ZLAB ADS sale notice: 50,000 shares reported

ZLAB reports a proposed sale of 50,000 American Depositary Shares by an affiliate on 03/04/2026.

Rhea-AI Filing Summary

ZLAB reports a proposed sale of 50,000 American Depositary Shares by an affiliate on 03/04/2026. The filing lists proceeds of $958,155.00 for the sale recorded on that date. The report identifies the broker as Fidelity Brokerage Services LLC.

Insights

Insider Transactions Analyst

Form 144 discloses an insider-affiliated sale of 50,000 ADS on 03/04/2026.

The notice lists 50,000 American Depositary Shares sold with proceeds of $958,155.00, executed through Fidelity Brokerage Services LLC. The filer named is Ying Du with a Shanghai address.

Transaction details such as whether shares were restricted, the nature of ownership, or any post-sale holdings are not stated in the excerpt; related disclosures may appear in subsequent filings.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did ZLAB report in this Form 144 filing?

The filing reports a proposed sale of 50,000 American Depositary Shares on 03/04/2026 with proceeds listed as $958,155.00. It names Fidelity Brokerage Services LLC as the broker handling the transaction.

Who is the selling party in the ZLAB Form 144?

The filing identifies Ying Du at a Shanghai address as the filer. The notice lists the sale of 50,000 ADS and the broker as Fidelity Brokerage Services LLC, per the excerpt provided.

When were the ZLAB ADS reported sold according to the filing?

The excerpt shows the sale date as 03/04/2026 and a related entry dated 03/05/2026 for the Form 144 filing. The reported proceeds for the sale are $958,155.00.

What broker is listed for the ZLAB transaction?

The filing lists Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI, as the broker associated with the sale of 50,000 ADS reported in the excerpt.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/05/2026 - 01:12 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001731790
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Zai Lab Ltd
SEC File Number	001-38205
Address of Issuer	899 HALEI ROAD BUILDING B, PUDONG SHANGHAI CHINA 201203
Phone	862161632588
Name of Person for Whose Account the Securities are To Be Sold	Du Ying
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
American Depositary Shares	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	50000	953000.00	307140690	03/05/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
American Depositary Shares	03/05/2026	Option Granted 08/25/2016	Issuer			50000	03/05/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	03/04/2026	50000	958155.00

144: Remarks and Signature

Remarks
Date of Notice	03/05/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/11/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Ying Du
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)