Zai Lab Ltd (ZLAB) Insider Ownership

Historic Insider Ownership Trends

Data spanning the past 90 days through January 10, 2026 reveals that Zai Lab's three principal insider shareholders consist of Director Nisa Leung (8.00Mn shares), Chairperson & Ceo Ying Du (964.16K shares), Director Peter Wirth (393.75K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Nisa Leung 7,996,858 23 Jun, 2025
Ying Du Chairperson & Ceo 964,161 12 Dec, 2025
Peter Wirth 393,750 23 Jun, 2025
Tao Fu President & Coo 273,103 29 Oct, 2021
Yi Liang Cco & President And Greater China 104,847 05 Apr, 2022
John D Diekman 99,769 23 Jun, 2025
Joshua L Smiley Nan 86,604 12 Sep, 2025
Leon O Jr Moulder 72,602 23 Jun, 2025
Harald Reinhart Nan 62,619 27 Jun, 2024
Richard Gaynor 54,899 23 Jun, 2025
William Ki Chul Cho Chief Financial Officer 53,747 05 Apr, 2023
Rafael Amado Nan 52,391 02 Jan, 2026
Michel Vounatsos 50,416 23 Jun, 2025
Kai-Xian Chen 39,525 03 Jan, 2025
William Lis 35,106 23 Jun, 2025
Scott W Morrison 34,533 23 Jun, 2025
Alan B. Sandler Head Of Global Dev. And Oncology 28,985 05 Apr, 2022
Frazor Titus Iii Edmondson Chief Legal Officer 19,086 18 Dec, 2025
Yajing Chen Chief Financial Officer 17,444 04 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
31 Dec, 2025 Rafael Amado American Depositary Shares D 10,787 $17.43 52,391 D S
30 Dec, 2025 Rafael Amado American Depositary Shares A 21,000 - 63,178 D M
16 Dec, 2025 Frazor Titus Iii Edmondson American Depositary Shares D 8,651 $17.14 19,086 D S
11 Dec, 2025 Ying Du American Depositary Shares A 377,520 $0.00 964,161 D G
10 Dec, 2025 Ying Du American Depositary Shares D 303,378 $0.00 586,641 D G
21 Nov, 2025 Frazor Titus Iii Edmondson American Depositary Shares D 14,328 $19.78 27,737 D S
03 Nov, 2025 Yajing Chen American Depositary Shares D 240 $26.83 17,444 D S
31 Oct, 2025 Yajing Chen American Depositary Shares A 500 - 17,684 D M
02 Oct, 2025 Yajing Chen American Depositary Shares D 456 $34.25 17,184 D S
01 Oct, 2025 Yajing Chen American Depositary Shares A 920 - 17,640 D M
10 Sep, 2025 Joshua L Smiley American Depositary Shares A 10,000 $28.91 86,604 D P
29 Aug, 2025 Ying Du American Depositary Shares D 251,319 $32.59 890,019 D F
29 Aug, 2025 Ying Du American Depositary Shares A 604,376 $1.20 1,141,338 D M
18 Aug, 2025 Joshua L Smiley American Depositary Shares D 6,641 $36.24 76,604 D S
18 Aug, 2025 Joshua L Smiley - - 76,604 D
18 Aug, 2025 Frazor Titus Iii Edmondson American Depositary Shares D 1,883 $36.24 42,065 D S
15 Aug, 2025 Joshua L Smiley - - 83,245 D
15 Aug, 2025 Joshua L Smiley American Depositary Shares A 15,900 - 83,245 D M
15 Aug, 2025 Frazor Titus Iii Edmondson American Depositary Shares A 4,850 - 43,948 D M
15 Aug, 2025 Yajing Chen American Depositary Shares D 828 $35.53 16,720 D S