Jiang Wei
SEC CIK 1867980 · EDGAR
BoughtSold
Most active insiders at WAT, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | KUEBLER CHRISTOPHER A | Dir | — | $1.44M |
| 2 | FEARON RICHARD H | Dir | $306.3K | — |
| 3 | Jiang Wei | Dir | $144.7K | — |
| 4 | Carpio Robert L III | SVP, Waters Division | — | — |
| 5 | Knight Heather | Dir | — | — |
| 6 | Bennett Jianqing | SVP Waters Adv. Diagnostics | — | — |
| 7 | Huang Pearl S | Dir | — | — |
| 8 | Batra Udit | Pres, CEO, Dir | — | — |
| 9 | Chaubal Amol | SVP, CFO | — | — |
| 10 | Ornskov Flemming | Dir | — | — |
Transactions 23
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-02 16:24 | 2026-06-30 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +67.42 | 3,573 | +2% | $0 | |
| D | 2026-06-22 16:05 | 2026-06-18 | STAA | STAAR SURGICAL CO | Jiang Wei | Dir | M - OptEx | $0.00 | +10.7K | 77.1K | +16% | $0 |
| 2026-04-02 17:03 | 2026-03-31 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +64.06 | 3,505 | +2% | $0 | |
| 2026-03-18 | 2026-03-16 | WAT | Waters Corporation | Jiang Wei | Dir | P - Purchase | $289.46 | +500 | 3,441 | +17% | +$144.7K | |
| D | 2026-02-27 | 2026-02-25 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +23 | 2,941 | +0.8% | $0 |
| D | 2026-01-14 | 2026-01-12 | STAA | STAAR SURGICAL CO | Jiang Wei | Dir | M - OptEx | $0.00 | +21.0K | 66.4K | +46% | $0 |
| DM | 2026-01-05 | 2025-12-31+ | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +366.79 | 2,611 | +16% | $0 |
| D | 2025-11-14 | 2025-11-12 | STAA | STAAR SURGICAL CO | Jiang Wei | Dir | M - OptEx | $0.00 | +21.0K | 45.5K | +86% | $0 |
| 2025-10-02 | 2025-09-30 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +72.91 | 2,551 | +3% | $0 | |
| D | 2025-08-13 | 2025-08-12 | STAA | STAAR SURGICAL CO | Jiang Wei | Dir | M - OptEx | $0.00 | +21.0K | 24.5K | +592% | $0 |
| 2025-07-01 | 2025-06-30 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +68.35 | 2,479 | +3% | $0 | |
| 2025-04-02 | 2025-03-31 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +52.95 | 2,410 | +2% | $0 | |
| D | 2025-01-06 | 2025-01-02 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +319 | 2,357 | +16% | $0 |
| 2025-01-03 | 2024-12-31 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +80.65 | 2,038 | +4% | $0 | |
| 2024-10-02 | 2024-09-30 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +62.97 | 1,958 | +3% | $0 | |
| 2024-07-02 | 2024-06-28 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +64.24 | 1,895 | +4% | $0 | |
| D | 2024-06-24 | 2024-06-20 | STAA | STAAR SURGICAL CO | Jiang Wei | Dir | A - Grant | $0.00 | +2,244 | 3,543 | +173% | $0 |
| D | 2024-03-14 | 2024-03-12 | STAA | STAAR SURGICAL CO | Jiang Wei | Dir | A - Grant | $0.00 | +1,299 | 1,299 | New | $0 |
| D | 2024-01-03 | 2024-01-02 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +334 | 1,100 | +44% | $0 |
| D | 2023-01-05 | 2023-01-03 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +318 | 766 | +71% | $0 |
| D | 2022-01-05 | 2022-01-03 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +301 | 448 | +205% | $0 |
| DA | 2021-07-19 | 2021-07-14 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +147 | 147 | New | $0 |
| D | 2021-07-15 | 2021-07-14 | WAT | Waters Corporation | Jiang Wei | Dir | A - Grant | $0.00 | +147 | 147 | New | $0 |
Purchase Sale Sale after option exercise All abbreviations