Insiders / Juvenal Tobin W
Juvenal Tobin W
CIK 1856542personinsider
Companies
1
First seen
Jan 14, 2026
Last activity
Mar 16, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Castle Biosciences, Inc. · CSTL | 86,825 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Castle Biosciences, Inc. | Common Stock | 86,825 |
| Castle Biosciences, Inc. | Restricted Stock UnitsDerivative | 35,878 |
| Castle Biosciences, Inc. | Performance-Based Stock UnitDerivative | 9,207 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 12, 2026 | Sell | CSTL Castle Biosciences, Inc. Common Stock | $526.6K | -21K -19.37% | 86,825 0.28% of shares | medium |
| Mar 4, 2026 | Other | CSTL Castle Biosciences, Inc. Common Stock | $292.9K | -10K -8.81% | 107,688 0.35% of shares | low |
| Mar 3, 2026 | Other | CSTL Castle Biosciences, Inc. Common Stock | $102.5K | -4K -3.87% | 92,316 0.30% of shares | low |
| Jan 12, 2026 | Grant | CSTL Castle Biosciences, Inc. Common Stock | $0 | +9K +10.60% | 96,032 0.31% of shares | low |
| Mar 4, 2026 | Exercise | CSTL Castle Biosciences, Inc. Restricted Stock Units | — | -12K -25.00% | 35,878 0.12% of shares | low |
| Mar 4, 2026 | Exercise | CSTL Castle Biosciences, Inc. Restricted Stock Units | — | -14K -33.33% | 27,621 0.09% of shares | low |
| Mar 3, 2026 | Grant | CSTL Castle Biosciences, Inc. Restricted Stock Units | — | +48K | 48,367 0.16% of shares | low |
| Mar 4, 2026 | Exercise | CSTL Castle Biosciences, Inc. Common Stock | — | +26K +27.92% | 118,087 0.39% of shares | low |
| Jan 12, 2026 | Grant | CSTL Castle Biosciences, Inc. Performance-Based Stock Unit | — | +9K | 9,207 0.03% of shares | low |