<SEC-DOCUMENT>0001580808-17-000014.txt : 20170224
<SEC-HEADER>0001580808-17-000014.hdr.sgml : 20170224
<ACCEPTANCE-DATETIME>20170223190719
ACCESSION NUMBER:		0001580808-17-000014
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20170224
DATE AS OF CHANGE:		20170223
EFFECTIVENESS DATE:		20170224

FILER:

	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:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-216208
		FILM NUMBER:		17634252

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>s-8.htm
<DESCRIPTION>S-8
<TEXT>
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<div><a name="s2E7074E9305CFA14F4AC498D858318F4"></a></div><div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:20pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:94.25925925925925%;border-collapse:collapse;text-align:left;"><tr><td colspan="11"></td></tr><tr><td style="width:31%;"></td><td style="width:6%;"></td><td style="width:11%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:15%;"></td><td style="width:1%;"></td><td style="width:1%;"></td></tr><tr><td colspan="11" style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;padding-bottom:4px;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">As filed with the Securities and Exchange Commission on February 23, 2017</font></div><div style="text-align:right;padding-bottom:4px;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Registration No. 333-                                              </font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #00000a;"><div style="padding-top:5px;text-align:center;font-size:16pt;"><font style="font-family:inherit;font-size:16pt;font-weight:bold;">UNITED STATES</font></div><div style="padding-top:5px;text-align:center;font-size:16pt;"><font style="font-family:inherit;font-size:16pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Washington, D.C. 20549</font></div></td></tr><tr><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:15pt;"><font style="font-family:inherit;font-size:15pt;font-weight:bold;">FORM S&#8209;8</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:13pt;"><font style="font-family:inherit;font-size:13pt;font-weight:bold;">REGISTRATION STATEMENT</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-style:italic;font-weight:bold;">UNDER </font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-style:italic;font-weight:bold;">THE SECURITIES ACT OF 1933</font></div></td></tr><tr><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:20pt;"><font style="font-family:inherit;font-size:20pt;font-weight:bold;">A10 NETWORKS, INC.</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:8px;padding-bottom:8px;padding-right:2px;"><div style="padding-bottom:8px;text-align:center;font-size:7.5pt;"><font style="font-family:inherit;font-size:7.5pt;font-weight:bold;">(Exact name of Registrant as specified in its charter)</font></div></td></tr><tr><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Delaware</font></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="5" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">20-1446869</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:8px;padding-bottom:8px;padding-right:2px;"><div style="padding-bottom:8px;text-align:center;font-size:7pt;"><font style="font-family:inherit;font-size:7pt;font-weight:bold;">(State or other jurisdiction of <br>incorporation or organization)</font></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="5" style="vertical-align:top;padding-left:2px;padding-top:8px;padding-bottom:8px;padding-right:2px;"><div style="padding-bottom:8px;text-align:center;font-size:7pt;"><font style="font-family:inherit;font-size:7pt;font-weight:bold;">(I.R.S. Employer <br>Identification No.)</font></div></td></tr><tr><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">3 West Plumeria Drive</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">San Jose, CA 95134</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:8px;padding-bottom:8px;padding-right:2px;"><div style="padding-bottom:8px;text-align:center;font-size:7pt;"><font style="font-family:inherit;font-size:7pt;font-weight:bold;">(Address of principal executive offices, including zip code)</font></div></td></tr><tr><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">Amended and Restated 2014 Equity Incentive Plan</font></div><div style="text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:8px;padding-bottom:8px;padding-right:2px;"><div style="padding-bottom:8px;text-align:center;font-size:7pt;"><font style="font-family:inherit;font-size:7pt;font-weight:bold;">(Full title of the plan)</font></div></td></tr><tr><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Lee Chen</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">President and Chief Executive Officer </font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">A10 Networks, Inc. </font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">3 West Plumeria Drive</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">San Jose, CA 95134</font></div><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">(408) 325-8668</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:8px;padding-bottom:8px;padding-right:2px;"><div style="padding-bottom:8px;text-align:center;font-size:7pt;"><font style="font-family:inherit;font-size:7pt;font-weight:bold;">(Name, address and telephone number, including area code, of agent for service)</font></div></td></tr><tr><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;"><br></font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Herbert P. Fockler</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Mark B. Baudler</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Wilson Sonsini Goodrich &amp; Rosati</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Professional Corporation</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">650 Page Mill Road</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Palo Alto, CA 94304</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">(650) 493-9300</font></div></td><td colspan="5" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-style:italic;">Copies to:</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;"><br></font></div></td><td colspan="5" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;"><br></font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Robert Cochran</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Executive Vice President,</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">Legal and Corporate Collaboration</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">A10 Networks, Inc.</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">3 West Plumeria Drive</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">San Jose, CA 95134</font></div><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;">(408) 325-8668</font></div></td></tr><tr><td colspan="3" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="8" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td colspan="11" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company.  See the definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer&#8221; and &#8220;smaller reporting company&#8221; in Rule&#160;12b-2 of the Exchange Act (Check one).</font></div></td></tr><tr><td colspan="5" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:4px;padding-left:48px;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Large accelerated filer </font><font style="font-family:Wingdings;font-size:8pt;">o</font><font style="font-family:inherit;font-size:8pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<br>Non-accelerated filer   </font><font style="font-family:Wingdings;font-size:8pt;">o</font><font style="font-family:inherit;font-size:8pt;">&#160;&#160;&#160;&#160;(Do not check if a smaller reporting company)</font></div></td><td colspan="6" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:4px;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">Accelerated filer                   </font><font style="font-family:Wingdings;font-size:8pt;">x</font><font style="font-family:inherit;font-size:8pt;">&#160;&#160;&#160;<br>Smaller reporting company  </font><font style="font-family:Wingdings;font-size:8pt;">o</font></div></td></tr></table></div></div><div><br></div><div></div><hr style="page-break-after:always"><div></div><div><br></div><div style="line-height:115%;padding-top:16px;text-align:center;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"></td></tr><tr><td style="width:41%;"></td><td style="width:10%;"></td><td style="width:4%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:16%;"></td><td style="width:14%;"></td><td style="width:1%;"></td></tr><tr><td colspan="9" style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">CALCULATION OF REGISTRATION FEE</font></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:1px solid #00000a;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Title&#160;of Securities <br>to be Registered</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:1px solid #00000a;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Proposed <br>Maximum Amount <br>to be <br>Registered (1)</font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:1px solid #00000a;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Proposed <br>Maximum <br>Offering Price <br>per Share</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:1px solid #00000a;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Aggregate <br>Offering Price</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-top:1px solid #00000a;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Amount of <br>Registration Fee</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Common Stock, par value $0.00001 per share, reserved for issuance pursuant to the Amended and Restated 2014 Equity Incentive Plan   </font></div></td><td colspan="2" style="vertical-align:top;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:3px double #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;3,394,376 (2)</font></div></td><td colspan="3" style="vertical-align:top;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:3px double #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;$ 9.55 (3)</font></div></td><td style="vertical-align:top;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:3px double #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;$ 32,416,290.80</font></div></td><td style="vertical-align:top;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-top:3px double #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;$ 3,757.05</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">TOTAL</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:3px double #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3,394,376</font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:3px double #000000;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double #000000;border-top:3px double #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;$ 32,416,290.80</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:3px double #000000;border-right:3px double 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style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #00000a;"><div style="overflow:hidden;height:22px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #00000a;"><div style="overflow:hidden;height:22px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #00000a;"><div style="overflow:hidden;height:22px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #00000a;"><div style="overflow:hidden;height:22px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #00000a;"><div style="overflow:hidden;height:22px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #00000a;"><div style="overflow:hidden;height:22px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:22px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td colspan="8" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:8px;padding-left:33px;text-indent:-34px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(1)   Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the &#8220;</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Securities Act</font><font style="font-family:inherit;font-size:10pt;">&#8221;), this registration statement shall also cover any additional securities that may be necessary to adjust the number of shares reserved for issuance pursuant to the Registrant&#8217;s Amended and Restated 2014 Equity Incentive Plan (the &#8220;</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">2014 Plan</font><font style="font-family:inherit;font-size:10pt;">&#8221;) by reason of any stock split, stock dividend or similar adjustment effected without the Registrant&#8217;s receipt of consideration that results in an increase in the number of outstanding shares of the Registrant&#8217;s common stock. </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td colspan="8" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:4px;text-align:left;padding-left:33px;text-indent:-34px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(2)   Reflects an automatic annual increase of 3,394,376 on January 1, 2017 to the number of shares of Registrant&#8217;s Common Stock reserved for issuance under the 2014 Plan, which annual increase is provided for in the 2014 Plan.</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td colspan="8" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:4px;text-align:left;padding-left:33px;text-indent:-34px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(3)   Estimated in accordance with paragraphs (c) and (h) of Rule 457 under the Securities Act solely for the purpose of calculating the registration fee on the basis of $9.55 per share, which represents the average of the high and low price per share of the Registrant&#8217;s common stock on February 17, 2017 as reported on the New York Stock Exchange.</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr></table></div></div><div style="line-height:115%;padding-top:16px;text-align:left;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;"><br></font></div><div><br></div><div></div><hr style="page-break-after:always"><div><a name="s49495317B9EF01A6FD02498D879641CB"></a></div><div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">REGISTRATION OF ADDITIONAL SECURITIES </font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">PURSUANT TO GENERAL INSTRUCTION E </font></div><div style="line-height:120%;padding-top:12px;text-align:left;text-indent:22px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">This Registration Statement on Form S-8 (the &#8220;Registration Statement&#8221;) registers additional shares of Common Stock of A10 Networks, Inc. (the &#8220;Registrant&#8221;) to be issued pursuant to the Registrant&#8217;s Amended and Restated 2014 Equity Incentive Plan (the &#8220;</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">2014 Plan</font><font style="font-family:inherit;font-size:10pt;">&#8221;). The number of shares of the Registrant&#8217;s common stock available for grant and issuance under the 2014 Plan is subject to an annual increase on the first day of each fiscal year starting on January&#160;1, 2015 by an amount equal to the least of (i)&#160;8,000,000 Shares, (ii)&#160;five percent (5%) of the outstanding Shares (as defined in the 2014 Plan) on the last day of the immediately preceding fiscal year of the Registrant or (iii)&#160;such number of Shares determined by the board of directors of the Registrant.</font></div><div style="line-height:120%;padding-top:16px;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">On January&#160;1, 2017, the number of shares of the Registrant&#8217;s common stock available for grant and issuance under the 2014 Plan increased by 3,394,376 shares.  These additional shares of Common Stock have become reserved for issuance as a result of the operation of the &#8220;evergreen&#8221; provision of the 2014 Plan.  Accordingly, the content of the Registrant&#8217;s Registration Statement on Form S-8 (No. 333-194719) filed with the Securities and Exchange Commission (the &#8220;Commission&#8221;) on March&#160;21, 2014, as amended by the Post-Effective Amendment No. 1 to the Registration Statement on Form S-8 filed with the Commission on June&#160;23, 2014, is incorporated herein by reference pursuant to General Instruction E of Form S-8.</font></div><div><br></div><div><div style="line-height:120%;text-align:left;font-size:7.5pt;"><font style="font-family:inherit;font-size:7.5pt;"><br></font></div></div><hr style="page-break-after:always"><div></div><div><br></div><div style="line-height:120%;padding-top:32px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">PART II</font></div><div style="line-height:120%;padding-top:16px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</font></div><div style="line-height:120%;padding-top:16px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Item 3.&#160;&#160;&#160;&#160;Incorporation of Documents by Reference. </font></div><div style="line-height:120%;padding-top:6px;text-align:left;text-indent:22px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Registrant hereby incorporates by reference in this Registration Statement the following documents and information previously filed with the Commission: </font></div><div style="line-height:120%;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.0788675429727%;border-collapse:collapse;text-align:left;"><tr><td colspan="3"></td></tr><tr><td style="width:3%;"></td><td style="width:4%;"></td><td style="width:93%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:18px;text-indent:-18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(1)The Registrant&#8217;s Annual Report on Form 10-K filed with the Commission on February 23, 2017 pursuant to Section 13(a) of the Securities Exchange Act of 1934, as amended (the &#8220;</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Exchange Act</font><font style="font-family:inherit;font-size:10pt;">&#8221;); 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</font><font style="font-family:inherit;font-size:10pt;font-style:italic;">provided</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">however</font><font style="font-family:inherit;font-size:10pt;">, that documents or information deemed to have been furnished and not filed in accordance with the rules of the Commission shall not be deemed incorporated by reference into this Registration Statement. </font></div><div style="line-height:120%;padding-top:12px;text-align:left;text-indent:22px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes of this Registration Statement to the extent that a statement contained herein or in any other subsequently filed document which also is or is deemed to be incorporated by reference herein modifies or supersedes such statement. 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style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Incorporated by Reference Herein</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Exhibit Number</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Description</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Filed Herewith</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Form</font></div></td><td 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style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">5.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Opinion of Wilson Sonsini Goodrich &amp; Rosati, Professional Corporation</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">X</font></div></td><td 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style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">23.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Consent of Deloitte &amp; Touche LLP, Independent Registered Public Accounting Firm</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">X</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">23.2</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Consent of Wilson Sonsini Goodrich &amp; Rosati, Professional Corporation (see Exhibit 5.1)</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">X</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">24.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Power of Attorney (contained on signature page hereto)</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">X</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:middle;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">99.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:middle;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Amended and Restated 2014 Equity Incentive Plan and forms of agreement thereunder</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:middle;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">10-K</font></div></td><td style="vertical-align:middle;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">001-36343</font></div></td><td style="vertical-align:middle;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">10.4</font></div></td><td style="vertical-align:middle;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">2/29/2016</font></div></td></tr></table></div></div><div><br></div><div></div><hr style="page-break-after:always"><div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">SIGNATURES</font></div><div style="line-height:120%;padding-top:16px;text-align:justify;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of San Jose, State of California, on  </font><font style="font-family:inherit;font-size:10pt;">February&#160;23, 2017</font><font style="font-family:inherit;font-size:10pt;">.</font></div><div style="line-height:115%;padding-top:16px;text-align:left;padding-left:336px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">A10 NETWORKS, INC.</font></div><div style="line-height:115%;padding-top:16px;text-align:left;padding-left:336px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">By:</font><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">&#32;/s/ Lee Chen&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div><div style="line-height:115%;text-align:left;padding-left:336px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Lee Chen</font></div><div style="line-height:115%;text-align:left;padding-left:336px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Chief Executive Officer and President</font></div><div style="line-height:115%;padding-top:16px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:115%;padding-top:16px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">POWER OF ATTORNEY</font></div><div style="line-height:120%;padding-top:16px;text-align:justify;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Lee Chen and Greg Straughn, and each of them, as his true and lawful attorney in fact and agent with full power of substitution, for him in any and all capacities, to sign any and all amendments to this Registration Statement on Form S-8 (including post-effective amendments), and to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney in fact, proxy and agent full power and authority to do and 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style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Lee Chen</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(Principal Executive Officer)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td 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style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">and Secretary and Director</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">/s/  Peter Y. Chung</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Director</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">February 23, 2017</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Peter Y. Chung</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">/s/ Alan S. Henricks</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Director</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">February 23, 2017</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Alan S. Henricks</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">/s/ Phillip J. Salsbury</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Director</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">February 23, 2017</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Phillip J. Salsbury</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr></table></div></div><div style="line-height:120%;padding-top:16px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div></div><hr style="page-break-after:always"><div></div><div><br></div><div style="line-height:120%;padding-top:16px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;padding-top:16px;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">EXHIBIT INDEX</font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"></td></tr><tr><td style="width:9%;"></td><td style="width:3%;"></td><td style="width:34%;"></td><td style="width:10%;"></td><td style="width:10%;"></td><td style="width:2%;"></td><td style="width:12%;"></td><td style="width:10%;"></td><td style="width:10%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Incorporated by Reference Herein</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Exhibit Number</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Description</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Filed Herewith</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Form</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:16px;text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;"><br></font></div><div style="padding-top:16px;text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">File No. </font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Exhibit</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;font-weight:bold;text-decoration:underline;">Filing Date</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Specimen common stock certificate of the Registrant</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">S-1/A</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">333-194015</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4.1</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3/10/2014</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">5.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Opinion of Wilson Sonsini Goodrich &amp; Rosati, Professional Corporation</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">X</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">23.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Consent of Deloitte &amp; Touche LLP, Independent Registered Public Accounting Firm</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">X</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">23.2</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Consent of Wilson Sonsini Goodrich &amp; Rosati, Professional Corporation (see Exhibit 5.1)</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">X</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">24.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Power of Attorney (contained on signature page hereto)</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">X</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">99.1</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:16px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Amended and Restated 2014 Equity Incentive Plan and forms of agreement thereunder</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:middle;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">10-K</font></div></td><td style="vertical-align:middle;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">001-36343</font></div></td><td style="vertical-align:middle;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">10.4</font></div></td><td style="vertical-align:middle;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">2/29/2016</font></div></td></tr></table></div></div><div style="line-height:120%;padding-top:16px;text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br></font></div><div><br></div><div></div>	</body>
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<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>exhibit51consentopinionwsgr.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
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<div><a name="s86A007F83A77BCAA4747498D86CBD1F1"></a></div><div></div><div><br></div><div style="line-height:120%;padding-top:16px;text-align:right;padding-left:462px;text-indent:648px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"></font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Exhibit 5.1</font></div><div style="line-height:130%;padding-bottom:10px;text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br></font></div><div style="line-height:120%;padding-top:16px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">February&#160;23, 2017</font></div><div style="line-height:120%;padding-top:16px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">A10 Networks, Inc. </font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3 West Plumeria Drive</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">San Jose, CA 95134</font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><table cellpadding="0" cellspacing="0" style="padding-bottom:10px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:0px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:130%;font-size:10pt;padding-left:0px;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Re:</font></div></td><td style="vertical-align:top;padding-left:48px;"><div style="line-height:130%;text-align:left;font-size:10pt;text-indent:-48px;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Registration Statement on Form S-8</font></div></td></tr></table><div style="line-height:120%;padding-top:16px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Ladies and Gentlemen:</font></div><div style="line-height:120%;padding-bottom:10px;padding-top:16px;text-align:justify;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">We have examined the Registration Statement on Form&#160;S&#8209;8 (the &#8220;</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Registration Statement</font><font style="font-family:inherit;font-size:10pt;">&#8221;) to be filed by A10 Networks, Inc., a Delaware corporation, with the Securities and Exchange Commission on or about the date hereof, in connection with the registration under the Securities Act of 1933, as amended, of an aggregate of 3,394,376 shares of your common stock, par value $0.00001 per share (the &#8220;</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Common Stock</font><font style="font-family:inherit;font-size:10pt;">&#8221;) reserved for issuance pursuant to the Amended and Restated 2014 Equity Incentive Plan (which plan is referred to herein as the &#8220;</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Plan</font><font style="font-family:inherit;font-size:10pt;">&#8221; and which shares of Common Stock are referred to herein as the &#8220;</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Shares</font><font style="font-family:inherit;font-size:10pt;">&#8221;). As your legal counsel, we have reviewed the actions proposed to be taken by you in connection with the issuance and sale of the Shares to be issued under the Plan.</font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">It is our opinion that the Shares, when issued and sold in the manner referred to in the Plan and pursuant to the agreements which accompany the Plan, will be legally and validly issued, fully paid and nonassessable.</font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">We consent to the use of this opinion as an exhibit to the Registration Statement, and further consent to the use of our name wherever appearing in the Registration Statement and any amendments thereto.</font></div><div style="line-height:130%;padding-bottom:10px;text-align:left;padding-left:312px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:130%;padding-bottom:10px;text-align:left;padding-left:312px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Sincerely,</font></div><div style="line-height:130%;padding-bottom:10px;text-align:left;padding-left:312px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:130%;padding-bottom:10px;text-align:left;padding-left:312px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">WILSON SONSINI GOODRICH &amp; ROSATI</font></div><div style="line-height:130%;padding-bottom:10px;text-align:left;padding-left:312px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Professional Corporation</font></div><div style="line-height:174%;text-align:left;padding-left:312px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">/s/ Wilson Sonsini Goodrich &amp; Rosati, P.C.</font></div><div style="line-height:130%;padding-bottom:10px;text-align:left;padding-left:312px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br></font></div><div style="line-height:120%;padding-top:16px;text-align:left;text-indent:48px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br></font></div><div><br></div><div></div>	</body>
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<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>exhibit231consentdt.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
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<div><a name="sC2617E6878D5161F183E498D861FBC8B"></a></div><div></div><div><br></div><div style="line-height:120%;padding-top:16px;text-align:right;padding-left:462px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Exhibit 23.1</font></div><div style="line-height:209%;text-align:left;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;"><br></font></div><div style="line-height:209%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</font></div><div style="line-height:209%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:209%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">We consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated </font><font style="font-family:inherit;font-size:10pt;">February&#160;23, 2017</font><font style="font-family:inherit;font-size:10pt;">, relating to the consolidated financial statements of A10 Networks, Inc. and its subsidiaries appearing in the Annual Report on Form 10-K of A10 Networks, Inc. for the year ended </font><font style="font-family:inherit;font-size:10pt;">December&#160;31, 2016</font><font style="font-family:inherit;font-size:10pt;">.</font></div><div style="line-height:209%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:209%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">/s/ DELOITTE &amp; TOUCHE LLP</font></div><div style="line-height:209%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:209%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">San Jose, California</font></div><div style="line-height:209%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">February&#160;23, 2017</font></div><div style="line-height:144%;text-align:left;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;"><br></font></div><div style="line-height:120%;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br></font></div><div><br></div><div></div>	</body>
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