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sellModerate cluster of 510b5-1 plan

Mary T Barra sold $38M of GM

Chair & CEO at General Motors Co. 422,809 shares at an average of $89.13, traded Jul 27, 2026, filed Jul 29, 2026.

Warning score
50
Value
$38M
422,809 shares
Holdings after
428,994
-66% from before
From 52-week low
+69%
low $51.53, close $86.86
From 52-week high
0%
high $86.86, as of Jul 27, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $37.7M at market
    +25
  • Share of holdings sold
    Sold 66% of holdings
    +20
  • 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 Jul 29, 2026: -7.3%SPY +6.9% · excess -14.2%

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 0001492154-26-000016, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 27, 2026MOption exercise
Common Stock10b5-1
+49,495$52.16$2.6M641,737Jul 29, 2026
Jul 27, 2026SOpen-market sale
Common Stock10b5-1
-49,495$85.33$4.2M592,242Jul 29, 2026
Jul 27, 2026SOpen-market sale
Common Stock10b5-1
-54,866$85.32$4.7M537,376Jul 29, 2026
Jul 28, 2026MOption exercise
Common Stock10b5-1
+91,843$41.40$3.8M629,219Jul 29, 2026
Jul 28, 2026SOpen-market sale
Common Stock10b5-1
-91,843$90.38$8.3M537,376Jul 29, 2026
Jul 28, 2026MOption exercise
Common Stock10b5-1
+69,564$49.46$3.4M606,940Jul 29, 2026
Jul 28, 2026SOpen-market sale
Common Stock10b5-1
-69,564$90.38$6.3M537,376Jul 29, 2026
Jul 28, 2026MOption exercise
Common Stock10b5-1
+48,659$52.16$2.5M586,035Jul 29, 2026
Jul 28, 2026SOpen-market sale
Common Stock10b5-1
-48,659$90.38$4.4M537,376Jul 29, 2026
Jul 28, 2026SOpen-market sale
Common Stock10b5-1
-108,382$90.38$9.8M428,994Jul 29, 2026
Jul 27, 2026MOption exercise
Employee Stock Option (Right to Buy)derivative10b5-1
-49,495$0.00$087,587Jul 29, 2026
Jul 28, 2026MOption exercise
Employee Stock Option (Right to Buy)derivative10b5-1
-91,843$0.00$073,474Jul 29, 2026
Jul 28, 2026MOption exercise
Employee Stock Option (Right to Buy)derivative10b5-1
-69,564$0.00$055,650Jul 29, 2026
Jul 28, 2026MOption exercise
Employee Stock Option (Right to Buy)derivative10b5-1
-48,659$0.00$038,928Jul 29, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
30Weak
GMsell 510b5-1
General Motors Co
Grant Michael Dixton
Executive Vice President
$3.5M
40,000 shares
-42%
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.

Mary T Barra sold $38M of GM | InsiderTell