<SEC-DOCUMENT>0001209191-21-060089.txt : 20211008
<SEC-HEADER>0001209191-21-060089.hdr.sgml : 20211008
<ACCEPTANCE-DATETIME>20211008174546
ACCESSION NUMBER:		0001209191-21-060089
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20211006
FILED AS OF DATE:		20211008
DATE AS OF CHANGE:		20211008

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SEWELL D BRUCE
		CENTRAL INDEX KEY:			0001307786

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39744
		FILM NUMBER:		211316221

	MAIL ADDRESS:	
		STREET 1:		ONE INFINITE LOOP
		CITY:			CUPERTINO
		STATE:			CA
		ZIP:			95014

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			C3.ai, Inc.
		CENTRAL INDEX KEY:			0001577526
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				263999357
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0430

	BUSINESS ADDRESS:	
		STREET 1:		1300 SEAPORT BLVD
		STREET 2:		SUITE 500
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94063
		BUSINESS PHONE:		650-503-2218

	MAIL ADDRESS:	
		STREET 1:		1300 SEAPORT BLVD
		STREET 2:		SUITE 500
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94063

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	C3 IoT, Inc.
		DATE OF NAME CHANGE:	20180123

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	C3, Inc.
		DATE OF NAME CHANGE:	20130522
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-10-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001577526</issuerCik>
        <issuerName>C3.ai, Inc.</issuerName>
        <issuerTradingSymbol>AI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001307786</rptOwnerCik>
            <rptOwnerName>SEWELL D BRUCE</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O C3.AI, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1300 SEAPORT BLVD, SUITE 500</rptOwnerStreet2>
            <rptOwnerCity>REDWOOD CITY</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94063</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>44.44</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-10-06</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18147</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2031-10-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>18147</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18147</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Provided the Reporting Person remains a director of the Company and attends in person the regularly scheduled meeting of the Board during each fiscal quarter, commencing on October 6, 2021 (the &quot;Vesting Commencement Date&quot;), then 5% of the shares subject to the option shall vest on the last day of such fiscal quarter (the &quot;Quarterly Shares&quot;) during the term of the option, provided, however, if the Reporting Person fails to attend any such regularly scheduled meeting, then vesting for the Quarterly Shares shall not occur and will be suspended (any such suspended Quarterly Shares being referred to collectively as the &quot;Suspended Shares&quot;). For any Suspended Shares, such shares shall vest only following the fifth anniversary of the applicable Vesting Commencement Date, if the Reporting Person satisfies the attendance requirements in subsequent periods.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Brady Mickelsen, Attorney-in-Fact</signatureName>
        <signatureDate>2021-10-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
