CASTLE BIOSCIENCES INC
CSTL
45 insider filings · Latest: Aug 4, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jun 1, 2026 | Jun 3 8:15 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 9,836 | $20.86 | $205.1K | 1,668(I) | View → |
| Jun 1, 2026 | Jun 1 9:39 PM | Derek Maetzold | Proposed Sale | 14,008 | $20.97 | $293.7K | — | View → |
| May 21, 2026 | May 22 8:12 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 3,183 | $20.20 | $64.3K | 1,946(I) | View → |
| May 20, 2026 | May 22 8:12 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 989 | $20.00 | $19.8K | 2,158(I) | View → |
| May 7, 2026 | May 11 8:06 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 9,836 | $22.15 | $217.9K | 2,224(I) | View → |
| May 7, 2026 | May 7 8:56 PM | Derek Maetzold | Proposed Sale | 14,008 | $19.24 | $269.5K | — | View → |
| Apr 21, 2026 | Apr 23 8:16 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 4,172 | $25.10 | $104.7K | 2,502(I) | View → |
| Apr 6, 2026 | Apr 8 8:34 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 9,836 | $25.03 | $246.2K | 2,780(I) | View → |
| Mar 26, 2026 | Mar 30 10:29 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 4,172 | $25.55 | $106.6K | 3,058(I) | View → |
| Mar 26, 2026 | Mar 26 9:36 PM | Derek Maetzold | Proposed Sale | 18,180 | $24.70 | $449.0K | — | View → |
| Mar 18, 2026 | Mar 19 8:21 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 650 | $25.39 | $16.5K | 21,479(D) | View → |
| Mar 17, 2026 | Mar 19 8:21 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 18,650 | $25.93 | $483.6K | 22,129(D) | View → |
| Mar 16, 2026 | Mar 17 8:36 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 17,575 | $25.97 | $456.4K | 40,779(D) | View → |
| Mar 13, 2026 | Mar 17 8:36 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 13,204 | $25.45 | $336.0K | 58,354(D) | View → |
| Mar 12, 2026 | Mar 16 8:07 PM | Tobin W JuvenalChief Commercial Officer | Sale | 20,863 | $25.24 | $526.6K | 86,825(D) | View → |
| Mar 12, 2026 | Mar 13 8:10 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 23,179 | $25.28 | $585.9K | 71,558(D) | View → |
| Mar 11, 2026 | Mar 13 8:10 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 20,946 | $26.11 | $546.9K | 3,336(I) | View → |
| Mar 12, 2026 | Mar 12 8:38 PM | Tobin Juvenal | Proposed Sale | 20,863 | $25.32 | $528.3K | — | View → |
| Mar 11, 2026 | Mar 11 8:52 PM | Derek Maetzold | Proposed Sale | 94,204 | $26.13 | $2.5M | — | View → |
| Mar 5, 2026 | Mar 9 8:13 PM | Frank StokesChief Financial Officer | Sale | 6,001 | $27.98 | $167.9K | 60,085(D) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Mar 3, 2026 | Mar 5 10:08 PM | Frank StokesChief Financial Officer | Grant/Award | 48,367 | — | 48,367(D) | View → |
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