Chen Yajing 4
4 · Zai Lab Ltd · Filed Aug 18, 2025
Insider Transaction Report
Form 4
Zai Lab LtdZLAB
Chen Yajing
Chief Financial Officer
Transactions
- Exercise/Conversion
Restricted Share Units
2025-08-14−1,250→ 2,500 total→ American Depositary Shares (1,250 underlying) - Exercise/Conversion
American Depositary Shares
2025-08-14+1,250→ 18,158 total - Sale
American Depositary Shares
2025-08-15$35.53/sh−828$29,419→ 16,720 total - Sale
American Depositary Shares
2025-08-15$35.27/sh−610$21,513→ 17,548 total
Footnotes (6)
- [F1]Each American Depositary Share ("ADS") represents ten Ordinary Shares of the issuer. Our ADSs and Ordinary Shares are fully fungible. For purposes of this Form 4, we are reporting this in terms of ADSs.
- [F2]ADSs acquired upon vesting of Restricted Share Units ("RSUs").
- [F3]Each RSU represents a contingent right to receive one ADS.
- [F4]These ADSs were sold automatically to cover taxes upon vesting of RSUs.
- [F5]This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2025.
- [F6]The RSUs vest in equal annual installments over four years beginning on 08/14/2024, the first anniversary of the date of grant. Vested shares will be delivered in the form of ADSs to the reporting person following vesting.