Derek J. Maetzold, President & Chief Executive Officer at CASTLE BIOSCIENCES INC (CSTL), sold 14,518 shares at $32.00 ($465K) on 2026-09-11, disclosed to the SEC on 2026-09-15.
Scheduled sale ($465k) 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 | $32.00 | 2,656 | $85K | 18.3% |
| 2 | $32.00 | 3,124 | $100K | 21.5% |
| 3 | $32.00 | 8,361 | $268K | 57.6% |
| 4 | $32.78 | 71 | $2K | 0.5% |
| 5 | $32.78 | 83 | $3K | 0.6% |
| 6 | $32.78 | 223 |
| $7K |
| 1.6% |
| Total | $32.02 avg | 14,518 | $465K | 100% |
| Filing → |
| CSTL | SELL | 2026-08-18 | $192K | — | Filing → |
| CSTL | SELL | 2026-08-06 | $1.2M | — | Filing → |
| CSTL | SELL | 2026-08-04 | $867K | — | Filing → |