ZTO Express announces resignation of independent director Kao

ZTO Express (Cayman) Inc. reported a board change, with Mr. Tsun-Ming Daniel Kao resigning as an independent director and member of the nominating and corporate governance committee, effective December 31, 2025.

Rhea-AI Filing Summary

ZTO Express (Cayman) Inc. reported a board change, with Mr. Tsun-Ming Daniel Kao resigning as an independent director and member of the nominating and corporate governance committee, effective December 31, 2025. The company states that Mr. Kao is stepping down to devote more time to other professional endeavors and that his resignation is not due to any disagreement with the board or the company. ZTO expresses appreciation for his service and extends best wishes for his future plans.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What board change did ZTO (ZTO) disclose in this 6-K filing?

ZTO Express (Cayman) Inc. disclosed that Mr. Tsun-Ming Daniel Kao has resigned as an independent director of the board and as a member of the nominating and corporate governance committee, effective December 31, 2025.

Why did Mr. Tsun-Ming Daniel Kao resign from ZTO (ZTO)?

According to ZTO Express (Cayman) Inc., Mr. Tsun-Ming Daniel Kao resigned due to his plan to commit more time to other professional endeavors.

Was Mr. Kao’s resignation from ZTO (ZTO) due to any disagreement with the company?

No. ZTO Express (Cayman) Inc. states that Mr. Kao’s resignation was not due to any disagreement with the board of directors or the company.

What board role did Mr. Kao hold at ZTO (ZTO) before resigning?

Mr. Tsun-Ming Daniel Kao served as an independent director on the board of ZTO Express (Cayman) Inc. and was also a member of the nominating and corporate governance committee.

How did ZTO (ZTO) respond to Mr. Kao’s resignation?

ZTO Express (Cayman) Inc. stated that it extends its sincere gratitude to Mr. Kao for his service and wishes him the best in his future endeavors.

When does Mr. Kao’s resignation from ZTO (ZTO) become effective?

Mr. Tsun-Ming Daniel Kao’s resignation is effective on December 31, 2025.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 12/31/2025 - 06:01 AM Learn about SEC filing dates

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 December 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 ¨

Resignation of Mr. Kao

ZTO Express (Cayman) Inc. (the “Company”) announced that Mr. Tsun-Ming Daniel Kao has tendered his resignation as an independent director of the board of directors of the Company (the “Board”) and a member of the nominating and corporate governance committee of the Board, due to his plan to commit more time on other professional endeavors, effective December 31, 2025. Mr. Kao’s resignation was not due to any disagreement with the Board or the Company. The Company extends its sincere gratitude to Mr. Kao’s service and wishes him the best in his future endeavors.

Exhibit Index

Exhibit 99.1 – Announcement—Resignation of Independent Non-executive Director

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: December 31, 2025