Frank Stokes, Chief Financial Officer at CASTLE BIOSCIENCES INC (CSTL), sold 8,992 shares at $37.45 ($337K) on 2025-12-11, disclosed to the SEC on 2025-12-15.
Seasonal sale ($337k) by Chief Financial Officer — this insider has traded CSTL in December in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $37.45 | 4,496 | $168K | 50.0% |
| 2 | $37.45 | 4,496 | $168K | 50.0% |
| Total | $37.45 avg | 8,992 | $337K | 100% |
| Filing → |
| CSTL | SELL | 2026-03-05 | $192K | — | Filing → |
| CSTL | SELL | 2025-11-13 | $378K | — | Filing → |
| CSTL | SELL | 2025-02-24 | $430K | — | Filing → |