Castle Biosciences Inc
Veridion Score
Composite trend over time
Why is CSTL moving today?
Castle Biosciences Inc is a molecular diagnostics company. The group provides test solutions for the diagnosis and treatment of dermatologic cancers, Barrett's esophagus (BE), and uveal melanoma. The product portfolio of the company includes DecisionDx-Melanoma, a risk stratification gene expression profile (GEP) test; DecisionDx-SCC, a risk stratification test for cutaneous squamous cell carcinoma; MyPath Melanoma, a diagnostic GEP test for use in patients with difficult-to-diagnose melanocytic lesions; and TissueCypher, a test to predict future development of progression of high-grade dysplasia and/or esophageal cancer. The company derives revenues through the delivery of test reports for its molecular diagnostic tests.
Reported fields plus Veridion-computed history. Unsourced tiles are omitted.
Warehouse intelligence for CSTL.
CSTL insider activity
Castle Biosciences Inc
2 insiders bought in the last 90 days
Net selling: -$10.9M across loaded Form 4 rows.
Loaded official disclosures do not show all three sources aligned on this ticker.
| Filing date | Trade date | Insider | Title | Type | Price | Qty | Owned | Value | Receipt |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-18 | 2026-06-16 | Oelschlager Kristen M | Insider | sell | $20.71 | 8,587 | 30,460 | $178K | SEC Form 4 |
| 2026-06-17 | 2026-06-15 | MAETZOLD DEREK J | Insider | sell | $20.66 | 278 | 12,646 | $6K | SEC Form 4 |
| 2026-06-17 | 2026-06-15 | MAETZOLD DEREK J | Insider | sell | $20.66 | 278 | 12,646 | $6K | SEC Form 4 |
| 2026-06-17 | 2026-06-15 | MAETZOLD DEREK J | Insider | sell | $20.66 | 278 | 12,646 | $6K | SEC Form 4 |
| 2026-06-17 | 2026-06-15 | MAETZOLD DEREK J | Insider | sell | $20.66 | 278 | 12,646 | $6K | SEC Form 4 |
Showing 5 recent rows. Sovereign unlocks 120 additional rows, full sorting, and the named-filer history.
Upgrade to Sovereign · $25/moCSTL contract awards, year to date.
Public federal awards linked to this ticker.
CSTL lobbying filings, year to date.
Registered lobbying filings matched to Castle Biosciences Inc.