ZTO Express (ZTO) details August share capital moves in Hong Kong

Rhea-AI Filing Summary

ZTO Express (Cayman) Inc. filed a Form 6-K as a foreign private issuer for September 2025. The company explains that it has submitted to The Stock Exchange of Hong Kong Limited a monthly return form dated September 2, 2025 covering movements in its authorized share capital and issued shares during August 2025.

This Hong Kong monthly return is included as Exhibit 99.1 to the Form 6-K. The report is signed on behalf of ZTO Express by Chief Financial Officer Huiping Yan on September 2, 2025.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2025

Commission File Number: 001-37922

ZTO Express (Cayman) Inc.

Building One, No. 1685 Huazhi Road

Qingpu District

Shanghai, 201708

People’s Republic of China

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  x  Form 40-F  ¨

EXPLANATORY NOTE

We submitted with The Stock Exchange of Hong Kong Limited a monthly return form dated September 2, 2025 in relation to the movements in our authorized share capital and issued shares in August 2025, attached as Exhibit 99.1 to this current report on Form 6-K.

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Exhibit Index

Exhibit 99.1 – Monthly Return with The Stock Exchange of Hong Kong Limited – Monthly Return for Equity Issuer and Hong Kong Depositary Receipts listed under Chapter 19B of the Exchange Listing Rules on Movements in Securities

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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, thereunto duly authorized.

	ZTO Express (Cayman) Inc.
	By	:	/s/ Huiping Yan
	Name	:	Huiping Yan
	Title	:	Chief Financial Officer

Date: September 2, 2025

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FAQ

What did ZTO (ZTO) report in this Form 6-K filing?

ZTO Express (Cayman) Inc. reported that it submitted to The Stock Exchange of Hong Kong Limited a monthly return form on movements in its authorized share capital and issued shares for August 2025, attached as Exhibit 99.1.

What period does ZTO Express’s Hong Kong monthly return cover?

The monthly return submitted by ZTO Express to The Stock Exchange of Hong Kong Limited relates to movements in its authorized share capital and issued shares in August 2025.

What is included as Exhibit 99.1 in ZTO’s September 2025 Form 6-K?

Exhibit 99.1 is ZTO Express’s Monthly Return with The Stock Exchange of Hong Kong Limited, described as the monthly return for equity issuer and Hong Kong depositary receipts listed under Chapter 19B of the Exchange Listing Rules on movements in securities.

Who signed ZTO Express’s September 2025 Form 6-K?

The Form 6-K was signed on behalf of ZTO Express (Cayman) Inc. by Huiping Yan, who is identified as the company’s Chief Financial Officer.

On what date was ZTO Express’s Form 6-K signed?

ZTO Express’s Form 6-K was signed and dated September 2, 2025.

What type of issuer is ZTO Express in this SEC filing?

In this filing, ZTO Express (Cayman) Inc. is identified as a foreign private issuer filing a report on Form 6-K under the Securities Exchange Act of 1934.