<SEC-DOCUMENT>0001392972-21-000043-index.html : 20210402
<SEC-HEADER>0001392972-21-000043.hdr.sgml : 20210402
<ACCEPTANCE-DATETIME>20210402082148
ACCESSION NUMBER:		0001392972-21-000043
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20210402
DATE AS OF CHANGE:		20210402

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PROS Holdings, Inc.
		CENTRAL INDEX KEY:			0001392972
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		IRS NUMBER:				760168604
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33554
		FILM NUMBER:		21800550

	BUSINESS ADDRESS:	
		STREET 1:		3200 KIRBY DR.
		STREET 2:		SUITE 600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77098
		BUSINESS PHONE:		713-335-5151

	MAIL ADDRESS:	
		STREET 1:		3200 KIRBY DR.
		STREET 2:		SUITE 600
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77098
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>defa14adefinitiveadditiona.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: defa14adefinitiveadditiona.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>finalpage1card1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: finalpage1card1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>finalpage1notice1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: finalpage1notice1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>finalpage2card1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: finalpage2card1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>finalpage2notice1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: finalpage2notice1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>image8a021.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: image8a021.jpg

</DOCUMENT>
</SEC-DOCUMENT>