<SEC-DOCUMENT>0001140361-17-037562.txt : 20171004
<SEC-HEADER>0001140361-17-037562.hdr.sgml : 20171004
<ACCEPTANCE-DATETIME>20171004132037
ACCESSION NUMBER:		0001140361-17-037562
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170516
FILED AS OF DATE:		20171004
DATE AS OF CHANGE:		20171004

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BLESS MICHAEL A
		CENTRAL INDEX KEY:			0001204903

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13429
		FILM NUMBER:		171121080

	MAIL ADDRESS:	
		STREET 1:		C/O ROCKWELL INTERNATIONAL INC
		STREET 2:		777 E. WISCONSIN AVE #1400
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIMPSON MANUFACTURING CO INC /CA/
		CENTRAL INDEX KEY:			0000920371
		STANDARD INDUSTRIAL CLASSIFICATION:	CUTLERY, HANDTOOLS & GENERAL HARDWARE [3420]
		IRS NUMBER:				943196943
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5956 W LAS POSITAS BLVD
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588
		BUSINESS PHONE:		9255609000

	MAIL ADDRESS:	
		STREET 1:		5956 W LAS POSITAS BLVD
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3/A
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2017-05-16</periodOfReport>

    <dateOfOriginalSubmission>2017-05-16</dateOfOriginalSubmission>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000920371</issuerCik>
        <issuerName>SIMPSON MANUFACTURING CO INC /CA/</issuerName>
        <issuerTradingSymbol>SSD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001204903</rptOwnerCik>
            <rptOwnerName>BLESS MICHAEL A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5956 W. LAS POSITAS BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PLEASANTON</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94588</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks>This Form 3 amendment is being
filed solely to attach the reporting person's Power of Attorney as an exhibit to the original Form 3 filed on May 16, 2017 and does not revise any of the information set forth in the original filing.

See the reporting person's Form 4 filed on May 16, 2017.

Exhibit List:
Exhibit 24.1 Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>Brian J. Magstadt, as Attorney-in-Fact for Michael A. Bless</signatureName>
        <signatureDate>2017-10-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>mablesspoa.htm
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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: center">POWER OF ATTORNEY RELATING TO</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: center">STATEMENTS ON SCHEDULE 13D OR 13G</div>

<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: center">AND REPORTS UNDER SECTION 16</div>

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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: justify">The undersigned hereby constitutes and appoints each of Karen Colonias, Brian J. Magstadt and Sunny H. Leung, each acting individually, as&#160;the undersigned's&#160;true and lawful agent and attorney-in-fact, each with full power and authority for and on behalf of the undersigned to prepare or cause to be prepared, sign, file with the Securities and Exchange Commission and furnish to any other person all certificates, instruments, agreements and documents necessary to comply with section 13(d) and section 16 of the Securities Exchange Act of 1934, as amended (the "Act"),&#160;and the rules and regulations thereunder,<font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-WEIGHT: bold">&#160;</font>in connection with securities of Simpson Manufacturing Co., Inc. and to do and perform every act proper&#160;and convenient&#160;to be done incident to the exercise of foregoing power, as fully as the undersigned might or could do if personally present, it being understood that any certificate, instrument, agreement or document executed by any 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 person's discretion.</div>

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<div style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif; TEXT-ALIGN: justify">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 Simpson Manufacturing Co., Inc. assuming, any of the undersigned's responsibilities to comply with section 13 or section 16 of the Act.</div>

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<div style="TEXT-ALIGN: left"><font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif">Date:</font><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 1px; DISPLAY: inline-block; WIDTH: 30pt">&#160;</font><font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif"><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 1px; DISPLAY: inline-block; WIDTH: 6pt">&#160;</font><font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif"><u>April 24, 2017</u></font></font></div>

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<div style="TEXT-ALIGN: left"><font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif">By:</font><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 1px; DISPLAY: inline-block; WIDTH: 30pt">&#160;</font><font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif"><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 1px; DISPLAY: inline-block; WIDTH: 6pt">&#160;</font><font style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman', Times, serif"><u>/S/ Michael A. Bless</u></font></font></div>

<div style="TEXT-ALIGN: left"><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 1px; DISPLAY: inline-block; WIDTH: 9pt">&#160;</font><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 1px; DISPLAY: inline-block; WIDTH: 9pt">&#160;</font><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 1px; DISPLAY: inline-block; WIDTH: 9pt">&#160;</font><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 1px; DISPLAY: inline-block; WIDTH: 9pt">&#160;</font><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 1px; DISPLAY: inline-block; WIDTH: 9pt">&#160;</font><font id="TRGRRTFtoHTMLTab" style="FONT-SIZE: 1px; DISPLAY: inline-block; WIDTH: 9pt">&#160;</font>Michael A. Bless</div>

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</DOCUMENT>
</SEC-DOCUMENT>
