<SEC-DOCUMENT>0001140361-21-009624-index.html : 20210323
<SEC-HEADER>0001140361-21-009624.hdr.sgml : 20210323
<ACCEPTANCE-DATETIME>20210323163454
ACCESSION NUMBER:		0001140361-21-009624
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210323
DATE AS OF CHANGE:		20210323

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Simpson Manufacturing Co., Inc.
		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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13429
		FILM NUMBER:		21765200

	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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIMPSON MANUFACTURING CO INC /CA/
		DATE OF NAME CHANGE:	19940315
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>nc10006522x2_defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: nc10006522x2_defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>nc10006522x2_na01.jpg
<TEXT>
Document 2 - file: nc10006522x2_na01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>nc10006522x2_na02.jpg
<TEXT>
Document 3 - file: nc10006522x2_na02.jpg

</DOCUMENT>
</SEC-DOCUMENT>