Chao Albert bought WLK
December 22, 2025 · Form 4 insider transaction
Chao Albert bought 81,673 shares of Westlake Corporation at $44.42 per share, a transaction worth $3.63M. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 1 day after the transaction.
Direction
Acquired (buy-side)
Shares
81,673
Price
$44.42
Total value
$3.63M
InsiderChao Albert
RoleOfficer, Director
CompanyWestlake Corporation (WLK)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateDecember 22, 2025
Filing dateDecember 23, 2025
Shares owned after668,558
OwnershipDirect
10b5-1 planNo
AmendedNo