Derek J Maetzold
Director, Pres. & Chief Exec. Officer · 23 filings · Latest: Oct 5, 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 | Oct 5, 2026 | Sale | $35.57 | 14,496 | $515.6K | 6,832 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Oct 5, 2026 | Option Exercise | $2.39 | 8,165 | $19.5K | 29,644 | |
CSTL | Derek Maetzold | — | Oct 5, 2026 | Proposed Sale | $36.65 | 28,992 | $1.1M | — | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Sep 21, 2026 | Sale | $35.33 | 14,496 | $512.2K | 9,550 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Sep 21, 2026 | Option Exercise | $2.39 | 8,580 | $20.5K | 30,059 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Sep 11, 2026 | Sale | $32.02 | 14,518 | $464.9K | 12,268 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Sep 11, 2026 | Option Exercise | $2.39 | 8,584 | $20.5K | 30,063 | |
CSTL | Derek Maetzold | — | Sep 11, 2026 | Proposed Sale | $32.33 | 29,014 | $938.0K | — | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Aug 28, 2026 | Sale | $33.20 | 18,560 | $616.1K | 11,256 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Aug 28, 2026 | Option Exercise | $2.39 | 12,428 | $29.7K | 33,907 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Aug 14, 2026 | Sale | $30.02 | 7,232 | $217.1K | 11,534 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Aug 14, 2026 | Option Exercise | $2.39 | 1,100 | $2.6K | 22,579 | |
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 |
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