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sellWeak

Robert F. Buesinger sold $6,034 of WLK

EVP, PEM Segment Head at WESTLAKE CORP. 83 shares at an average of $72.70, traded May 27, 2025, filed Jun 9, 2025.

Warning score
35
Value
$6,034
83 shares
Holdings after
0
-100% from before
From 52-week low
+2%
low $69.20, close $70.33
From 52-week high
-51%
high $143.17, as of May 27, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $6k at market
    0
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    No other insider selling within 14 days
    0

What happened after comparable sells

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.

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.

WLKOct 9, 2026 · close 62.29
Since filing Jun 9, 2025: -15.2%SPY +32.0% · excess -47.2%

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 0000950170-25-083572, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 22, 2025POpen-market purchase
Common Stockindirect: by trust
+83$93.39$7,75183Jun 9, 2025
May 27, 2025SOpen-market sale
Common Stockindirect: by trust
-83$72.70$6,0340Jun 9, 2025

Related signals

Other insiders at WESTLAKE CORP and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
45Moderate
WLKsell 2
WESTLAKE CORP
Robert F. Buesinger
EVP, PEM Segment Head
$461k
4,000 shares
-10%
65Notable
WLKsell 2
WESTLAKE CORP
Mark Steven Bender
EVP & CFO
$1.8M
16,413 shares
-37%
42Moderate
WLKsell
WESTLAKE CORP
Mark Steven Bender
EVP & CFO
$1.8M
17,409 shares
-28%
30Weak
WLKsell
WESTLAKE CORP
Albert Chao
Executive Chairman
$3.0M
40,836 shares
-6%
31Weak
WLKbuy
WESTLAKE CORP
Robert F. Buesinger
EVP, PEM Segment Head
$7,751
83 shares
-
33Weak
WLKsell
WESTLAKE CORP
David Tsung-Hung Chao
director
$226k
1,750 shares
-18%
33Weak
WLKsell
WESTLAKE CORP
David Tsung-Hung Chao
director
$228k
1,750 shares
-16%

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.

Robert F. Buesinger sold $6,034 of WLK | InsiderTell