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 Maetzold | — | May 7, 2026 | Proposed Sale | $19.24 | 14,008 | $269.5K | — | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Apr 21, 2026 | Sale | $25.10 | 4,172 | $104.7K | 2,502 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Apr 21, 2026 | Option Exercise | $2.39 | 550 | $1.3K | 22,029 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Apr 6, 2026 | Sale | $25.03 | 9,836 | $246.2K | 2,780 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Apr 6, 2026 | Option Exercise | $2.39 | 6,214 | $14.9K | 27,693 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Mar 26, 2026 | Sale | $25.55 | 4,172 | $106.6K | 3,058 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Mar 26, 2026 | Option Exercise | $2.39 | 550 | $1.3K | 22,029 | |
CSTL | Derek Maetzold | — | Mar 26, 2026 | Proposed Sale | $24.70 | 18,180 | $449.0K | — | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Mar 18, 2026 | Sale | $25.39 | 650 | $16.5K | 21,479 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Mar 17, 2026 | Sale | $25.93 | 18,650 | $483.6K | 22,129 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Mar 16, 2026 | Sale | $25.97 | 17,575 | $456.4K | 40,779 | |
CSTL | Derek J Maetzold | Director, Pres. & Chief Exec. Officer | Mar 13, 2026 | Sale | $25.45 | 13,204 | $336.0K | 58,354 | |
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 |