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Gilson Jean-Marc

No open-market purchases or sales filed in the past year.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
–
0 filings
Net
–
Bought minus sold
Companies
0
With open-market trades

Trades

Every Form 4 that lists Gilson Jean-Marc as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

WLKP Westlake Chemical Partners LP

President and CEO6 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 29, 2025 (view filing)Aug 272 daysGilson Jean-MarcPresident and CEOPPurchaseCommon Units+95.29$21.25+$2.02K+0.8%11.8K after
Aug 28, 2025 (view filing)Nov 27, 2024-Aug 21, 2025274 daysLateGilson Jean-MarcPresident and CEOPPurchaseCommon Units+7.46K$21.93+$163.6K+175.7%11.7K after6 lots
Aug 28, 2025 (view filing)Aug 28, 2024365 daysGilson Jean-MarcPresident and CEOPPurchaseCommon Units+320$22.95+$7.34K+10.3%3.43K afterAmended
Sep 3, 2024 (view filing)Aug 295 daysGilson Jean-MarcPresident and CEOPPurchaseCommon Units+1.00K$22.83+$22.8K+34.2%3.93K after
Aug 28, 2024 (view filing)Aug 26-282 daysGilson Jean-MarcPresident and CEOPPurchaseCommon Units+2.00K$22.92+$45.8K+215.7%2.93K after3 lots
Aug 26, 2024 (view filing)Aug 22-234 daysGilson Jean-MarcPresident and CEOPPurchaseCommon Units+927$22.75+$21.1KNew position927 after2 lots