Insider Trading for WLK
View recent insider trading activity including purchases, sales, and awards. Insider trading can provide insights into how executives view their company's prospects.
Insider Trading Summary
Shares Acquired
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Shares Disposed
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Net Position
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Recent Activity (30 Days)
No insider transactions in the past 30 days.
Quarterly Activity (3 Months)
Acquisitions: 33.7K shares
Dispositions: 18.4K shares
Net: 15.3K shares
Insiders have been net buyers over the quarter, suggesting potential confidence in medium-term business fundamentals.
Key Insider Activity: Feb 16, 2022 to Jun 15, 2026
Gilson Jean-Marc
ExecutiveChief Executive Officer
+138.9K shares
2 transactions
Bender Mark Steven
ExecutiveChief Financial Officer
-16.7K shares
19 transactions
Ederington L. Benjamin
ExecutiveVice President
+32.7K shares
7 transactions
Chao James
ExecutiveDirector, Officer: Senior Chairman
+19.4K shares
8 transactions
Chao Albert
ExecutiveDirector, Officer: Executive Chairman
+27.5K shares
12 transactions
Transaction Details
| Date | Insider | Role | Transaction | Shares | Price | Value | Owned After | SEC Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 15, 2026 | Baksht Jonathan | EChief Financial Officer | Award/Grant | 20.6K | $0.00 | $0.00 | 20.6K | View |
| Jun 15, 2026 | Baksht Jonathan | Unknown | Unknown | 0 | $0.00 | $0.00 | 0 | View |
| May 13, 2026 | Bender Mark Steven | EChief Financial Officer | Payment In Kind | 5.3K | $97.34 | $514,344.56 | 35.9K | View |
May 12, 2026 | Locked | — | — | — | — | — | — | — |
May 12, 2026 | Locked | — | — | — | — | — | — | — |
Apr 2, 2026 | Locked | — | — | — | — | — | — | — |
Apr 2, 2026 | Locked | — | — | — | — | — | — | — |
Apr 2, 2026 | Locked | — | — | — | — | — | — | — |
Mar 27, 2026 | Locked | — | — | — | — | — | — | — |
Mar 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 27, 2026 | Locked | — | — | — | — | — | — | — |
Feb 20, 2026 | Locked | — | — | — | — | — | — | — |
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Feb 20, 2026 | Locked | — | — | — | — | — | — | — |
Feb 19, 2026 | Locked | — | — | — | — | — | — | — |
Feb 19, 2026 | Locked | — | — | — | — | — | — | — |
Feb 19, 2026 | Locked | — | — | — | — | — | — | — |
Feb 19, 2026 | Locked | — | — | — | — | — | — | — |
Feb 19, 2026 | Locked | — | — | — | — | — | — | — |
Feb 19, 2026 | Locked | — | — | — | — | — | — | — |
Feb 19, 2026 | Locked | — | — | — | — | — | — | — |
Feb 19, 2026 | Locked | — | — | — | — | — | — | — |
Feb 18, 2026 | Locked | — | — | — | — | — | — | — |
Feb 18, 2026 | Locked | — | — | — | — | — | — | — |
Feb 18, 2026 | Locked | — | — | — | — | — | — | — |
Feb 18, 2026 | Locked | — | — | — | — | — | — | — |
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Feb 18, 2026 | Locked | — | — | — | — | — | — | — |
Feb 18, 2026 | Locked | — | — | — | — | — | — | — |
Feb 18, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
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Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Feb 17, 2026 | Locked | — | — | — | — | — | — | — |
Dec 22, 2025 | Locked | — | — | — | — | — | — | — |
Dec 22, 2025 | Locked | — | — | — | — | — | — | — |
Dec 22, 2025 | Locked | — | — | — | — | — | — | — |
Dec 22, 2025 | Locked | — | — | — | — | — | — | — |
Dec 22, 2025 | Locked | — | — | — | — | — | — | — |
Dec 10, 2025 | Locked | — | — | — | — | — | — | — |
Dec 10, 2025 | Locked | — | — | — | — | — | — | — |
Oct 2, 2025 | Locked | — | — | — | — | — | — | — |
Oct 1, 2025 | Locked | — | — | — | — | — | — | — |
Oct 1, 2025 | Locked | — | — | — | — | — | — | — |
Aug 28, 2025 | Locked | — | — | — | — | — | — | — |
Aug 9, 2025 | Locked | — | — | — | — | — | — | — |
Aug 9, 2025 | Locked | — | — | — | — | — | — | — |
Aug 9, 2025 | Locked | — | — | — | — | — | — | — |
Aug 9, 2025 | Locked | — | — | — | — | — | — | — |
Aug 9, 2025 | Locked | — | — | — | — | — | — | — |
Aug 9, 2025 | Locked | — | — | — | — | — | — | — |
Aug 8, 2025 | Locked | — | — | — | — | — | — | — |
Aug 8, 2025 | Locked | — | — | — | — | — | — | — |
Aug 8, 2025 | Locked | — | — | — | — | — | — | — |
Feb 16, 2022 | Locked | — | — | — | — | — | — | — |
Click "View" in the SEC Filing column to access the detailed SEC form submission for each transaction.
Executive Activity:
Executives have been net buyers of WLK stock, which is typically a strong positive signal.