WLK
Westlake·NYSE
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WLK Filings
Filing Date
Form Description
Form Type
2026-01-06
Form 8-K - Current report
Key Events
2026-01-06 · Key Events
Form 8-K - Current report
2025-12-23
Form 4 - Statement of changes in beneficial ownership of securities
Ownership
2025-12-23 · Ownership
Form 4 - Statement of changes in beneficial ownership of securities
2025-12-22
Form 144 - Report of proposed sale of securities
Ownership
2025-12-22 · Ownership
Form 144 - Report of proposed sale of securities
2025-12-15
Form 8-K - Current report
Key Events
2025-12-15 · Key Events
Form 8-K - Current report
2025-11-12
Form 8-K - Current report
Key Events
2025-11-12 · Key Events
Form 8-K - Current report
2025-11-05
Form 8-K - Current report
Key Events
2025-11-05 · Key Events
Form 8-K - Current report
2025-11-05
Form 424B5 - Prospectus [Rule 424(b)(5)]
2025-11-05 ·
Form 424B5 - Prospectus [Rule 424(b)(5)]
2025-11-04
Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses
2025-11-04 ·
Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses
2025-11-04
Form 8-K - Current report
Key Events
2025-11-04 · Key Events
Form 8-K - Current report
2025-11-04
Form 424B5 - Prospectus [Rule 424(b)(5)]
2025-11-04 ·
Form 424B5 - Prospectus [Rule 424(b)(5)]
