6-K - NIO - Equibles

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 November 2025

Commission File Number: 001-38638

NIO Inc.

(Registrant’s Name)

Building 19, No. 1355, Caobao Road, MinhangDistrictShanghai, 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 Form 20-F or Form 40-F.

Form 20-F x Form 40-F ¨

EXHIBIT INDEX

Exhibit No.	Description
99.1	Announcement on The Stock Exchange of Hong Kong Limited Regarding Date of Board Meeting, dated November 12, 2025

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.

NIO Inc.
By	:	/s/ Yu Qu
Name	:	Yu Qu
Title	:	Chief Financial Officer

Date: November 12, 2025

Exhibit 99.1

HongKong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement,make no representation as to its accuracy or completeness and expressly disclaim any liabilitywhatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

Underour weighted voting rights structure, our share capital comprises Class A ordinary shares and Class C ordinary shares. Each Class A ordinaryshare entitles the holder to exercise one vote, and each Class C ordinary share entitles the holder to exercise eight votes, respectively,on any resolution tabled at our general meetings, except as may otherwise be required by law or by the Rules Governing the Listing ofSecurities on The Stock Exchange of Hong Kong Limited or provided for in our memorandum and articles of association. Shareholders andprospective investors should be aware of the potential risks of investing in a company with a weighted voting rights structure. Our Americandepositary shares, each representing one of our Class A ordinary shares, are listed on the New York Stock Exchange in the United Statesunder the symbol NIO.

NIOInc.

(Acompany controlled through weighted voting rights andincorporated in the Cayman Islands with limited liability)

(StockCode: 9866)

DATE OFBOARD MEETING

The board of directors (“Board”) of NIO Inc. (the “Company”) will hold a Board meeting on Monday, November 24, 2025 (Beijing/Hong Kong/Singapore Time) for the purposes of, among other things, approving the Company’s unaudited financial results for the third quarter 2025 (“Q3 2025 Results”). The Company will publish its Q3 2025 Results on Tuesday, November 25, 2025 (Beijing/Hong Kong/Singapore Time) on the website of The Stock Exchange of Hong Kong Limited at www.hkexnews.hk and the website of the Company at ir.nio.com.

The Company’s management will host an earnings conference call at 8:00 p.m. Beijing/Hong Kong/Singapore Time on November 25, 2025 (7:00 a.m. U.S. Eastern Time on November 25, 2025).

A live and archived webcast of the conference call will be available on the Company’s investor relations website at https://ir.nio.com/news-events/events.

For participants who wish to join the conference using dial-in numbers, please register in advance using the link provided below and dial in 10 minutes prior to the call. Dial-in numbers, passcode and unique access PIN would be provided upon registering.

https://s1.c-conf.com/diamondpass/10051455-lh4ms9.html

By order of the Board
NIO Inc.
Bin Li
Founder, Chairman<br> and Chief Executive Officer

Hong Kong, November 12, 2025

Asof the date of this announcement, the board of directors of the Company comprises Mr. Bin Li as the chairman, Mr. Lihong Qin as the director,Mr. Eddy Georges Skaf and Mr. Nicholas Paul Collins as the non -executive directors, and Mr. Hai Wu, Mr. Denny Ting Bun Lee, Ms. Yu Longand Mr. Yonggang Wen as the independent directors.