Senior insider sale
Chairwoman & CEO at ZAI LAB LTD — senior position signals high conviction
$4.03M
209.30K shares
What this filing means
DU YING plans to sell 209.30K shares of ZAI LAB LTD valued at approximately $4.03M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 4/6/2026ACC: 0001959173-26-002788
DirectorOfficer· Chairwoman & CEO
Since Jan 2021
209.30K
Shares to sell
$4.03M
Approx. market value
2.65K
Acquired (3 months)
1
Planned
6 completed
Securities Acquired — Last 3 Months1
Restricted Stock Vesting
Compensation
4/2/2026
2.65KTotal acquired2.65K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
4/2/2026 | Restricted Stock Vesting Compensation | 2.65K | — |
| Total | 2.65K | ||
Planned & Completed Dispositions7
Completed
—Completed
Units to sell
5.58K
Market value
$113.7K
4/2/2026
—Completed
Units to sell
1.07K
Market value
$20.4K
3/11/2026
—Completed
Units to sell
50K
Market value
$951.5K
3/9/2026
—Completed
Units to sell
50K
Market value
$970.9K
3/6/2026
—Completed
Units to sell
50K
Market value
$961.1K
3/5/2026
—Completed
Units to sell
50K
Market value
$958.2K
3/4/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
2.65K
Market value
$54.2K
4/6/2026
Total
Units
209.30K
Value
$4.03M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
4/2/2026 | 5.58K | $113.7K | — | Completed |
3/11/2026 | 1.07K | $20.4K | — | Completed |
3/9/2026 | 50K | $951.5K | — | Completed |
3/6/2026 | 50K | $970.9K | — | Completed |
3/5/2026 | 50K | $961.1K | — | Completed |
3/4/2026 | 50K | $958.2K | — | Completed |
| Planned — Approximate Date | ||||
4/6/2026 | 2.65K | $54.2K | NASDAQ | Planned |
| Total | 209.30K | $4.03M | ||