<SEC-DOCUMENT>0001013857-21-000138.txt : 20210609
<SEC-HEADER>0001013857-21-000138.hdr.sgml : 20210609
<ACCEPTANCE-DATETIME>20210609170407
ACCESSION NUMBER:		0001013857-21-000138
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210607
FILED AS OF DATE:		20210609
DATE AS OF CHANGE:		20210609

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STILLWELL KENNETH
		CENTRAL INDEX KEY:			0001680115

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11859
		FILM NUMBER:		211005870

	MAIL ADDRESS:	
		STREET 1:		ONE ROGERS STREET
		CITY:			CAMBRDIGE
		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 a 5% vesting on June 5, 2021, with a release date of June 7, 2021, the first business day following vesting. The original grant was 8,524 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="F2">Represents a 5% vesting on June 6, 2021, with a release date of June 7, 2021, the first business day following vesting. The original grant was 8,586 restricted stock units, with 20% vesting on March 6, 2020, and the remaining 80% vesting in equal quarterly installments over the remaining four years.</footnote>
        <footnote id="F3">Represents the exercise price for the stock options referenced in Table II and Mr. Stillwell's tax liability, which were paid by way of the Company withholding shares of equal value.</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>
        <footnote id="F7">Options vested 20% on March 2, 2018, with the remaining 80% vesting in equal quarterly amounts over the next four years.</footnote>
        <footnote id="F8">Options vested 20% on March 5, 2019, with the remaining 80% vesting in equal quarterly amounts over the next four years.</footnote>
        <footnote id="F9">Options vested 20% on March 6, 2020, with the remaining 80 vesting in equal quarterly installments over the next four years.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Donald L. Lancaster, Attorney-in-Fact for Kenneth Stillwell</signatureName>
        <signatureDate>2021-06-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
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</SEC-DOCUMENT>
