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 |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2024 | Sep 9 9:18 PM | Derek Maetzold | Proposed Sale | 20,583 | $29.33 | $603.7K | — | View → |
| Aug 23, 2024 | Aug 23 9:17 PM | Derek Maetzold | Proposed Sale | 44,380 | $29.57 | $1.3M | — | View → |
| Nov 15, 2024 | — | Stokes Frank | Proposed Sale | 6,923 | $31.48 | $217.9K | — | View → |
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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 → |