    <SEC-DOCUMENT>0001013857-23-000090-index.html : 20230428
    <SEC-HEADER>0001013857-23-000090.hdr.sgml : 20230428
    <ACCEPTANCE-DATETIME>20230428172740
    ACCESSION NUMBER:		0001013857-23-000090
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20221231
    FILED AS OF DATE:		20230428
    DATE AS OF CHANGE:		20230428
    EFFECTIVENESS DATE:		20230428

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			PEGASYSTEMS INC
    		CENTRAL INDEX KEY:			0001013857
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
    		IRS NUMBER:				042787865
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-11859
    		FILM NUMBER:		23868507

    	BUSINESS ADDRESS:
    		STREET 1:		ONE MAIN STREET
    		CITY:			CAMBRIDGE
    		STATE:			MA
    		ZIP:			02142-1531
    		BUSINESS PHONE:		6173749600

    	MAIL ADDRESS:
    		STREET 1:		ONE MAIN STREET
    		CITY:			CAMBRIDGE
    		STATE:			MA
    		ZIP:			02142-1531
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>pegasystems_10kxarsx2023.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: pegasystems_10kxarsx2023.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>