Insiders / Maetzold Derek J / Activity
Activity — Maetzold Derek J
110 moves.
| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| May 7, 2026 | Exercise | CSTL Castle Biosciences, Inc. Stock option (right to buy) | — | -6K -89.18% | 754 <0.01% of shares | low |
| Apr 21, 2026 | Exercise | CSTL Castle Biosciences, Inc. Stock option (right to buy) | — | -550 -7.32% | 6,968 0.02% of shares | low |
| Apr 6, 2026 | Exercise | CSTL Castle Biosciences, Inc. Stock option (right to buy) | — | -6K -45.25% | 7,518 0.02% of shares | low |
| Mar 26, 2026 | Exercise | CSTL Castle Biosciences, Inc. Stock option (right to buy) | — | -550 -3.85% | 13,732 0.04% of shares | low |
| Mar 11, 2026 | Exercise | CSTL Castle Biosciences, Inc. Stock option (right to buy) | — | -6K -30.36% | 14,282 0.05% of shares | low |
| Mar 4, 2026 | Exercise | CSTL Castle Biosciences, Inc. Restricted Stock Units | — | -28K -25.00% | 83,961 0.27% of shares | low |
| Mar 4, 2026 | Exercise | CSTL Castle Biosciences, Inc. Restricted Stock Units | — | -31K -33.33% | 62,218 0.20% of shares | low |
| Mar 3, 2026 | Grant | CSTL Castle Biosciences, Inc. Restricted Stock Units | — | +103K | 102,597 0.34% of shares | low |
| Mar 4, 2026 | Exercise | CSTL Castle Biosciences, Inc. Common Stock | — | +59K +91.40% | 123,752 0.41% of shares | low |
| Jan 12, 2026 | Grant | CSTL Castle Biosciences, Inc. Performance-Based Stock Unit | — | +62K | 62,219 0.20% of shares | low |