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CIK 0001704292 · Large accelerated filer

Zai Lab Ltd

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Ticker
ZLAB
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
Cayman Islands
Entity type
operating
Phone
862161632588
Business address
899 HALEI ROAD, BUILDING B, PUDONG, SHANGHAI, China
Former names
Zai Lab Ltd
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$7,020
in 1 filing, $7K under 10b5-1 plans

Net −$7,020. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Chen Yajing −$7K Chief Financial Officer sold <1% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-09-10 Smiley Joshua L See Remarks Purchase +10,000 $28.91 $289K 86,604
2025-08-29 Du Ying Chairperson & CEO Option exercise +604,376 $1.20 $725K 1,141,338
2025-08-29 Du Ying Chairperson & CEO Shares withheld for taxes −251,319 $32.59 $8.2M 890,019
2025-08-29 Du Ying Chairperson & CEO Option exercise · Stock Options (Right to Buy) −604,376 0
2025-08-18 Smiley Joshua L See Remarks Sale −6,641 $36.24 $241K 76,604
2025-08-18 Edmondson Frazor Titus III Chief Legal Officer Sale −1,883 $36.24 $68K 42,065
2025-08-15 Smiley Joshua L See Remarks Option exercise +15,900 83,245
2025-08-15 Smiley Joshua L See Remarks Option exercise · Restricted Share Units −15,900 31,800
2025-08-15 Edmondson Frazor Titus III Chief Legal Officer Option exercise +4,850 43,948
2025-08-15 Edmondson Frazor Titus III Chief Legal Officer Option exercise · Restricted Share Units −4,850 0
2025-08-15 Chen Yajing Chief Financial Officer Sale 10b5-1 −610 $35.27 $22K 17,548
2025-08-15 Chen Yajing Chief Financial Officer Sale 10b5-1 −828 $35.53 $29K 16,720
2025-08-14 Chen Yajing Chief Financial Officer Option exercise 10b5-1 +1,250 18,158
2025-08-14 Chen Yajing Chief Financial Officer Option exercise · Restricted Share Units 10b5-1 −1,250 2,500
2025-08-13 Du Ying Chairperson & CEO Option exercise 10b5-1 +46,387 $0.60 $28K 583,349
2025-08-13 Du Ying Chairperson & CEO Sale 10b5-1 −46,387 $35.47 $1.6M 536,962
2025-08-13 Du Ying Chairperson & CEO Option exercise · Stock Options (Right to Buy) 10b5-1 −46,387 0
2025-08-12 Du Ying Chairperson & CEO Option exercise 10b5-1 +50,000 $0.60 $30K 586,962
2025-08-12 Du Ying Chairperson & CEO Sale 10b5-1 −50,000 $34.25 $1.7M 536,962
2025-08-12 Du Ying Chairperson & CEO Option exercise · Stock Options (Right to Buy) 10b5-1 −50,000 46,387

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