[144] Zai Lab Limited American SEC Filing

Rhea-AI Filing Summary

Zai Lab Limited (ZLAB) Form 144 notice shows a proposed sale of 610 American Depositary Shares (ADS) with an aggregate market value of $21,512.75 to be sold on 08/15/2025 via Fidelity Brokerage Services on NASDAQ. The ADS were acquired on 08/14/2025 through restricted stock vesting and were paid as compensation. The filing also discloses three prior sales by Yajing Chen during the past three months totaling 16,389 ADS for gross proceeds of $524,496.72. The filer certifies no undisclosed material adverse information.

Insights

Securities Analyst

TL;DR: Routine insider sale notice; small scheduled sale relative to total outstanding ADS, prior insider sales reported.

The Form 144 is a standard disclosure for an insider proposing to sell securities under Rule 144. It documents the acquisition source as restricted stock vesting and classifies the payment as compensation. The notice lists the broker, proposed sale date, and aggregate market value, meeting regulatory transparency requirements. Prior dispositions by the named individual are enumerated, showing cumulative recent sales of 16,389 ADS for $524,496.72, which may be relevant for investor sentiment but do not by themselves indicate company-level financial change.

Corporate Governance Expert

TL;DR: Compliance-focused filing documenting insider vesting and planned sale; disclosure is complete for Rule 144 purposes.

The filing explicitly ties the shares to restricted stock vesting, which clarifies the origin of the securities and supports Rule 144 eligibility. The signer affirms no undisclosed material adverse information, aligning with required certifications. This document is governance-positive in that it provides clear audit trail and broker details; it contains no new operational or financial information about the issuer itself.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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	610	21512.75	421725450	08/15/2025	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	08/14/2025	Restricted Stock Vesting	Issuer			610	08/14/2025	Compensation

* 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
Yajing Chen 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	06/02/2025	9618	288540.00
Yajing Chen 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	06/26/2025	2675	96651.76
Yajing Chen 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	08/08/2025	4096	139304.96

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)