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sellWeak cluster of 410b5-1 plan

Daniel Bradbury sold $273k of CSTL

director at CASTLE BIOSCIENCES INC. 7,867 shares at an average of $34.73, traded Nov 1, 2024, filed Nov 5, 2024.

Warning score
33
Value
$273k
7,867 shares
Holdings after
4,275
-39% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $273k at market
    +13
  • Share of holdings sold
    Sold 39% of holdings
    +10
  • 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.

This signal so far: 1m +3.2%, 3m -9.6%, 6m -46.6%.

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 Nov 5, 2024: +10.5%SPY +38.1% · excess -27.6%

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 0001447362-24-000172, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 1, 2024SOpen-market sale
Common Stockindirect: By LLC10b5-1
-1,322$33.90$45k18,746Nov 5, 2024
Nov 1, 2024SOpen-market sale
Common Stockindirect: By Daniel Bradbury Irrecovable Descendant's Trust10b5-1
-375$33.90$13k5,325Nov 5, 2024
Nov 1, 2024SOpen-market sale
Common Stockindirect: By Annette Bradbury Irrecovable Descendant's Trust10b5-1
-375$33.90$13k5,325Nov 5, 2024
Nov 1, 2024SOpen-market sale
Common Stockindirect: By LLC10b5-1
-2,686$34.92$94k16,060Nov 5, 2024
Nov 1, 2024SOpen-market sale
Common Stockindirect: By Daniel Bradbury Irrecovable Descendant's Trust10b5-1
-763$34.92$27k4,562Nov 5, 2024
Nov 1, 2024SOpen-market sale
Common Stockindirect: By Annette Bradbury Irrecovable Descendant's Trust10b5-1
-763$34.92$27k4,562Nov 5, 2024
Nov 1, 2024SOpen-market sale
Common Stockindirect: By LLC10b5-1
-1,009$35.33$36k15,051Nov 5, 2024
Nov 1, 2024SOpen-market sale
Common Stockindirect: By Daniel Bradbury Irrecovable Descendant's Trust10b5-1
-287$35.33$10k4,275Nov 5, 2024
Nov 1, 2024SOpen-market sale
Common Stockindirect: By Annette Bradbury Irrecovable Descendant's Trust10b5-1
-287$35.33$10k4,275Nov 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.

Daniel Bradbury sold $273k of CSTL | InsiderTell