Zai Lab 8-K: Q3 2025 results press release furnished (Item 2.02)

Rhea-AI Filing Summary

Zai Lab Limited filed a Form 8-K stating it furnished a press release announcing its third-quarter 2025 financial results. The press release is included as Exhibit 99.1 and is provided under Item 2.02 (Results of Operations and Financial Condition). The information is furnished and not deemed filed under the Exchange Act. The company’s ADSs, each representing 10 ordinary shares, trade on Nasdaq under ZLAB, with ordinary shares listed in Hong Kong under 9688.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

________________________

FORM 8-K

________________________

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 6, 2025

________________________

ZAI LAB LIMITED

(Exact name of registrant as specified in its charter)

________________________

Cayman Islands			001-38205			98-1144595
(State or other jurisdiction of incorporation)			(Commission File Number)			(I.R.S. Employer Identification No.)

899 Halei Road Building B, Pudong Shanghai, China			201203
314 Main Street 4th Floor, Suite 100 Cambridge, MA, USA			02142
(Address of principal executive offices)			(Zip Code)

+86 21 6163 2588

+1 857 706 2604

(Registrant’s Telephone Number, Including Area Code)

Not Applicable

(Former name or former address, if changed since last report)

________________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

American Depositary Shares, each representing 10 Ordinary Shares, par value $0.000006 per share

ZLAB

The Nasdaq Global Market

Ordinary Shares, par value $0.000006 per share*

9688

The Stock Exchange of Hong Kong Limited

*Included in connection with the registration of the American Depositary Shares with the Securities and Exchange Commission. The ordinary shares are not registered or listed for trading in the United States but are listed for trading on The Stock Exchange of Hong Kong Limited

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02 Results of Operations and Financial Condition.

On November 6, 2025, Zai Lab Limited issued a press release announcing its financial results for the third quarter of 2025. A copy of the press release is furnished as Exhibit 99.1 to this report and is incorporated herein by reference.

The information contained in this report, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and shall not be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.						Description
99.1						Press Release issued by Zai Lab Limited on November 6, 2025
104						The cover page of this report is formatted in Inline XBRL

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

						ZAI LAB LIMITED
			By:			/s/ Yajing Chen
						Yajing Chen
						Chief Financial Officer
Date: November 6, 2025

FAQ

What did ZLAB report in this Form 8-K?

It furnished a press release announcing Q3 2025 financial results under Item 2.02.

Which exhibit contains the press release for ZLAB?

The press release is included as Exhibit 99.1.

Is the information in this 8-K considered filed or furnished?

It is furnished and not deemed filed under the Exchange Act.

When was the press release issued?

It was issued on November 6, 2025.

What securities of ZLAB are listed and where?

ADSs trade on Nasdaq as ZLAB; ordinary shares trade on the Hong Kong Stock Exchange as 9688.

What is the ADS-to-ordinary share ratio for ZLAB?

Each ADS represents 10 ordinary shares.

What other exhibit is referenced?

Exhibit 104 covers the Inline XBRL cover page.