ZLAB insider ADS sales disclosed in Form 144

ZLAB insider notice of proposed resale activity: multiple American Depositary Shares were listed as sold or to be sold under restricted stock vesting and compensation arrangements.

Rhea-AI Filing Summary

ZLAB insider notice of proposed resale activity: multiple American Depositary Shares were listed as sold or to be sold under restricted stock vesting and compensation arrangements. The excerpt lists specific vesting entries of 550 ADS (04/03/2025) and 2,967 ADS (08/17/2025), and several sales by an individual during March–April 2026.

Insights

Securities Counsel

Routine Form 144 resale disclosures by an insider; filings list specific ADS vesting and recent dispositions.

The excerpt records vesting events of 550 and 2,967 American Depositary Shares described as Restricted Stock Vesting tied to compensation. It also enumerates sales by an individual across 03/05/2026 to 04/06/2026

These entries are procedural disclosures required for planned or completed sales; cash‑flow treatment and wider holdings are not stated in the excerpt.

Key Figures

Sale on 03/05/2026: 15,569 ADS Proceeds on 03/05/2026: $296,745.14 Sale on 03/13/2026: 1,281 ADS +7 more

10 metrics

Sale on 03/05/2026 15,569 ADS sale dated 03/05/2026

Proceeds on 03/05/2026 $296,745.14 proceeds linked to 15,569 ADS sale

Sale on 03/13/2026 1,281 ADS sale dated 03/13/2026

Proceeds on 03/13/2026 $23,862.72 proceeds linked to 1,281 ADS sale

Sale on 04/02/2026 4,194 ADS sale dated 04/02/2026

Proceeds on 04/02/2026 $85,516.08 proceeds linked to 4,194 ADS sale

Sale on 04/06/2026 1,224 ADS sale dated 04/06/2026

Proceeds on 04/06/2026 $25,028.96 proceeds linked to 1,224 ADS sale

Vesting entry 550 ADS Restricted Stock Vesting dated 04/03/2025

Vesting entry 2,967 ADS Restricted Stock Vesting dated 08/17/2025

Key Terms

American Depositary Shares, Form 144, Restricted Stock Vesting, Compensation

4 terms

American Depositary Shares financial

"American Depositary Shares | 04/03/2025 | Restricted Stock Vesting"

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.

Form 144 regulatory

"144: Securities Sold During The Past 3 Months"

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.

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | 550 | 04/03/2025"

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.

Compensation financial

"Compensation American Depositary Shares | 08/17/2025"

FAQ

What does ZLAB's Form 144 excerpt show about insider sales?

The excerpt lists multiple insider sales of ADS: 15,569 ADS on 03/05/2026, 1,281 ADS on 03/13/2026, 4,194 ADS on 04/02/2026, and 1,224 ADS on 04/06/2026.

Does the filing disclose why the ZLAB shares vested or were sold?

The excerpt labels the entries as Restricted Stock Vesting and Compensation for the vesting items (550 and 2,967 ADS). It does not provide narrative reasons for the open‑market sales beyond the transaction listings.

How much cash did the insider receive from the disclosed ZLAB sales?

The excerpt provides dollar amounts next to some sales: $296,745.14 for 15,569 ADS, $23,862.72 for 1,281 ADS, $85,516.08 for 4,194 ADS, and $25,028.96 for 1,224 ADS. No aggregate cash total is provided.

Are the vesting ADS included in the sold amounts in the Form 144 excerpt?

The excerpt separately lists vesting entries (550 ADS on 04/03/2025 and 2,967 ADS on 08/17/2025) and the sales in March–April 2026. The document does not state whether specific vested tranches funded the disclosed sales.

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

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Accepted by SEC EDGAR 05/14/2026 - 09:50 AM 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	0001835780
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	Edmondson Frazor Titus III
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	3517	71008.23	340336080	05/14/2026	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	04/03/2025	Restricted Stock Vesting	Issuer			550	04/03/2025	Compensation
American Depositary Shares	08/17/2025	Restricted Stock Vesting	Issuer			2967	08/17/2025	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
Frazor T. Edmondson 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	03/05/2026	15569	296745.14
Frazor T. Edmondson 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	03/13/2026	1281	23862.72
Frazor T. Edmondson 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	04/02/2026	4194	85516.08
Frazor T. Edmondson 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	04/06/2026	1224	25028.96

144: Remarks and Signature

Remarks
Date of Notice	05/14/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/12/2025
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/ Tyler Johnson, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Frazor T. Edmondson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)