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sellWeak cluster of 210b5-1 plan

Daniel Bradbury sold $244k of CSTL

director at CASTLE BIOSCIENCES INC. 7,867 shares at an average of $30.98, traded Dec 3, 2024, filed Dec 5, 2024.

Warning score
36
Value
$244k
7,867 shares
Holdings after
2,850
-52% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $244k at market
    +13
  • Share of holdings sold
    Sold 52% of holdings
    +20
  • Cluster
    2 insiders selling within 14 days
    +8
  • 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.

This signal so far: 1m -11.0%, 3m -36.0%, 6m -47.1%.

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.

CSTLOct 9, 2026 · close 34.42
Since filing Dec 5, 2024: +7.0%SPY +31.3% · excess -24.3%

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 0001447362-24-000190, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 3, 2024SOpen-market sale
Common Stockindirect: By LLC10b5-1
-4,669$30.95$145k10,382Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stockindirect: By Daniel Bradbury Irrecovable Descendant's Trust10b5-1
-1,326$30.95$41k2,949Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stockindirect: By Annette Bradbury Irrecovable Descendant's Trust10b5-1
-1,326$30.95$41k2,949Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stockindirect: By LLC10b5-1
-348$31.32$11k10,034Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stockindirect: By Daniel Bradbury Irrecovable Descendant's Trust10b5-1
-99$31.32$3,1012,850Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stockindirect: By Annette Bradbury Irrecovable Descendant's Trust10b5-1
-99$31.32$3,1012,850Dec 5, 2024

Related signals

Other insiders at CASTLE BIOSCIENCES INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
33Weak
CSTLsell 310b5-1
CASTLE BIOSCIENCES INC
Derek J Maetzold
Pres. & Chief Exec. Officer
$516k
14,496 shares
-49%
16Weak
CSTLsell 310b5-1
CASTLE BIOSCIENCES INC
Kristen M Oelschlager
Chief Operating Officer
$149k
4,153 shares
-24%
28Weak
CSTLsell 310b5-1
CASTLE BIOSCIENCES INC
Tobin W Juvenal
Chief Commercial Officer
$232k
6,577 shares
-11%
33Weak
CSTLsell 310b5-1
CASTLE BIOSCIENCES INC
Derek J Maetzold
Pres. & Chief Exec. Officer
$512k
14,496 shares
-48%
27Weak
CSTLsell 310b5-1
CASTLE BIOSCIENCES INC
Tobin W Juvenal
Chief Commercial Officer
$223k
6,600 shares
-10%
32Weak
CSTLsell 310b5-1
CASTLE BIOSCIENCES INC
Derek J Maetzold
Pres. & Chief Exec. Officer
$465k
14,518 shares
-48%
16Weak
CSTLsell 310b5-1
CASTLE BIOSCIENCES INC
Kristen M Oelschlager
Chief Operating Officer
$139k
4,152 shares
-24%
17Weak
CSTLsell 310b5-1
CASTLE BIOSCIENCES INC
Tobin W Juvenal
Chief Commercial Officer
$57k
1,730 shares
-3%
45Moderate
CSTLsell 310b5-1
CASTLE BIOSCIENCES INC
Derek J Maetzold
Pres. & Chief Exec. Officer
$616k
18,560 shares
-55%
25Weak
CSTLsell 210b5-1
CASTLE BIOSCIENCES INC
Kristen M Oelschlager
Chief Operating Officer
$178k
8,587 shares
-22%

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.