Who are Castle Biosciences, Inc.'s main suppliers?

Castle Biosciences, Inc. (CSTL) key suppliers include: SCIBASE, NORIDIAN-HEALTHCARE-SOLUTIONS-LLC. View the full supplier network at chainsifter.com/chain/CSTL.

Who are Castle Biosciences, Inc.'s major customers?

Castle Biosciences, Inc. (CSTL) key customers include: MEDICARE, COMMERCIAL-PAYOR. View the full customer network at chainsifter.com/chain/CSTL.

What sector is Castle Biosciences, Inc. in?

Castle Biosciences, Inc. (CSTL) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

CSTL Supply Chain: Castle Biosciences, Inc. Suppliers & Customers

2Suppliers

2Customers

3Debt Items

0Related Chains

Castle Biosciences, Inc. Suppliers

Ticker	Name	Confidence	Evidence
SCIBASE	SCIBASE	90%	SciBase is entitled to royalties on our product sales, a mark-up on product sales to us, and a milestone payment upon achieving specified sales thresholds.
NORIDIAN-HEALTHCARE-SOLUTIONS-LLC	NORIDIAN-HEALTHCARE-SOLUTIONS-LLC	80%	The MAC responsible for administering claims for laboratory services located in Arizona is Noridian Healthcare Solutions, LLC ("Noridian").

Castle Biosciences, Inc. Customers

Ticker	Name	Confidence	Evidence
MEDICARE	MEDICARE	90%	Our revenue from patients covered by Medicare as a percentage of total revenue, was 47 % for the year ended December 31, 2024.
COMMERCIAL-PAYOR	COMMERCIAL-PAYOR	85%	Additionally, there was a commercial payor from which 15 % of our revenue from patients was derived for the year ended December 31, 2024.

Castle Biosciences, Inc. Debt Obligations

Instrument	Description	Confidence	Evidence
CSTL-DEBT-8892	Warrants outstanding: 403142	90%	xbrl warrant detail from xbrl 2020-12-31.
CSTL-DEBT-8893	Xbrl Convertible	90%	xbrl convertible detail from xbrl 2020-12-31.
CSTL-DEBT	Debt stack $36.7M	90%	Market cache reports total debt of $36.7M.

Castle Biosciences, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Castle Biosciences, Inc..

Castle Biosciences, Inc. Ownership

Holder	Name	Confidence	Evidence
CSTL-OWNER-BLACKROCK-INC	BlackRock, Inc.	90%	13F overlay lists BlackRock, Inc. as top holder; 190 tracked holders.

Castle Biosciences, Inc. Extended Supply Chain Network

No secondary connectionsNo correlated companies found through shared supply chain relationships.

Castle Biosciences, Inc. Supply Chain