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 |
|---|---|---|---|---|---|---|---|---|
| Oct 12, 2026 | Oct 14 8:06 PM | Tobin W JuvenalChief Commercial Officer | Sale | 3,288 | $33.64 | $110.6K | 48,719(D) | View → |
| Oct 12, 2026 | Oct 13 12:52 PM | Tobin Juvenal | Proposed Sale | 13,154 | $32.76 | $430.9K | — | View → |
| Oct 5, 2026 | Oct 7 8:10 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 14,496 | $35.57 | $515.6K | 6,832(I) | View → |
| Oct 5, 2026 | Oct 5 10:24 PM | Derek Maetzold | Proposed Sale | 28,992 | $36.65 | $1.1M | — | View → |
| Oct 1, 2026 | Oct 5 8:07 PM | Kristen M OelschlagerChief Operating Officer | Sale | 4,153 | $35.95 | $149.3K | 13,356(D) | View → |
| Oct 1, 2026 | Oct 1 8:24 PM | KRISTEN OELSCHLAGER | Proposed Sale | 4,153 | $35.53 | $147.6K | — | View → |
| Sep 30, 2026 | Oct 1 8:21 PM | Tobin W JuvenalChief Commercial Officer | Sale | 1,034 | $34.20 | $35.4K | 52,007(D) | View → |
| Sep 29, 2026 | Oct 1 8:21 PM | Tobin W JuvenalChief Commercial Officer | Sale | 5,543 | $35.50 | $196.8K | 53,041(D) | View → |
| Sep 21, 2026 | Sep 23 8:27 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 14,496 | $35.33 | $512.2K | 9,550(I) | View → |
| Sep 15, 2026 | Sep 16 8:20 PM | Tobin W JuvenalChief Commercial Officer | Sale | 3,294 | $35.14 | $115.8K | 58,584(D) | View → |
| Sep 14, 2026 | Sep 16 8:20 PM | Tobin W JuvenalChief Commercial Officer | Sale | 3,306 | $32.32 | $106.9K | 61,878(D) | View → |
| Sep 11, 2026 | Sep 15 8:08 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 14,518 | $32.02 | $464.9K | 12,268(I) | View → |
| Sep 14, 2026 | Sep 14 10:00 PM | Tobin Juvenal | Proposed Sale | 13,177 | $33.44 | $440.6K | — | View → |
| Sep 11, 2026 | Sep 11 10:53 PM | Derek Maetzold | Proposed Sale | 29,014 | $32.33 | $938.0K | — | View → |
| Sep 1, 2026 | Sep 3 8:07 PM | Kristen M OelschlagerChief Operating Officer | Sale | 4,152 | $33.39 | $138.6K | 13,356(D) | View → |
| Aug 31, 2026 | Sep 2 8:07 PM | Tobin W JuvenalChief Commercial Officer | Sale | 1,730 | $32.81 | $56.8K | 65,184(D) | View → |
| Aug 28, 2026 | Sep 1 8:12 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Sale | 18,560 | $33.20 | $616.1K | 11,256(I) | View → |
| Aug 25, 2026 | Aug 27 8:38 PM | Tobin W JuvenalChief Commercial Officer | Sale | 9,050 | $35.04 | $317.1K | 66,914(D) | View → |
| Aug 25, 2026 | Aug 26 8:16 PM | Kristen M OelschlagerChief Operating Officer | Sale | 12,384 | $34.42 | $426.3K | 72,649(I) | View → |
| Aug 24, 2026 | Aug 26 8:16 PM | Kristen M OelschlagerChief Operating Officer | Sale | 12,218 | $33.69 | $411.6K | 85,033(I) | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Oct 5, 2026 | Oct 7 8:10 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 8,165 | $2.39 | 0(D) | View → |
| Oct 1, 2026 | Oct 5 8:07 PM | Kristen M OelschlagerChief Operating Officer | Option Exercise | 4,153 | $3.38 | 8,305(D) | View → |
| Sep 21, 2026 | Sep 23 8:27 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 8,580 | $2.39 | 8,165(D) | View → |
| Sep 11, 2026 | Sep 15 8:08 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 8,584 | $2.39 | 16,745(D) | View → |
| Sep 1, 2026 | Sep 3 8:07 PM | Kristen M OelschlagerChief Operating Officer | Option Exercise | 4,152 | $3.38 | 12,458(D) | View → |
| Aug 28, 2026 | Sep 1 8:12 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 12,428 | $2.39 | 25,329(D) | View → |
| Aug 14, 2026 | Aug 18 8:09 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 1,100 | $2.39 | 37,757(D) | View → |
| Aug 5, 2026 | Aug 6 8:14 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 2,546 | $2.39 | 38,857(D) | View → |
| Aug 4, 2026 | Aug 6 8:14 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 20,356 | $2.39 | 41,403(D) | View → |
| Aug 3, 2026 | Aug 4 8:35 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 10,664 | $2.39 | 61,759(D) | View → |
| Jul 31, 2026 | Aug 4 8:35 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 6,480 | $2.39 | 72,423(D) | View → |
| Jul 27, 2026 | Jul 29 8:09 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 6,214 | $2.39 | 78,903(D) | View → |
| Jul 14, 2026 | Jul 16 8:16 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 550 | $2.39 | 85,117(D) | View → |
| Jul 1, 2026 | Jul 6 8:25 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 6,214 | $2.39 | 85,667(D) | View → |
| Jun 15, 2026 | Jun 17 9:39 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 550 | $2.39 | 91,881(D) | View → |
| Jun 1, 2026 | Jun 3 8:15 PM | Derek J MaetzoldDirector, Pres. & Chief Exec. Officer | Option Exercise | 6,214 | $2.39 | 92,431(D) | View → |
| May 28, 2026 | Jun 1 8:48 PM | Tiffany OlsonDirector | Grant/Award | 11,766 | — | 11,766(D) | View → |
| May 28, 2026 | Jun 1 8:48 PM | Ellen GoldbergDirector | Grant/Award | 11,766 | — | 11,766(D) | View → |
| May 28, 2026 | Jun 1 8:48 PM | Miles HarrisonDirector | Grant/Award | 11,766 | — | 11,766(D) | View → |
| May 28, 2026 | Jun 1 8:47 PM | Rodney CottonDirector | Grant/Award | 11,766 | — | 11,766(D) | View → |
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