    <SEC-DOCUMENT>0000920371-24-000084-index.html : 20240319
    <SEC-HEADER>0000920371-24-000084.hdr.sgml : 20240319
    <ACCEPTANCE-DATETIME>20240319163707
    ACCESSION NUMBER:		0000920371-24-000084
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		21
    CONFORMED PERIOD OF REPORT:	20231231
    FILED AS OF DATE:		20240319
    DATE AS OF CHANGE:		20240319
    EFFECTIVENESS DATE:		20240319

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Simpson Manufacturing Co., Inc.
    		CENTRAL INDEX KEY:			0000920371
    		STANDARD INDUSTRIAL CLASSIFICATION:	CUTLERY, HANDTOOLS & GENERAL HARDWARE [3420]
    		ORGANIZATION NAME:           	04 Manufacturing
    		IRS NUMBER:				943196943
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13429
    		FILM NUMBER:		24764009

    	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>ARS
    <SEQUENCE>1
    <FILENAME>ssd2023annualreportfinal.htm
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: ssd2023annualreportfinal.htm

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    <SEQUENCE>2
    <FILENAME>ssd2023annualreportfinal001.jpg
    <TEXT>
    Document 2 - file: ssd2023annualreportfinal001.jpg

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    <SEQUENCE>3
    <FILENAME>ssd2023annualreportfinal002.jpg
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    Document 3 - file: ssd2023annualreportfinal002.jpg

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    <SEQUENCE>4
    <FILENAME>ssd2023annualreportfinal003.jpg
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    Document 4 - file: ssd2023annualreportfinal003.jpg

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    <FILENAME>ssd2023annualreportfinal004.jpg
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    Document 5 - file: ssd2023annualreportfinal004.jpg

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    <FILENAME>ssd2023annualreportfinal005.jpg
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    Document 6 - file: ssd2023annualreportfinal005.jpg

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    <FILENAME>ssd2023annualreportfinal006.jpg
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    Document 7 - file: ssd2023annualreportfinal006.jpg

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    <SEQUENCE>8
    <FILENAME>ssd2023annualreportfinal007.jpg
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    Document 8 - file: ssd2023annualreportfinal007.jpg

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    <FILENAME>ssd2023annualreportfinal008.jpg
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    Document 9 - file: ssd2023annualreportfinal008.jpg

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    <FILENAME>ssd2023annualreportfinal009.jpg
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    Document 10 - file: ssd2023annualreportfinal009.jpg

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    Document 11 - file: ssd2023annualreportfinal010.jpg

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    <FILENAME>ssd2023annualreportfinal011.jpg
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    Document 12 - file: ssd2023annualreportfinal011.jpg

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    <SEQUENCE>13
    <FILENAME>ssd2023annualreportfinal012.jpg
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    Document 13 - file: ssd2023annualreportfinal012.jpg

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    <SEQUENCE>14
    <FILENAME>ssd2023annualreportfinal013.jpg
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    Document 14 - file: ssd2023annualreportfinal013.jpg

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    <FILENAME>ssd2023annualreportfinal014.jpg
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    Document 15 - file: ssd2023annualreportfinal014.jpg

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    <FILENAME>ssd2023annualreportfinal015.jpg
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    Document 16 - file: ssd2023annualreportfinal015.jpg

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    <SEQUENCE>17
    <FILENAME>ssd2023annualreportfinal016.jpg
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    Document 17 - file: ssd2023annualreportfinal016.jpg

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    <SEQUENCE>18
    <FILENAME>ssd2023annualreportfinal017.jpg
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    Document 18 - file: ssd2023annualreportfinal017.jpg

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    <SEQUENCE>19
    <FILENAME>ssd2023annualreportfinal018.jpg
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    Document 19 - file: ssd2023annualreportfinal018.jpg

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    <FILENAME>ssd2023annualreportfinal019.jpg
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    Document 20 - file: ssd2023annualreportfinal019.jpg

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    <FILENAME>ssd2023annualreportfinal020.jpg
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    Document 21 - file: ssd2023annualreportfinal020.jpg

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