ZLAB (NASDAQ: ZLAB) insider files multiple ADS sale notices totaling repeated 50,000‑share lines

Rhea-AI Filing Summary

ZLAB reported proposed sales of American Depositary Shares by an insider, listing multiple transactions and dates. The notice itemizes repeated proposed dispositions of 50,000 ADS lots on several dates and smaller dispositions (for example, 1,067 ADS on 03/11/2026). Transaction entries show trade dates, share counts and gross proceeds for each line item.

Insights

Corporate Governance Analyst

Routine insider sale notices were filed showing multiple ADS disposals across March–May 2026.

The filing lists several proposed sales of American Depositary Shares by an individual identified in the table, with discrete per‑trade share counts and gross proceeds reported. The pattern suggests staged dispositions rather than a single block sale.

Cash‑flow treatment and any trading plan linkage are not stated in the excerpt; subsequent filings or broker confirmations would be needed for more detail.

Securities Compliance Specialist

Form 144 entries document proposed sales under resale notice requirements, not an issuance.

These lines fulfill notice requirements for proposed dispositions of restricted or control securities. Each row specifies a transaction date, number of ADS and gross proceeds, consistent with Form 144 reporting mechanics.

Regulatory significance is procedural: the entries disclose planned sales but do not by themselves change outstanding share counts or company capital structure.

Key Figures

Proposed disposals (example): 50,000 ADS Proposed disposal (example): 50,000 ADS Proposed disposal (example): 50,000 ADS +2 more

5 metrics

Proposed disposals (example) 50,000 ADS 03/04/2026 line showing proceeds <money>$958,155</money>

Proposed disposal (example) 50,000 ADS 05/13/2026 line showing proceeds <money>$998,470</money>

Proposed disposal (example) 50,000 ADS 05/14/2026 line showing proceeds <money>$1,004,580</money>

Smaller disposition 1,067 ADS 03/11/2026 line showing proceeds <money>$20,362.09</money>

Intermediate disposal 5,576 ADS 04/02/2026 line showing proceeds <money>$113,695.19</money>

Key Terms

Form 144, American Depositary Shares, proposed sale

3 terms

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.

American Depositary Shares market

"American Depositary Shares | 03/04/2026 | 50000 | 958155.00"

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.

proposed sale regulatory

"144: Securities To Be Sold"

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

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	50000	1023000.00	340336080	05/15/2026	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	05/15/2026	Option Granted - 08/25/2016	Issuer			50000	05/15/2026	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
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	03/05/2026	50000	961055.00
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	03/06/2026	50000	970935.00
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	03/09/2026	50000	951465.00
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	03/11/2026	1067	20362.09
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

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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)

FAQ

What does ZLAB's Form 144 filing show?

It shows proposed sales of American Depositary Shares by an individual, listing per‑trade share counts and gross proceeds. The table includes multiple dates and specific amounts such as 50,000 ADS lines and corresponding dollar values for each listed date.

Who is the reporting person in the ZLAB Form 144?

The filing identifies an individual named Ying Du as the reporting person associated with the listed ADS dispositions. Multiple rows in the table carry that name with dates, share counts and gross proceeds for each entry.

How many shares are shown in the repeated transactions?

The excerpt repeatedly lists disposals of 50,000 American Depositary Shares on several dates. It also includes smaller disposals, for example 1,067 ADS on 03/11/2026 and 5,576 ADS on 04/02/2026.

Do these Form 144 entries mean the company is issuing new shares?

No. These entries document proposed resale transactions by a holder; they are notices of disposition of existing ADS, not an issuance of new shares by the company. The filing reports the holder's planned sales, with per‑trade proceeds listed.

Are proceeds recipients or other cash‑flow details shown?

The table shows gross dollar amounts alongside each listed sale, but it does not state who receives proceeds or whether sales were executed under a trading plan. The excerpt lists amounts per row without naming proceeds recipients.