Castle Biosciences Inc
CSTL- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0001447362
In the last 90 days, Castle Biosciences Inc insiders filed 0 open-market purchases and 20 sales; 176 institutions reported holding it in 13F filings for Q2 2026, worth $653.8M in total; no superinvestor holds it.
Politicians who traded CSTL
Since 2020, newest trade first. Shares and options by default, including trades reported under an earlier ticker.
- Trades
- 3
- Filings
- 3
- Politicians
- 2
- Buys / sells
- 2 / 1
- Estimated volume
- $24.0K
- Sum of range midpoints
| Politician | Trades | Buys / sells | Est. volume | Last traded | Last filed |
|---|---|---|---|---|---|
 Josh Gottheimer House · NJ | 2 | 1 / 1 | $16.0K | Mar 15, 2022 | Apr 17, 2022 |
 Gilbert Ray Cisneros, Jr. House · CA | 1 | 1 / 0 | $8.00K | Dec 23, 2020 | Jan 11, 2021 |
Trades
Reported trades in Castle Biosciences Inc, newest filings first.
| Politician | Asset | Type | Owner | Traded | Filed | Delay | Amount | Source |
|---|---|---|---|---|---|---|---|---|
Josh Gottheimer House · NJ | CSTLCastle Biosciences, Inc. - Common stock | Buy | Joint | Dec 21, 2020 | Jan 7, 2021 | 17 days | $1K-$15K | Filing |
Gilbert Ray Cisneros, Jr. House · CA | CSTLCastle Biosciences, Inc. - Common stock | Buy | Self | Dec 23, 2020 | Jan 11, 2021 | 19 days | $1K-$15K | Filing |
Josh Gottheimer House · NJ | CSTLCastle Biosciences, Inc. - Common stock | Sell (partial) | Joint | Mar 15, 2022 | Apr 17, 2022 | 33 days | $1K-$15K | Filing |
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report. Profiles, committees and photos: the unitedstates project (public domain). District maps: U.S. Census Bureau.