Jean-Marc Gilson

Insider Reports History

Location
2801 Post Oak Blvd., Suite 600, Houston, TX
Signature
Jean-Marc Gilson by J. Feng POA
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Jean-Marc Gilson:

Stock Role Class Num Shares Value Price $ Report Date Ownership
WESTLAKE CORP President and CEO Restricted Stock Units 8.99K $994K $110.54 Feb 28, 2025 Direct
Westlake Chemical Partners LP President and CEO, Director Common Units 11.8K $251K $21.25 Aug 27, 2025 Direct
WESTLAKE CORP President and CEO Employee Option (right to buy) 26.4K Feb 21, 2025 Direct

Insider Reports Filed by Jean-Marc Gilson

Symbol Company Period Transactions Value $ Form Type Date Filed Role
WLKP Westlake Chemical Partners LP Aug 27, 2025 1 $2.02K 4 Aug 29, 2025 President and CEO, Director
WLK WESTLAKE CORP Feb 28, 2025 1 $0 4 Mar 4, 2025 President and CEO
WLK WESTLAKE CORP Feb 21, 2025 2 $0 4 Feb 24, 2025 President and CEO
WLKP Westlake Chemical Partners LP Nov 27, 2024 6 $164K 4 Aug 28, 2025 President and CEO, Director
WLKP Westlake Chemical Partners LP Aug 29, 2024 1 $22.8K 4 Sep 3, 2024 President and CEO, Director
WLKP Westlake Chemical Partners LP Aug 28, 2024 1 $7.34K 4/A Aug 28, 2025 President and CEO, Director
WLKP Westlake Chemical Partners LP Aug 26, 2024 3 $45.8K 4 Aug 28, 2024 President and CEO, Director
WLKP Westlake Chemical Partners LP Aug 22, 2024 2 $21.1K 4 Aug 26, 2024 President and CEO, Director
WLK WESTLAKE CORP Jul 15, 2024 1 $0 4 Jul 16, 2024 President and CEO
WLK WESTLAKE CORP Jul 15, 2024 0 $0 3 Jul 15, 2024 President and CEO
WLKP Westlake Chemical Partners LP Jul 15, 2024 0 $0 3 Jul 15, 2024 President and CEO, Director