Frank Stokes, Chief Financial Officer at CASTLE BIOSCIENCES INC (CSTL), sold 39,000 shares at $49.98 ($1.9M) on 2020-09-14, disclosed to the SEC on 2020-09-16.
Open-market sale of $1.9M 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 | $49.98 | 13,000 | $650K | 33.7% |
| 2 | $48.52 | 5,259 | $255K | 13.3% |
| 3 | $48.52 | 5,259 | $255K | 13.3% |
| 4 | $49.43 | 7,741 | $383K | 19.9% |
| 5 | $49.43 | 7,741 | $383K | 19.9% |
| Total | $49.37 avg | 39,000 |
| $1.9M |
| 100% |
| Filing → |
| CSTL | SELL | 2026-03-05 | $192K | — | Filing → |
| CSTL | SELL | 2025-12-15 | $337K | — | Filing → |
| CSTL | SELL | 2025-11-13 | $378K | — | Filing → |