Transaction #4341 · Form 4 · 0000905148-25-003766

Zai Lab Ltd · Exercise / conversion · American Depositary Shares

Zai Lab Ltd · Transacted October 31, 2025 · Filed November 4, 2025

Original SEC filing ↗

What does this filing report?

An SEC Form 4 filing for Zai Lab Ltd records an exercise / conversion involving American Depositary Shares on October 31, 2025. The reported quantity was 500. The filing date is November 4, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Transaction details

Company CIK
0001704292
Security type
Non-derivative
Acquisition type
Exercise / conversion · Code M
Quantity acquired
500
Reported price
Not reported · See footnotes
Reference value
Not reported
Currency
Currency not specified
Ownership
Direct
Holdings after transaction
17,684
Ownership description
Not reported
SEC acceptance time
Nov 4, 2025, 4:13 PM EST
10b5-1 indication
Not indicated

Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.

Reporting owners

These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.

Company listings

ZLAB · Nasdaq

This transaction is not mapped to a specific company listing.

Filing footnotes & remarks

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
The Restricted Share Units vest in equal annual installments over four years beginning on 11/01/2022, the first anniversary of the date of grant. Vested shares will be delivered to the reporting person following vesting.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.

This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.