<SEC-DOCUMENT>0001567619-19-023422.txt : 20191219
<SEC-HEADER>0001567619-19-023422.hdr.sgml : 20191219
<ACCEPTANCE-DATETIME>20191219154742
ACCESSION NUMBER:		0001567619-19-023422
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20191210
FILED AS OF DATE:		20191219
DATE AS OF CHANGE:		20191219

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			PARTLO RAE ANN
		CENTRAL INDEX KEY:			0001229062

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06936
		FILM NUMBER:		191295673

	MAIL ADDRESS:	
		STREET 1:		9715 BUSINESSPARK AVENUE
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92131

	FORMER NAME:	
		FORMER CONFORMED NAME:	WERNER RAE ANN
		DATE OF NAME CHANGE:	20030425

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WD 40 CO
		CENTRAL INDEX KEY:			0000105132
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS CHEMICAL PRODUCTS [2890]
		IRS NUMBER:				951797918
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		9715 BUSINESSPARK AVENUE
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92131
		BUSINESS PHONE:		6192751400

	MAIL ADDRESS:	
		STREET 1:		9715 BUSINESSPARK AVENUE
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92131
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
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<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2019-12-10</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000105132</issuerCik>
        <issuerName>WD 40 CO</issuerName>
        <issuerTradingSymbol>WDFC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001229062</rptOwnerCik>
            <rptOwnerName>PARTLO RAE ANN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9715 BUSINESSPARK AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92131</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Section 16 Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>411</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
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    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Total includes 389 Restricted Stock Units (Common Stock equivalents), all of which are subject to future vesting and 102 vested Deferred Performance Units (Common Stock equivalents).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Richard T. Clampitt, as attorney-in-fact for Rae Ann Partlo</signatureName>
        <signatureDate>2019-12-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa_partlo.htm
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  <div>
    <div style="text-align: center; line-height: 12.55pt; font-weight: bold;">POWER OF ATTORNEY</div>
    <div style="line-height: 12.55pt;"><br style="line-height: 12.55pt;">
    </div>
    <div style="text-indent: 36pt; line-height: 12.55pt;">KNOW ALL BY THESE PRESENTS, THAT THE UNDERSIGNED HEREBY CONSTITUTES AND APPOINTS EACH OF<font style="font-weight: bold;"> RICHARD T. CLAMPITT</font> AND <font style="font-weight: bold;">HEIDI L. MODRUSAN</font>, SIGNING SINGLY, THE
      UNDERSIGNED&#8217;S TRUE AND LAWFUL ATTORNEY-IN-FACT TO:</div>
    <div style="line-height: 12.55pt;"><br style="line-height: 12.55pt;">
    </div>
    <div style="text-indent: 36pt; line-height: 12.55pt;">(1)<font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font>execute for and on behalf of the undersigned, an officer and/or director of WD-40 Company (the &#8220;Company&#8221;), Forms 3, 4 and 5 in accordance
        with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;</div>
    <div style="line-height: 12.55pt;"><br style="line-height: 12.55pt;">
    </div>
    <div style="text-indent: 36pt; line-height: 11.9pt;">(2)<font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font>execute for and on behalf of the undersigned, an officer and/or director of the Company, forms 144 in accordance with Rule 144 promulgated
        under the Securities Act of 1933;</div>
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    </div>
    <div style="text-indent: 36pt; line-height: 11.9pt;">(3)<font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font>execute for and on behalf of the undersigned, an officer and/or director of the Company, Form ID applications and related documentation in
        accordance with the United States Securities and Exchange Commission Electronic Date Gathering, Analysis, and Retrieval (EDGAR) Filer Management System Requirements;</div>
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    <div style="text-indent: 36pt; line-height: 11.9pt;">(4)<font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font>do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any of the
        foregoing filings and timely file such forms with the United States Securities and Exchange Commission and any stock exchange or similar authority; and</div>
    <div style="line-height: 11.9pt;"><br style="line-height: 11.9pt;">
    </div>
    <div style="text-indent: 36pt; line-height: 11.9pt;">(5)<font style="display: inline-block; text-indent: 0px; font-size: 1px; width: 36pt" id="TRGRRTFtoHTMLTab">&#160;</font>take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of
        benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall
        contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact&#8216;s discretion.</div>
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    </div>
    <div style="text-indent: 34.05pt; line-height: 11.9pt;">The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and
      every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power
      of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact&#8217;s substitute or substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers
      herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned&#8217;s responsibilities to comply with
      Section 16 of the Securities Exchange Act of 1934 or Rule 144 promulgated under the Securities Act of 1933.</div>
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    </div>
    <div style="text-indent: 34.05pt; line-height: 11.9pt;">This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file
      Forms 3, 4 and 5 or Forms 144 with respect to the undersigned&#8217;s holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact. The Power of
      Attorney revokes any and all previous Powers of Attorney of the undersigned.</div>
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    </div>
    <div style="text-indent: 34.05pt; line-height: 11.9pt;">IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 18th day of
      December, 2019.</div>
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            <div style="line-height: 12.55pt;">/s/ RAE ANN PARTLO</div>
          </td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 12%; vertical-align: top;">
            <div style="line-height: 12.55pt;">WITNESS:</div>
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          <td style="width: 48%; vertical-align: top; border-bottom: 2px solid black;">
            <div style="line-height: 12.55pt;">/s/ WENDY D. KELLEY</div>
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            <div style="line-height: 12.55pt;">Signature</div>
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          <td style="width: 12%; vertical-align: top;">&#160;</td>
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          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 12%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 48%; vertical-align: top;">&#160;</td>
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            <div style="line-height: 12.55pt;">Rae Ann Partlo</div>
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          <td style="width: 12%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
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            <div style="line-height: 12.55pt;">Print Name</div>
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          <td style="width: 12%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 48%; vertical-align: top;">
            <div style="line-height: 12.55pt;">Print Name</div>
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          <td style="width: 38%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 12%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 48%; vertical-align: top;">&#160;</td>
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          <td style="width: 38%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 12%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 48%; vertical-align: top; border-bottom: 2px solid black;">
            <div style="line-height: 12.55pt;">December 18, 2019</div>
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          <td style="width: 38%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 12%; vertical-align: top;">&#160;</td>
          <td style="width: 2%; vertical-align: top;">&#160;</td>
          <td style="width: 48%; vertical-align: top;">
            <div style="line-height: 12.55pt;">Date</div>
          </td>
        </tr>

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