Derek J. Maetzold, President & Chief Executive Officer at CASTLE BIOSCIENCES INC (CSTL), sold 19,300 shares at $25.93 ($500K) on 2026-03-17, disclosed to the SEC on 2026-03-19.
Scheduled sale ($500k) 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.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $25.93 | 18,650 | $484K | 96.7% |
| 2 | $25.39 | 650 | $17K | 3.3% |
| Total | $25.91 avg | 19,300 | $500K | 100% |
| Filing → |
| CSTL | SELL | 2026-09-01 | $588K | — | Filing → |
| CSTL | SELL | 2026-08-18 | $192K | — | Filing → |
| CSTL | SELL | 2026-08-06 | $1.2M | — | Filing → |