<SEC-DOCUMENT>0001209191-20-044562.txt : 20200803
<SEC-HEADER>0001209191-20-044562.hdr.sgml : 20200803
<ACCEPTANCE-DATETIME>20200803205808
ACCESSION NUMBER:		0001209191-20-044562
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200730
FILED AS OF DATE:		20200803
DATE AS OF CHANGE:		20200803

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:		201070741

	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>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>FORM 4 SUBMISSION
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    <footnotes>
        <footnote id="F1">Represents the weighted average of the sale prices, ranging from $114.53 to $114.78. The individual has provided the Company, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F2">Represents the 5% quarterly vesting on August 1, 2020, with a release date of August 3, 2020, the first business day following vesting. The original grant was 43,732 restricted stock units, with 20% vested on August 1, 2017, and the remaining 80% in equal quarterly installments over the remaining four years.</footnote>
        <footnote id="F3">Represents the exercise price of the stock option referenced in Table II and Mr. Stillwell's tax liability, which was paid by way of the Company withholding shares of equal value.</footnote>
        <footnote id="F4">Represents the weighted average of the sale prices, ranging from $116.85 to $117.54. The individual has provided the Company, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F5">Represents the weighted average of the sale prices, ranging from $118.10 to $118.54. The individual has provided the Company, and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Company, upon request, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F6">Does not include shares of common stock subject to unvested restricted stock units and/or options awards.</footnote>
        <footnote id="F7">Each restricted stock unit represents the right to receive, following vesting, one share of the issuer's common stock.</footnote>
        <footnote id="F8">Once vested, shares of common stock are not subject to expiration.</footnote>
        <footnote id="F9">Options vested 20% on August 1, 2017, with the remaining 80% vesting in equal quarterly amounts.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jenna L. Burstyn, Attorney-in-Fact for Kenneth Stillwell</signatureName>
        <signatureDate>2020-08-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
