Frank Stokes, Chief Financial Officer at CASTLE BIOSCIENCES INC (CSTL), sold 17,127 shares at $73.02 ($1.3M) on 2021-06-15, disclosed to the SEC on 2021-06-17.
Open-market sale of $1.3M 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 | $73.02 | 11,600 | $847K | 67.7% |
| 2 | $73.07 | 2,127 | $155K | 12.4% |
| 3 | $73.07 | 2,127 | $155K | 12.4% |
| 4 | $73.00 | 1,273 | $93K | 7.4% |
| Total | $73.03 avg | 17,127 | $1.3M | 100% |
| Filing → |
| CSTL | SELL | 2026-03-05 | $192K | — | Filing → |
| CSTL | SELL | 2025-12-15 | $337K | — | Filing → |
| CSTL | SELL | 2025-11-13 | $378K | — | Filing → |