# EDGAR Filing Document

**Accession Number:** 0001861737
**File Stem:** 0001104659-26-048977
**Filing Date:** 2026-4
**Character Count:** 4527
**Document Hash:** 9e7d1f6c054e27d49fdf09bacf919533
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-048977.hdr.sgml**: 20260427

**ACCESSION NUMBER**: 0001104659-26-048977

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20260427

**FILED AS OF DATE**: 20260427

**DATE AS OF CHANGE**: 20260427

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Hesai Group
- **CENTRAL INDEX KEY:** 0001861737
- **STANDARD INDUSTRIAL CLASSIFICATION:** GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC [3569]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 000000000
- **STATE OF INCORPORATION:** E9
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41611
- **FILM NUMBER:** 26896464

**BUSINESS ADDRESS:**
- **STREET 1:** 1588 ZHUGUANG ROAD
- **STREET 2:** 9TH FLOOR, BUILDING L2-B
- **CITY:** SHANGHAI
- **STATE:** F4
- **ZIP:** 201702
- **BUSINESS PHONE:** 86 21 31588240

**MAIL ADDRESS:**
- **STREET 1:** 1588 ZHUGUANG ROAD
- **STREET 2:** 9TH FLOOR, BUILDING L2-B
- **CITY:** SHANGHAI
- **STATE:** F4
- **ZIP:** 201702

**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 April 2026

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 ⌧ Form 40-F ◻

**Exhibit Index**

[99.1](tm2612803d1_ex99-1.htm) [Announcement – Date of Board Meeting](tm2612803d1_ex99-1.htm)

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

---

Date: April 27, 2026

## Exhibit 99.1

**Exhibit 99.1**

*Hong Kong 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 liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.*

![](tm2612803d1_ex99-1img001.jpg)

**Hesai Group**

**禾 賽 科 技 \***

*(A company controlled through weighted voting rights and incorporated in the Cayman Islands with limited liability)*

**(HKEX Stock Code: 2525)**

**(NASDAQ Stock Ticker: HSAI)**

**DATE OF BOARD MEETING**

The board of directors (the "**Board**") of Hesai Group (the "**Company**") hereby announces that a meeting of the Board will be held on May 19, 2026 (Tuesday, Beijing/Hong Kong Time), for the purpose of considering and approving, among other matters, the unaudited quarterly results of the Company and its subsidiaries for the three months ended March 31, 2026 and its publication.

The Company's management will host an earnings conference call at 8:00 A.M. (U.S. Eastern Time)/8:00 P.M. (Beijing/Hong Kong Time) on May 19, 2026, Tuesday). For participants who wish to join the call by phone, please access the link provided below to complete the pre-registration and dial in 5 minutes prior to the scheduled call start time. Upon registration, each participant will receive dial-in details to join the conference call.

Event Title: Hesai Group First Quarter 2026 Earnings Conference Call <br> Pre-registration Link: <u>https://s1.c-conf.com/diamondpass/10054272-8nlxqj.html</u>

Additionally, a live and archived webcast of the conference call will be available on the Company's investor relations website at <u>https://investor.hesaitech.com</u>.

---

| |
|:---|
| By order of the Board |
| **Hesai Group** |
| **Dr. Yifan Li** |
| Chairman of the Board, Executive Director and Chief Executive Officer |

---

Hong Kong, April 27, 2026

*As at the date of this announcement, the Board comprises: (i) Dr. Yifan Li, Dr. Kai Sun, Mr. Shaoqing Xiang and Ms. Cailian Yang as the executive Directors; and (ii) Ms. Yi Zhang, Mr. Jia Ren and Dr. Hui Wang as the independent non-executive Directors.*

\* *For identification purpose only*