Insiders / Jiang Wei
Jiang Wei
CIK 1867980personinsider
Companies
2
First seen
Jan 5, 2026
Last activity
Apr 2, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Staar Surgical Co · STAA | 66,444 | — |
| Waters Corp · WAT | 3,505 | — |
All securities held
3 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Staar Surgical Co | Common Stock | 66,444 |
| Waters Corp | Common Stock | 3,505 |
| Waters Corp | Stock Option (Right to Buy)Derivative | 57 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 16, 2026 | Buy | WAT Waters Corp Common Stock | $144.7K | +500 +17.00% | 3,441 <0.01% of shares | medium |
| Mar 31, 2026 | Grant | WAT Waters Corp Common Stock | $0 | +64 +1.86% | 3,505 <0.01% of shares | low |
| Jan 12, 2026 | Exercise | STAA Staar Surgical Co Common Stock | $0 | +21K +46.10% | 66,444 0.13% of shares | low |
| Feb 25, 2026 | Grant | WAT Waters Corp Common Stock | $0 | +23 +0.79% | 2,941 <0.01% of shares | low |
| Jan 2, 2026 | Grant | WAT Waters Corp Common Stock | $0 | +307 +11.76% | 2,918 <0.01% of shares | low |
| Dec 31, 2025 | Grant | WAT Waters Corp Common Stock | $0 | +60 +2.34% | 2,611 <0.01% of shares | low |
| Jan 12, 2026 | Exercise | STAA Staar Surgical Co Restricted Stock Units | — | -21K -100.00% | 0 0.00% of shares | low |
| Feb 25, 2026 | Grant | WAT Waters Corp Stock Option (Right to Buy) | — | +57 | 57 <0.01% of shares | low |
| Jan 2, 2026 | Grant | WAT Waters Corp Stock Option (Right to Buy) | — | +828 | 828 <0.01% of shares | low |