Frank Stokes, Chief Financial Officer at CASTLE BIOSCIENCES INC (CSTL), sold 21,343 shares at $27.32 ($594K) on 2026-03-03, disclosed to the SEC on 2026-03-05.
Open-market sale of $594k CSTL by Chief Financial Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $27.32 | 5,300 | $145K | 24.4% |
| 2 | $27.57 | 3,611 | $100K | 16.8% |
| 3 | $27.81 | 1,700 | $47K | 8.0% |
| 4 | $28.17 | 10,732 | $302K | 50.9% |
| Total | $27.83 avg | 21,343 | $594K | 100% |
| Filing → |
| CSTL | SELL | 2025-12-15 | $337K | — | Filing → |
| CSTL | SELL | 2025-11-13 | $378K | — | Filing → |
| CSTL | SELL | 2025-02-24 | $430K | — | Filing → |