Skip to content
sellModerate

James R. Gruber sold $674k of ETON

Chief Financial Officer at Eton Pharmaceuticals, Inc.. 41,713 shares at an average of $16.15, traded Aug 19, 2025, filed Aug 20, 2025.

Warning score
47
Value
$674k
41,713 shares
Holdings after
204,753
-17% from before
From 52-week low
+238%
low $4.79, close $16.20
From 52-week high
-20%
high $20.25, as of Aug 19, 2025

Score components

  • Role
    CFO
    +22
  • Trade size
    $674k at market
    +20
  • Share of holdings sold
    Sold 17% of holdings
    +5
  • Cluster
    No other insider selling within 14 days
    0

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 9, 2026 · close 55.21
Since filing Aug 20, 2025: +233.6%SPY +23.7% · excess +209.9%

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 0001437749-25-027464, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 19, 2025SOpen-market sale
Common Stock
-39,082$16.16$632k205,299Aug 20, 2025
Aug 20, 2025SOpen-market sale
Common Stock
-2,631$16.02$42k204,753Aug 20, 2025

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%
41Moderate
ETONsell 2
Eton Pharmaceuticals, Inc.
David Krempa
Chief Business Officer
$504k
34,000 shares
-5%
27Weak
ETONbuy
Eton Pharmaceuticals, Inc.
Opaleye Management Inc.
owner
$125k
7,930 shares
+0%
58Moderate
ETONsell 2
Eton Pharmaceuticals, Inc.
Sean Brynjelsen
President & CEO
$3.6M
210,000 shares
-7%
11Weak
ETONbuy
Eton Pharmaceuticals, Inc.
Opaleye Management Inc.
owner
$80k
10,000 shares
+0%

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.

James R. Gruber sold $674k of ETON | InsiderTell