CSTL
Castle Biosciences Inc
60 disclosed insider filings · 3 distinct insiders · latest Aug 6, 2026
Total filings
60
3 insiders
Insider buys
0
$0
Insider sells
53
$3.7M
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 |
|---|---|---|---|---|---|---|---|---|
| Aug 6, 2026 | Aug 5, 2026 | Derek J Maetzold OFFICER | OTHER | 2,546 | $2.39 | $6K | — | EDGAR |
| Aug 6, 2026 | Aug 5, 2026 | Derek J Maetzold OFFICER | SELL | 3,575 | $30.68 | $110K | 3 | EDGAR |
| Aug 6, 2026 | Aug 4, 2026 | Derek J Maetzold OFFICER | SELL | 35,441 | $31.11 | $1.1M | 6 | EDGAR |
| Aug 6, 2026 | Aug 4, 2026 | Derek J Maetzold OFFICER | OTHER | 20,356 | $2.39 | $49K | — | EDGAR |
| Aug 6, 2026 | Nov 24, 2025 | Tobin W Juvenal OFFICER | SELL | 1,301 | $38.39 | $50K | — | EDGAR |
| Aug 5, 2026 | Aug 3, 2026 | Kristen M Oelschlager OFFICER | SELL | 8,586 | $29.77 | $256K | 3 | EDGAR |
| Aug 4, 2026 | Aug 3, 2026 | Derek J Maetzold OFFICER | OTHER | 10,664 | $2.39 | $25K | — | EDGAR |
| Aug 4, 2026 | Aug 3, 2026 | Tobin W Juvenal OFFICER | SELL | 1,730 | $28.25 | $49K | — | EDGAR |
| Aug 4, 2026 | Aug 3, 2026 | Derek J Maetzold OFFICER | SELL | 18,493 | $30.35 | $561K | 3 | EDGAR |
| Aug 4, 2026 | Jul 31, 2026 | Derek J Maetzold OFFICER | OTHER | 6,480 | $2.39 | $15K | — | EDGAR |
| Aug 4, 2026 | Jul 31, 2026 | Derek J Maetzold OFFICER | SELL | 10,153 | $30.15 | $306K | 3 | EDGAR |
| Aug 4, 2026 | Jul 31, 2026 | Tobin W Juvenal OFFICER | SELL | 17,310 | $29.31 | $507K | 3 | EDGAR |
| Jul 29, 2026 | Jul 27, 2026 | Derek J Maetzold OFFICER | OTHER | 6,214 | $2.39 | $15K | — | EDGAR |
| Jul 29, 2026 | Jul 27, 2026 | Derek J Maetzold OFFICER | SELL | 9,836 | $24.16 | $238K | 14 | EDGAR |
| Jul 16, 2026 | Jul 14, 2026 | Derek J Maetzold OFFICER | SELL | 4,172 | $22.92 | $96K | 7 | EDGAR |
| Jul 16, 2026 | Jul 14, 2026 | Derek J Maetzold OFFICER | OTHER | 550 | $2.39 | $1K | — | EDGAR |
| Jul 6, 2026 | Jul 1, 2026 | Kristen M Oelschlager OFFICER | SELL | 8,586 | $24.42 | $210K | 2 | EDGAR |
| Jul 6, 2026 | Jul 1, 2026 | Derek J Maetzold OFFICER | SELL | 9,836 | $24.29 | $239K | 7 | EDGAR |
| Jul 6, 2026 | Jul 1, 2026 | Derek J Maetzold OFFICER | OTHER | 6,214 | $2.39 | $15K | — | EDGAR |