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sellNotable cluster of 3

Margaret Montemayor sold $736k of VST

SVP, Chief Accounting Officer at Vistra Corp.. 4,600 shares at an average of $160.00, traded Jun 2, 2026, filed Jun 4, 2026.

Warning score
61
Value
$736k
4,600 shares
Holdings after
9,760
-32% from before
From 52-week low
+17%
low $134.30, close $157.49
From 52-week high
-27%
high $216.66, as of Jun 2, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $736k at market
    +21
  • Share of holdings sold
    Sold 32% of holdings
    +10
  • Cluster
    3 insiders selling within 14 days
    +15

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.

VSTOct 9, 2026 · close 161.48
Since filing Jun 4, 2026: +5.4%SPY +3.3% · excess +2.1%

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 0001602114-26-000006, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 2, 2026SOpen-market sale
Common Stock
-4,600$160.00$736k9,760Jun 4, 2026

Related signals

Other insiders at Vistra Corp. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
40Moderate
VSTsell 210b5-1
Vistra Corp.
Kristopher E. Moldovan
EVP and CFO
$3.3M
20,000 shares
-10%
28Weak
VSTsell 210b5-1
Vistra Corp.
Scott A Hudson
EVP & President Vistra Retail
$3.6M
22,222 shares
-7%
33Weak
VSTsell 210b5-1
Vistra Corp.
Scott A Hudson
EVP & President Vistra Retail
$6.7M
44,444 shares
-12%
35Weak
VSTsell 210b5-1
Vistra Corp.
Kristopher E. Moldovan
EVP and CFO
$3.0M
20,000 shares
-9%
67Notable
VSTbuy
Vistra Corp.
James A Burke
President and CEO
$903k
6,665 shares
+1%
51Moderate
VSTbuy
Vistra Corp.
James A Burke
President and CEO
$270k
2,000 shares
+0%
45Moderate
VSTsell 410b5-1
Vistra Corp.
Arcilia Acosta
director
$2.5M
15,000 shares
-32%
35Weak
VSTsell 410b5-1
Vistra Corp.
John R Sult
director
$1.1M
6,500 shares
-8%
35Weak
VSTsell 510b5-1
Vistra Corp.
Scott B Helm
director
$4.0M
25,000 shares
-10%
18Weak
VSTsell 510b5-1
Vistra Corp.
Paul M Barbas
director
$73k
488 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.

Margaret Montemayor sold $736k of VST | InsiderTell