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sellModerate cluster of 3

David Krempa sold $1.6M of ETON

Chief Business Officer at Eton Pharmaceuticals, Inc.. 25,000 shares at an average of $65.07, traded Aug 24, 2026, filed Aug 24, 2026.

Warning score
50
Value
$1.6M
25,000 shares
Holdings after
37,025
-40% from before
From 52-week low
+349%
low $14.35, close $64.43
From 52-week high
0%
high $64.43, as of Aug 24, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.6M at market
    +25
  • Share of holdings sold
    Sold 40% of holdings
    +10
  • Cluster
    3 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

ETONOct 12, 2026 · close 55.25
Since filing Aug 24, 2026: -14.2%SPY +2.2% · excess -16.4%

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 0001437749-26-028846, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 24, 2026MOption exercise
Common Stock
+25,000$7.31$183k62,025Aug 24, 2026
Aug 24, 2026SOpen-market sale
Common Stock
-25,000$65.07$1.6M37,025Aug 24, 2026
Aug 24, 2026MOption exercise
Employee Stock Optionderivative
-25,000$0.00$070,000Aug 24, 2026

Related signals

Other insiders at Eton Pharmaceuticals, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
13Weak
ETONsell
Eton Pharmaceuticals, Inc.
David Krempa
Chief Business Officer
$229k
4,166 shares
-9%
50Moderate
ETONsell 3
Eton Pharmaceuticals, Inc.
Paul Maier V
director
$3.0M
50,000 shares
-46%
50Moderate
ETONsell 3
Eton Pharmaceuticals, Inc.
Paul Maier V
director
$3.0M
50,000 shares
-46%
65Notable
ETONsell 3
Eton Pharmaceuticals, Inc.
Sean Brynjelsen
President & CEO
$6.1M
100,000 shares
-9%
37Weak
ETONsell
Eton Pharmaceuticals, Inc.
Opaleye Management Inc.
owner
$1.1M
28,315 shares
-1%
37Weak
ETONsell
Eton Pharmaceuticals, Inc.
Opaleye Management Inc.
owner
$1.1M
28,315 shares
-1%
37Weak
ETONsell
Eton Pharmaceuticals, Inc.
Opaleye Management Inc.
owner
$4.8M
126,685 shares
-5%
45Moderate
ETONsell
Eton Pharmaceuticals, Inc.
Jennifer McKie Adams
director
$1.6M
50,000 shares
-100%
63Notable
ETONsell 2
Eton Pharmaceuticals, Inc.
Sean Brynjelsen
President & CEO
$3.8M
120,000 shares
-13%
53Moderate
ETONsell 2
Eton Pharmaceuticals, Inc.
David Krempa
Chief Business Officer
$3.2M
100,000 shares
-147%

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.

David Krempa sold $1.6M of ETON | InsiderTell