Kristen M. Oelschlager, Chief Operating Officer at CASTLE BIOSCIENCES INC (CSTL), sold 20,000 shares at $70.94 ($1.4M) on 2021-09-27, disclosed to the SEC on 2021-09-29.
Open-market sale of $1.4M CSTL by Chief Operating 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 | $70.94 | 8,574 | $608K | 42.8% |
| 2 | $70.94 | 8,574 | $608K | 42.8% |
| 3 | $71.52 | 1,426 | $102K | 7.2% |
| 4 | $71.52 | 1,426 | $102K | 7.2% |
| Total | $71.02 avg | 20,000 | $1.4M | 100% |
| Filing → |
| CSTL | SELL | 2026-08-26 | $838K | — | Filing → |
| CSTL | SELL | 2026-08-05 | $256K | — | Filing → |
| CSTL | SELL | 2026-07-06 | $210K | — | Filing → |