Jiang Wei
SEC Form 4 insider trading activity
Jiang Wei has filed 8 SEC Form 4 filings (9 transaction rows) across 2 companies, including STAA, WAT, with disclosures dating back to 2025. 8 of those filings fall inside the rolling window. Most recent filing: Jun 22, 2026.
On the most recent filing, Jiang Wei is listed as Director at WATERS CORP. Inside the rolling window, Jiang Wei reported 1 open-market purchase totaling $145K in WAT and no open-market sales.
Companies traded
Other insiders at STAA
Insider Buying
$145K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Jiang Wei made?
Jiang Wei has filed 8 SEC Form 4 filings (9 transaction rows) across 2 companies, including STAA, WAT since 2025.
Which companies does Jiang Wei trade?
Jiang Wei has filed SEC Form 4 disclosures for 2 companies, including STAA, WAT.
When was Jiang Wei's most recent SEC Form 4 filing?
Jiang Wei's most recent SEC Form 4 filing on Tracefour is dated Jun 22, 2026.
What is Jiang Wei's total buy and sell value in the current window?
Inside the rolling retention window, Jiang Wei bought $145K and sold $0 based on SEC Form 4 filings.
What was Jiang Wei's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 500 WAT shares on 2026-03-16, worth $145K, per SEC Form 4 filings.