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CSTLCastle Biosciences Inc

Kristen Oelschlager

Chief Operating Officer at Castle Biosciences Inc, as of Oct 5, 2026Sold $3.3M of stock in the past 12 months: 57% under a disclosed plan and 43% with no plan disclosed.

Updated Oct 16, 2026 from SEC filings · covers Oct 17, 2025 to Oct 16, 2026
105K
shares sold, past 12 months
10
days with sales
$665K
largest single day, Nov 11, 2025
1
company filed for

Share of stake sold and shares held at Castle Biosciences Inc are being verified and not shown yet. Why

Selling by month

Oct 2025 to Oct 2026. Each sale is counted once: under a disclosed plan, else to cover taxes, else no plan disclosed.

Disclosed planNo plan disclosedOne dollar scale for every month; the tallest bar is labeled
Oct 2025: $317K under a disclosed planOctNov 2025: $665K under a disclosed planNovDec 2025: $585K no plan disclosedDecJanFebMarAprMayJun 2026: $178K under a disclosed planJunJul 2026: $210K under a disclosed planJulAug 2026: $256K under a disclosed planAug 2026: $838K no plan disclosed$1.1MAugSep 2026: $139K under a disclosed planSepOct 2026: $149K under a disclosed planOct

Pattern

What the filings show, past 12 months. Nothing here rates or predicts.

Roles from filings

Every company we track where this person has filed, newest filing first.

CompanyTitleFirst filingLatest filing
Castle Biosciences Inc (CSTL)Chief Operating OfficerApr 15, 2021Oct 5, 2026

Recent filings

The last 5 days with transactions, newest first, one line per trade date. Each number links to an SEC filing.

This page shows only what this person reported on SEC ownership filings. See the methodology. Spotted something wrong? Report an error.