Derek J. Maetzold, President & Chief Executive Officer at CASTLE BIOSCIENCES INC (CSTL), sold 4,017 shares at $40.01 ($161K) on 2026-01-20, disclosed to the SEC on 2026-01-22.
Scheduled sale ($161k) by President & Chief Executive Officer under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Negative factors outweigh the positive ones.
| Filing → |
| CSTL | SELL | 2026-09-01 | $588K | — | Filing → |
| CSTL | SELL | 2026-08-18 | $192K | — | Filing → |
| CSTL | SELL | 2026-08-06 | $1.2M | — | Filing → |