ZLAB files Form 144 to sell 2,264 ADS

ZLAB filed a Form 144 reporting a proposed sale of 2,264 American Depositary Shares following restricted stock vesting on 06/25/2026.

Rhea-AI Filing Summary

ZLAB filed a Form 144 reporting a proposed sale of 2,264 American Depositary Shares following restricted stock vesting on 06/25/2026. The notice lists the ADS class as Nasdaq-listed and shows prior dispositions by Yajing Chen of 5,199 ADS on 04/02/2026 and 853 ADS on 04/06/2026.

Insights

Securities Compliance Analyst

Form 144 notes a small Rule 144 resale notice tied to restricted stock vesting.

The filing lists a 2,264 ADS proposed sale dated 06/25/2026, with the underlying grant described as restricted stock vesting. It also records prior dispositions by Yajing Chen on 04/02/2026 and 04/06/2026, showing recent transfer activity.

Timing and cash‑flow treatment for the proposed sale are not detailed in the excerpt; subsequent filings or broker confirmations would disclose whether the notice leads to immediate market transactions.

Key Figures

Proposed sale: 2,264 ADS Prior disposition: 5,199 ADS Prior disposition: 853 ADS +3 more

6 metrics

Proposed sale 2,264 ADS proposed sale tied to restricted stock vesting on 06/25/2026

Prior disposition 5,199 ADS disposed by Yajing Chen on 04/02/2026

Prior disposition 853 ADS disposed by Yajing Chen on 04/06/2026

Aggregate value shown $39,532.38 appears on the same row as 2,264 ADS (06/26/2026)

Value of 5,199 ADS disposition $106,008.13 listed with 04/02/2026 disposition by Yajing Chen

Value of 853 ADS disposition $17,442.57 listed with 04/06/2026 disposition by Yajing Chen

Key Terms

American Depositary Shares, Restricted Stock Vesting, Form 144

3 terms

American Depositary Shares financial

"American Depositary Shares | Fidelity Brokerage Services LLC 900 Salem Street"

American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.

Restricted Stock Vesting regulatory

"06/25/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Form 144 regulatory

"CONTENT METADATA indicates form_type: 144"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

FAQ

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

What does ZLAB's Form 144 report about the 2,264 ADS?

The Form 144 reports a proposed sale of 2,264 American Depositary Shares tied to restricted stock vesting on 06/25/2026. The notice classifies the shares as Nasdaq-listed and identifies the transaction type as compensation/vesting in the excerpt.

Who made the prior ADS dispositions shown in the filing for ZLAB?

Yajing Chen is shown making prior dispositions of ADS: 5,199 ADS on 04/02/2026 and 853 ADS on 04/06/2026. The filing lists address details alongside those transactions in the excerpt.

Are the proceeds recipient and sale method specified in the Form 144 excerpt?

The excerpt identifies the shares as resulting from restricted stock vesting and lists the proposed sale amount, but it does not specify who will receive proceeds or the exact sale method in the provided text.

Does the filing show when the proposed sale becomes effective?

The filing shows the vesting and proposed sale date as 06/25/2026 and includes a filing date line referencing 06/26/2026. No additional effectiveness condition or execution timeline appears in the excerpt.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 06/26/2026 - 03:38 PM EDT 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	0001985694
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	Chen Yajing
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

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	2264	39532.38	340336080	06/26/2026	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	06/25/2026	Restricted Stock Vesting	Issuer			2264	06/25/2026	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	04/02/2026	5199	106008.13
Yajing Chen 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	04/06/2026	853	17442.57

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	06/26/2026
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/ Joshua Schmitt, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Yajing Chen.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)