Chao Albert bought WLK
August 11, 2026 · Form 4 insider transaction
Chao Albert bought 38,873 shares of Westlake Corporation at $61.87 per share, a transaction worth $2.40M. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Acquired (buy-side)
Shares
38,873
Price
$61.87
Total value
$2.40M
InsiderChao Albert
RoleOfficer, Director
CompanyWestlake Corporation (WLK)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateAugust 11, 2026
Filing dateAugust 11, 2026
Shares owned after681,753
OwnershipDirect
10b5-1 planNo
AmendedNo