DU YING

PrivateCIK: 1731790

Senior insider sale

Chairwoman & CEO at ZAI LAB LTD — senior position signals high conviction

$10.91M

330.44K shares

What this filing means

DU YING plans to sell 330.44K shares of ZAI LAB LTD valued at approximately $10.91M. 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.

InsiderDU YINGCIK 1731790
IssuerZAI LAB LTDCIK 1704292
DirectorOfficer· Chairwoman & CEO
Since Jan 2021
330.44K
Shares to sell
$10.91M
Approx. market value
46.39K
Acquired (3 months)
1
Planned
8 completed
Securities Acquired — Last 3 Months1
Sort

Option Granted - 10/22/2015

Cash

8/13/2025
46.39K
Total acquired46.39K
Planned & Completed Dispositions9
Sort

Completed

Completed

Units to sell

50K

Market value

$1.71M

8/12/2025
Completed

Units to sell

50K

Market value

$1.73M

8/11/2025
Completed

Units to sell

50K

Market value

$1.74M

8/8/2025
Completed

Units to sell

7.07K

Market value

$249.1K

7/2/2025
Completed

Units to sell

6.92K

Market value

$245.7K

6/30/2025
Completed

Units to sell

23.67K

Market value

$855.2K

6/26/2025
Completed

Units to sell

46.39K

Market value

$1.30M

5/14/2025
Completed

Units to sell

50K

Market value

$1.43M

5/13/2025

Planned — Approximate Date

NASDAQPlanned

Units to sell

46.39K

Market value

$1.65M

8/13/2025
Total

Units

330.44K

Value

$10.91M

DU YING — Planned Insider Sale (Form 144) | Finecho