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 |
|---|---|---|---|---|---|---|---|---|
| Mar 5, 2026 | Mar 9 8:12 PM | Bradley G ColeDirector | Sale | 7,403 | $28.47 | $210.7K | 19,309(D) | View → |
| Mar 3, 2026 | Mar 5 10:08 PM | Frank StokesChief Financial Officer | Sale | 7,000 | $27.44 | $192.1K | 52,483(D) | View → |
| Mar 5, 2026 | Mar 5 9:28 PM | FRANKLIN STOKES | Proposed Sale | 6,001 | $28.17 | $169.0K | — | View → |
| Mar 5, 2026 | Mar 5 9:04 PM | GORDON B. COLE | Proposed Sale | 7,403 | $28.47 | $210.7K | — | View → |
| Mar 3, 2026 | Mar 3 9:33 PM | FRANKLIN STOKES | Proposed Sale | 7,000 | $27.99 | $195.9K | — | View → |
| Feb 4, 2026 | Feb 5 9:17 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 817 | $37.99 | $31.0K | 83,698(D) | View → |
| Feb 3, 2026 | Feb 5 9:17 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 3,200 | $39.91 | $127.7K | 84,515(D) | View → |
| Jan 20, 2026 | Jan 22 9:15 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 4,017 | $40.01 | $160.7K | 87,715(D) | View → |
| Jan 5, 2026 | Jan 5 10:09 PM | Derek Maetzold | Proposed Sale | 12,051 | $39.00 | $470.0K | — | View → |
| Dec 17, 2025 | Dec 17 9:49 PM | Kristen M. Oelschlager | Proposed Sale | 14,888 | $39.05 | $581.4K | — | View → |
| Dec 15, 2025 | Dec 15 11:21 PM | Derek Maetzold | Proposed Sale | 33,685 | $38.88 | $1.3M | — | View → |
| Dec 11, 2025 | Dec 11 9:30 PM | TOBIN JUVENAL | Proposed Sale | 13,200 | $37.48 | $494.7K | — | View → |
| Dec 11, 2025 | Dec 11 9:07 PM | FRANKLIN M. STOKES | Proposed Sale | 4,496 | $37.45 | $168.4K | — | View → |
| Nov 25, 2025 | Nov 25 10:11 PM | Derek Maetzold | Proposed Sale | 10,712 | $39.93 | $427.7K | — | View → |
| Nov 24, 2025 | Nov 24 9:28 PM | TOBIN JUVENAL | Proposed Sale | 1,301 | $37.88 | $49.3K | — | View → |
| Nov 11, 2025 | Nov 12 2:32 PM | Kristen M. Oelschlager | Proposed Sale | 18,932 | $34.74 | $657.7K | — | View → |
| Nov 11, 2025 | Nov 12 12:03 PM | TOBIN JUVENAL | Proposed Sale | 5,393 | $34.74 | $187.4K | — | View → |
| Nov 11, 2025 | Nov 12 11:58 AM | FRANKLIN STOKES | Proposed Sale | 5,388 | $34.74 | $187.2K | — | View → |
| Nov 4, 2025 | Nov 4 9:53 PM | Derek Maetzold | Proposed Sale | 13,390 | $31.63 | $423.5K | — | View → |
| Oct 2, 2025 | Oct 2 9:17 PM | Derek Maetzold | Proposed Sale | 4,017 | $22.23 | $89.3K | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| 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 → |
| Mar 4, 2026 | Mar 5 10:18 PM | Tobin W JuvenalChief Commercial Officer | Option Exercise | 25,771 | — | 35,878(D) | View → |
| Mar 3, 2026 | Mar 5 10:18 PM | Tobin W JuvenalChief Commercial Officer | Grant/Award | 48,367 | — | 48,367(D) | View → |
| Mar 4, 2026 | Mar 5 10:16 PM | Kristen M OelschlagerChief Operating Officer | Option Exercise | 25,771 | — | 35,878(D) | View → |
| Mar 3, 2026 | Mar 5 10:16 PM | Kristen M OelschlagerChief Operating Officer | Grant/Award | 48,367 | — | 48,367(D) | View → |
| Mar 4, 2026 | Mar 5 10:12 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 59,097 | — | 83,961(D) | View → |
| Mar 3, 2026 | Mar 5 10:12 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Grant/Award | 102,597 | — | 102,597(D) | View → |
| Mar 4, 2026 | Mar 5 10:08 PM | Frank StokesChief Financial Officer | Option Exercise | 27,946 | $3.38 | 14,912(D) | View → |