CASTLE BIOSCIENCES INC
CSTL
26 insider filings · Latest: Jun 1, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 1, 2026 | Jun 3 4:15 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 9,836 | $20.86 | $205.1K | 1,668(I) | View → |
| May 21, 2026 | May 22 4:12 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 3,183 | $20.20 | $64.3K | 1,946(I) | View → |
| May 20, 2026 | May 22 4:12 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 989 | $20.00 | $19.8K | 2,158(I) | View → |
| May 7, 2026 | May 11 4:06 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 9,836 | $22.15 | $217.9K | 2,224(I) | View → |
| Apr 21, 2026 | Apr 23 4:16 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 4,172 | $25.10 | $104.7K | 2,502(I) | View → |
| Apr 6, 2026 | Apr 8 4:34 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 9,836 | $25.03 | $246.2K | 2,780(I) | View → |
| Mar 26, 2026 | Mar 30 6:29 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 4,172 | $25.55 | $106.6K | 3,058(I) | View → |
| Mar 18, 2026 | Mar 19 4:21 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 650 | $25.39 | $16.5K | 21,479(D) | View → |
| Mar 17, 2026 | Mar 19 4:21 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 18,650 | $25.93 | $483.6K | 22,129(D) | View → |
| Mar 16, 2026 | Mar 17 4:36 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 17,575 | $25.97 | $456.4K | 40,779(D) | View → |
| Mar 13, 2026 | Mar 17 4:36 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 13,204 | $25.45 | $336.0K | 58,354(D) | View → |
| Mar 12, 2026 | Mar 16 4:07 PM | Tobin W JuvenalChief Commercial Officer | Sale | 20,863 | $25.24 | $526.6K | 86,825(D) | View → |
| Mar 12, 2026 | Mar 13 4:10 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 23,179 | $25.28 | $585.9K | 71,558(D) | View → |
| Mar 11, 2026 | Mar 13 4:10 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 20,946 | $26.11 | $546.9K | 3,336(I) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Apr 6, 2026 | Apr 8 4:34 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 6,214 | $2.39 | 7,518(D) | View → |
| Mar 26, 2026 | Mar 30 6:29 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 550 | $2.39 | 13,732(D) | View → |
| Mar 26, 2026 | Mar 30 6:27 PM | Rodney CottonDirector | Option Exercise | 5,329 | — | 5,330(D) | View → |
| Mar 11, 2026 | Mar 13 4:10 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 6,226 | $2.39 | 14,282(D) | View → |
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