CSTL
31.40 -2.61% Castle Biosciences, Inc. - Common stock Healthcare Services Stocks
Open in Risen →
Castle Biosciences, Inc. - Common stock (CSTL) is listed on NASDAQ in the Services sector. This page tracks real-time CSTL price, technical indicators including RSI, MACD, and the 52-week range, plus fundamentals, earnings history, and recent insider trading activity.
Technical Analysis
RSI (14) 69.7 Near Overbought
Market Cap $959.3M
Volume 504.9K
Fundamentals — 10-Q Q2 2026
Revenue $187.2M
Net Income $-16.6M
EPS $-0.55
Gross Margin 76.4%
Operating Margin -11.5%
Net Margin -8.9%
Debt / Equity 0.0x
P/E Ratio -57.1x
Earnings
Recent Insider Trades
| Name | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 39,016 | $31.07 | $1.2M | 2026 Aug 5 |
| Oelschlager Kristen M | Chief Operating Officer | Sell | 8,586 | $29.77 | $255,622 | 2026 Aug 3 |
| Juvenal Tobin W | Chief Commercial Officer | Sell | 19,040 | $29.21 | $556,175 | 2026 Aug 3 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 28,646 | $30.28 | $867,451 | 2026 Aug 3 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 9,836 | $24.16 | $237,682 | 2026 Jul 27 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 4,172 | $22.92 | $95,622 | 2026 Jul 14 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 9,836 | $24.29 | $238,916 | 2026 Jul 1 |
| Oelschlager Kristen M | Chief Operating Officer | Sell | 8,586 | $24.42 | $209,650 | 2026 Jul 1 |
| Oelschlager Kristen M | Chief Operating Officer | Sell | 8,587 | $20.71 | $177,837 | 2026 Jun 16 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 4,172 | $20.66 | $86,194 | 2026 Jun 15 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 9,836 | $20.86 | $205,149 | 2026 Jun 1 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 4,172 | $20.15 | $84,066 | 2026 May 21 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 9,836 | $22.15 | $217,904 | 2026 May 7 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 4,172 | $25.10 | $104,709 | 2026 Apr 21 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 9,836 | $25.03 | $246,195 | 2026 Apr 6 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 4,172 | $25.55 | $106,599 | 2026 Mar 26 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 19,300 | $25.91 | $500,098 | 2026 Mar 18 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 30,779 | $25.75 | $792,410 | 2026 Mar 16 |
| Juvenal Tobin W | Chief Commercial Officer | Sell | 20,863 | $25.24 | $526,582 | 2026 Mar 12 |
| Maetzold Derek J | Pres. & Chief Exec. Officer | Sell | 44,125 | $25.67 | $1.1M | 2026 Mar 12 |
Take CSTL further
- Browse Healthcare Services Stocks for the rest of the group, with what the businesses in it have in common and where they differ.
- Put CSTL in a portfolio and see what it does to total return, drawdown, and how the rest of your holdings move with it. Compares against the S&P 500 over the same days, free and without an account.
- Screen for others like it by RSI, valuation, market cap, and insider activity.
- Check the earnings calendar for when Castle Biosciences, Inc. - Common stock next reports.
Set alerts on CSTL
Get notified when Castle Biosciences, Inc. - Common stock hits your price targets or technical conditions are met.
Get Started Free