MAETZOLD DEREK J is a corporate insider at CASTLE BIOSCIENCES INC (CSTL) filing SEC Form 4 transactions. 1,526 transactions across 2 companies, totaling $0 in purchases and $87,096,369 in sales. Source: SEC EDGAR.
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Exercise | 550 | $2.39 | $1K | 91,881 | 6/15/2026 Filed: 6/15/2026 | Filing → | |
| Sale | 278 | $20.66 | $6K | 12,646 | 6/15/2026 Filed: 6/15/2026 | Filing → | |
| Sale | 278 | $20.66 | $6K | 12,646 | 6/15/2026 Filed: 6/15/2026 | Filing → | |
| Sale | 278 | $20.66 | $6K | 12,646 | 6/15/2026 Filed: 6/15/2026 | Filing → | |
| Sale | 278 | $20.66 | $6K | 12,646 | 6/15/2026 Filed: 6/15/2026 | Filing → | |
| Sale | 1,153 | $20.66 | $24K | 35,755 | 6/15/2026 Filed: 6/15/2026 | Filing → | |
| Sale | 1,357 | $20.66 | $28K | 42,067 | 6/15/2026 Filed: 6/15/2026 | Filing → | |
| Sale | 550 | $20.66 | $11K | 21,479 | 6/15/2026 Filed: 6/15/2026 | Filing → | |
| Exercise | 550 | $2.39 | $1K | 22,029 | 6/15/2026 Filed: 6/15/2026 | Filing → | |
| Exercise | 6,214 | $2.39 | $15K | 754 | 5/7/2026 Filed: 5/7/2026 | Filing → | |
| Sale | 41 | $22.59 | $926 | 2,224 | 5/7/2026 Filed: 5/7/2026 | Filing → | |
| Sale | 41 | $22.59 | $926 | 2,224 | 5/7/2026 Filed: 5/7/2026 | Filing → | |
| Sale | 41 | $22.59 | $926 | 2,224 | 5/7/2026 Filed: 5/7/2026 | Filing → | |
| Sale | 41 | $22.59 | $926 | 2,224 | 5/7/2026 Filed: 5/7/2026 | Filing → | |
| Sale | 168 | $22.59 | $4K | 39,214 | 5/7/2026 Filed: 5/7/2026 | Filing → | |
| Sale | 198 | $22.59 | $4K | 46,138 | 5/7/2026 Filed: 5/7/2026 | Filing → | |
| Sale | 906 | $22.59 | $20K | 21,479 | 5/7/2026 Filed: 5/7/2026 | Filing → | |
| Sale | 237 | $22.08 | $5K | 2,265 | 5/7/2026 Filed: 5/7/2026 | Filing → | |
| Sale | 237 | $22.08 | $5K | 2,265 | 5/7/2026 Filed: 5/7/2026 | Filing → | |
| Sale | 237 | $22.08 | $5K | 2,265 | 5/7/2026 Filed: 5/7/2026 | Filing → |
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