<SEC-DOCUMENT>0001899514-22-000002.txt : 20220628
<SEC-HEADER>0001899514-22-000002.hdr.sgml : 20220628
<ACCEPTANCE-DATETIME>20220628090058
ACCESSION NUMBER:		0001899514-22-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220624
FILED AS OF DATE:		20220628
DATE AS OF CHANGE:		20220628

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Volta Energy Technologies, LLC
		CENTRAL INDEX KEY:			0001899514
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40284
		FILM NUMBER:		221046676

	BUSINESS ADDRESS:	
		STREET 1:		28365 DAVIS PARKWAY, SUITE 202
		CITY:			WARRENVILLE
		STATE:			IL
		ZIP:			60555
		BUSINESS PHONE:		630-364-2601

	MAIL ADDRESS:	
		STREET 1:		28365 DAVIS PARKWAY, SUITE 202
		CITY:			WARRENVILLE
		STATE:			IL
		ZIP:			60555

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Solid Power, Inc.
		CENTRAL INDEX KEY:			0001844862
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				861888095
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		486 S. PIERCE AVE., SUITE E
		CITY:			LOUISVILLE
		STATE:			CO
		ZIP:			80027
		BUSINESS PHONE:		(303) 219-0720

	MAIL ADDRESS:	
		STREET 1:		486 S. PIERCE AVE., SUITE E
		CITY:			LOUISVILLE
		STATE:			CO
		ZIP:			80027

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Decarbonization Plus Acquisition Corp III
		DATE OF NAME CHANGE:	20210208
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-06-24</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001844862</issuerCik>
        <issuerName>Solid Power, Inc.</issuerName>
        <issuerTradingSymbol>SLDP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001899514</rptOwnerCik>
            <rptOwnerName>Volta Energy Technologies, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>28365 DAVIS PARKWAY, SUITE 202</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WARRENVILLE</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60555</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-06-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>235853</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.2501</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12015268</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Volta SPV SPW, LLC</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-06-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>187402</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.2501</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2246794</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Volta Energy Storage Fund I, LP</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-06-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>33824</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.2501</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3137745</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Volta SPW Co-investment, LP</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.20 to $6.50, inclusive. The reporting person undertakes to provide to Solid Power, Inc., any security holder of Solid Power, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote 1.</footnote>
        <footnote id="F2">Securities owned directly by Volta SPV SPW, LLC (&quot;Volta SPV&quot;). The Reporting Person is the Managing member of Volta SPV.</footnote>
        <footnote id="F3">Securities owned by Volta Energy Storage Fund I, LP (&quot;VESF&quot;). The General Partner of VESF, Volta Energy Storage Fund I GP, LLC, is a wholly owned subsidiary of the Reporting Person.</footnote>
        <footnote id="F4">Securities owned by Volta SPW Co-investment, LP (&quot;Volta Co-Invest&quot;). The General Partner of Volta Co-invest, Volta Energy Storage Fund I GP, LLC, is a wholly owned subsidiary of the Reporting Person.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Mike Sodaro</signatureName>
        <signatureDate>2022-06-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
