Castle Biosciences, Inc. (NASDAQ: CSTL) Stock Information | RedChip
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Castle Biosciences, Inc. (NASDAQ: CSTL)
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$21.34
-0.2600 ( -1.20% ) 79.8K

Castle Biosciences Inc is a commercial-stage dermatological cancer company. It is focused on providing physicians and their patients with personalized, clinically actionable genomic information to make more accurate treatment decisions. The product portfolio of the company includes Cutaneous Melanoma, DecisionDx-Melanoma, DecisionDx-CMSeq, and DecisionDx-PRAME among others.

Market Data


Open $21.34
Previous Close $21.60
Volume 79.8K
Market Cap $618.43M
Day Range $20.94 - $21.82
52 Week Range $14.59 - $44.28
Shares Outstanding 30.33M
Change % -1.20%
Net Change ▼ -0.2600
Insider Ownership -0.03%
Exchange NASDAQ
SectorMiscellaneous
IndustryNone
IPO Year2019
CountryUnited States
UnderwriterIPO Intelligence Only

Insider Ownership Transactions

Total Amount Purchased: -597,675.00

Date Type Amount Purchased Purchaser
2024-08-14 Sale -5021.00 BRADBURY DANIEL
2024-08-13 Sale -66991.00 MAETZOLD DEREK J
2024-08-13 Sale -9745.00 Stokes Frank
2024-08-13 Sale -4600.00 Stokes Frank
2024-08-13 Sale -10641.00 Juvenal Tobin W
2024-08-13 Sale -10641.00 Oelschlager Kristen M
2024-08-05 Sale -8764.00 Oelschlager Kristen M
2024-07-31 Sale -2793.00 Oelschlager Kristen M
2024-07-16 Sale -440.00 Caple Kim
2024-07-16 Sale -440.00 Goldberg Ellen

SEC Filings


Form Type Description Pages Date
4 Insider transactions 1 Sep 19, 2025
4 Insider transactions 1 Sep 04, 2025
4 Insider transactions 1 Aug 29, 2025
4 Insider transactions 1 Aug 29, 2025
4 Insider transactions 1 Aug 19, 2025
4 Insider transactions 1 Aug 15, 2025
4 Insider transactions 1 Aug 12, 2025
4 Insider transactions 1 Aug 12, 2025
4 Insider transactions 1 Aug 12, 2025
4 Insider transactions 1 Aug 12, 2025

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