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sellModerate cluster of 2

Gust Kepler sold $799k of ALOY

President and CEO at BLACKBOXSTOCKS INC.. 62,000 shares at an average of $12.89, traded Mar 17, 2026, filed Mar 19, 2026.

Warning score
47
Value
$799k
62,000 shares
Holdings after
414,218
-13% from before
From 52-week low
+427%
low $2.61, close $13.75
From 52-week high
-47%
high $25.88, as of Mar 17, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $799k at market
    +22
  • Share of holdings sold
    Sold 13% 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 -19.8%, 3m +25.4%, 6m -41.8%.

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.

ALOYOct 13, 2026 · close 6.72
Since filing Mar 19, 2026: -52.6%SPY +18.8% · excess -71.4%

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 0001159487-26-000003, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 17, 2026SOpen-market sale
Common Stock, par value $0.001 per share
-62,000$12.89$799k414,218Mar 19, 2026

Related signals

Other insiders at BLACKBOXSTOCKS INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
50Moderate
ALOYsell 2
BLACKBOXSTOCKS INC.
Gust Kepler
President and CEO
$1.4M
120,000 shares
-20%
39Weak
ALOYsell 3
BLACKBOXSTOCKS INC.
Charles Brandon Smith
Chief Technology Officer
$151k
6,000 shares
-19%
39Weak
ALOYsell 3
BLACKBOXSTOCKS INC.
Charles Brandon Smith
Chief Technology Officer
$132k
8,500 shares
-22%
48Moderate
ALOYsell 2
BLACKBOXSTOCKS INC.
Robert L Winspear
Chief Financial Officer
$257k
17,000 shares
-12%
48Moderate
ALOYsell 2
BLACKBOXSTOCKS INC.
Robert L Winspear
Chief Financial Officer
$257k
17,000 shares
-12%
34Weak
ALOYsell 2
BLACKBOXSTOCKS INC.
Charles Keller Reid
director
$46k
5,000 shares
-23%
37Weak
ALOYsell 2
BLACKBOXSTOCKS INC.
Charles Brandon Smith
Chief Technology Officer
$83k
9,167 shares
-25%
39Weak
ALOYbuy
BLACKBOXSTOCKS INC.
Gust Kepler
President and CEO
$100k
25,000 shares
+4%

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.

Gust Kepler sold $799k of ALOY | InsiderTell