| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Castle Biosciences Inc (CSTL) has 11 insiders with recent SEC Form 4 filings, including 0 buys and 13 sells. CSTL is classified in the Life Sciences Tools & Services industry within the Health Care sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Other | 96.0K | $1.85M | - | |
| Other | 91.7K | $1.76M | - | |
| CFO | 58.5K | $1.12M | - | |
| COO | 21.5K | $414.2K | - | |
| Dir | 13.7K | $263.0K | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Nov 25, 2025 | Maetzold Derek J69 | Pres. &Chief Exec. Officer | Sell | 5,115 | $40.05 | $204,850.64 | -10.0% | -27.5% | - | |
| Nov 20, 2025 | Juvenal Tobin W71 | Chief Commercial Officer | Sale+OE | 4,693 | $35.58 | $166,976.94 | -5.3% | -5.7% | - | |
| Nov 18, 2025 | Maetzold Derek J69 | Pres. &Chief Exec. Officer | Sell | 2,678 | $34.02 | $91,105.56 | -5.0% | -0.4% | - | |
| Nov 12, 2025 | Juvenal Tobin W71 | Chief Commercial Officer | Sell | 700 | $35.39 | $24,775.00 | -0.4% | -7.0% | - | |
| Nov 11, 2025 | Stokes Frank70 | Chief Financial Officer | Sell | 5,388 | $35.08 | $189,011.04 | -11.1% | -7.8% | - | |
| Nov 11, 2025 | Oelschlager Kristen M72 | Chief Operating Officer | Sell | 18,932 | $35.10 | $664,513.20 | -60.6% | -7.8% | - | |
| Nov 5, 2025 | Maetzold Derek J69 | Pres. &Chief Exec. Officer | Sell | 9,373 | $30.84 | $289,078.86 | -5.3% | +16.0% | - | |
| Oct 31, 2025 | Oelschlager Kristen M72 | Chief Operating Officer | Sell | 12,678 | $25.04 | $317,457.12 | -31.5% | +53.6% | - | |
| Oct 20, 2025 | Maetzold Derek J69 | Pres. &Chief Exec. Officer | Sell | 1,339 | $22.44 | $30,047.16 | -2.1% | +77.6% | - | |
| Oct 2, 2025 | Maetzold Derek J69 | Pres. &Chief Exec. Officer | Sell | 1,339 | $22.58 | $30,234.62 | -2.0% | +75.0% | - |