[6-K] ZTO Express (Cayman) Inc. American Current Report (Foreign Issuer)

Rhea-AI Filing Summary

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 July 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 July 2, 2025 in relation to the movements in our authorized share capital and issued shares in June 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: July 2, 2025

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