// company-profile
Westlake Corp
WLK// activity-summary
Recent insider activity is bullish. Over the last 30 days, 1 insider purchased shares. Buying was led by Baksht Jonathan.
// 90-day insight
Over the last 90 days, Westlake Corp insiders bought $0 (4 transactions) and sold $2.8M (3 transactions).
- Most active insider: Bender Mark Steven with 4 transactions totaling $2.4M.
- Largest single sale: $1.8M by Bender Mark Steven on Mar 27, 2026.
Activity is mixed — buys and sales are roughly balanced.
Institutional Ownership
Top 13F-HR holders of Westlake Corp as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 15, 2026 | Baksht Jonathan | WLK | Award | 20,580 | $0.00 | $0K |
| May 13, 2026 | Bender Mark Steven | WLK | Tax Withholding | 5,284 | $97.34 | $514K |
| May 12, 2026 | Bender Mark Steven | WLK | Option Exercise | 13,164 | $0.00 | $0K |
| May 12, 2026 | Bender Mark Steven | WLK | Option Exercise | 13,164 | $0.00 | $0K |
| Apr 2, 2026 | Powers Brian John | WLK | Award | 1,961 | $0.00 | $0K |
45 more transactions hidden
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