Insiders / Ragusa Robert P
Ragusa Robert P
CIK 1222644personinsider
Companies
2
First seen
Feb 9, 2026
Last activity
Apr 9, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| GRAIL, Inc. · GRAL | 518,582 | — |
| Twist Bioscience Corp · TWST | 28,983 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| GRAIL, Inc. | Common Stock | 518,582 |
| Twist Bioscience Corp | Common Stock | 28,983 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Apr 8, 2026 | Sell | GRAL GRAIL, Inc. Common Stock | $6.16M | -124K -19.23% | 518,582 1.16% of shares | medium |
| Mar 2, 2026 | Sell | GRAL GRAIL, Inc. Common Stock | $1.79M | -36K -5.20% | 652,242 1.46% of shares | medium |
| Mar 9, 2026 | Sell | GRAL GRAIL, Inc. Common Stock | $345.2K | -7K -1.11% | 642,342 1.44% of shares | medium |
| Mar 2, 2026 | Sell | GRAL GRAIL, Inc. Common Stock | $89.0K | -2K -0.26% | 650,525 1.46% of shares | low |
| Mar 5, 2026 | Sell | GRAL GRAIL, Inc. Common Stock | $51.9K | -980 -0.15% | 649,545 1.45% of shares | low |
| Mar 9, 2026 | Sell | GRAL GRAIL, Inc. Common Stock | $12.1K | -258 -0.04% | 642,084 1.44% of shares | low |
| Feb 5, 2026 | Grant | TWST Twist Bioscience Corp Common Stock | $0 | +5K +21.33% | 28,983 0.05% of shares | low |