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sellWeak cluster of 410b5-1 plan

Xingjuan Chao sold $522k of CBLL

President and CEO at Ceribell, Inc.. 20,846 shares at an average of $25.03, traded Sep 15, 2026, filed Sep 17, 2026.

Warning score
38
Value
$522k
20,846 shares
Holdings after
746,345
-3% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $522k at market
    +18
  • Share of holdings sold
    Sold 2.7% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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.

CBLLOct 9, 2026 · close 23.63
Since filing Sep 17, 2026: -5.5%SPY +2.3% · excess -7.8%

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 0001193125-26-394799, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 15, 2026SOpen-market sale
Common Stock10b5-1
-20,846$25.03$522k746,34525 d ago

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
0Weak
CBLLsell10b5-1
Ceribell, Inc.
Raymond Woo
Chief Technology Officer
$119k
4,887 shares
-2%
2Weak
CBLLsell 410b5-1
Ceribell, Inc.
Scott Blumberg
Chief Financial Officer
$21k
846 shares
-1%
5Weak
CBLLsell 410b5-1
Ceribell, Inc.
Raymond Woo
Chief Technology Officer
$119k
4,887 shares
-2%
17Weak
CBLLsell 410b5-1
Ceribell, Inc.
David Foehr
Senior VP, Finance and PAO
$224k
9,255 shares
-26%
2Weak
CBLLsell 410b5-1
Ceribell, Inc.
Scott Blumberg
Chief Financial Officer
$16k
652 shares
-0%
30Weak
CBLLsell 410b5-1
Ceribell, Inc.
Xingjuan Chao
President and CEO
$973k
39,540 shares
-5%
38Weak
CBLLsell 210b5-1
Ceribell, Inc.
Rebecca B Robertson
director
$331k
18,633 shares
-65%
13Weak
CBLLsell 210b5-1
Ceribell, Inc.
Rebecca B Robertson
director
$343k
20,000 shares
-41%
14Weak
CBLLsell 210b5-1
Ceribell, Inc.
Xingjuan Chao
President and CEO
$425k
25,000 shares
-3%
6Weak
CBLLsell10b5-1
Ceribell, Inc.
Xingjuan Chao
President and CEO
$424k
25,000 shares
-3%

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.

Xingjuan Chao sold $522k of CBLL | InsiderTell