CSTL Castle Biosciences, Inc.
Healthcare$19.59+0.00%OpenMarket Cap: $594.2M
As of 2026-05-26
Insider Statistics (Q2 2026)
Acquisitions
5
Dispositions
29
Buy/Sell Ratio
0.17
Net Shares
-24,680
Shares Acquired
13,528
Shares Disposed
38,208
Total Bought ($)
$0.00
Total Sold ($)
$24.00
Recent Insider Trades
| Filing Date | Name | Type | Action | Shares | Price | Shares After |
|---|---|---|---|---|---|---|
| Fri May 22 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 1,035 | $20.20 | 44,781 |
| Fri May 22 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 880 | $20.20 | 38,061 |
| Fri May 22 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 420 | $20.20 | 21,479 |
| Fri May 22 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 322 | $20.00 | 45,816 |
| Fri May 22 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 273 | $20.00 | 38,941 |
| Fri May 22 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 212 | $20.20 | 1,946 |
| Fri May 22 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 130 | $20.00 | 21,479 |
| Fri May 22 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 66 | $20.00 | 2,158 |
| Fri May 22 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 420 | $2.39 | 21,899 |
| Fri May 22 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 130 | $2.39 | 21,609 |
| Mon May 11 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 5,308 | $22.08 | 22,385 |
| Mon May 11 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 1,159 | $22.08 | 46,336 |
| Mon May 11 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 985 | $22.08 | 39,382 |
| Mon May 11 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 906 | $22.59 | 21,479 |
| Mon May 11 | MAETZOLD DEREK J | director, officer: Pres. & Chief Exec. Officer | Sell | 237 | $22.08 | 2,265 |