Kristen M. Oelschlager, Chief Operating Officer at CASTLE BIOSCIENCES INC (CSTL), sold 36,014 shares at $21.69 ($781K) on 2025-08-27, disclosed to the SEC on 2025-08-29.
Open-market sale of $781k 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.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $21.69 | 18,007 | $391K | 50.0% |
| 2 | $21.69 | 18,007 | $391K | 50.0% |
| Total | $21.69 avg | 36,014 | $781K | 100% |
| Filing → |
| CSTL | SELL | 2026-08-26 | $838K | — | Filing → |
| CSTL | SELL | 2026-08-05 | $256K | — | Filing → |
| CSTL | SELL | 2026-07-06 | $210K | — | Filing → |