<SUBMISSION>
<ACCESSION-NUMBER>0001571049-17-004887
<TYPE>SC 13D/A
<PUBLIC-DOCUMENT-COUNT>4
<FILING-DATE>20170511
<DATE-OF-FILING-DATE-CHANGE>20170511
<GROUP-MEMBERS>DISCOVERY EQUITY PARTNERS, L.P.
<SUBJECT-COMPANY>
<COMPANY-DATA>
<CONFORMED-NAME>AEROHIVE NETWORKS, INC
<CIK>0001372414
<ASSIGNED-SIC>7373
<IRS-NUMBER>204524700
<STATE-OF-INCORPORATION>CA
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>SC 13D/A
<ACT>34
<FILE-NUMBER>005-88579
<FILM-NUMBER>17835175
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>1011 MCCARTHY BOULEVARD
<CITY>MILPITAS
<STATE>CA
<ZIP>95035
<PHONE>408-510-6100
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1011 MCCARTHY BOULEVARD
<CITY>MILPITAS
<STATE>CA
<ZIP>95035
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>AEROHIVE NETWORKS INC
<DATE-CHANGED>20060811
</FORMER-COMPANY>
</SUBJECT-COMPANY>
<FILED-BY>
<COMPANY-DATA>
<CONFORMED-NAME>Discovery Group I, LLC
<CIK>0001312548
<IRS-NUMBER>300075077
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>SC 13D/A
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>300 S WACKER DRIVE SUITE 600
<CITY>CHICAGO
<STATE>IL
<ZIP>60606
<PHONE>(312) 265-9600
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>300 S WACKER DRIVE SUITE 600
<CITY>CHICAGO
<STATE>IL
<ZIP>60606
</MAIL-ADDRESS>
</FILED-BY>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>t1700322_sc13da.htm
<DESCRIPTION>SCHEDULE 13D (AMENDMENT NO. 4)
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0">&nbsp;</P>

<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 0; margin-bottom: 0"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="margin: 0"></P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE
COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Washington, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SCHEDULE 13D</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Rule 13d-101)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>INFORMATION TO BE INCLUDED IN STATEMENTS
FILED PURSUANT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>TO &sect; 240.13d-1(a) AND AMENDMENTS
THERETO FILED</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>PURSUANT TO &sect; 240.13d-2(a)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"><B>UNDER THE SECURITIES
EXCHANGE ACT OF 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in">(Amendment No. 4)*</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Aerohive Networks, Inc.</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name of Issuer)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Common Stock, par value $0.001 per share</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Title of Class of Securities)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>007786106</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(CUSIP Number)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Discovery Group I, LLC</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>300 South Wacker Drive</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Suite 600</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Chicago, Illinois 60606</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Telephone Number: (312) 265-9600</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name, Address and Telephone Number of Person<BR>
Authorized to Receive Notices and Communications)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>May 10, 2017</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Date of Event which Requires Filing of
this Statement)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">If the filing person has previously filed a statement
on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of &sect;&sect;240.13d-1(e),
240.13d-1(f) or 240.13d-1(g), check the following box. <FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>Note</B>: Schedules filed in paper format shall
include a signed original and five copies of the schedule, including all exhibits. See &sect;240.13d-7 for other parties to whom
copies are to be sent.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><SUP>*</SUP>The remainder of this cover page shall
be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any
subsequent amendment containing information which would alter disclosures provided in a prior cover page.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">The information required on the remainder of this
cover page shall not be deemed to be &quot;filed&quot; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&quot;Act&quot;)
or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however,
see the Notes).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR>
    <TD COLSPAN="4" STYLE="border-bottom: Black 2px solid">CUSIP No. 007786106</TD></TR>
<TR>
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">1.</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid">Names of Reporting Persons. <BR>
Discovery Equity Partners, L.P.</TD></TR>
<TR>
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">2.</TD>
    <TD COLSPAN="2">Check the Appropriate Box if a Member of a Group (See Instructions)</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 5%">&nbsp;</TD>
    <TD STYLE="width: 5%">(a)</TD>
    <TD STYLE="width: 89%; border-bottom: Black 2px solid"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD>(b)</TD>
    <TD STYLE="border-bottom: Black 2px solid"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">3.</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid">SEC Use Only </TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">4.</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid">Source of Funds (See Instructions)<BR>
WC</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">5.</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid">Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">6.</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid">Citizenship or Place of Organization<BR>
Illinois</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR>
    <TD ROWSPAN="7" STYLE="width: 7%">Number of<BR>
Shares<BR>
Beneficially<BR>
Owned by<BR>
Each<BR>
Reporting<BR>
Person With</TD>
    <TD STYLE="vertical-align: top; width: 5%">7.</TD>
    <TD STYLE="width: 88%; border-bottom: Black 2px solid">Sole Voting Power <BR>
None.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">8.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Shared Voting Power <BR>
4,284,507</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">9.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Sole Dispositive Power <BR>
None.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">10.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Shared Dispositive Power <BR>
4,284,507</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 5%">11.</TD>
    <TD STYLE="width: 94%; border-bottom: Black 2px solid">Aggregate Amount Beneficially Owned by Each Reporting Person <BR>
4,284,507</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">12.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">13.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Percent of Class Represented by Amount in Row (11) <BR>
8.1%</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">14.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Type of Reporting Person (See Instructions)<BR>
PN</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR>
    <TD COLSPAN="4" STYLE="border-bottom: Black 2px solid">CUSIP No. 007786106</TD></TR>
<TR>
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">1.</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid">Names of Reporting Persons. <BR>
Discovery Group I, LLC</TD></TR>
<TR>
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">2.</TD>
    <TD COLSPAN="2">Check the Appropriate Box if a Member of a Group (See Instructions)</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 5%">&nbsp;</TD>
    <TD STYLE="width: 5%">(a)</TD>
    <TD STYLE="width: 89%; border-bottom: Black 2px solid"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD>(b)</TD>
    <TD STYLE="border-bottom: Black 2px solid"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">3.</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid">SEC Use Only </TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">4.</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid">Source of Funds (See Instructions)<BR>
AF</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">5.</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid">Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="4">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">6.</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid">Citizenship or Place of Organization<BR>
Delaware</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR>
    <TD ROWSPAN="7" STYLE="width: 7%">Number of<BR>
Shares<BR>
Beneficially<BR>
Owned by<BR>
Each<BR>
Reporting<BR>
Person With</TD>
    <TD STYLE="vertical-align: top; width: 5%">7.</TD>
    <TD STYLE="width: 88%; border-bottom: Black 2px solid">Sole Voting Power <BR>
None.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">8.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Shared Voting Power <BR>
4,284,507</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">9.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Sole Dispositive Power <BR>
None.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top">10.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Shared Dispositive Power <BR>
4,284,507</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 5%">11.</TD>
    <TD STYLE="width: 94%; border-bottom: Black 2px solid">Aggregate Amount Beneficially Owned by Each Reporting Person <BR>
4,284,507</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">12.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">13.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Percent of Class Represented by Amount in Row (11) <BR>
8.1%</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3">&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="vertical-align: top">14.</TD>
    <TD STYLE="border-bottom: Black 2px solid">Type of Reporting Person (See Instructions)<BR>
IA</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="width: 10%"><B>Item 1.</B></TD>
    <TD STYLE="width: 90%"><B>Security and Issuer</B></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: left">This Amendment No. 4 to Schedule 13D (&ldquo;<B>Amendment No. 4</B>&rdquo;) relates to the Common Stock, par value $0.001 per share (the &ldquo;<B>Common Stock</B>&rdquo;), of Aerohive Networks, Inc., a Delaware corporation (the &ldquo;<B>Company</B>&rdquo;), which has its principal executive offices at 1011 McCarthy Boulevard, Milpitas, California 95035. This Amendment No. 4 amends and supplements, as set forth below, the information contained in items 1, 2, 3, 5 and 6 of the Schedule 13D filed by the Reporting Persons with respect to the Company on June 19, 2015, as amended by Amendment No. 1 thereto filed by the Reporting Persons with respect to the Company on July 7, 2015, as amended by Amendment No. 2 thereto filed by the Reporting Persons with respect to the Company on August 7, 2015, and as amended by Amendment No. 3 thereto filed by the Reporting Persons with respect to the Company on May 18, 2016 (as so amended, the &ldquo;<B>Schedule 13D</B>&rdquo;). All capitalized terms used herein but not defined herein have the meanings set forth in the Schedule 13D. Except as amended by this Amendment No. 4, all information contained in the Schedule 13D is, after reasonable inquiry and to the best of the Reporting Persons&rsquo; knowledge and belief, complete and correct as of the date of this Amendment No. 4.</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
<TR>
    <TD><B>Item 2.</B></TD>
    <TD><B>Identity and Background</B></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">Item 2 of the Schedule 13D is hereby amended
        to read in its entirety as follows:</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">This statement is being jointly filed by
        the following persons (the &ldquo;<B>Reporting Persons</B>&rdquo;):</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">Discovery Equity Partners, L.P. (&ldquo;<B>Discovery
        Equity Partners</B>&rdquo;) is an Illinois limited partnership primarily engaged in the business of investing in securities.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">Discovery Group I, LLC (&ldquo;<B>Discovery
        Group</B>&rdquo;) is a Delaware limited liability company and a registered investment adviser under the Investment Advisers Act
        of 1940, as amended, that is primarily engaged in the business of investing in securities on behalf of institutional clients.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><BR>
        The business address of each of the Reporting Persons is 300 South Wacker Drive, Suite 600, Chicago, Illinois 60606.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">During the past five years, neither of
        the Reporting Persons has been (i) convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors) or
        (ii) a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding
        was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject
        to, federal or state securities laws, or finding any violation with respect to such laws.</P></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD><B>Item 3.</B></TD>
    <TD><B>Source and Amount of Funds or Other Consideration</B></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Item 3 of the Schedule 13D is hereby amended to read in its
        entirety as follows:</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The total purchase price for the 4,284,507 shares of Common
        Stock beneficially owned by the Reporting Persons as of May 10, 2017 was approximately $25,914,788. The source of such funds was
        the assets of Discovery Equity Partners, including proceeds of margin loans under margin loan facilities maintained in the ordinary
        course of business by Discovery Equity Partners with a broker on customary terms and conditions. Discovery Equity Partners is the
        legal owner of all of the Common Stock beneficially owned by Discovery Group.</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="width: 10%"><B>Item 5.</B></TD>
    <TD STYLE="width: 90%"><B>Interest in Securities of the Issuer</B></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Item 5 of the Schedule 13D is hereby amended to read in its
        entirety as follows:</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The information concerning percentages of ownership set forth
        below is based on 52,840,074 shares of Common Stock outstanding as of April 28, 2017, as reported in the Company&rsquo;s Quarterly
        Report on Form 10-Q for the quarter ended March 31, 2017.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Discovery Equity Partners beneficially owns 4,284,507 shares
        of Common Stock as of May 10, 2017, which represents 8.1% of the outstanding Common Stock.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Discovery Group beneficially owns 4,284,507 shares of Common
        Stock as of May 10, 2017, which represents 8.1% of the outstanding Common Stock.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="background-color: white">Discovery Group is the
        investment manager of Discovery Equity Partners.&nbsp;&nbsp; Discovery Group exercises ultimate voting and dispositive power of
        the securities held by Discovery Equity Partners. As a consequence, Discovery Group may be deemed to share beneficial ownership
        of all of the Common Shares owned by Discovery Equity Partners. Voting and disposition decisions at Discovery Group with respect
        to the investment of such securities are made by a five-person investment committee (the &ldquo;<B>Committee</B>&rdquo;) which
        makes such investment decisions by majority vote. No member of the Committee may act individually to vote or sell Common Shares
        held by Discovery Equity Partners, nor does any such member have a veto right concerning the vote or sale of any such common stock.
        Accordingly, no individual member of the Committee is deemed to beneficially own, and each individual member of the Committee expressly
        disclaims beneficial ownership of, within the meaning of Rule 13d-3, any Common Shares held by Discovery Equity Partners solely
        by virtue of the fact that he or she is a member of the Committee.</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The transactions in Common Stock effected by the Reporting Persons
        during the past 60 days are set out in <U>Exhibit 1</U> hereto.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">No person other than <FONT STYLE="background-color: white">Discovery
        Equity Partners</FONT> is known to any Reporting Person to have the right to receive or the power to direct the receipt of dividends
        from, or the proceeds from the sale of, any of the shares of Common Stock reported herein.</P></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD><B>Item 6.</B></TD>
    <TD><B>Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer</B></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Item 6 of the Schedule 13D is hereby amended to read in its
        entirety as follows:</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="background-color: white">There are no contracts,
        arrangements, understandings or relationships (legal or otherwise) between or among any of the Reporting Persons and any other
        person with respect to any securities of the Company other than the governing documents of Discovery Group and Discovery Equity
        Partners, </FONT>the margin loan facilities referred to under Item 3 above, the Joint Filing Agreements of the Reporting Persons
        with respect to the Schedule 13D that were included as exhibits thereto, the Joint Filing Agreement of the Reporting Persons with
        respect to this Amendment No. 4 included as <U>Exhibit 2</U> to this Amendment No. 4, and the Power of Attorney granted by Michael
        R. Murphy with respect to reports under Section 13 of the Securities Exchange Act of 1934, as amended, which Power of Attorney
        is included as <U>Exhibit 3</U> to this Amendment No. 4<FONT STYLE="background-color: white">.</FONT></P></TD></TR>

<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD STYLE="width: 10%"><B>Item 7.</B></TD>
    <TD STYLE="width: 90%"><B>Material to Be Filed as Exhibits</B></TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>Exhibit 1:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;List of transactions effected by the Reporting Persons in the Company&rsquo;s Common Stock during the 60-day period preceding this filing.</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>Exhibit 2:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Joint Filing Agreement dated as of May 11, 2017, by and between <FONT STYLE="background-color: white">Discovery Equity Partners</FONT> and Discovery Group.</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD>&nbsp;</TD>
    <TD>Exhibit 3:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Power of Attorney of Michael R. Murphy, dated as of April 28, 2008.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in"><B>Signature</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement is true, complete and correct.</P>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="vertical-align: top; width: 50%">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 50%; border-bottom: Black 2px solid; text-align: center"><FONT STYLE="background-color: white">May 11, 2017</FONT></TD></TR>
<TR>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; text-align: center">Date</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: left"><B>DISCOVERY EQUITY PARTNERS, L.P.</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">By: Michael R. Murphy*</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">Signature</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center">Michael R. Murphy, Manager</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">Name/Title</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><B>DISCOVERY GROUP I, LLC</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">By: Michael R. Murphy*</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">Signature</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center">Michael R. Murphy, Manager</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">Name/Title</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: center">*By: /s/ Mark Buckley</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Mark Buckley</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Attorney-in-Fact for Michael R. Murphy</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Exhibit Index</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="vertical-align: top; width: 13%; padding-right: 0.7pt; padding-left: 0.7pt">Exhibit 1</TD>
    <TD STYLE="vertical-align: bottom; width: 4%; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 83%; padding-right: 0.7pt; padding-left: 0.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">List of transactions effected by the Reporting Persons in the
        Company&rsquo;s Common Stock during the 60-day period preceding this filing.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">Exhibit 2</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">Joint Filing Agreement dated as of May 11, 2017, by and between <FONT STYLE="background-color: white">Discovery Equity Partners and </FONT>Discovery Group.</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">Exhibit 3</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">Power of Attorney of Michael R. Murphy, dated as of April 28, 2008.</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 0.7pt; padding-left: 0.7pt">&nbsp;</TD></TR>
</TABLE>
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<DOCUMENT>
<TYPE>EX-1
<SEQUENCE>2
<FILENAME>t1700322_ex1.htm
<DESCRIPTION>EXHIBIT 1
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>EXHIBIT 1</B></P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><U>TRANSACTIONS DURING PAST 60 DAYS</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">The Reporting Persons engaged in the following
transactions in shares of Common Stock of the Company during the past 60 days. Such transactions involved the sale of shares on
the New York Stock Exchange. The prices reported below reflect the weighted average sale price of the shares of Common Stock sold
on the relevant date. The Reporting Persons hereby undertake to provide upon request to the SEC staff full information regarding
the number of shares and prices at which each transaction was effected.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="width: 25%; text-align: left">Date</TD>
    <TD NOWRAP STYLE="width: 4%">&nbsp;</TD>
    <TD NOWRAP STYLE="width: 21%; text-align: center">Type</TD>
    <TD NOWRAP STYLE="width: 11%">&nbsp;</TD>
    <TD NOWRAP STYLE="width: 16%">Price</TD>
    <TD NOWRAP STYLE="width: 4%">&nbsp;</TD>
    <TD NOWRAP STYLE="width: 19%; text-align: center">Shares</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="text-align: left">5/4/2017</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP STYLE="text-align: center">Sale</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP>&nbsp;$&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.0593</TD>
    <TD NOWRAP><SUP>1</SUP></TD>
    <TD NOWRAP STYLE="text-align: right">73930</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="text-align: left">5/4/2017</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP STYLE="text-align: center">Sale</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP>&nbsp;$&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.0509</TD>
    <TD NOWRAP><SUP>2</SUP></TD>
    <TD NOWRAP STYLE="text-align: right">100000</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="text-align: left">5/5/2017</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP STYLE="text-align: center">Sale</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP>&nbsp;$&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.1436</TD>
    <TD NOWRAP><SUP>3</SUP></TD>
    <TD NOWRAP STYLE="text-align: right">89330</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="text-align: left">5/8/2017</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP STYLE="text-align: center">Sale</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP>&nbsp;$&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.0419</TD>
    <TD NOWRAP><SUP>4</SUP></TD>
    <TD NOWRAP STYLE="text-align: right">36211</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="text-align: left">5/9/2017</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP STYLE="text-align: center">Sale</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP>&nbsp;$&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.0238</TD>
    <TD NOWRAP><SUP>5</SUP></TD>
    <TD NOWRAP STYLE="text-align: right">23204</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="text-align: left">5/10/2017</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP STYLE="text-align: center">Sale</TD>
    <TD NOWRAP>&nbsp;</TD>
    <TD NOWRAP>&nbsp;$&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.1008</TD>
    <TD NOWRAP><SUP>6</SUP></TD>
    <TD NOWRAP STYLE="text-align: right">66799</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in; text-indent: -0.3in"><SUP>1</SUP> This transaction
was executed in multiple trades at prices ranging from $4.00 &ndash; 4.15.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in; text-indent: -0.3in"><SUP>2</SUP> This transaction
was executed in multiple trades at prices ranging from $4.00 &ndash; 4.175.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in; text-indent: -0.3in"><SUP>3</SUP> This transaction
was executed in multiple trades at prices ranging from $4.08 &ndash; 4.225.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in; text-indent: -0.3in"><SUP>4</SUP> This transaction
was executed in multiple trades at prices ranging from $4.00 &ndash; 4.095.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in; text-indent: -0.3in"><SUP>5</SUP> This transaction
was executed in multiple trades at prices ranging from $4.00 &ndash; 4.05.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.3in; text-indent: -0.3in"><SUP>6</SUP> This transaction
was executed in multiple trades at prices ranging from $4.01 &ndash; 4.155.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left"><B>&nbsp;</B></P>


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<DOCUMENT>
<TYPE>EX-2
<SEQUENCE>3
<FILENAME>t1700322_ex2.htm
<DESCRIPTION>EXHIBIT 2
<TEXT>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><B>&nbsp;</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>EXHIBIT 2</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">JOINT FILING AGREEMENT</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned hereby agree to the joint filing of the Amendment
No. 4 to Schedule 13D to which this Agreement is attached.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Dated:&nbsp; May 11, 2017</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><B>DISCOVERY EQUITY PARTNERS, L.P.</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 62%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 33%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>By</TD>
    <TD STYLE="border-bottom: Black 1pt solid">Michael R. Murphy*</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Michael R. Murphy</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Manager</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><B>DISCOVERY GROUP I, LLC</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>By</TD>
    <TD STYLE="border-bottom: Black 1pt solid">Michael R. Murphy*</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Michael R. Murphy</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Manager</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>*By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid">/s/ Mark Buckley</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Mark Buckley</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Attorney-in-Fact for Michael R. Murphy</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3.2in">&nbsp;</P>


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<TYPE>EX-3
<SEQUENCE>4
<FILENAME>t1700322_ex3.htm
<DESCRIPTION>EXHIBIT 3
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>EXHIBIT 3</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">POWER OF ATTORNEY</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The undersigned, Michael
R. Murphy, hereby appoints Mark Buckley his true and lawful attorney-in-fact and agent, with full power to execute and file with
the United States Securities and Exchange Commission and any stock exchange or similar authority, for and on his behalf in any
and all capacities, any and all reports required to be filed pursuant to Section 13 of the Securities Exchange Act of 1934 and
the rules thereunder on Schedule 13D or 13G, any and all amendments to such reports, with all exhibits, and any other forms or
documents as may be necessary in connection with the filing of such reports with the United States Securities and Exchange Commission
and any stock exchange or similar authority, granting unto said attorney full power and authority to do and perform any and all
acts for and on behalf of the undersigned which may be necessary or desirable to complete, as fully as the undersigned might or
could do in person.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">This Power of Attorney
shall remain in full force and effect until revoked by the undersigned in a signed writing delivered to the foregoing attorney-in-fact
and agent.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">IN WITNESS WHEREOF
the undersigned has caused this Power of Attorney to be executed this 28th day of April, 2008.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%; border-bottom: Black 1pt solid">/s/ Michael R. Murphy</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Michael R. Murphy</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;<BR></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 25%">STATE OF ILLINOIS</TD>
    <TD STYLE="width: 75%">)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>) SS.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>COUNTY OF COOK</TD>
    <TD>)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">I, Kareema M. Cruz,
a Notary Public in and for the County of Cook, State of Illinois, DO HEREBY CERTIFY that Michael R. Murphy, who is personally known
to me to be the same person whose name is subscribed to the foregoing instrument, appeared before me this day in person and acknowledged
that he signed and delivered the said instrument as his own free and voluntary act, for the uses and purposes therein set forth.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Given under my hand and notarial seal, this
28th day of April, 2008.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3.25in">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%; border-bottom: Black 1pt solid">/s/ Kareema M. Cruz</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Notary Public</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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