<SEC-DOCUMENT>0001288847-18-000079-index.html : 20180508
<SEC-HEADER>0001288847-18-000079.hdr.sgml : 20180508
<ACCEPTANCE-DATETIME>20180508172817
ACCESSION NUMBER:		0001288847-18-000079
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		10
CONFORMED PERIOD OF REPORT:	20180502
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Unregistered Sales of Equity Securities
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180508
DATE AS OF CHANGE:		20180508

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Five9, Inc.
		CENTRAL INDEX KEY:			0001288847
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				943394123
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36383
		FILM NUMBER:		18815924

	BUSINESS ADDRESS:	
		STREET 1:		4000 EXECUTIVE PKWY.
		STREET 2:		SUITE 400
		CITY:			SAN RAMON
		STATE:			CA
		ZIP:			94583
		BUSINESS PHONE:		9252012000

	MAIL ADDRESS:	
		STREET 1:		4000 EXECUTIVE PKWY.
		STREET 2:		SUITE 400
		CITY:			SAN RAMON
		STATE:			CA
		ZIP:			94583

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Five 9 Inc
		DATE OF NAME CHANGE:	20040428
</SEC-HEADER>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>a0508188-kconvertiblenotes.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a0508188-kconvertiblenotes.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>2
<FILENAME>a050818exhibit41indenture.htm
<DESCRIPTION>EXHIBIT 4.1
<TEXT>
Document 2 - file: a050818exhibit41indenture.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>3
<FILENAME>a050818ex101formbasecapped.htm
<DESCRIPTION>EXHIBIT 10.1
<TEXT>
Document 3 - file: a050818ex101formbasecapped.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.2
<SEQUENCE>4
<FILENAME>a050818ex102secondamendmen.htm
<DESCRIPTION>EXHIBIT 10.2
<TEXT>
Document 4 - file: a050818ex102secondamendmen.htm

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>formula1.jpg
<TEXT>
Document 5 - file: formula1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>formula2.jpg
<TEXT>
Document 6 - file: formula2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>formula3.jpg
<TEXT>
Document 7 - file: formula3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>formula4.jpg
<TEXT>
Document 8 - file: formula4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>formula5.jpg
<TEXT>
Document 9 - file: formula5.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>formula6.jpg
<TEXT>
Document 10 - file: formula6.jpg

</DOCUMENT>
</SEC-DOCUMENT>