No trading signal. The CAO role change with an internal move of the incumbent suggests continuity, not disruption. Monitor the next 10-Q for any accounting policy changes, but this filing alone has no near-term catalyst.
Price Chart
Executive Summary
Westlake Corp appointed Tommy E. Darby as Vice President, Chief Accounting Officer, effective August 31, 2026. The incumbent, Jeffrey A. Holy, transitions to Vice President, Finance and Investor Relations. This is a routine internal restructuring of the finance function, not a departure or unexpected exit.
Key Facts
- Tommy E. Darby appointed VP & CAO effective August 31, 2026
- Jeffrey A. Holy transitions to VP, Finance and Investor Relations — not a departure
- Darby's annual salary: $440,000
- Sign-on RSU grant with fair value of $135,000, vesting August 31, 2029
Financial Impact
Compensation costs for the new CAO are approximately $440,000 salary plus incentives; no material impact on the $9.7B market cap company
Risk Factors
- No material risks identified from this filing
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 8 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 8-K Filing (WLK) — Batch item 1 | 0001193125-26-376996 |
| Document: 0001193125-26-376996-index-headers.html | 0001193125-26-376996 |
| Document: 0001193125-26-376996-index.html | 0001193125-26-376996 |
| Document: 0001193125-26-376996.txt | 0001193125-26-376996 |
| 8-K Filing (WLK) — Batch item 5 | 0001193125-26-376996 |
| Document: 0001193125-26-376996-index-headers.html | 0001193125-26-376996 |
| Document: 0001193125-26-376996-index.html | 0001193125-26-376996 |
| Document: 0001193125-26-376996.txt | 0001193125-26-376996 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 31, 2026 4w ago | 8-K | $74.23 $62.31 | ▼ −16.06% | ▼ −16.38% | $63.50 (−14.46%) |
Aug 14, 2026 6w ago | Press Release | $78.21 $70.02 | ▼ −10.47% | ▼ −8.49% | $63.50 (−18.81%) |
Aug 4, 2026 8w ago | 8-K | $80.63 $74.23 | ▼ −7.94% | ▼ −6.70% | $63.50 (−21.25%) |
Jul 21, 2026 10w ago | Press Release | $76.22 $77.52 | ▼ −1.71% | ▲ +0.86% | $63.50 (+16.69%) |
Jun 15, 2026 15w ago | 8-K | $84.33 $77.04 | ▼ −8.64% | ▼ −8.84% | $63.50 (−24.70%) |
Jun 14, 2026 15w ago | Institutional Cluster | $87.45 $76.07 | ▼ −13.01% | ▼ −12.26% | $63.50 (−27.39%) |
May 5, 2026 21w ago | 8-K | $104.29 $86.83 | ▲ +16.74% | ▲ +21.70% | $63.50 (+39.11%) |
Apr 20, 2026 23w ago | 8-K | $115.44 $91.46 | ▼ −20.77% | ▼ −25.69% | $63.50 (−44.99%) |
Apr 14, 2026 24w ago | 8-K | $117.84 $97.56 | ▲ +17.21% | ▲ +23.51% | $63.50 (+46.11%) |
Apr 6, 2026 25w ago | 8-K | $119.51 $114.07 | ▼ −4.55% | ▼ −13.53% | $63.50 (−46.87%) |
US Market Status
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