<SEC-DOCUMENT>0001739910-21-000047.txt : 20210528
<SEC-HEADER>0001739910-21-000047.hdr.sgml : 20210528
<ACCEPTANCE-DATETIME>20210528145036
ACCESSION NUMBER:		0001739910-21-000047
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210526
FILED AS OF DATE:		20210528
DATE AS OF CHANGE:		20210528

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MILLER STEVEN G
		CENTRAL INDEX KEY:			0001216336

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-49850
		FILM NUMBER:		21979382

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIG 5 SPORTING GOODS Corp
		CENTRAL INDEX KEY:			0001156388
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-MISCELLANEOUS SHOPPING GOODS STORES [5940]
		IRS NUMBER:				954388794
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0102

	BUSINESS ADDRESS:	
		STREET 1:		2525 EAST EL SEGUNDO BOULEVARD
		CITY:			EL SEGUNDO
		STATE:			CA
		ZIP:			90245-4632
		BUSINESS PHONE:		(310) 297-7706

	MAIL ADDRESS:	
		STREET 1:		2525 EAST EL SEGUNDO BOULEVARD
		CITY:			EL SEGUNDO
		STATE:			CA
		ZIP:			90245-4632

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BIG 5 SPORTING GOODS CORP
		DATE OF NAME CHANGE:	20010822

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BIG 5 HOLDINGS CORP
		DATE OF NAME CHANGE:	20010802
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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    <periodOfReport>2021-05-26</periodOfReport>

    <issuer>
        <issuerCik>0001156388</issuerCik>
        <issuerName>BIG 5 SPORTING GOODS Corp</issuerName>
        <issuerTradingSymbol>BGFV</issuerTradingSymbol>
    </issuer>

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            <rptOwnerCik>0001216336</rptOwnerCik>
            <rptOwnerName>MILLER STEVEN G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BIG 5 SPORTING GOODS CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>2525 EAST EL SEGUNDO BLVD.</rptOwnerStreet2>
            <rptOwnerCity>EL SEGUNDO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90245</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman, President and CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <value>Common Stock, par value $.01</value>
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                <sharesOwnedFollowingTransaction>
                    <value>74584.0</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.01</value>
            </securityTitle>
            <transactionDate>
                <value>2021-05-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1600</value>
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                <transactionPricePerShare>
                    <value>32.79</value>
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            <securityTitle>
                <value>Common Stock, par value $.01</value>
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            <transactionDate>
                <value>2021-05-26</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionShares>
                    <value>3400</value>
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        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, par value $.01</value>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>686885</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By the Steven G. Miller and Jacquelyne G. Miller Trust dated September 13, 1990</value>
                </natureOfOwnership>
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        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, par value $.01</value>
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                    <value>By Robert W. and Florence Miller Family Partners, L.P.</value>
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            <securityTitle>
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                    <value>By the Robert W. Miller and Florence H. Miller Family Trust Marital Trust No. 1 dated 09/11/08</value>
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            </ownershipNature>
        </nonDerivativeHolding>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
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            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-05-26</value>
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                    <value>14843</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0</value>
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                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F7"/>
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            <expirationDate>
                <value>2028-03-01</value>
            </expirationDate>
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                    <value>5209</value>
                </sharesOwnedFollowingTransaction>
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                <transactionFormType>4</transactionFormType>
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                <footnoteId id="F8"/>
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                <value>2029-03-01</value>
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                <sharesOwnedFollowingTransaction>
                    <value>14791</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
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    <footnotes>
        <footnote id="F1">The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.</footnote>
        <footnote id="F2">Represents the weighted average sale price for multiple transactions at prices ranging from $30.00 to $30.20 per share. The undersigned undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F3">Represents the weighted average sale price for multiple transactions at prices ranging from $31.88 to $32.85 per share. The undersigned undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F4">Represents the weighted average sale price for multiple transactions at prices ranging from $32.88 to $32.94 per share. The undersigned undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F5">Represents the weighted average sale price for multiple transactions at prices ranging from $32.75 to $32.84 per share. The undersigned undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F6">Represents the weighted average sale price for multiple transactions at prices ranging from $32.05 to $32.09 per share. The undersigned undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F7">These options were granted on March 1, 2018, and vest in 48 equal monthly installments.</footnote>
        <footnote id="F8">These options were granted on March 1, 2019, and vest in 48 equal monthly installments.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>IAN LANDGREEN, ATTORNEY-IN-FACT</signatureName>
        <signatureDate>2021-05-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
</SEC-DOCUMENT>
