Castle Biosciences (CSTL): filings, insider buys & geopolitical news
CSTL geopolitical news and exposure. CSTL appears in 0 Geopolitics Alpha notes. No notes are stored for this page yet.
Government contracts
No federal prime contract obligations are matched to Castle Biosciences in USAspending.gov for the last five years, and no Department of Defense contract announcements name it in the past year. See the largest government contractors.
CSTL share price, last 12 months
Close $36.60 on Oct 5, 2026, +49.3% since Oct 24, 2025 (range $18.15 to $43.04, daily closes).
Company facts
- Ticker
- CSTL (NasdaqGM)
- Sector
- Health
- Industry (SEC SIC code)
- Services-Medical Laboratories (8071)
Industry from the SEC Standard Industrial Classification code on the company's EDGAR filings.
What changed for Castle Biosciences (CSTL)
- 0 news
- 0 SEC filings
- 0 fund / insider trades
Latest SEC filings
None on record yet.
Latest fund & insider buys and sales
None on record yet.
Latest geopolitical & market news
None on record yet.
Peers: Services-Medical Laboratories
| Company | Ticker | Federal contracts, 12 months |
|---|---|---|
| Natera | NTRA | – |
| Labcorp Holdings | LH | $96.4M |
| Quest Diagnostics | DGX | $75.5M |
| Guardant Health | GH | – |
| Caris Life Sciences | CAI | – |
| Grail | GRAL | – |
| RadNet | RDNT | – |
| Veracyte | VCYT | – |
| CareDx | CDNA | – |
| Celcuity | CELC | – |
Biggest government contractors in Health: Regeneron Pharmaceuticals ($279.4M), Fresenius Medical Care AG ($236.7M), Emergent BioSolutions ($216.6M), DaVita ($154.5M), Abbott Laboratories ($147.5M), Amgen ($126.0M), Labcorp Holdings ($96.4M), Stryker ($92.5M).
Congressional trades in CSTL
Trades in CSTL that members of Congress have publicly reported, newest filing first.
No congressional trades are stored for this view yet.
All congressional stock trades →
Geopolitical news for CSTL
Everything on CSTL, newest first
No original notes are listed on this page yet.
Frequently asked questions
Does Castle Biosciences have government contracts?
No federal prime contract obligations are matched to Castle Biosciences (CSTL) in USAspending.gov for the last five years. Subcontracts are not included.
Where does the contract data come from?
USAspending.gov (the official source of U.S. federal spending data) and the Department of Defense's daily contract announcements. Both are public domain and refreshed daily here.
What geopolitical news affects CSTL?
This page lists every Geopolitics Alpha note that names CSTL as exposed to an event, with the reason it is exposed.
Has Congress traded CSTL?
The table above lists trades in CSTL that members of Congress have publicly reported, with a link to each official filing.
Is this investment advice?
No. We show news, exposure and past price moves. Nothing here is a recommendation.