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 |
|---|---|---|---|---|---|---|---|---|
| Aug 14, 2026 | Aug 14 10:50 PM | FRANKLIN M. STOKES | Proposed Sale | 24,908 | $29.77 | $741.5K | — | View → |
| Aug 14, 2026 | Aug 14 9:38 PM | Derek Maetzold | Proposed Sale | 25,792 | $29.62 | $764.0K | — | View → |
| Nov 24, 2025 | Aug 6 8:14 PM | Tobin W JuvenalChief Commercial Officer | Sale | 1,301 | $38.39 | $49.9K | 77,694(D) | View → |
| Aug 5, 2026 | Aug 6 8:14 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 3,575 | $30.68 | $109.7K | 19,607(I) | View → |
| Aug 4, 2026 | Aug 6 8:14 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 35,441 | $31.11 | $1.1M | 20,080(I) | View → |
| Aug 3, 2026 | Aug 5 8:18 PM | Kristen M OelschlagerChief Operating Officer | Sale | 8,586 | $29.77 | $255.6K | 13,288(D) | View → |
| Aug 3, 2026 | Aug 4 8:36 PM | Tobin W JuvenalChief Commercial Officer | Sale | 1,730 | $28.25 | $48.9K | 78,995(D) | View → |
| Jul 31, 2026 | Aug 4 8:36 PM | Tobin W JuvenalChief Commercial Officer | Sale | 17,310 | $29.31 | $507.3K | 80,725(D) | View → |
| Aug 3, 2026 | Aug 4 8:35 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 18,493 | $30.35 | $561.3K | 27,009(I) | View → |
| Jul 31, 2026 | Aug 4 8:35 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 10,153 | $30.15 | $306.1K | 30,606(I) | View → |
| Jul 31, 2026 | Jul 31 8:52 PM | Tobin Juvenal | Proposed Sale | 22,500 | $28.00 | $630.0K | — | View → |
| Jul 31, 2026 | Jul 31 8:52 PM | Derek Maetzold | Proposed Sale | 67,662 | $28.00 | $1.9M | — | View → |
| Jul 27, 2026 | Jul 29 8:09 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 9,836 | $24.16 | $237.7K | 11,812(I) | View → |
| Jul 14, 2026 | Jul 16 8:16 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 4,172 | $22.92 | $95.6K | 12,090(I) | View → |
| Jul 1, 2026 | Jul 6 8:25 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 9,836 | $24.29 | $238.9K | 12,368(I) | View → |
| Jul 1, 2026 | Jul 6 8:24 PM | Kristen M OelschlagerChief Operating Officer | Sale | 8,586 | $24.42 | $209.7K | 21,874(D) | View → |
| Jul 1, 2026 | Jul 1 9:35 PM | Derek Maetzold | Proposed Sale | 23,844 | $24.71 | $589.2K | — | View → |
| Jun 16, 2026 | Jun 18 8:19 PM | Kristen M OelschlagerChief Operating Officer | Sale | 8,587 | $20.71 | $177.8K | 30,460(D) | View → |
| Jun 15, 2026 | Jun 17 9:39 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 4,172 | $20.66 | $86.2K | 12,646(I) | View → |
| Jun 16, 2026 | Jun 16 8:35 PM | KRISTEN OELSCHLAGER | Proposed Sale | 29,911 | $20.66 | $618.0K | — | View → |
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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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