Bernhard E. Spiess, Chief Business Officer at CASTLE BIOSCIENCES INC (CSTL), sold 40,000 shares at $49.97 ($2.0M) on 2020-12-01, disclosed to the SEC on 2020-12-03.
Open-market sale of $2.0M CSTL by Chief Business 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.
| Filing → |
| CSTL | SELL | 2020-09-10 | $747K | — | Filing → |
| CSTL | SELL | 2020-09-09 | $1.9M | — | Filing → |
| CSTL | SELL | 2020-08-21 | $900K | — | Filing → |