Friday 6 November 2026
Export WLK’s income statement to Excel — free account
Westlake Corporation
WLK Basic Materials Specialty Chemicals
Westlake Corporation’s revenue for fiscal 2025 (year ended December 2025) was $11.2 billion, down 8.01% from fiscal 2024.
- Revenue
- +5.04%
- EPS
- +102.3%
- Free cash flow
- +486.0%
- Total debt
- +8.76%
Quarter to September 2026, against a year earlier
66.38
1.52
−2.24%
Follow WLK
Alert me
Westlake Corporation (WLK) SEC filings, changes and red flags
Red flags
-
Officer departure
Westlake Corporation reported the departure of an officer or director
-
Impairment
Westlake Corporation recorded a goodwill impairment of $727.0 million in fiscal Q3 2025
Filings
| Form | Period | Filed | What it reports | Flags |
|---|---|---|---|---|
| 10-Q | Sep 30, 2026 |
P1I2: 10 added · 11 removed · 27 modified P2I1A: no changes |
||
| 8-K | Nov 4, 2026 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Sep 24, 2026 | 2.05 Costs of exit or disposal activities; 7.01 Regulation FD disclosure | ||
| 8-K | Aug 31, 2026 | 5.02 Departure or appointment of directors or officers | Officer departure | |
| 10-Q | Jun 30, 2026 |
P1I2: 15 added · 7 removed · 31 modified P2I1A: no changes |
||
| 8-K | Aug 4, 2026 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Jul 29, 2026 | 8.01 Other events | ||
| 8-K | Jun 15, 2026 | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | May 14, 2026 | 5.07 Submission of matters to a vote of security holders | ||
| 10-Q | Mar 31, 2026 | |||
| 8-K | May 5, 2026 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Apr 27, 2026 | 7.01 Regulation FD disclosure | ||
| 8-K | Apr 15, 2026 | 5.02 Departure or appointment of directors or officers; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Apr 13, 2026 | 8.01 Other events | ||
| 8-K | Apr 2, 2026 | 1.01 Entry into a material definitive agreement; 1.02 Termination of a material definitive agreement; 2.03 Creation of a direct financial obligation; 9.01 Financial statements and exhibits | ||
| 8-K | Mar 30, 2026 | 5.02 Departure or appointment of directors or officers | ||
| 10-K | Dec 31, 2025 |
1: 16 added · 17 removed · 52 modified 1A: 10 added · 74 removed · 67 modified 7: 31 added · 61 removed · 40 modified |
||
| 8-K | Feb 24, 2026 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Feb 19, 2026 | 5.02 Departure or appointment of directors or officers; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Jan 6, 2026 | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Dec 12, 2025 | 2.05 Costs of exit or disposal activities; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Nov 10, 2025 | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Nov 4, 2025 | 1.01 Entry into a material definitive agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Nov 4, 2025 | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 10-Q | Sep 30, 2025 | Impairment | ||
| 8-K | Oct 30, 2025 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 10-Q | Jun 30, 2025 | |||
| 8-K | Aug 5, 2025 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 10-Q | Mar 31, 2025 | |||
| 8-K | May 2, 2025 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 10-K | Dec 31, 2024 | |||
| 8-K | Feb 24, 2025 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 10-Q | Sep 30, 2024 | |||
| 8-K | Nov 5, 2024 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 10-Q | Jun 30, 2024 | |||
| 8-K | Aug 6, 2024 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | May 1, 2024 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Feb 20, 2024 | 2.02 Results of operations and financial condition; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | ||
| 8-K | Feb 6, 2024 | 2.02 Results of operations and financial condition |