---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-275790"
form_type: "8-K"
ticker: "WLK"
cik: "0001262823"
company_name: "WESTLAKE CORP"
filed_at: "2025-11-12T23:59:59+00:00"
generated_at: "2026-05-16T20:56:09.789971+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# Westlake completes cash tender offer for 3.600% Senior Notes due 2026; $264.5M tendered

## Summary
- Tendered $253.73M principal of 3.600% Senior Notes due 2026, plus $10.73M via guaranteed delivery; Consideration $996.32 per $1,000.
- Total outstanding $750M; tendered amount represents ~35.3% of notes.
- Settlement expected Nov 12, 2025 for regular tenders, Nov 14 for guaranteed delivery.
- J.P. Morgan and Wells Fargo acted as dealer managers.
- Accrued interest paid to but not including settlement date; interest ceases on settlement.

## SEC filing metadata
- accession: 0001193125-25-275790
- form_type: 8-K
- ticker: WLK
- cik: 0001262823
- company_name: WESTLAKE CORP
- filed_at: 2025-11-12T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1262823/000119312525275790/0001193125-25-275790-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1262823/000119312525275790/d83188d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-275790
- JSON: https://secwatch.observer/filing/0001193125-25-275790.json
- Plain text: https://secwatch.observer/filing/0001193125-25-275790.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.