Public STOCK Act disclosures

CSTL Politician Trading

If you can’t beat them, take advantage of them.

Track public congressional STOCK Act disclosures involving CSTL. This becomes powerful when paired with insider Form 4 activity on the same ticker.

Could following the right politician have beaten guessing?
Historical disclosure backtest · current year ongoing
-61.6%avg tracked return
0%positive trades
0hot deals now
+80% +20% -40% 97% losing-trader benchmark -74.2% 2020 -49.1% 2022
Day-trader loss-rate benchmark; varies by study and market. This is not financial advice; it is a historical signal comparison.

CSTL political disclosures

Amounts are reported as ranges and may lag the transaction date by up to 45 days under STOCK Act rules.

Compare insider trading
Disclosure Politician Asset Type Owner Amount Copy Signal
April 17, 2022
Trade March 15, 2022
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CSTL
Castle Biosciences, Inc.
Sell Joint $1,001 – $15,000 -49.1%
Trade price $36.46 → $18.56 Since politician trade: -49.1%
Disclosure price $24.35 → $18.56 Since public filing: -23.8%
Max since buy 26.1% · Filed after 33 days
Jan. 7, 2021
Trade Dec. 21, 2020
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CSTL
Castle Biosciences, Inc.
Buy Joint $1,001 – $15,000 -74.2%
Trade price $71.86 → $18.56 Since politician trade: -74.2%
Disclosure price $76.16 → $18.56 Since public filing: -75.6%
Max since buy 35.4% · Filed after 17 days