Insider Transactions (Latest 20)


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Date Name Title Action No Shares Price Per Share

Insider Transactions For WLK

2026-05-13Bender, Mark StevenEVP & CFOSold5284$97.34
2026-05-12Bender, Mark StevenEVP & CFOPurchased13164$0.00
2026-05-12Bender, Mark StevenEVP & CFOSold13164$0.00
2026-04-02Powers, Brian JohnSVP, PEM Segment HeadPurchased1961$0.00
2026-03-27Bender, Mark StevenEVP & CFOSold16413$112.54
2026-03-27Buesinger, Robert F.EVP, PEM Segment HeadSold4000$115.25
2026-02-27Bender, Mark StevenEVP & CFOPurchased6199$65.81
2026-02-27Bender, Mark StevenEVP & CFOSold6494$0.00
2026-02-27Bender, Mark StevenEVP & CFOSold6199$0.00
2026-02-27Bender, Mark StevenEVP & CFOSold16988$100.91
2026-02-27Bender, Mark StevenEVP & CFOSold421$101.52
2026-02-27Bender, Mark StevenEVP & CFOPurchased6494$86.54
2026-02-27Bender, Mark StevenEVP & CFOSold12693$98.20
2026-02-20Ederington, L. BenjaminEVP, Legal & External AffairsSold357$94.10
2026-02-20Ederington, L. BenjaminEVP, Legal & External AffairsPurchased25656$0.00
2026-02-20Ederington, L. BenjaminEVP, Legal & External AffairsPurchased7002$0.00
2026-02-20Buesinger, Robert F.EVP, PEM Segment HeadSold326$94.10
2026-02-20Buesinger, Robert F.EVP, PEM Segment HeadPurchased19351$0.00
2026-02-20Buesinger, Robert F.EVP, PEM Segment HeadPurchased5281$0.00
2026-02-20Bender, Mark StevenEVP & CFOSold445$94.10

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