Jean-Marc Gilson owns 0.00% of Westlake
0 shares as of the February 20, 2026 filing.
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Free.
The stake
0.00%
of the common shares
Stake rank
—
by dollar value of the stake
Last sale
None
no sales since 2016
Last buy
None
no purchases since 2016
Jean-Marc Gilson owns 0.00% of WESTLAKE CORP: 0 of 127,796,548 shares, worth about $0 at the 2026-10-16 close. The stake has moved from 0.00% in 2024 to 0.00% on 2026-07-29.