Insider Transactions (Latest 20)


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Date Name Title Action No Shares Price Per Share

Insider Transactions For WLK

2026-03-27Buesinger, Robert F.EVP, PEM Segment HeadSold4000$115.25
2026-03-27Bender, Mark StevenEVP & CFOSold16413$112.54
2026-02-27Bender, Mark StevenEVP & CFOSold16988$100.91
2026-02-27Bender, Mark StevenEVP & CFOSold12693$98.20
2026-02-27Bender, Mark StevenEVP & CFOPurchased6494$86.54
2026-02-27Bender, Mark StevenEVP & CFOPurchased6199$65.81
2026-02-27Bender, Mark StevenEVP & CFOSold6199$0.00
2026-02-27Bender, Mark StevenEVP & CFOSold6494$0.00
2026-02-27Bender, Mark StevenEVP & CFOSold421$101.52
2026-02-20Ederington, L. BenjaminEVP, Legal & External AffairsPurchased25656$0.00
2026-02-20Gilson, Jean-marcPresident and CEOPurchased29784$0.00
2026-02-20Chao, AlbertDirector, Executive ChairmanPurchased14945$0.00
2026-02-20Holy, Jeffrey AdamVP and CAOSold81$94.10
2026-02-20Holy, Jeffrey AdamVP and CAOPurchased4394$0.00
2026-02-20Holy, Jeffrey AdamVP and CAOPurchased1199$0.00
2026-02-20Holy, Jeffrey AdamVP and CAOPurchased2540$0.00
2026-02-20Patel, Bhavesh V.DirectorPurchased1852$0.00
2026-02-20Chao, John Tsung-chenDirectorPurchased2434$0.00
2026-02-20Chao, John Tsung-chenDirectorPurchased1104$0.00
2026-02-20Chao, John Tsung-chenDirectorPurchased4044$0.00

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