Derek J. Maetzold, President & Chief Executive Officer at CASTLE BIOSCIENCES INC (CSTL), sold 63,680 shares at $38.75 ($2.5M) on 2025-12-15, disclosed to the SEC on 2025-12-17.
Scheduled sale ($2.5M) 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 | $38.75 | 18,513 | $717K | 29.1% |
| 2 | $38.75 | 18,513 | $717K | 29.1% |
| 3 | $39.30 | 1,012 | $40K | 1.6% |
| 4 | $38.55 | 12,821 | $494K | 20.1% |
| 5 | $38.55 | 12,821 | $494K | 20.1% |
| Total | $38.68 avg | 63,680 |
| $2.5M |
| 100% |
| Filing → |
| CSTL | SELL | 2026-09-01 | $588K | — | Filing → |
| CSTL | SELL | 2026-08-18 | $192K | — | Filing → |
| CSTL | SELL | 2026-08-06 | $1.2M | — | Filing → |