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sellWeak cluster of 410b5-1 plan

Raymond Woo sold $119k of CBLL

Chief Technology Officer at Ceribell, Inc.. 4,887 shares at an average of $24.33, traded Sep 8, 2026, filed Sep 10, 2026.

Warning score
5
Value
$119k
4,887 shares
Holdings after
203,118
-2% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Officer
    +15
  • Trade size
    $119k at market
    +10
  • Share of holdings sold
    Sold 2.3% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 10, 2026: +0.9%SPY +3.0% · excess -2.1%

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 0001193125-26-388295, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 8, 2026MOption exercise
Common Stock10b5-1
+8,389$2.24$19k203,11832 d ago
Sep 8, 2026MOption exercise
Common Stock10b5-1
+4,864$3.65$18k207,98232 d ago
Sep 8, 2026MOption exercise
Common Stock10b5-1
+23$4.70$108208,00532 d ago
Sep 8, 2026SOpen-market sale
Common Stock10b5-1
-4,887$24.33$119k203,11832 d ago
Sep 8, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-8,389$0.00$0032 d ago
Sep 8, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-4,864$0.00$053,50132 d ago
Sep 8, 2026MOption exercise
Stock Option (Right to Buy)derivative10b5-1
-23$0.00$019,04432 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%
38Weak
CBLLsell 410b5-1
Ceribell, Inc.
Xingjuan Chao
President and CEO
$522k
20,846 shares
-3%
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%
43Moderate
CBLLbuy 2
Ceribell, Inc.
Tpg Gp A, LLC
owner
$6.5M
380,268 shares
+11%
51Moderate
CBLLbuy 2
Ceribell, Inc.
Bakker Juliet Tammenoms
director
$4.0M
237,234 shares
+11%

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.

Raymond Woo sold $119k of CBLL | InsiderTell