CSTL
Castle Biosciences Inc
$24.53-0.45 (-1.80%)
Price
MA20
▲Insider buy
▼Insider sell
Loading chart...
Insider Activity
32 of 137 tradesExecutives investing their own money
🤖 AI InsightHaiku 4.5
CASTLE BIOSCIENCES INC (CSTL) is a publicly traded company with 57 insider transactions disclosed via SEC Form 4 in the past 90 days, involving 6 unique insiders. All recorded transactions were sales totaling $3.7M. Note that insider selling can occur for many reasons (diversification, tax planning, pre-scheduled 10b5-1 plans) and is not always a bearish signal. All data below is sourced directly from public SEC EDGAR Form 4 filings.
Latest Insider Transactions
Showing 10 of 137 transactions (past 365 days)
| 2026-04-23 | 2026-04-21 | Maetzold Derek J | CEO | Exercise Conversion | 550 | $0.00 | $0 |
| 2026-04-23 | 2026-04-21 | Maetzold Derek J | CEO | Sale | 1,357 | $25.10 | $34,058 |
| 2026-04-23 | 2026-04-21 | Maetzold Derek J | CEO | Sale | 1,153 | $25.10 | $28,938 |
| 2026-04-23 | 2026-04-21 | Maetzold Derek J | CEO | Sale | 550 | $25.10 | $13,804 |
| 2026-04-23 | 2026-04-21 | Maetzold Derek J | CEO | Sale | 278 | $25.10 | $6,977 |
| 2026-04-23 | 2026-04-21 | Maetzold Derek J | CEO | Exercise Conversion | 550 | $2.39 | $1,315 |
| 2026-04-08 | 2026-04-06 | Maetzold Derek J | CEO | Exercise Conversion | 6,214 | $0.00 | $0 |
| 2026-04-08 | 2026-04-06 | Maetzold Derek J | CEO | Sale | 6,214 | $25.03 | $155,536 |
| 2026-04-08 | 2026-04-06 | Maetzold Derek J | CEO | Sale | 1,357 | $25.03 | $33,966 |
| 2026-04-08 | 2026-04-06 | Maetzold Derek J | CEO | Sale | 1,153 | $25.03 | $28,860 |
Want to see more transactions?
Sign up for free to unlock more insider transactions and create watchlists.