<SEC-DOCUMENT>0000920371-18-000056-index.html : 20180313
<SEC-HEADER>0000920371-18-000056.hdr.sgml : 20180313
<ACCEPTANCE-DATETIME>20180313134127
ACCESSION NUMBER:		0000920371-18-000056
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		26
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180313
DATE AS OF CHANGE:		20180313
EFFECTIVENESS DATE:		20180313

FILER:

	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

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13429
		FILM NUMBER:		18685969

	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>
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<TYPE>DEF 14A
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<FILENAME>ssdproxy04242018.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: ssdproxy04242018.htm

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Document 2 - file: a180206evolutionchartjpeg.jpg

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<FILENAME>celestebio.jpg
<TEXT>
Document 3 - file: celestebio.jpg

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<FILENAME>ceopaymix.jpg
<TEXT>
Document 4 - file: ceopaymix.jpg

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<FILENAME>committeesfinal.jpg
<TEXT>
Document 5 - file: committeesfinal.jpg

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<FILENAME>directorindependencefinal.jpg
<TEXT>
Document 6 - file: directorindependencefinal.jpg

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<FILENAME>directorrefreshmentprocess.jpg
<TEXT>
Document 7 - file: directorrefreshmentprocess.jpg

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<FILENAME>directorskillsexpertisefinal.jpg
<TEXT>
Document 8 - file: directorskillsexpertisefinal.jpg

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<FILENAME>directortenurefinal.jpg
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Document 9 - file: directortenurefinal.jpg

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<FILENAME>garybioa01.jpg
<TEXT>
Document 10 - file: garybioa01.jpg

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<FILENAME>governancechartfinal.jpg
<TEXT>
Document 11 - file: governancechartfinal.jpg

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<FILENAME>jenniferbioa01.jpg
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Document 12 - file: jenniferbioa01.jpg

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<TEXT>
Document 13 - file: jimbio.jpg

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Document 14 - file: karenbioa01.jpg

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Document 15 - file: mapa01a01.jpg

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Document 16 - file: michaelbless.jpg

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<TEXT>
Document 17 - file: performancecharts.jpg

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<SEQUENCE>18
<FILENAME>peterbio.jpg
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Document 18 - file: peterbio.jpg

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Document 19 - file: philipdonaldson.jpg

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<SEQUENCE>20
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<TEXT>
Document 20 - file: robinbio.jpg

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<SEQUENCE>21
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Document 21 - file: simpsonproxycard002.jpg

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<SEQUENCE>22
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Document 22 - file: simpsonproxycardnotice001.jpg

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Document 23 - file: simpsonproxycardnotice002.jpg

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<SEQUENCE>24
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Document 24 - file: simpsonproxycardnotice003.jpg

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Document 25 - file: simpsonproxycfc5001.jpg

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<TEXT>
Document 26 - file: tsrperformancefinal.jpg

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