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buyModerate cluster of 2

Bakker Juliet Tammenoms bought $4.0M of CBLL

director at Ceribell, Inc.. 237,234 shares at an average of $17.00, traded Oct 15, 2024, filed Oct 16, 2024.

Conviction score
51
Value
$4.0M
237,234 shares
Holdings after
2,475,110
+11% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $4.0M at market
    +25
  • Relative to holdings
    Holdings up 11%
    +3
  • Price context
    No price history yet
    0
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

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 +0.4%, 3m -24.2%, 6m -45.2%.

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 Oct 16, 2024: -10.6%SPY +36.8% · excess -47.4%

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 0000950170-24-115007, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 11, 2024AGrant or award
Common Stock
+6,618$0.00$06,618Oct 16, 2024
Oct 15, 2024CConversion
Common Stockindirect: By Longitude Venture Partners IV, L.P.
+2,140,600--2,237,876Oct 16, 2024
Oct 15, 2024POpen-market purchase
Common Stockindirect: By Longitude Venture Partners IV, L.P.
+237,234$17.00$4.0M2,475,110Oct 16, 2024
Oct 15, 2024CConversion
Series C-1 Preferred Stockderivativeindirect: By Longitude Venture Partners IV, L.P.
-2,140,600$0.00$00Oct 16, 2024

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%
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%
43Moderate
CBLLbuy 2
Ceribell, Inc.
Tpg Gp A, LLC
owner
$6.5M
380,268 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.

Bakker Juliet Tammenoms bought $4.0M of CBLL | InsiderTell