none filed
Last results
Aug 4, 2026
8-K item 2.02
Industry
Industrial Organic Chemicals
SIC 2860
Newest first
Each label is a form type or an 8-K item as filed; each row links to the filing.
| Filed | What it reports | Document |
|---|---|---|
| Aug 4, 2026 | Results announced 8-K | Read ↗ |
| May 5, 2026 | Results announced 8-K | Read ↗ |
| Feb 24, 2026 | Results announced 8-K | Read ↗ |
| Oct 30, 2025 | Results announced 8-K | Read ↗ |
| Aug 5, 2025 | Results announced 8-K | Read ↗ |
| May 2, 2025 | Results announced 8-K | Read ↗ |
| Feb 24, 2025 | Results announced 8-K | Read ↗ |
| Nov 5, 2024 | Results announced 8-K | Read ↗ |
| Aug 6, 2024 | Results announced 8-K | Read ↗ |
| May 1, 2024 | Results announced 8-K | Read ↗ |
| Feb 20, 2024 | Results announced 8-K | Read ↗ |
| Feb 6, 2024 | Results announced 8-K | Read ↗ |
| Nov 2, 2023 | Results announced 8-K | Read ↗ |
| Aug 3, 2023 | Results announced 8-K | Read ↗ |
| May 4, 2023 | Results announced 8-K | Read ↗ |
| Feb 21, 2023 | Results announced 8-K | Read ↗ |
| Nov 3, 2022 | Results announced 8-K | Read ↗ |
| Aug 2, 2022 | Results announced 8-K | Read ↗ |
| May 3, 2022 | Results announced 8-K | Read ↗ |
| Feb 22, 2022 | Results announced 8-K | Read ↗ |
| Nov 2, 2021 | Results announced 8-K | Read ↗ |
| Aug 3, 2021 | Results announced 8-K | Read ↗ |
| May 4, 2021 | Results announced 8-K | Read ↗ |
| Feb 23, 2021 | Results announced 8-K | Read ↗ |
| Nov 3, 2020 | Results announced 8-K | Read ↗ |
| Aug 6, 2020 | Results announced 8-K | Read ↗ |
| May 4, 2020 | Results announced 8-K | Read ↗ |
| Feb 18, 2020 | Results announced 8-K | Read ↗ |
| Nov 5, 2019 | Results announced 8-K | Read ↗ |
| Aug 6, 2019 | Results announced 8-K | Read ↗ |
| Jul 1, 2019 | Results announced 8-K | Read ↗ |
| May 2, 2019 | Results announced 8-K | Read ↗ |
| Feb 19, 2019 | Results announced 8-K | Read ↗ |
| Nov 6, 2018 | Results announced 8-K | Read ↗ |
| Aug 2, 2018 | Results announced 8-K | Read ↗ |
| May 3, 2018 | Results announced 8-K | Read ↗ |
| Feb 20, 2018 | Results announced 8-K | Read ↗ |
| Nov 7, 2017 | Results announced 8-K | Read ↗ |
| Aug 3, 2017 | Results announced 8-K | Read ↗ |
| May 2, 2017 | Results announced 8-K | Read ↗ |
| Feb 21, 2017 | Results announced 8-K | Read ↗ |
| Nov 8, 2016 | Results announced 8-K | Read ↗ |
Source: Westlake Corp's EDGAR filing history, the last ten years. The labels are the form types and 8-K item numbers the company filed under, not a reading of what it wrote — an item 5.02 can be a chief executive fired or a director retiring on schedule — so each row links to the filing.
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