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sellModerate cluster of 2

Mark Steven Bender sold $753k of WLK

EVP & CFO at WESTLAKE CORP. 4,950 shares at an average of $152.19, traded May 3, 2024, filed May 6, 2024.

Warning score
57
Value
$753k
4,950 shares
Holdings after
40,356
-11% from before
From 52-week low
+48%
low $97.25, close $144.06
From 52-week high
-6%
high $153.34, as of May 3, 2024

Score components

  • Role
    CFO
    +22
  • Trade size
    $753k at market
    +22
  • Share of holdings sold
    Sold 11% of holdings
    +5
  • Cluster
    2 insiders selling within 14 days
    +8

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.

This signal so far: 1m +2.4%, 3m -12.6%, 6m -13.7%.

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 12, 2026 · close 61.85
Since filing May 6, 2024: -57.4%SPY +55.1% · excess -112.4%

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 0000950170-24-053244, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 3, 2024SOpen-market sale
Common Stock
-4,950$152.19$753k40,356May 6, 2024

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
30Weak
WLKsell
WESTLAKE CORP
Albert Chao
Executive Chairman
$3.1M
38,873 shares
-6%
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
-
35Weak
WLKsell
WESTLAKE CORP
Robert F. Buesinger
EVP, PEM Segment Head
$6,034
83 shares
-100%
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%
47Moderate
WLKsell 2
WESTLAKE CORP
Robert F. Buesinger
EVP, HIP, IT & Digital
$555k
3,500 shares
-17%

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.

Mark Steven Bender sold $753k of WLK | InsiderTell