Hesai Group (HSAI) adds underwriting agreements to F-3 shelf

Rhea-AI Filing Summary

Hesai Group furnished a Form 6-K that mainly updates the legal documents tied to its existing Form F-3 shelf registration. The company filed an international underwriting agreement form, a signed Hong Kong underwriting agreement dated September 5, 2025, and a specimen certificate for its Class B ordinary shares. These exhibits are incorporated by reference into Hesai Group’s Form F-3 registration statement, meaning they now form part of the legal framework that would govern any future securities offerings under that shelf.

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Form 6-K: How Foreign Companies Report to the SEC →

Accepted by SEC EDGAR 09/11/2025 - 08:50 AM Learn about SEC filing dates

FAQ

What did Hesai Group (HSAI) file in this Form 6-K?

Hesai Group filed a Form 6-K furnishing an international underwriting agreement form, a Hong Kong underwriting agreement, and a specimen Class B share certificate as exhibits.

How does this Form 6-K affect Hesai Group’s Form F-3 shelf registration?

The exhibits to this Form 6-K are incorporated by reference into Hesai Group’s Form F-3 registration statement, making them part of the documents governing potential future offerings under that shelf.

What underwriting agreements did Hesai Group include in the filing?

The filing includes a form of international underwriting agreement and a Hong Kong underwriting agreement dated September 5, 2025.

What is the purpose of the specimen Class B ordinary share certificate in the filing?

The specimen certificate for Class B ordinary shares provides the standard form of share certificate that may be used in connection with future issuances of that share class.

Does this Form 6-K disclose new financial results for Hesai Group (HSAI)?

No financial or earnings data are included; the Form 6-K focuses on legal and underwriting documents related to the company’s Form F-3 registration.

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: 001-41611

Hesai Group

10th Floor, Building A

No. 658 Zhaohua Road, Changning District

Shanghai 200050

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

Exhibit 1.1, Exhibit 1.2 and Exhibit 4.1 to this current report on Form 6-K are incorporated by reference into the registration statement on Form F-3 of Hesai Group (File No. 333-290069) and shall be a part thereof from the date on which this current report is furnished, to the extent not superseded by documents or reports subsequently filed or furnished.

Exhibit Index

1.1	Form of International Underwriting Agreement
1.2	Hong Kong Underwriting Agreement dated September 5, 2025
4.1	Registrant’s Specimen Certificate for Class B Ordinary Shares

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.

	Hesai Group
	By	:	/s/ Yifan Li
	Name	:	Yifan Li
	Title	:	Chief Executive Officer

Date: September 11, 2025