CASTLE BIOSCIENCES INC
Customers
0
None disclosed
Suppliers
2
2 disclosed
Latest period
Dec 31, 2025
10-K filed 2026-02-26
Suppliers 2
Companies that disclose CSTL as a major customer, as a share of their own revenue. 2 active, 0 lapsed.
| Company | % of their revenue | Est. $ from CSTL | Period | Trend | Status | Source |
|---|---|---|---|---|---|---|
| QGEN QIAGEN N.V. |
Named | — | FY 2025-12-31 | — | Active | 10-K 2026-02-26 |
We procure certain reagents, equipment, chips/cards and other materials used to perform our tests from sole suppliers such as ThermoFisher Scientific, Inc., Promega and Qiagen, Inc. Some of these items are unique to these suppliers and vendors. | ||||||
| ThermoFisher Scientific, Inc. Non-SEC ThermoFisher Scientific, Inc. |
Named | — | FY 2025-12-31 | — | Active | 10-K 2026-02-26 |
We procure certain reagents, equipment, chips/cards and other materials used to perform our tests from sole suppliers such as ThermoFisher Scientific, Inc., Promega and Qiagen, Inc. Some of these items are unique to these suppliers and vendors. | ||||||
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