Du Ying
Chairperson & CEO
Du Ying has filed 14 SEC Form 4 filings (44 transaction rows) across 1 company, with disclosures dating back to 2025. 14 of those filings fall inside the rolling window. Most recent filing: Jul 6, 2026.
Companies traded
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$8.6M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| ZLAB | Chairperson & CEO | Sale | 7,026 | $130K | Jul 1 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 24,543 | $429K | Jun 29 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 50,000 | $1.0M | May 19 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 50,000 | $950K | May 19 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 50,000 | $998K | May 15 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 50,000 | $1.0M | May 15 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 2,653 | $54K | Apr 8 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 5,576 | $114K | Apr 3 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 1,067 | $20K | Mar 12 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 50,000 | $971K | Mar 10 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 50,000 | $951K | Mar 10 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 50,000 | $958K | Mar 6 | SEC ↗ | |
| ZLAB | Chairperson & CEO | Sale | 50,000 | $961K | Mar 6 | SEC ↗ |