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Zai Lab (NASDAQ: ZLAB) holder lines up Aug. 19 ADS sale after recent trades

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
144

Rhea-AI Filing Summary

Zai Lab Ltd (ZLAB) has a shareholder, Chen Yajing, filing a notice of proposed sale of American Depositary Shares under Rule 144. The filing states that 260 ADS may be sold through Fidelity Brokerage Services LLC on or about 08/19/2026 on NASDAQ.

The 260 ADS were acquired from the issuer on 11/01/2025 through restricted stock vesting as compensation. The filing also lists prior sales by the same holder during the past three months, including 2,264 ADS on 06/26/2026 and 619 ADS on 08/11/2026, with corresponding aggregate sale values.

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ADS to be sold 260 American Depositary Shares Number of Zai Lab Ltd ADS proposed for sale under Rule 144
Proposed sale aggregate value 7020.00 Aggregate market value for the 260 ADS in the proposed sale
Proposed sale date 08/19/2026 Intended date for the Rule 144 ADS sale on NASDAQ
Acquisition date of ADS 11/01/2025 Date the 260 ADS were acquired via restricted stock vesting
Prior sale 1 shares 2264 American Depositary Shares ADS sold on 06/26/2026 by the same holder
Prior sale 1 value 39532.38 Aggregate value of ADS sold on 06/26/2026
Prior sale 2 shares 619 American Depositary Shares ADS sold on 08/11/2026 by the same holder
Prior sale 2 value 15475.00 Aggregate value of ADS sold on 08/11/2026
Rule 144 regulatory
"See the definition of "person" in paragraph (a) of Rule 144."
Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.
American Depositary Shares financial
"American Depositary Shares | Fidelity Brokerage Services LLC"
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
"11/01/2025 | 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.
compensation financial
"260 | 11/01/2025 | Compensation"

FAQ

What does the Form 144 filing for ZLAB disclose about upcoming share sales?
The filing reports that 260 American Depositary Shares of Zai Lab Ltd may be sold under Rule 144. The proposed sales will be executed through Fidelity Brokerage Services LLC, with an intended sale date of 08/19/2026 on NASDAQ.

Who is selling Zai Lab Ltd (ZLAB) shares in this Form 144 notice?
The notice identifies Chen Yajing as the person for whose account the Zai Lab Ltd ADS will be sold. Fidelity Brokerage Services LLC is listed as the broker handling the proposed 260 ADS sale under Rule 144.

How many ZLAB American Depositary Shares have been sold recently by this holder?
The holder previously sold 2,264 ADS on 06/26/2026 for aggregate proceeds of 39,532.38, and 619 ADS on 08/11/2026 for 15,475.00, as disclosed in the three-month sales history section.

What is the value of the ZLAB shares proposed to be sold under this Form 144?
The filing lists an aggregate market value of 7,020.00 for the 260 ADS proposed for sale. This figure reflects the market value used for the Rule 144 notice, not necessarily the final execution price.

How and when were the ZLAB shares in this Form 144 acquired?
The 260 Zai Lab Ltd ADS were acquired on 11/01/2025 through restricted stock vesting from the issuer as compensation. This acquisition method and date are specified in the securities-to-be-sold disclosure.

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144: Filer Information

144: Issuer Information

144: Securities Information



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


* 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

144: Remarks and Signature

Source: View Original Filing on SEC EDGAR