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 | 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 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Jun 1, 2026 | Option Exercise | $2.39 | 6,214 | $14.9K | 27,693 | |
CSTL | Derek Maetzold | — | Jun 1, 2026 | Proposed Sale | $20.97 | 14,008 | $293.7K | — | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | May 21, 2026 | Sale | $20.20 | 3,183 | $64.3K | 1,946 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | May 21, 2026 | Option Exercise | $2.39 | 420 | $1.0K | 21,899 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | May 20, 2026 | Sale | $20.00 | 989 | $19.8K | 2,158 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | May 20, 2026 | Option Exercise | $2.39 | 130 | $311 | 21,609 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | May 7, 2026 | Sale | $22.15 | 9,836 | $217.9K | 2,224 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | May 7, 2026 | Option Exercise | $2.39 | 6,214 | $14.9K | 27,693 |