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Insider · CIK 0002030037

Jean-Marc Gilson

ceopresidentofficerdirector

Files at WLK (WESTLAKE CORP), WLKP (Westlake Chemical Partners LP). First filing Aug 28, 2025, latest Aug 29, 2025.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
3 / 0
$173k bought, $0 sold

Where the trades landed

Last year at the company this insider has traded most, with each buy and sell on the bar it happened.

WLKP: Westlake Chemical Partners LP

WLKPOct 9, 2026 · close 21.19

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

This insider’s open-market buys and sells, scored.

ScoreCompanyValueHoldingsPrice contextFiled
20Weak
WLKPbuy
Westlake Chemical Partners LP
$2,025
95 shares
+1%-
46Moderate
WLKPbuy
Westlake Chemical Partners LP
$164k
7,461 shares
+176%-
28Weak
WLKPbuy
Westlake Chemical Partners LP
$7,344
320 shares
+10%-

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Aug 27, 2025WLKP
Westlake Chemical Partners LP
POpen-market purchase
Common Units
+95$21.25$2,02511,803Aug 29, 2025
Nov 27, 2024WLKP
Westlake Chemical Partners LP
POpen-market purchase
Common Units
+85$23.57$2,0024,332Aug 28, 2025
Aug 28, 2024WLKP
Westlake Chemical Partners LP
POpen-market purchase
Common Units
+320$22.95$7,3443,427Aug 28, 2025
Feb 25, 2025WLKP
Westlake Chemical Partners LP
POpen-market purchase
Common Units
+83$24.75$2,0424,414Aug 28, 2025
May 29, 2025WLKP
Westlake Chemical Partners LP
POpen-market purchase
Common Units
+94$22.20$2,0814,508Aug 28, 2025
Aug 15, 2025WLKP
Westlake Chemical Partners LP
POpen-market purchase
Common Units
+4,700$21.84$103k9,208Aug 28, 2025
Aug 20, 2025WLKP
Westlake Chemical Partners LP
POpen-market purchase
Common Units
+1,250$21.86$27k10,458Aug 28, 2025
Aug 21, 2025WLKP
Westlake Chemical Partners LP
POpen-market purchase
Common Units
+1,250$22.02$28k11,708Aug 28, 2025
Feb 28, 2025WLK
WESTLAKE CORP
AGrant or award
Restricted Stock Unitsderivative
+8,994$0.00$08,994Mar 4, 2025
Feb 21, 2025WLK
WESTLAKE CORP
AGrant or award
Employee Option (right to buy)derivative
+26,391$0.00$026,391Feb 24, 2025
Feb 21, 2025WLK
WESTLAKE CORP
AGrant or award
Restricted Stock Unitsderivative
+8,749$0.00$08,749Feb 24, 2025

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Jean-Marc Gilson: insider trades and track record | InsiderTell