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WJ
Insider

Wei Jiang

Director

Wei Jiang (Director) filed 1 Form 4 report in the trailing twelve months (1 purchase, 0 sales), most often in Waters Corporation (WAT). Across 1 priced purchase filing, the average 21-session return was +15.7% from execution and +6.5% from disclosure (delay-adjusted; derived). The largest single filing was $145K of WAT (500 sh × $289.46, as filed), executed Mar 16.

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Return, ttmiAverage return per filing, trailing twelve months
+15.7%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+6.5%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
2d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$145K
shares × price, as filed
Last traded
Mar 16
Filed Mar 18

Median ADV $393.7M across their filed names

Open performance
Volume by month
$145K$72K$0Oct 2024Apr 2025Oct 2025Apr 2026Mar 2026 · buys $145K
Buys $145K Sells $0

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 1 filing

Sector per market data · by filing · past 12 months

Most traded names
WAT Waters Corporation WAT · 1 buy · 0 sells 1 filing
Recent filings
WATPURCHASE Waters Corporation View filing → $145K
500 sh × $289.46
Exec Mar 16
Filed Mar 18 · 4:37 PM ET