Zai Lab's three largest insider shareholders as of April 17, 2026 are Nisa Leung (Director, 7.99Mn shares), Ying Du (Chairperson Ceo, 1.12Mn shares), Ying Du (Chairwoman Ceo, 1.01Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Nisa Leung | - | 63,095 | 7,922,932 | 22 Sep, 2021 |
| Ying Du | Chairperson Ceo | 1,122,626 | 0 | 08 Apr, 2026 |
| Ying Du | Chairwoman Ceo | 1,008,653 | 0 | 08 Sep, 2021 |
| Peter Wirth | - | 393,750 | 0 | 23 Jun, 2025 |
| Peter Wirth | - | 350,615 | 0 | 04 Jan, 2022 |
| Tao Fu | President Coo | 187,668 | 0 | 27 Sep, 2021 |
| Joshua L Smiley | - | 117,602 | 0 | 08 Apr, 2026 |
| Yi Liang | Cco President, Greater China | 104,847 | 0 | 05 Apr, 2022 |
| John D Diekman | - | 99,769 | 0 | 23 Jun, 2025 |
| Tao Fu | President Coo | 0 | 77,500 | 29 Oct, 2021 |
| Nisa Leung | - | 73,926 | 0 | 23 Jun, 2025 |
| Leon O Jr Moulder | - | 72,602 | 0 | 23 Jun, 2025 |
| John D Diekman | - | 67,615 | 0 | 07 Feb, 2022 |
| Harald Reinhart | - | 62,619 | 0 | 27 Jun, 2024 |
| Rafael Amado | - | 57,022 | 0 | 08 Apr, 2026 |
| Richard Gaynor | - | 56,630 | 0 | 19 Mar, 2026 |
| William Ki Chul Cho | Chief Financial Officer | 53,747 | 0 | 05 Apr, 2023 |
| Michel Vounatsos | - | 50,416 | 0 | 23 Jun, 2025 |
| Kai-Xian Chen | - | 39,525 | 0 | 03 Jan, 2025 |
| William Lis | - | 35,106 | 0 | 23 Jun, 2025 |
| Scott W Morrison | - | 34,533 | 0 | 23 Jun, 2025 |
| William Lis | - | 34,114 | 0 | 21 Jan, 2022 |
| Yajing Chen | Chief Financial Officer | 31,705 | 0 | 08 Apr, 2026 |
| Kai-Xian Chen | - | 31,016 | 0 | 15 Feb, 2022 |
| Alan B. Sandler | Head Of Global Dev., Oncology | 28,985 | 0 | 05 Apr, 2022 |
| Alan B. Sandler | Head Of Global Dev., Oncology | 27,925 | 0 | 03 Dec, 2021 |
| Harald Reinhart | Chief Medical Officer | 24,097 | 0 | 30 Dec, 2021 |
| Frazor Titus Iii Edmondson | Chief Legal Officer | 23,366 | 0 | 08 Apr, 2026 |
| Leon O Jr Moulder | - | 21,615 | 0 | 04 Jan, 2022 |
| Richard Gaynor | - | 8,912 | 0 | 22 Nov, 2021 |
| Scott W Morrison | - | 7,345 | 0 | 18 Oct, 2021 |
* 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 06 Apr, 2026 | Rafael Amado | American Depositary Shares | D | 2,739 | $20.45 | 57,022 | D | S |
| 06 Apr, 2026 | Ying Du | American Depositary Shares | D | 2,653 | $20.45 | 1,122,626 | D | S |
| 06 Apr, 2026 | Frazor Titus Iii Edmondson | American Depositary Shares | D | 1,224 | $20.45 | 23,366 | D | S |
| 06 Apr, 2026 | Yajing Chen | American Depositary Shares | D | 853 | $20.45 | 31,705 | D | S |
| 06 Apr, 2026 | Joshua L Smiley | American Depositary Shares | D | 3,017 | $20.45 | 117,602 | D | S |
| 01 Apr, 2026 | Rafael Amado | American Depositary Shares | A | 19,523 | - | 64,280 | D | M |
| 01 Apr, 2026 | Joshua L Smiley | American Depositary Shares | A | 32,062 | - | 123,088 | D | M |
| 01 Apr, 2026 | Ying Du | American Depositary Shares | A | 10,800 | - | 1,120,705 | D | M |
| 01 Apr, 2026 | Yajing Chen | American Depositary Shares | A | 1,500 | - | 21,499 | D | M |
| 01 Apr, 2026 | Frazor Titus Iii Edmondson | American Depositary Shares | A | 2,671 | - | 9,165 | D | M |
| 01 Apr, 2026 | Ying Du | American Depositary Shares | A | 3,400 | - | 1,124,105 | D | M |
| 01 Apr, 2026 | Frazor Titus Iii Edmondson | American Depositary Shares | A | 830 | - | 9,995 | D | M |
| 02 Apr, 2026 | Rafael Amado | American Depositary Shares | A | 5,391 | - | 69,671 | D | M |
| 01 Apr, 2026 | Yajing Chen | American Depositary Shares | A | 13,758 | - | 35,257 | D | M |
| 02 Apr, 2026 | Joshua L Smiley | American Depositary Shares | A | 7,145 | - | 130,233 | D | M |
| 02 Apr, 2026 | Rafael Amado | American Depositary Shares | D | 9,910 | $20.39 | 59,761 | D | S |
| 02 Apr, 2026 | Yajing Chen | American Depositary Shares | A | 2,500 | - | 37,757 | D | M |
| 02 Apr, 2026 | Joshua L Smiley | American Depositary Shares | D | 9,614 | $20.39 | 120,619 | D | S |
| 01 Apr, 2026 | Frazor Titus Iii Edmondson | American Depositary Shares | A | 13,758 | - | 23,753 | D | M |
| 02 Apr, 2026 | Ying Du | American Depositary Shares | A | 6,750 | - | 1,130,855 | D | M |