Derek J Maetzold
Director, Pres. & Chief Exec. Officer · 18 filings · Latest: Aug 4, 2026
CASTLE BIOSCIENCES INC
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Mar 12, 2026 | Sale | $25.28 | 23,179 | $585.9K | 71,558 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Mar 11, 2026 | Sale | $26.11 | 20,946 | $546.9K | 3,336 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Mar 11, 2026 | Option Exercise | $2.39 | 6,226 | $14.9K | 112,047 | |
CSTL | Derek Maetzold | — | Mar 11, 2026 | Proposed Sale | $26.13 | 94,204 | $2.5M | — | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Mar 4, 2026 | Option Exercise | — | 59,097 | — | 123,752 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Feb 4, 2026 | Sale | $37.99 | 817 | $31.0K | 83,698 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Feb 3, 2026 | Sale | $39.91 | 3,200 | $127.7K | 84,515 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jan 20, 2026 | Sale | $40.01 | 4,017 | $160.7K | 87,715 | |
CSTL | Derek Maetzold | — | Jan 5, 2026 | Proposed Sale | $39.00 | 12,051 | $470.0K | — | |
CSTL | Derek Maetzold | — | Dec 15, 2025 | Proposed Sale | $38.88 | 33,685 | $1.3M | — | |
CSTL | Derek Maetzold | — | Nov 25, 2025 | Proposed Sale | $39.93 | 10,712 | $427.7K | — | |
CSTL | Derek Maetzold | — | Nov 4, 2025 | Proposed Sale | $31.63 | 13,390 | $423.5K | — | |
CSTL | Derek Maetzold | — | Oct 2, 2025 | Proposed Sale | $22.23 | 4,017 | $89.3K | — | |
CSTL | Derek Maetzold | — | Aug 15, 2025 | Proposed Sale | $20.09 | 4,017 | $80.7K | — | |
CSTL | Derek Maetzold | — | Aug 13, 2025 | Proposed Sale | $19.41 | 43,019 | $835.0K | — | |
CSTL | Derek Maetzold | — | Jun 27, 2025 | Proposed Sale | $20.35 | 16,932 | $344.6K | — | |
CSTL | Derek Maetzold | — | Apr 8, 2025 | Proposed Sale | $18.60 | 16,932 | $314.9K | — | |
CSTL | Derek Maetzold | — | Mar 7, 2025 | Proposed Sale | $20.21 | 34,821 | $703.7K | — | |
CSTL | Derek Maetzold | — | Mar 4, 2025 | Proposed Sale | $22.23 | 5,687 | $126.4K | — | |
CSTL | Derek Maetzold | — | Dec 13, 2024 | Proposed Sale | $28.87 | 48,303 | $1.4M | — |