---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-114209"
form_type: "8-K"
ticker: "WLK"
cik: "0001262823"
company_name: "WESTLAKE CORP"
filed_at: "2024-04-25T23:59:59+00:00"
generated_at: "2026-06-03T07:35:00.749113+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Westlake swaps Treasurer and CAO roles between Jeff Holy and Johnathan Zoeller

## Summary
- Jeff Holy transitions from VP & Treasurer to VP & Chief Accounting Officer, effective April 25, 2024.
- Johnathan Zoeller moves from VP & Chief Accounting Officer to VP & Treasurer.
- Holy becomes principal accounting officer; Zoeller assumes treasurer duties.
- Both officers remain with Westlake; no departures or external hires reported.

## SEC filing metadata
- accession: 0001193125-24-114209
- form_type: 8-K
- ticker: WLK
- cik: 0001262823
- company_name: WESTLAKE CORP
- filed_at: 2024-04-25T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1262823/000119312524114209/0001193125-24-114209-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1262823/000119312524114209/d812147d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-114209
- JSON: https://secwatch.observer/filing/0001193125-24-114209.json
- Plain text: https://secwatch.observer/filing/0001193125-24-114209.txt

## Key facts
- Executive change
  Johnathan Zoeller changed role as Vice President and Treasurer at WESTLAKE CORP.
  - Action: transitioned
  - Role: Vice President and Treasurer
  source text: Mr. Holy transitioned to the position of Vice President, Chief Accounting Officer from his prior role as Vice President and Treasurer. Mr. Zoeller transitioned to the position of Vice President and Treasurer from his prior role as Vice President, Chief Accounting Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1262823/000119312524114209/0001193125-24-114209-index.htm
- Executive change
  Jeff Holy changed role as Vice President, Chief Accounting Officer at WESTLAKE CORP.
  - Action: transitioned
  - Role: Vice President, Chief Accounting Officer
  source text: Mr. Holy transitioned to the position of Vice President, Chief Accounting Officer from his prior role as Vice President and Treasurer. Mr. Zoeller transitioned to the position of Vice President and Treasurer from his prior role as Vice President, Chief Accounting Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1262823/000119312524114209/0001193125-24-114209-index.htm

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