<SEC-DOCUMENT>0001209191-19-017471.txt : 20190306
<SEC-HEADER>0001209191-19-017471.hdr.sgml : 20190306
<ACCEPTANCE-DATETIME>20190306174643
ACCESSION NUMBER:		0001209191-19-017471
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190304
FILED AS OF DATE:		20190306
DATE AS OF CHANGE:		20190306

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KRA DOUGLAS I
		CENTRAL INDEX KEY:			0001237268

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11859
		FILM NUMBER:		19663616

	MAIL ADDRESS:	
		STREET 1:		101 MAIN STREET
		STREET 2:		C/O PEGASYSTEMS INC.
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

ISSUER:		

	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

	BUSINESS ADDRESS:	
		STREET 1:		ONE ROGERS STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142-1209
		BUSINESS PHONE:		6173749600

	MAIL ADDRESS:	
		STREET 1:		ONE ROGERS STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142-1209
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">Represents 5% vesting on March 2, 2019, with a release date of March 4, 2019, the first business day following the vesting. The original grant was 11,145 restricted stock units, with 20% vesting on March 2, 2016, and the remaining 80% vesting in equal quarterly installments over the remaining 4 years.</footnote>
        <footnote id="F2">Represents 5% vesting on March 2, 2019, with a release date of March 4, 2019, the first business day following the vesting. The original grant was 7387 restricted stock units, with 20% vesting on March 2, 2018, and the remaining 80% vesting in equal quarterly installments over the remaining 4 years.</footnote>
        <footnote id="F3">Represents 20% vesting on March 5, 2019. The original grant was 7246 restricted stock units, and the remaining 80% will vest in equal quarterly installments over the remaining 4 years.</footnote>
        <footnote id="F4">Does not include shares of common stock subject to unvested restricted stock units and/or options awards.</footnote>
        <footnote id="F5">Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.</footnote>
        <footnote id="F6">Once vested, the shares of common stock are not subject to expiration.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Janet Mesrobian, Esq., Attorney-In-Fact for Douglas Kra</signatureName>
        <signatureDate>2019-03-06</signatureDate>
    </ownerSignature>
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</SEC-DOCUMENT>
