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buyWeak

Jean-Marc Gilson bought $7,344 of WLKP

President and CEO at Westlake Chemical Partners LP. 320 shares at an average of $22.95, traded Aug 28, 2024, filed Aug 28, 2025.

Conviction score
28
Value
$7,344
320 shares
Holdings after
3,427
+10% from before
From 52-week low
+17%
low $16.31, close $19.16
From 52-week high
-1%
high $19.44, as of Aug 28, 2024

Score components

  • Role
    CEO
    +25
  • Trade size
    $7k at market
    0
  • Relative to holdings
    Holdings up 10%
    +3
  • Price context
    Near the top of the 52-week range
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    3 buys in 90 days
    +5
  • Track record
    Median 6-month excess return -4% over 3 past buys
    -5

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m -5.7%, 3m -12.0%, 6m +3.2%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

WLKPOct 12, 2026 · close 21.08
Since filing Aug 28, 2025: +3.7%SPY +21.5% · excess -17.8%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0002030037-25-000005, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 28, 2024POpen-market purchase
Common Units
+320$22.95$7,3443,427Aug 28, 2025

Related signals

Other insiders at Westlake Chemical Partners LP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
20Weak
WLKPbuy
Westlake Chemical Partners LP
Jean-Marc Gilson
President and CEO
$2,025
95 shares
+1%
46Moderate
WLKPbuy
Westlake Chemical Partners LP
Jean-Marc Gilson
President and CEO
$164k
7,461 shares
+176%
49Moderate
WLKPsell
Westlake Chemical Partners LP
James Chao
Senior Chairman
$82k
3,700 shares
-100%
53Moderate
WLKPsell
Westlake Chemical Partners LP
James Chao
Senior Chairman
$226k
10,208 shares
-73%
31Weak
WLKPbuy
Westlake Chemical Partners LP
Jean-Marc Gilson
President and CEO
$23k
1,000 shares
+34%
49Moderate
WLKPbuy 2
Westlake Chemical Partners LP
Jean-Marc Gilson
President and CEO
$46k
2,000 shares
+216%
36Weak
WLKPbuy 2
Westlake Chemical Partners LP
Jean-Marc Gilson
President and CEO
$21k
927 shares
-
35Weak
WLKPbuy 2
Westlake Chemical Partners LP
Andrew Kenner
SVP, Olefin Material & Corp Pr
$61k
2,692 shares
+1%
45Moderate
WLKPbuy 2
Westlake Chemical Partners LP
Andrew Kenner
SVP, Olefin Material & Corp Pr
$276k
12,000 shares
+7%
27Weak
WLKPbuy
Westlake Chemical Partners LP
Andrew Kenner
SVP, Olefin Material & Corp Pr
$51k
2,291 shares
+1%

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 bought $7,344 of WLKP | InsiderTell