Joseph C. Cook III, Director, 10% Owner at CASTLE BIOSCIENCES INC (CSTL), sold 21,068 shares at $37.10 ($782K) on 2020-05-20, disclosed to the SEC on 2020-05-21.
Open-market sale of $782k CSTL by Director, 10% Owner. 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 | $37.03 | 900 | $33K | 4.3% |
| 2 | $37.10 | 10,084 | $374K | 47.9% |
| 3 | $37.10 | 10,084 | $374K | 47.9% |
| Total | $37.10 avg | 21,068 | $782K | 100% |
| Filing → |
| CSTL | SELL | 2020-12-11 | $8.6M | — | Filing → |
| CSTL | SELL | 2020-12-09 | $4.7M | — | Filing → |
| CSTL | SELL | 2020-10-14 | $5.3M | — | Filing → |