<SEC-DOCUMENT>0001209191-19-034809.txt : 20190605
<SEC-HEADER>0001209191-19-034809.hdr.sgml : 20190605
<ACCEPTANCE-DATETIME>20190605170927
ACCESSION NUMBER:		0001209191-19-034809
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190603
FILED AS OF DATE:		20190605
DATE AS OF CHANGE:		20190605

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KOUNINIS EFSTATHIOS A
		CENTRAL INDEX KEY:			0001353196

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11859
		FILM NUMBER:		19880562

	MAIL ADDRESS:	
		STREET 1:		26 GRANDVIEW DRIVE
		CITY:			DOVER
		STATE:			NH
		ZIP:			03820

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 June 2, 2019, with a release date of June 3, 2019, the first business day following the vesting. The original grant was 6,192 restricted stock units, with 20% vesting on March 2, 2016, and the remaining 80% vesting in equal quarterly installments over the remaining four years.</footnote>
        <footnote id="F2">Represents 5% vesting on June 2, 2019, with a release date of June 3, 2019, the first business day following the vesting. The original grant was 3,410 restricted stock units, with 20% vesting on March 2, 2018, and the remaining 80% vesting in equal quarterly installments over the remaining four years.</footnote>
        <footnote id="F3">Represents 5% vesting on June 5, 2019. The original grant was 2,558 restricted stock units, with 20% vesting on March 5, 2019, and the remaining 80% vesting in equal quarterly installments over the remaining four 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 Efstathios A. Kouninis</signatureName>
        <signatureDate>2019-06-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
