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sellNotable cluster of 3

da Silva Jorge Santos sold $2.8M of MLTX

Chief Executive Officer at MoonLake Immunotherapeutics. 150,000 shares at an average of $18.35, traded Apr 10, 2026, filed Apr 14, 2026.

Warning score
65
Value
$2.8M
150,000 shares
Holdings after
2,924,893
-5% from before
From 52-week low
+188%
low $6.24, close $17.96
From 52-week high
-71%
high $61.99, as of Apr 10, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $2.8M at market
    +25
  • Share of holdings sold
    Sold 4.9% of holdings
    0
  • 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.

This signal so far: 1m -2.1%, 3m +3.9%, 6m -44.6%.

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.

MLTXOct 13, 2026 · close 10.41
Since filing Apr 14, 2026: -44.6%SPY +12.6% · excess -57.2%

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 0001213900-26-043647, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 10, 2026SOpen-market sale
Class A ordinary shares, par value $0.0001 per share
-98,127$18.41$1.8M2,976,766Apr 14, 2026
Apr 13, 2026SOpen-market sale
Class A ordinary shares, par value $0.0001 per share
-51,873$18.23$946k2,924,893Apr 14, 2026

Related signals

Other insiders at MoonLake Immunotherapeutics and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
0Weak
MLTXsell10b5-1
MoonLake Immunotherapeutics
Kristian Reich
Chief Scientific Officer
$22k
1,100 shares
-0%
28Weak
MLTXsell 210b5-1
MoonLake Immunotherapeutics
Kristian Reich
Chief Scientific Officer
$1.0M
52,448 shares
-2%
26Weak
MLTXsell 210b5-1
MoonLake Immunotherapeutics
Kristian Reich
Chief Scientific Officer
$878k
43,700 shares
-2%
17Weak
MLTXsell 210b5-1
MoonLake Immunotherapeutics
Kristian Reich
Chief Scientific Officer
$322k
16,105 shares
-1%
38Weak
MLTXsell 210b5-1
MoonLake Immunotherapeutics
da Silva Jorge Santos
Chief Executive Officer
$2.0M
102,225 shares
-4%
44Moderate
MLTXsell 310b5-1
MoonLake Immunotherapeutics
da Silva Jorge Santos
Chief Executive Officer
$957k
47,775 shares
-2%
40Moderate
MLTXsell 310b5-1
MoonLake Immunotherapeutics
Matthias Bodenstedt
Chief Financial Officer
$862k
39,120 shares
-3%
32Weak
MLTXsell 310b5-1
MoonLake Immunotherapeutics
Matthias Bodenstedt
Chief Financial Officer
$352k
17,876 shares
-2%
28Weak
MLTXsell 210b5-1
MoonLake Immunotherapeutics
Kristian Reich
Chief Scientific Officer
$2.9M
150,000 shares
-5%
15Weak
MLTXsell10b5-1
MoonLake Immunotherapeutics
Matthias Bodenstedt
Chief Financial Officer
$273k
13,653 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.

da Silva Jorge Santos sold $2.8M of MLTX | InsiderTell