<SEC-DOCUMENT>0001127602-23-018175.txt : 20230607
<SEC-HEADER>0001127602-23-018175.hdr.sgml : 20230607
<ACCEPTANCE-DATETIME>20230607171727
ACCESSION NUMBER:		0001127602-23-018175
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230606
FILED AS OF DATE:		20230607
DATE AS OF CHANGE:		20230607

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Widmar Mark R
		CENTRAL INDEX KEY:			0001362208

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33156
		FILM NUMBER:		23999891

	MAIL ADDRESS:	
		STREET 1:		C/O GRAFTECH INTERNATIONAL LTD
		STREET 2:		12900 SNOW ROAD
		CITY:			PARMA
		STATE:			OH
		ZIP:			44130

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST SOLAR, INC.
		CENTRAL INDEX KEY:			0001274494
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				204623678
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		350 WEST WASHINGTON STREET
		STREET 2:		SUITE 600
		CITY:			TEMPE
		STATE:			AZ
		ZIP:			85288
		BUSINESS PHONE:		(602) 414-9300

	MAIL ADDRESS:	
		STREET 1:		350 WEST WASHINGTON STREET
		STREET 2:		SUITE 600
		CITY:			TEMPE
		STATE:			AZ
		ZIP:			85288

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST SOLAR HOLDINGS LLC
		DATE OF NAME CHANGE:	20031229
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-06-06</periodOfReport>

    <issuer>
        <issuerCik>0001274494</issuerCik>
        <issuerName>FIRST SOLAR, INC.</issuerName>
        <issuerTradingSymbol>FSLR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001362208</rptOwnerCik>
            <rptOwnerName>Widmar Mark R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FIRST SOLAR, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>350 WEST WASHINGTON STREET, SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>TEMPE</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85288</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>1</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-06-06</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>39948</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>199.97</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>90163</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 7, 2023.</footnote>
        <footnote id="F2">This transaction was executed in multiple trades at prices ranging from $199.97 to $200.00. The price reported above reflects the weighted average sale price for the transactions reported on this line. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, 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.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jason E. Dymbort, attorney-in-fact</signatureName>
        <signatureDate>2023-06-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
