Buesinger Robert F. bought WLK
February 17, 2026 · Form 4 insider transaction
Buesinger Robert F. bought 3,478 shares of Westlake Corporation at $0.00 per share, a transaction worth N/A. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 2 days after the transaction.
Direction
Acquired (buy-side)
Shares
3,478
Price
$0.00
Total value
N/A
InsiderBuesinger Robert F.
RoleOfficer
CompanyWestlake Corporation (WLK)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateFebruary 17, 2026
Filing dateFebruary 19, 2026
Shares owned after38,410
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Restricted stock units ("RSUs") convert into the Issuer's common stock on a one-for-one basis.