CSTL
Castle Biosciences Inc
115 disclosed insider filings · 4 distinct insiders · latest Oct 7, 2026
Total filings
115
4 insiders
Insider buys
0
$0
Insider sells
101
$8.8M
Grants & other
0
$0
All disclosed filings
Same-day tranches are grouped per insider - the Lots column shows how many individual executions a row covers; Price is the value-weighted average.
| Filed | Tx date | Insider | Type | Qty | Avg price | Value | Lots | Source |
|---|---|---|---|---|---|---|---|---|
| Oct 7, 2026 | Oct 5, 2026 | Derek J Maetzold OFFICER | SELL | 14,496 | $35.57 | $516K | 3 | EDGAR |
| Oct 7, 2026 | Oct 5, 2026 | Derek J Maetzold OFFICER | OTHER | 8,165 | $2.39 | $20K | — | EDGAR |
| Oct 5, 2026 | Oct 1, 2026 | Kristen M Oelschlager OFFICER | SELL | 4,153 | $35.95 | $149K | 2 | EDGAR |
| Oct 5, 2026 | Oct 1, 2026 | Kristen M Oelschlager OFFICER | OTHER | 4,153 | $3.38 | $14K | — | EDGAR |
| Oct 1, 2026 | Sep 30, 2026 | Tobin W Juvenal OFFICER | SELL | 1,034 | $34.2 | $35K | — | EDGAR |
| Oct 1, 2026 | Sep 29, 2026 | Tobin W Juvenal OFFICER | SELL | 5,543 | $35.5 | $197K | — | EDGAR |
| Sep 23, 2026 | Sep 21, 2026 | Derek J Maetzold OFFICER | OTHER | 8,580 | $2.39 | $21K | — | EDGAR |
| Sep 23, 2026 | Sep 21, 2026 | Derek J Maetzold OFFICER | SELL | 14,496 | $35.33 | $512K | 3 | EDGAR |
| Sep 16, 2026 | Sep 15, 2026 | Tobin W Juvenal OFFICER | SELL | 3,294 | $35.14 | $116K | — | EDGAR |
| Sep 16, 2026 | Sep 14, 2026 | Tobin W Juvenal OFFICER | SELL | 3,306 | $32.32 | $107K | — | EDGAR |
| Sep 15, 2026 | Sep 11, 2026 | Derek J Maetzold OFFICER | OTHER | 8,584 | $2.39 | $21K | — | EDGAR |
| Sep 15, 2026 | Sep 11, 2026 | Derek J Maetzold OFFICER | SELL | 14,518 | $32.02 | $465K | 6 | EDGAR |
| Sep 3, 2026 | Sep 1, 2026 | Kristen M Oelschlager OFFICER | OTHER | 4,152 | $3.38 | $14K | — | EDGAR |
| Sep 3, 2026 | Sep 1, 2026 | Kristen M Oelschlager OFFICER | SELL | 4,152 | $33.39 | $139K | 2 | EDGAR |
| Sep 2, 2026 | Aug 31, 2026 | Tobin W Juvenal OFFICER | SELL | 1,730 | $32.81 | $57K | — | EDGAR |
| Sep 1, 2026 | Aug 28, 2026 | Derek J Maetzold OFFICER | SELL | 18,560 | $33.2 | $616K | 14 | EDGAR |
| Sep 1, 2026 | Aug 28, 2026 | Derek J Maetzold OFFICER | OTHER | 12,428 | $2.39 | $30K | — | EDGAR |
| Aug 27, 2026 | Aug 25, 2026 | Tobin W Juvenal OFFICER | SELL | 9,050 | $35.04 | $317K | — | EDGAR |
| Aug 26, 2026 | Aug 25, 2026 | Kristen M Oelschlager OFFICER | SELL | 12,384 | $34.42 | $426K | 2 | EDGAR |
| Aug 26, 2026 | Aug 24, 2026 | Kristen M Oelschlager OFFICER | SELL | 12,218 | $33.69 | $412K | — | EDGAR |
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