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sellWeak cluster of 510b5-1 plan

Grant Michael Dixton sold $3.5M of GM

Executive Vice President at General Motors Co. 40,000 shares at an average of $88.44, traded Aug 3, 2026, filed Aug 3, 2026.

Warning score
30
Value
$3.5M
40,000 shares
Holdings after
54,992
-42% from before
From 52-week low
+69%
low $51.89, close $87.50
From 52-week high
-3%
high $90.11, as of Aug 3, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $3.5M at market
    +25
  • Share of holdings sold
    Sold 42% of holdings
    +10
  • Cluster
    5 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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.

GMOct 9, 2026 · close 82.73
Since filing Aug 3, 2026: -5.5%SPY +3.0% · excess -8.4%

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 0001866710-26-000007, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 30, 2026MOption exercise
Common Stock10b5-1
+79,132$0.00$0130,048Aug 3, 2026
Jul 30, 2026FTax withholding
Common Stock10b5-1
-35,056$88.40$3.1M94,992Aug 3, 2026
Aug 3, 2026SOpen-market sale
Common Stock10b5-1
-40,000$88.44$3.5M54,992Aug 3, 2026
Jul 30, 2026MOption exercise
Restricted Stock Unitsderivative10b5-1
-79,132$0.00$00Aug 3, 2026

Related signals

Other insiders at General Motors Co and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
GMsell 510b5-1
General Motors Co
Mary T Barra
Chair & CEO
$38M
422,809 shares
-66%
40Moderate
GMsell 510b5-1
General Motors Co
Christopher Hatto
Vice President & CAO
$621k
6,895 shares
-27%
35Weak
GMsell 510b5-1
General Motors Co
Mark L Reuss
President
$6.4M
71,079 shares
-44%
37Weak
GMsell 510b5-1
General Motors Co
Rory Harvey
Executive Vice President
$772k
8,882 shares
-24%
20Weak
GMsell10b5-1
General Motors Co
Mary T Barra
Chair & CEO
$8.4M
99,239 shares
-17%
30Weak
GMsell 410b5-1
General Motors Co
Mary T Barra
Chair & CEO
$1.7M
20,582 shares
-3%
30Weak
GMsell 410b5-1
General Motors Co
Mary T Barra
Chair & CEO
$2.0M
23,000 shares
-4%
34Weak
GMsell 410b5-1
General Motors Co
Christopher Hatto
Vice President & CAO
$586k
6,895 shares
-21%
37Weak
GMsell 410b5-1
General Motors Co
Rory Harvey
Executive Vice President
$775k
9,124 shares
-20%
50Moderate
GMsell 410b5-1
General Motors Co
Mary T Barra
Chair & CEO
$37M
453,402 shares
-52%

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.

Grant Michael Dixton sold $3.5M of GM | InsiderTell