<SEC-DOCUMENT>0000921895-19-001728-index.html : 20190604
<SEC-HEADER>0000921895-19-001728.hdr.sgml : 20190604
<ACCEPTANCE-DATETIME>20190604162230
ACCESSION NUMBER:		0000921895-19-001728
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20190604
DATE AS OF CHANGE:		20190604

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			A10 Networks, Inc.
		CENTRAL INDEX KEY:			0001580808
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER COMMUNICATIONS EQUIPMENT [3576]
		IRS NUMBER:				201446869
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88506
		FILM NUMBER:		19876890

	BUSINESS ADDRESS:	
		STREET 1:		3 WEST PLUMERIA DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
		BUSINESS PHONE:		(408) 325-8668

	MAIL ADDRESS:	
		STREET 1:		3 WEST PLUMERIA DRIVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VIEX Capital Advisors, LLC
		CENTRAL INDEX KEY:			0001619125
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		150 EAST 52ND STREET
		STREET 2:		3RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-752-5750

	MAIL ADDRESS:	
		STREET 1:		150 EAST 52ND STREET
		STREET 2:		3RD FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Vertex Capital Advisors, LLC
		DATE OF NAME CHANGE:	20140910
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>sc13da310114025_06042019.htm
<DESCRIPTION>AMENDMENT NO. 3 TO THE SCHEDULE 13D
<TEXT>
Document 1 - file: sc13da310114025_06042019.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex991to13da310114025_060419.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
Document 2 - file: ex991to13da310114025_060419.htm

</DOCUMENT>
</SEC-DOCUMENT>