<SEC-DOCUMENT>0001206774-20-001084-index.html : 20200406
<SEC-HEADER>0001206774-20-001084.hdr.sgml : 20200406
<ACCEPTANCE-DATETIME>20200406161055
ACCESSION NUMBER:		0001206774-20-001084
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20200406
DATE AS OF CHANGE:		20200406
EFFECTIVENESS DATE:		20200406

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Zendesk, Inc.
		CENTRAL INDEX KEY:			0001463172
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36456
		FILM NUMBER:		20777101

	BUSINESS ADDRESS:	
		STREET 1:		1019 MARKET STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103
		BUSINESS PHONE:		(415) 418-7506

	MAIL ADDRESS:	
		STREET 1:		1019 MARKET STREET
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94103
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>zen3706421-defa14a.htm
<DESCRIPTION>DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS
<TEXT>
Document 1 - file: zen3706421-defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>zen3706421-defa14ax1x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: zen3706421-defa14ax1x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>zen3706421-defa14ax2x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: zen3706421-defa14ax2x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>zen3706421-defa14ax3x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: zen3706421-defa14ax3x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>zen3706421-defa14ax4x1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: zen3706421-defa14ax4x1.jpg

</DOCUMENT>
</SEC-DOCUMENT>