<SEC-DOCUMENT>0001104659-26-031419.txt : 20260318
<SEC-HEADER>0001104659-26-031419.hdr.sgml : 20260318
<ACCEPTANCE-DATETIME>20260318182534
ACCESSION NUMBER:		0001104659-26-031419
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260318
FILED AS OF DATE:		20260318
DATE AS OF CHANGE:		20260318

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Yang Cailian
		CENTRAL INDEX KEY:			0001998051
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41611
		FILM NUMBER:		26771179

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		FLOOR 10 BUILDING A, HAISU SQUARE
		STREET 2:		CHANGNING DISTRICT
		CITY:			SHANGHAI
		PROVINCE COUNTRY:   	F4
		ZIP:			200050

ISSUER:		

	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

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>tm269116-6_3seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0607</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2026-03-18</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001861737</issuerCik>
        <issuerName>Hesai Group</issuerName>
        <issuerTradingSymbol>HSAI</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001998051</rptOwnerCik>
            <rptOwnerName>Yang Cailian</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>10TH FLOOR, BUILDING A</rptOwnerStreet1>
            <rptOwnerStreet2>NO. 658 ZHAOHUA ROAD, CHANGNING DISTRICT</rptOwnerStreet2>
            <rptOwnerCity>SHANGHAI</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>F4</rptOwnerCountry>
            <rptOwnerZipCode>200050</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President of Operations</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>American depositary shares</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>122632</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.1</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2021-07-03</value>
            </exerciseDate>
            <expirationDate>
                <value>2028-07-03</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>181042</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.3</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2022-08-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2028-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9441</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.3</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2023-08-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2028-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9441</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.3</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2024-08-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2028-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9441</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.3</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2025-08-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2028-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9443</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.63</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2025-05-01</value>
            </exerciseDate>
            <expirationDate>
                <value>2030-06-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9090</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.63</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2026-05-01</value>
            </exerciseDate>
            <expirationDate>
                <value>2030-06-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9090</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.63</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2027-05-01</value>
            </exerciseDate>
            <expirationDate>
                <value>2030-06-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>9093</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.63</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-06-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2993</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.9</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2026-01-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2031-11-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.9</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2027-01-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2031-11-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.9</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2028-01-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2031-11-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.9</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2029-01-31</value>
            </exerciseDate>
            <expirationDate>
                <value>2031-11-18</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted share units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted share units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted share units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F5"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted share units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F6"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F6"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B ordinary shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each American depositary share represents one Class B ordinary share.</footnote>
        <footnote id="F2">Option to purchase 2,108 Class B ordinary shares has vested as of the date of this filing, and the remaining option will vest on a monthly basis since April 1, 2026, with 62 Class Bordinary shares vesting each month until April 1, 2027 and 79 Class B ordinary shares vesting on May 1, 2027.</footnote>
        <footnote id="F3">Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plan, which will vest on December 1, 2026 and do not have expiration dates. These restricted share units evidence the contingent right to receive Class B ordinary shares upon vesting.</footnote>
        <footnote id="F4">Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plan, which will vest on December 1, 2027 and do not have expiration dates. These restricted share units evidence the contingent right to receive Class B ordinary shares upon vesting.</footnote>
        <footnote id="F5">Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plan, which will vest on December 1, 2028 and do not have expiration dates. These restricted share units evidence the contingent right to receive Class B ordinary shares upon vesting.</footnote>
        <footnote id="F6">Represents restricted share units granted to the reporting person pursuant to the issuer's share incentive plan, which will vest on December 1, 2029 and do not have expiration dates. These restricted share units evidence the contingent right to receive Class B ordinary shares upon vesting.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Cailian Yang</signatureName>
        <signatureDate>2026-03-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
