Jiang Wei
Director · WAT, STAA
As of 2026-09-16, Jiang Wei has 25 Form 4 transactions on record across 2 companies — 16 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-03-16 | WAT | Purchase | 500 @ $289.46 | $145K | +17.0% of holding | 3,441 | Form 4 |
24 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-30 | WAT | Award / grant | 67 | 3,573 | Form 4 |
| 2026-06-18 | STAA | Award / grant | 6,182 | 6,182 | Form 4 |
| 2026-06-18 | STAA | Option exercise | 10,683 | 0 | Form 4 |
| 2026-06-18 | STAA | Option exercise | 10,683 | 77,127 | Form 4 |
| 2026-03-31 | WAT | Award / grant | 64 | 3,505 | Form 4 |
| 2026-02-25 | WAT | Award / grant | 57 | 57 | Form 4 |
| 2026-02-25 | WAT | Award / grant | 23 | 2,941 | Form 4 |
| 2026-01-12 | STAA | Option exercise | 20,967 | 0 | Form 4 |
| 2026-01-12 | STAA | Option exercise | 20,967 | 66,444 | Form 4 |
| 2026-01-02 | WAT | Award / grant | 828 | 828 | Form 4 |
| 2026-01-02 | WAT | Award / grant | 307 | 2,918 | Form 4 |
| 2025-12-31 | WAT | Award / grant | 60 | 2,611 | Form 4 |
| 2025-11-12 | STAA | Option exercise | 20,967 | 45,477 | Form 4 |
| 2025-11-12 | STAA | Option exercise | 20,967 | 20,967 | Form 4 |
| 2025-09-30 | WAT | Award / grant | 73 | 2,551 | Form 4 |
| 2025-08-12 | STAA | Option exercise | 20,967 | 41,934 | Form 4 |
| 2025-08-12 | STAA | Option exercise | 20,967 | 24,510 | Form 4 |
| 2025-06-30 | WAT | Award / grant | 68 | 2,479 | Form 4 |
| 2025-06-18 | STAA | Award / grant | 10,683 | 10,683 | Form 4 |
| 2025-05-12 | STAA | Award / grant | 62,901 | 62,901 | Form 4 |
| 2025-03-31 | WAT | Award / grant | 53 | 2,410 | Form 4 |
| 2025-01-02 | WAT | Award / grant | 319 | 2,357 | Form 4 |
| 2025-01-02 | WAT | Award / grant | 818 | 818 | Form 4 |
| 2024-12-31 | WAT | Award / grant | 81 | 2,038 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.