6-K

Atour Lifestyle Holdings Ltd (ATAT)

6-K 2026-03-03 For: 2026-03-03
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Added on April 08, 2026

UNITED STATES

SECURITIES AND EXCHANGECOMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATEISSUER

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

THE SECURITIES EXCHANGEACT OF 1934

For the month of March 2026

Commission File Number:001-40540

Atour Lifestyle HoldingsLimited

(Exact name of registrantas specified in its charter)

1st floor, Wuzhong Building,

618 Wuzhong Road, MinhangDistrict,

Shanghai, 201103, People’sRepublic of China

(+86) 021-64059928

(Address of principalexecutive office)

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 ¨

EXHIBIT INDEX

Exhibit No. Description
99.1 Press Release -- Atour Lifestyle Holdings Limited to Report Fourth Quarter and Full Year 2025 Financial Results on March 17, 2026

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.

Atour Lifestyle Holdings Limited
By: /s/ HAIJUN WANG
Name: Haijun Wang
Title: Chairman of the Board of Director and Chief Executive Officer
Date: March 3, 2026

Exhibit 99.1

Atour Lifestyle Holdings Limited to ReportFourth Quarter and Full Year 2025 Financial Results on March 17, 2026

SHANGHAI, March 3, 2026 /GlobeNewswire/ -- Atour Lifestyle Holdings Limited (“Atour” or the “Company”) (NASDAQ: ATAT), a leading lifestyle group in China, today announced that it will report its unaudited financial results for the fourth quarter and full year 2025 on Tuesday, March 17, 2026, before the U.S. markets open.

The Company will host a conference call at 7:00 AM U.S. Eastern time on Tuesday, March 17, 2026 (or 7:00 PM Beijing/Hong Kong time on the same day).

A live webcast of the conference call will be available on the Company’s investor relations website at https://ir.yaduo.com, and a replay of the webcast will be available following the session.

For participants who wish to join the conference call via telephone, please pre-register using the link provided below. Upon registering, each participant will receive a set of participant dial-in numbers and a personal PIN to join the conference call.

Details for the conference call are as follows:

Event Title: Atour Fourth Quarter and Full Year 2025 Earnings Conference Call

Pre-registration Link: https://register-conf.media-server.com/register/BI31476e4d82814901b2dc7042f58c50b2

About Atour Lifestyle Holdings Limited

Atour Lifestyle Holdings Limited (NASDAQ: ATAT) is a leading lifestyle group in China that operates both hospitality and retail businesses. As a leader in quality living, Atour is dedicated to creating an intimate ambiance where people can warmly connect. Guided by its people-serving philosophy, Atour continuously refines its products and services to curate exceptional experiences for every user.

For more information, please visit https://ir.yaduo.com.

Investor Relations Contact

Atour Lifestyle Holdings Limited

Email: ir@yaduo.com

Christensen Advisory

Email: atour@christensencomms.com

Tel: +86-10-5900-1548