Kristen M. Oelschlager, Chief Operating Officer at CASTLE BIOSCIENCES INC (CSTL), sold 29,776 shares at $39.31 ($1.2M) on 2025-12-17, disclosed to the SEC on 2025-12-19.
Seasonal sale ($1.2M) by Chief Operating Officer — this insider has traded CSTL in December in at least three consecutive prior years. Pattern-driven, low signal.
Negative factors outweigh the positive ones.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $39.31 | 14,888 | $585K | 50.0% |
| 2 | $39.31 | 14,888 | $585K | 50.0% |
| Total | $39.31 avg | 29,776 | $1.2M | 100% |
| Filing → |
| CSTL | SELL | 2026-08-26 | $838K | — | Filing → |
| CSTL | SELL | 2026-08-05 | $256K | — | Filing → |
| CSTL | SELL | 2026-07-06 | $210K | — | Filing → |