Zai Lab Ltd — Major Shareholding Notification 2025

Aug 12, 2025

xml version="1.0" encoding="UTF-8"? SCHEDULE 13G/A 0000950103-23-002283 Field: Pseudo-Tag; ID: Name; Data: Qiming Venture Partners IV, L.P. 0001603597 XXXXXXXX LIVE 5 Ordinary shares, par value US $0.000006 per share 06/30/2025 0001704292 Zai Lab Limited 98887Q104 4560 JINKE ROAD BLDG. 1, 4F, PUDONG SHANGHAI F4 201210 Rule 13d-1(d) Qiming Corporate GP IV, Ltd. E9 66329320.00 0.00 66329320.00 0.00 66329320.00 N 5.97 CO Note to Row (5) (7) and (9): As of the date of this 13G/A filing, Qiming Corporate GP IV, Ltd. is the general partner of Qiming Managing Directors Fund IV, L.P. and Qiming GP IV, L.P. Qiming Managing Directors Fund IV, L.P. holds approximately 3.06% of the equity interest of QM11 Limited. Qiming GP IV, L.P. is the general partner of Qiming Venture Partners IV, L.P., which holds approximately 96.94% of the equity interest of QM11 Limited. QM11 Limited is the owner of 66,329,320 Ordinary Shares, which is consisted of 1,268,000 ADSs and 53,649,320 ordinary shares. Note to Row (11): The percentage is calculated based upon an aggregate of 1,110,783,740 Ordinary Shares outstanding as of June 30, 2025, which is based on the information disclosed by the Issuer on July 7, 2025. Qiming Managing Directors Fund IV, L.P E9 0.00 2030208.00 0.00 2030208.00 2030208.00 N 0.18 PN Note to Row (6) (8) and (9): As of the date of this 13G/A filing, Qiming Managing Directors Fund IV, L.P. holds approximately 3.06% of the equity interest of QM11 Limited, which is the owner of 66,329,320 Ordinary Shares (in the form of 1,268,000 ADSs and 53,649,320 ordinary shares). Note to Row (11): The percentage is calculated based upon an aggregate of 1,110,783,740 Ordinary Shares outstanding as of June 30, 2025, which is based on the information disclosed by the Issuer on July 7, 2025. Qiming GP IV, L.P E9 0.00 64299112.00 0.00 64299112.00 64299112.00 N 5.79 PN Note to Row (6) (8) and (9): As of the date of this 13G/A filing, Qiming GP IV, L.P. is the general partner of Qiming Venture Partners IV, L.P., which owns approximately 96.94% of the equity interest of QM11 Limited, which is the owner of 66,329,320 Ordinary Shares (in the form of 1,268,000 ADSs and 53,649,320 ordinary shares). Note to Row (11): The percentage is calculated based upon an aggregate of 1,110,783,740 Ordinary Shares outstanding as of June 30, 2025, which is based on the information disclosed by the Issuer on July 7, 2025. Qiming Venture Partners IV, L.P. E9 0.00 64299112.00 0.00 64299112.00 64299112.00 N 5.79 PN Note to Row (6) (8) and (9): As of the date of this 13G/A filing, Qiming Venture Partners IV, L.P. holds approximately 96.94% of the equity interest of QM11 Limited, which is the owner of 66,329,320 Ordinary Shares (in the form of 1,268,000 ADSs and 53,649,320 ordinary shares). Note to Row (11): The percentage is calculated based upon an aggregate of 1,110,783,740 Ordinary Shares outstanding as of June 30, 2025, which is based on the information disclosed by the Issuer on July 7, 2025. QM11 Limited K3 66329320.00 0.00 66329320.00 0.00 66329320.00 N 5.97 CO Note to Row (11): The percentage is calculated based upon an aggregate of 1,110,783,740 Ordinary Shares outstanding as of June 30, 2025, which is based on the information disclosed by the Issuer on July 7, 2025. Zai Lab Limited 4560 Jinke Road, Bldg.1, 4F, Pudong, Shanghai, China 201210 and 314 Main Street 4th Floor, Suite 100 Cambridge, MA, USA 02142 Qiming Corporate GP IV, Ltd. Qiming Managing Directors Fund IV, L.P. Qiming GP IV, L.P. Qiming Venture Partners IV, L.P. QM11 Limited The registered address of each of Qiming Corporate GP IV, Ltd., Qiming Managing Directors Fund IV, L.P., Qiming GP IV, L.P. and Qiming Venture Partners IV, L.P. is M&C Corporate Services Limited, P.O. Box309GT, Ugland House, South Church Street, George Town, Grand Cayman, Cayman Islands. The registered address of QM11 Limited is Units 4205-06, 42nd Floor, Gloucester Tower, the Landmark, 15 Queen's Road Central, Hong Kong. Qiming Corporate GP IV, Ltd., Qiming Managing Directors Fund IV, L.P., Qiming GP IV, L.P. and Qiming Venture Partners IV, L.P. are organized in Cayman Islands. QM11 Limited is a company organized in Hong Kong. Y The information set forth in Row (9) of the cover page for each of the Reporting Person is incorporated herein by reference. The information set forth in Row (11) of the cover page for each of the Reporting Person is incorporated herein by reference. The information set forth in Row (5) of the cover page for each of the Reporting Person is incorporated herein by reference. The information set forth in Row (6) of the cover page for each of the Reporting Person is incorporated herein by reference. The information set forth in Row (7) of the cover page for each of the Reporting Person is incorporated herein by reference. The information set forth in Row (8) of the cover page for each of the Reporting Person is incorporated herein by reference. Y Y Y Y Y Y Exhibit A Joint Filing Agreement dated February 13, 2019 https://www.sec.gov/Archives/edgar/data/1704292/000095010319001958/dp102255_sc13ga-zai.htm Qiming Corporate GP IV, Ltd. /s/ Holan Lam Holan Lam/Authorized Signatory 08/12/2025 Qiming Managing Directors Fund IV, L.P /s/ Holan Lam Holan Lam/Authorized Signatory 08/12/2025 Qiming GP IV, L.P /s/ Holan Lam Holan Lam/Authorized Signatory 08/12/2025 Qiming Venture Partners IV, L.P. /s/ Holan Lam Holan Lam/Authorized Signatory 08/12/2025 QM11 Limited /s/ Holan Lam Holan Lam/Authorized Signatory 08/12/2025