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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  1. Home/
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  3. CSTL
Ticker · CUSIP 14843C105

CSTL

CASTLE BIOSCIENCES INC
Healthcare·Diagnostics & Research
···Share
Holders (tracked)
11
Combined shares
2,055,960
Combined value
$79.98M
Last close
$25.05
Quarter
2025Q4
Price is -35.6% vs the avg quarter-end implied price across tracked holders.
Explore related topics
  • CSTL insider trading
    Every Form 4 filing by CSTL officers, directors, and 10%+ holders.
  • CSTL analyst target prices
    Wall Street consensus target, analyst-by-analyst breakdown, and revision history.
  • Most popular hedge-fund stocks
    See where this ticker ranks against the broader smart-money consensus.
  • All insider trading
    Cross-ticker view of where corporate insiders are buying on the open market.
  • Congress stock trades
    Real-time PTR disclosures filed under the STOCK Act.
  • Smart-money signals
    Composite signals where institutional, insider and Congress flows converge.

SEC event timeline

No SEC events recorded for this ticker yet.

Insider activity

No insider transactions in the last 30 days.
View full insider history for CSTL →

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
No position changes reported on this name for the latest quarter.

Who owns CSTL

No tracked super-investor holds CSTL as of 2025Q4.

Recent moves

0 transactions
No recorded moves yet.
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<iframe src="https://openstocks.me/embed/stocks/CSTL" width="100%" height="480" frameborder="0" loading="lazy" title="CSTL chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>
Preview: https://openstocks.me/embed/stocks/CSTL
Price · 1Y$25.05+3.54 (+16.46%)H $43.04 · L $14.65 · Avg Vol 434K
$20.00$30.00$40.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
1192024Q12025Q4