ZLAB Form 144: ADS resale tied to 06/29/2026 vesting

ZLAB Form 144 filing reports proposed resale of American Depositary Shares and discloses multiple recent dispositions by Ying Du.

Rhea-AI Filing Summary

ZLAB Form 144 filing reports proposed resale of American Depositary Shares and discloses multiple recent dispositions by Ying Du. The filing lists a planned sale tied to Restricted Stock Vesting on 06/29/2026 and several completed sales dated between 04/02/2026 and 06/26/2026.

The listed past transactions show individual dispositions such as 50,000 shares on 05/13/2026 (proceeds $998,470.00) and other ADS sales with specified proceeds. The filing names Fidelity Brokerage Services LLC as a broker and identifies the securities as American Depositary Shares traded on NASDAQ.

Insights

Securities Compliance Counsel

Form 144 reports resale activity and a planned vesting-related resale on 06/29/2026.

The filing lists a proposed resale of American Depositary Shares coincident with a Restricted Stock Vesting event on 06/29/2026. It also itemizes multiple recorded dispositions by Ying Du between 04/02/2026 and 06/26/2026, each with share counts and gross proceeds.

Timing and exact execution mechanics for the proposed resale are conditioned by the vesting event; cash‑flow treatment is per the reported sale proceeds. Subsequent public filings or broker reports will show final execution details.

Key Figures

Planned resale date: 06/29/2026 Example sale - 05/13/2026: 50,000 shares Proceeds - 05/13/2026 example: $998,470.00 +3 more

6 metrics

Planned resale date 06/29/2026 Restricted Stock Vesting related resale

Example sale - 05/13/2026 50,000 shares Disposal by Ying Du on 05/13/2026

Proceeds - 05/13/2026 example $998,470.00 Gross proceeds for 50,000 ADS on 05/13/2026

Example sale - 06/26/2026 24,543 shares Disposal by Ying Du on 06/26/2026

Proceeds - 06/26/2026 example $428,552.69 Gross proceeds for 24,543 ADS on 06/26/2026

Broker Fidelity Brokerage Services LLC Named broker for the ADS transactions

Key Terms

Form 144, American Depositary Shares, Restricted Stock Vesting

3 terms

Form 144 regulatory

"144: Securities To Be Sold"

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.

American Depositary Shares financial

"American Depositary Shares | 06/29/2026"

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 financial

"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.

FAQ

What does ZLAB's Form 144 disclose about planned sales?

The filing discloses a planned resale of American Depositary Shares tied to a Restricted Stock Vesting event on 06/29/2026. It lists the security type and broker but does not detail execution timing beyond that vesting date.

Who reported recent share dispositions in this ZLAB filing?

Ying Du is the reporting person listed for multiple ADS dispositions occurring between 04/02/2026 and 06/26/2026, with each transaction showing share counts and gross proceeds in the filing.

Which broker is named for the transactions in the ZLAB Form 144?

The filing names Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI, as the broker associated with the disclosed American Depositary Share transactions on NASDAQ.

What transaction examples are shown in the ZLAB filing?

Examples include a sale of 50,000 ADS on 05/13/2026 with proceeds $998,470.00 and a sale of 24,543 ADS on 06/26/2026 with proceeds $428,552.69, as listed in the filing.

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Accepted by SEC EDGAR 06/30/2026 - 03:13 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	7026	130219.88	340336080	06/30/2026	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	06/29/2026	Restricted Stock Vesting	Issuer			7026	06/29/2026	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
Ying Du 899 Halei Road, Building B Pudong Shanghai F4 201203	American Depositary Shares	04/02/2026	5576	113695.19
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	04/06/2026	2653	54249.87
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	05/13/2026	50000	998470.00
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	05/14/2026	50000	1004580.00
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	05/15/2026	50000	1037110.00
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	05/18/2026	50000	949765.00
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	06/26/2026	24543	428552.69

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	06/30/2026
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/Wade Moss, 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)