Name: Du Ying: Insider Trading History
Creator: Tracefour
License: https://www.usa.gov/government-works
Keywords: Du Ying, insider trading, SEC Form 4

Question 1

How many SEC Form 4 filings has Du Ying made?

Accepted Answer

Du Ying has filed 3 SEC Form 4 filings (8 transaction rows) across 1 company since 2026.

Question 2

Which companies does Du Ying trade?

Accepted Answer

Du Ying has filed SEC Form 4 disclosures for 1 company, including ZLAB.

Question 3

When was Du Ying's most recent SEC Form 4 filing?

Accepted Answer

Du Ying's most recent SEC Form 4 filing on Tracefour is dated Jul 6, 2026.

Question 4

What is Du Ying's job title?

Accepted Answer

On the most recent SEC Form 4 filings tracked by Tracefour, Du Ying is listed as Chairperson & CEO.

Question 5

What is Du Ying's total buy and sell value in the current window?

Accepted Answer

Inside the rolling retention window, Du Ying bought $0 and sold $559K based on SEC Form 4 filings.

							Source
ZLAB	Du Ying	Chairperson & CEO	Sale	7,026	$130K	Jul 1	SEC ↗
ZLAB	Du Ying	Chairperson & CEO	Sale	24,543	$429K	Jun 29	SEC ↗

Du Ying

Companies traded