CASTLE BIOSCIENCES INC
CSTL
60 insider filings · Latest: Oct 12, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 25, 2026 | Aug 25 9:46 PM | Tobin Juvenal | Proposed Sale | 22,500 | $35.00 | $787.5K | — | View → |
| Aug 24, 2026 | Aug 24 8:47 PM | Kristen M. Oelschlager | Proposed Sale | 24,602 | $34.20 | $841.4K | — | View → |
| Aug 17, 2026 | Aug 19 8:11 PM | Tobin W JuvenalChief Commercial Officer | Sale | 1,730 | $29.59 | $51.2K | 75,964(D) | View → |
| Aug 14, 2026 | Aug 18 8:10 PM | Frank StokesChief Financial Officer | Sale | 24,908 | $29.77 | $741.5K | 35,177(D) | View → |
| Aug 14, 2026 | Aug 18 8:09 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 7,232 | $30.02 | $217.1K | 11,534(I) | View → |
| 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 → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| May 28, 2026 | Jun 1 8:47 PM | Kim CapleDirector | Grant/Award | 11,766 | — | 11,766(D) | View → |
| May 28, 2026 | Jun 1 8:44 PM | Daniel BradburyDirector | Grant/Award | 11,766 | — | 11,766(D) | View → |
| May 28, 2026 | Jun 1 8:43 PM | Bradley G ColeDirector | Grant/Award | 11,766 | — | 11,766(D) | View → |
| May 22, 2026 | May 27 8:20 PM | Bradley G ColeDirector | Option Exercise | 13,667 | — | 0(D) | View → |
| May 22, 2026 | May 27 8:18 PM | Daniel BradburyDirector | Option Exercise | 13,667 | — | 0(D) | View → |
| May 22, 2026 | May 27 8:18 PM | Miles HarrisonDirector | Option Exercise | 13,667 | — | 0(D) | View → |
| May 22, 2026 | May 27 8:17 PM | Tiffany OlsonDirector | Option Exercise | 13,667 | — | 0(D) | View → |
| May 22, 2026 | May 27 8:17 PM | Ellen GoldbergDirector | Option Exercise | 13,667 | — | 0(D) | View → |
| May 22, 2026 | May 27 8:16 PM | Kim CapleDirector | Option Exercise | 13,667 | — | 0(D) | View → |
| May 22, 2026 | May 27 8:16 PM | Rodney CottonDirector | Option Exercise | 13,667 | — | 0(D) | View → |
| May 21, 2026 | May 26 8:06 PM | Tobin W JuvenalChief Commercial Officer | Option Exercise | 11,210 | $3.38 | 0(D) | View → |
| May 21, 2026 | May 22 8:12 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 420 | $2.39 | 204(D) | View → |
| May 20, 2026 | May 22 8:12 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 130 | $2.39 | 624(D) | View → |
| May 7, 2026 | May 11 8:06 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 6,214 | $2.39 | 754(D) | View → |
| Apr 21, 2026 | Apr 23 8:16 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 550 | $2.39 | 6,968(D) | View → |
| Apr 6, 2026 | Apr 8 8:34 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 6,214 | $2.39 | 7,518(D) | View → |
| Mar 26, 2026 | Mar 30 10:29 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 550 | $2.39 | 13,732(D) | View → |
| Mar 26, 2026 | Mar 30 10:27 PM | Rodney CottonDirector | Option Exercise | 5,329 | — | 5,330(D) | View → |
| Mar 11, 2026 | Mar 13 8:10 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 6,226 | $2.39 | 14,282(D) | View → |
| Mar 5, 2026 | Mar 9 8:12 PM | Bradley G ColeDirector | Option Exercise | 4,748 | $3.38 | 20,000(D) | View → |