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sellWeak cluster of 4

Ralph Smalling sold $804 of GNLX

Head of Regulatory at GENELUX Corp. 270 shares at an average of $2.98, traded May 11, 2026, filed May 12, 2026.

Warning score
30
Value
$804
270 shares
Holdings after
67,803
-0% from before
From 52-week low
+26%
low $2.30, close $2.90
From 52-week high
-65%
high $8.24, as of May 11, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $804 at market
    0
  • Share of holdings sold
    Sold 0.4% of holdings
    0
  • Cluster
    4 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 -3.0%, 3m -10.8%, 6m -.

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.

GNLXOct 12, 2026 · close 2.55
Since filing May 12, 2026: -14.3%SPY +5.9% · excess -20.3%

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 0001493152-26-022565, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 11, 2026SOpen-market sale
Common Stock
-270$2.98$80467,803May 12, 2026

Related signals

Other insiders at GENELUX Corp and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
35Weak
GNLXsell 3
GENELUX Corp
Joseph Cappello
Chief Technical Officer
$28k
10,257 shares
-3%
35Weak
GNLXsell 3
GENELUX Corp
Yong Yu
Chief Scientific Officer
$27k
9,683 shares
-4%
49Moderate
GNLXsell 3
GENELUX Corp
Thomas Zindrick
President and CEO
$92k
34,463 shares
-3%
30Weak
GNLXsell 3
GENELUX Corp
Joseph Cappello
Chief Technical Officer
$1,924
653 shares
-0%
40Moderate
GNLXsell 3
GENELUX Corp
Thomas Zindrick
President and CEO
$8,905
3,023 shares
-0%
30Weak
GNLXsell 3
GENELUX Corp
Yong Yu
Chief Scientific Officer
$1,922
653 shares
-0%
26Weak
GNLXsell
GENELUX Corp
John W Smither
director
$35k
12,000 shares
-12%
23Weak
GNLXsell 2
GENELUX Corp
Ralph Smalling
Head of Regulatory
$563
192 shares
-0%
8Weak
GNLXsell 210b5-1
GENELUX Corp
John Thomas
director
$30k
10,000 shares
-2%
30Weak
GNLXsell 4
GENELUX Corp
Joseph Cappello
Chief Technical Officer
$1,799
605 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.

Ralph Smalling sold $804 of GNLX | InsiderTell