Monitor for actual sales via Form 4 filings; while this is a routine divestment of vested equity awards, the size and timing relative to earnings or market conditions could signal sentiment if sales proceed.
Price Chart
Executive Summary
Mark Bender, an officer of Westlake Corp, filed a Form 144 to notify the SEC of his intent to sell up to 31,756 shares of common stock, valued at approximately $3.17 million based on recent market prices. The shares are set to be sold on or after February 17, 2026, with the filing submitted on March 27, 2026.
Key Facts
- Reporting owner: Mark Bender, Officer of Westlake Corp
- Total shares proposed for sale: 31,756 (30,102 + 445 + 1,209)
- Total approximate value of shares: $3,164,897.94
- Shares to be sold on or after: February 17, 2026
- Filing date: March 27, 2026
- Shares originated from restricted stock and performance share awards granted between 2020 and 2025
Financial Impact
Approximately $3.16 million in potential insider selling
Risk Factors
- Potential negative perception if sales occur near market peaks or ahead of weak earnings
- No guarantee that the proposed sale will be executed as planned
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-003039 |
| Document: 0001950047-26-003039-index.html | 0001950047-26-003039 |
| Document: 0001950047-26-003039.txt | 0001950047-26-003039 |
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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