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 Maetzold | — | Aug 14, 2026 | Proposed Sale | $29.62 | 25,792 | $764.0K | — | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Aug 5, 2026 | Sale | $30.68 | 3,575 | $109.7K | 19,607 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Aug 5, 2026 | Option Exercise | $2.39 | 2,546 | $6.1K | 24,025 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Aug 4, 2026 | Sale | $31.11 | 35,441 | $1.1M | 20,080 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Aug 4, 2026 | Option Exercise | $2.39 | 20,356 | $48.7K | 41,835 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Aug 3, 2026 | Sale | $30.35 | 18,493 | $561.3K | 27,009 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Aug 3, 2026 | Option Exercise | $2.39 | 10,664 | $25.5K | 32,143 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jul 31, 2026 | Sale | $30.15 | 10,153 | $306.1K | 30,606 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jul 31, 2026 | Option Exercise | $2.39 | 6,480 | $15.5K | 27,959 | |
CSTL | Derek Maetzold | — | Jul 31, 2026 | Proposed Sale | $28.00 | 67,662 | $1.9M | — | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jul 27, 2026 | Sale | $24.16 | 9,836 | $237.7K | 11,812 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jul 27, 2026 | Option Exercise | $2.39 | 6,214 | $14.9K | 27,693 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jul 14, 2026 | Sale | $22.92 | 4,172 | $95.6K | 12,090 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jul 14, 2026 | Option Exercise | $2.39 | 550 | $1.3K | 22,029 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jul 1, 2026 | Sale | $24.29 | 9,836 | $238.9K | 12,368 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jul 1, 2026 | Option Exercise | $2.39 | 6,214 | $14.9K | 27,693 | |
CSTL | Derek Maetzold | — | Jul 1, 2026 | Proposed Sale | $24.71 | 23,844 | $589.2K | — | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jun 15, 2026 | Sale | $20.66 | 4,172 | $86.2K | 12,646 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jun 15, 2026 | Option Exercise | $2.39 | 550 | $1.3K | 22,029 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jun 1, 2026 | Sale | $20.86 | 9,836 | $205.1K | 1,668 |
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