Zai Lab Limited (ZLAB) has 20 known insider and institutional holders on record. The largest holder is Qiming Corporate GP IV, Ltd with 9,072,932 shares. Other notable holders include WIRTH PETER and DIEKMAN JOHN D.
Over the last 12 months, insiders have made 72 transactions in ZLAB stock — 22 buys (valued at $321.83K) and 19 sells (valued at $4.18M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
ZLAB Insider Ownership
Top Holder
Qiming Corporate GP IV, Ltd
9,072,932 shares
Buys (12 mo)
22
$321.83K value
Sells (12 mo)
19
$4.18M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Qiming Corporate Gp Iv, Ltd |
10 Percent Owner |
9,072,932 |
2021-01-06 |
|
| 2 |
Wirth Peter |
Director |
393,750 |
2025-06-23 |
|
| 3 |
Diekman John D |
Director |
99,769 |
2025-06-23 |
|
| 4 |
Fu Tao |
President & COO |
77,500 |
2021-10-29 |
|
| 5 |
Leung Nisa |
Director |
73,926 |
2025-06-23 |
|
| 6 |
Sandler Alan B. |
Head of Global Dev., Oncology |
73,000 |
2022-06-27 |
|
| 7 |
Moulder Leon O Jr |
Director |
72,602 |
2025-06-23 |
|
| 8 |
Chen Kai-xian |
Director |
68,528 |
2025-01-03 |
|
| 9 |
Gaynor Richard |
Director |
56,630 |
2026-03-19 |
|
| 10 |
Vounatsos Michel |
Director |
50,416 |
2025-06-23 |
|
| 11 |
Lis William |
Director |
48,920 |
2025-06-23 |
|
| 12 |
Reinhart Harald |
See Remarks |
36,500 |
2024-06-27 |
|
| 13 |
Morrison Scott W |
Director |
34,533 |
2025-06-23 |
|
| 14 |
Liang Yi |
Cco & President, Greater China |
31,300 |
2022-06-27 |
|
| 15 |
Du Ying |
Chairperson & CEO |
25,579 |
2026-04-03 |
|
| 16 |
Smiley Joshua L |
See Remarks |
17,887 |
2026-04-03 |
|
| 17 |
Amado Rafael |
See Remarks |
14,905 |
2026-04-03 |
|
| 18 |
Chen Yajing |
Chief Financial Officer |
11,924 |
2026-04-03 |
|
| 19 |
Edmondson Frazor Titus Iii |
Chief Legal Officer |
11,924 |
2026-04-03 |
|
| 20 |
Cho William Ki Chul |
Chief Financial Officer |
2,760 |
2023-04-05 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-02 |
Chen Yajing |
Chief Financial Officer |
Option Exercise (Sell) |
2,500 |
- |
- |
| 2026-04-01 |
Chen Yajing |
Chief Financial Officer |
Option Exercise (Sell) |
1,500 |
- |
- |
| 2026-03-04 |
Chen Yajing |
Chief Financial Officer |
RSU Award |
11,924 |
- |
- |
| 2026-04-02 |
Edmondson Frazor Titus Iii |
Chief Legal Officer |
Option Exercise (Sell) |
5,031 |
- |
- |
| 2026-04-01 |
Edmondson Frazor Titus Iii |
Chief Legal Officer |
Option Exercise (Sell) |
830 |
- |
- |
| 2026-03-04 |
Edmondson Frazor Titus Iii |
Chief Legal Officer |
RSU Award |
11,924 |
- |
- |
| 2026-04-02 |
Du Ying |
Chairperson & CEO |
Option Exercise (Sell) |
6,750 |
- |
- |
| 2026-04-01 |
Du Ying |
Chairperson & CEO |
Option Exercise (Sell) |
3,400 |
- |
- |
| 2026-03-04 |
Du Ying |
Chairperson & CEO |
RSU Award |
25,579 |
- |
- |
| 2026-04-02 |
Smiley Joshua L |
See Remarks |
Option Exercise (Sell) |
7,145 |
- |
- |
| 2026-04-01 |
Smiley Joshua L |
See Remarks |
Option Exercise (Sell) |
32,062 |
- |
- |
| 2026-03-04 |
Smiley Joshua L |
See Remarks |
RSU Award |
17,887 |
- |
- |
| 2026-04-02 |
Amado Rafael |
See Remarks |
Option Exercise (Sell) |
5,391 |
- |
- |
| 2026-04-01 |
Amado Rafael |
See Remarks |
Option Exercise (Sell) |
19,523 |
- |
- |
| 2026-03-04 |
Amado Rafael |
See Remarks |
RSU Award |
14,905 |
- |
- |
| 2026-03-17 |
Gaynor Richard |
Director |
Informative Buy |
1,731 |
$18.91 |
$32.73K |
| 2026-03-13 |
Chen Yajing |
Chief Financial Officer |
Informative Sell |
1,703 |
$18.63 |
$31.72K |
| 2026-03-12 |
Chen Yajing |
Chief Financial Officer |
Option Exercise (Sell) |
4,258 |
- |
- |
| 2026-03-04 |
Chen Yajing |
Chief Financial Officer |
RSU Award |
27,027 |
- |
- |
| 2026-03-13 |
Edmondson Frazor Titus Iii |
Chief Legal Officer |
Informative Sell |
1,281 |
$18.63 |
$23.86K |
| 2026-03-12 |
Edmondson Frazor Titus Iii |
Chief Legal Officer |
Option Exercise |
4,258 |
- |
- |
| 2026-03-04 |
Edmondson Frazor Titus Iii |
Chief Legal Officer |
RSU Award |
27,027 |
- |
- |
| 2026-03-11 |
Du Ying |
Chairperson & CEO |
RSU Award |
32,419 |
- |
- |
| 2026-03-13 |
Smiley Joshua L |
See Remarks |
Informative Sell |
1,966 |
$18.63 |
$36.62K |
| 2026-03-12 |
Smiley Joshua L |
See Remarks |
Option Exercise (Sell) |
6,388 |
- |
- |
