Gilson Jean-Marc bought WLK
February 20, 2026 · Form 4 insider transaction
Gilson Jean-Marc bought 109,139 shares of Westlake Corporation at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Acquired (buy-side)
Shares
109,139
Price
$0.00
Total value
N/A
InsiderGilson Jean-Marc
RoleOfficer, Director
CompanyWestlake Corporation (WLK)
SecurityEmployee Option (right to buy)
Transaction codeA: Grant or award
Transaction dateFebruary 20, 2026
Filing dateFebruary 23, 2026
Shares owned after109,139
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The stock options are excercisable in three installments of 33%, 33% and 34% on February 20, 2027, 2028 and 2029, respectively.