<SEC-DOCUMENT>0001213900-21-022295.txt : 20210420
<SEC-HEADER>0001213900-21-022295.hdr.sgml : 20210420
<ACCEPTANCE-DATETIME>20210420161413
ACCESSION NUMBER:		0001213900-21-022295
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210416
FILED AS OF DATE:		20210420
DATE AS OF CHANGE:		20210420

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Berklas James P JR
		CENTRAL INDEX KEY:			0001648298

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38971
		FILM NUMBER:		21837988

	MAIL ADDRESS:	
		STREET 1:		123 MAIN STREET
		CITY:			BRISTOL
		STATE:			CT
		ZIP:			06010

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			XL Fleet Corp.
		CENTRAL INDEX KEY:			0001772720
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				834109918
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		145 NEWTON STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02135
		BUSINESS PHONE:		6177180329

	MAIL ADDRESS:	
		STREET 1:		145 NEWTON STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02135

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Pivotal Investment Corp II
		DATE OF NAME CHANGE:	20190403
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-04-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001772720</issuerCik>
        <issuerName>XL Fleet Corp.</issuerName>
        <issuerTradingSymbol>XL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001648298</rptOwnerCik>
            <rptOwnerName>Berklas James P JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O XL FLEET CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>145 NEWTON STREET</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02135</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>General Counsel</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-04-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>32203</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>32203</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The securities awarded are in the form of restricted stock units issued pursuant to the issuer's 2020 Equity Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the issuer's common stock. Subject to the reporting person's continued service through the vesting dates, 1/4th of the restricted stock units shall vest every 12 months following April 16, 2021 until all shares underlying this award have vested.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jenna Stewart, Attorney-in-Fact</signatureName>
        <signatureDate>2021-04-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
