<SEC-DOCUMENT>0001571049-15-001435.txt : 20150226
<SEC-HEADER>0001571049-15-001435.hdr.sgml : 20150226
<ACCEPTANCE-DATETIME>20150226172115
ACCESSION NUMBER:		0001571049-15-001435
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150226
DATE AS OF CHANGE:		20150226

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Semler Scientific, Inc.
		CENTRAL INDEX KEY:			0001554859
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
		IRS NUMBER:				261367393
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88028
		FILM NUMBER:		15653792

	BUSINESS ADDRESS:	
		STREET 1:		2330 N.W. EVERETT STREET
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97210
		BUSINESS PHONE:		408-627-4557

	MAIL ADDRESS:	
		STREET 1:		2330 N.W. EVERETT STREET
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97210

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Chang William H
		CENTRAL INDEX KEY:			0001594408

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	MAIL ADDRESS:	
		STREET 1:		C/O SEMLER SCIENTIFIC, INC.
		STREET 2:		2330 NW EVERETT ST.
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97210
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>t1500443_13da.htm
<DESCRIPTION>AMENDMENT NO. 1 TO SCHEDULE 13D
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>UNITED STATES</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>SECURITIES
AND EXCHANGE COMMISSION</B></FONT></P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>SCHEDULE 13D</B></FONT></P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>(Amendment No. 1)</B></FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Under the Securities Exchange Act of 1934</B></P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 14pt"><B>SEMLER SCIENTIFIC,
INC.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-top: black 0.5pt solid">(Name of Issuer)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>Common Stock,
par value $0.001 per share</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-top: black 0.5pt solid">(Title of Class
of Securities)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>81684M 104</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-top: black 0.5pt solid">(CUSIP Number)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>Yvan-Claude
Pierre, Esq.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>Marianne C.
Sarrazin, Esq.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>Reed Smith
LLP</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>599 Lexington
Avenue</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>New York,
New York 10022</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>Telephone:
(212) 521-5400</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-top: black 0.5pt solid">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Authorized to Receive Notices and Communications)</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-size: 12pt"><B>February 24,
2015</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-top: black 0.5pt solid">(Date of Event
Which Requires Filing of this Statement)</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">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><FONT STYLE="font-family: Wingdings">&uml;</FONT></P>

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

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    <TD STYLE="width: 50%; font-weight: bold; text-align: left">CUSIP No. 81684M 104</TD>
    <TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="width: 48%; font-weight: bold; text-align: right">Page <B>2</B> of <B>5</B></TD><TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SCHEDULE 13D</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="Font-Size: 9pt">
<TR VALIGN="BOTTOM">
    <TD WIDTH="3%"></TD>
    <TD WIDTH="3%"></TD>
    <TD WIDTH="87%"></TD>
    <TD WIDTH="1%"></TD>
    <TD WIDTH="6%"></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="border-top: #000000 1px solid; border-bottom: #000000 1px solid; text-align: right"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left">&nbsp;<BR>
<B>CUSIP No. 81684M 104</B><BR>&nbsp;</P>


</TD>
    <TD STYLE="border-top: #000000 1px solid; border-bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="border-top: #000000 1px solid; border-bottom: #000000 1px solid">&nbsp;</TD></TR>
<TR VALIGN="TOP">
    <TD STYLE="Border-Top: #000000 1px solid; Border-Bottom: #000000 1px solid" ALIGN="RIGHT">1.</TD>
    <TD STYLE="Border-Top: #000000 1px solid; Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Top: #000000 1px solid; Border-Bottom: #000000 1px solid">NAMES OF REPORTING PERSONS<BR><BR><B>WILLIAM H.C.
    CHANG</B></TD>
    <TD STYLE="Border-Top: #000000 1px solid; Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Top: #000000 1px solid; Border-Bottom: #000000 1px solid">&nbsp;</TD></TR>
<TR>
    <TD VALIGN="TOP" STYLE="Border-Bottom: #000000 1px solid" ALIGN="RIGHT">2.</TD>
    <TD VALIGN="BOTTOM" STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD VALIGN="TOP" STYLE="Border-Bottom: #000000 1px solid">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP<BR> (a)&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font: x-small WINGDINGS; color: #000000">&#168;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>(b)&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font: x-small WINGDINGS; color: #000000">&#168;</FONT></TD>
    <TD VALIGN="BOTTOM" STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD VALIGN="TOP" STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD></TR>
<TR VALIGN="TOP">
    <TD STYLE="Border-Bottom: #000000 1px Solid" ALIGN="RIGHT">3.</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">SEC USE ONLY<BR>&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD></TR>
<TR VALIGN="TOP">
    <TD STYLE="Border-Bottom: #000000 1px Solid" ALIGN="RIGHT">4.</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">SOURCE OF FUNDS<BR>&nbsp;<BR><B>PF</B></TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD></TR>
<TR VALIGN="TOP">
    <TD STYLE="Border-Bottom: #000000 1px Solid" ALIGN="RIGHT">5.</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d)
    or 2(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>
&nbsp;<BR>
<FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT></TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD></TR>
<TR VALIGN="TOP">
    <TD STYLE="Border-Bottom: #000000 1px Solid" ALIGN="RIGHT">6.</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">CITIZENSHIP OR PLACE OF ORGANIZATION<BR>&nbsp;<BR><B>United States</B></TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD></TR>
</TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="Font-Size: 9pt">
<TR>
    <TD WIDTH="14%"></TD>
    <TD WIDTH="3%"></TD>
    <TD WIDTH="2%"></TD>
    <TD WIDTH="3%"></TD>
    <TD WIDTH="78%"></TD></TR>
<TR VALIGN="TOP">
    <TD VALIGN="MIDDLE" ROWSPAN="4" ALIGN="CENTER" STYLE="Border-Bottom: #000000 1px solid">NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING
    PERSON WITH</TD>
    <TD VALIGN="BOTTOM">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px Solid" ALIGN="RIGHT">7.</TD>
    <TD VALIGN="BOTTOM" STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">SOLE VOTING POWER<BR>&nbsp;<BR><B>0 shares</B></TD></TR>
<TR VALIGN="TOP">
    <TD VALIGN="BOTTOM">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px Solid" ALIGN="RIGHT">8.</TD>
    <TD VALIGN="BOTTOM" STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">SHARED VOTING POWER<BR>&nbsp;<BR><B>869,473 shares</B></TD></TR>
<TR VALIGN="TOP">
    <TD VALIGN="BOTTOM">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px Solid" ALIGN="RIGHT">9.</TD>
    <TD VALIGN="BOTTOM" STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">SOLE DISPOSITIVE POWER<BR>&nbsp;<BR><B>0 shares</B></TD></TR>
<TR VALIGN="TOP">
    <TD VALIGN="BOTTOM" STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px Solid" ALIGN="RIGHT">10.</TD>
    <TD VALIGN="BOTTOM" STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">SHARED DISPOSITIVE POWER<BR>&nbsp;<BR><B>869,473 shares</B></TD></TR>
</TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="Font-Size: 9pt">
<TR VALIGN="BOTTOM">
    <TD WIDTH="3%"></TD>
    <TD WIDTH="3%"></TD>
    <TD WIDTH="87%"></TD>
    <TD WIDTH="1%"></TD>
    <TD WIDTH="6%"></TD></TR>
<TR VALIGN="TOP">
    <TD STYLE="Border-Bottom: #000000 1px solid" ALIGN="RIGHT">11.</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON <BR><BR><B>869,473
    shares</B></TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD></TR>
<TR VALIGN="TOP">
    <TD STYLE="Border-Bottom: #000000 1px solid" ALIGN="RIGHT">12.</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES<BR>&nbsp;<BR>
<FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT><BR><BR></TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD></TR>
<TR VALIGN="TOP">
    <TD STYLE="Border-Bottom: #000000 1px solid" ALIGN="RIGHT">13.</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) <BR><BR><B>18.2%*</B></TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD></TR>
<TR VALIGN="TOP">
    <TD STYLE="Border-Bottom: #000000 1px solid" ALIGN="RIGHT">14.</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">TYPE OF REPORTING PERSON*<BR><BR><B>IN</B></TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD>
    <TD STYLE="Border-Bottom: #000000 1px solid">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt"><BR><BR> * Based upon an aggregate of 4,716,017 shares
of the Issuer&rsquo;s (as defined below) common stock outstanding as of February 12, 2015 as reported in the
Issuer&rsquo;s Annual Report on Form 10-K filed on February 13, 2015 plus the 55,000 shares purchased directly from the
Issuer by the Reporting Person as reported in Item 4.</P>

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

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    <TD STYLE="width: 50%; font-weight: bold; text-align: left">CUSIP No. 81684M 104</TD>
    <TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="width: 48%; font-weight: bold; text-align: right">Page <B>3</B> of <B>5</B></TD><TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt"></P>

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

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 9%; padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Item&nbsp;1.</B></FONT></TD>
    <TD STYLE="padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Security and Issuer </B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The equity securities covered by
this Schedule 13D (Amendment No. 1) are shares of common stock, $0.001 par value, of Semler Scientific, Inc., a Delaware
corporation (the &ldquo;Issuer&rdquo;). The Issuer&rsquo;s principal executive offices are located at 2330 NW Everett St.,
Portland, OR 97210.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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: top">
    <TD STYLE="width: 9%; padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Item&nbsp;2.</B></FONT></TD>
    <TD STYLE="padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Identity and Background </B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">This statement is filed by William H.C. Chang,
a U.S. citizen (the &ldquo;Reporting Person&rdquo;). All of the Reporting Person&rsquo;s securities are held in the Chang Family
Trust, a California living revocable trust, of which he is co-Trustee with his spouse. The Reporting Person&rsquo;s business address
is 520 El Camino Real, 9th Floor, San Mateo, CA 94402, and his present principal occupation is serving as Chief Executive Officer
of Westlake Development Company and Chairman of Westlake International Group.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Reporting Person has not during the last
five years, (a) been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors) or (b) been 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>

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

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 9%; padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Item&nbsp;3.</B></FONT></TD>
    <TD STYLE="padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Source and Amount of Funds or Other Consideration</B></FONT></TD></TR>
</TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The information contained in Item 4 is incorporated
by reference into this Item 3.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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: top">
    <TD STYLE="width: 9%; padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Item&nbsp;4.</B></FONT></TD>
    <TD STYLE="padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Purpose of Transaction.</B></FONT></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">
On February 24, 2015, the Reporting Person acquired an aggregate of 55,000 shares of the Issuer's common stock in a private placement pursuant to a stock purchase agreement with the Issuer dated February 24, 2015,  at a price per share of $4.52, the consolidated closing bid price on the date of the agreement.  Such shares were acquired using personal funds (approximately $248,600).</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Reporting Person previously acquired
an aggregate of 89,285 shares of the Issuer&rsquo;s common stock upon the closing of the Issuer&rsquo;s initial public
offering (&ldquo;IPO&rdquo;) on the same terms and for the same price as other investors in the Issuer&rsquo;s IPO. Such
shares were acquired at the IPO price of $7.00 per share using personal funds (approximately $624,995). Such shares, when
aggregated with other acquisitions of the Issuer&rsquo;s equity securities by the Reporting Person in 12 months preceding the
IPO exceeded 2% of the Issuer&rsquo;s outstanding common stock after closing of the IPO.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Reporting Person consummated the transactions
described herein in order to acquire an interest in the Issuer for investment purposes. Depending upon future evaluations of the
business prospects of the Issuer and upon other developments, including, but not limited to, general economic and business conditions
and stock market conditions, the Reporting Person may purchase additional equity or other securities of the Issuer or dispose of
some or all of his holdings in the open market, in public offerings, in privately negotiated transactions or in other transactions,
or in any combination of the foregoing, subject to the Issuer&rsquo;s insider trading policy and relevant applicable securities
laws and regulations.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Except as set forth in this Item 4, the Reporting
Person has no present plans or proposals that relate to, or that would result in, any of the actions specified in clauses (a) through
(j) of Item 4 of Schedule 13D.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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: top">
    <TD STYLE="width: 9%; padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Item&nbsp;5.</B></FONT></TD>
    <TD STYLE="padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Interest in Securities of the
Issuer.</B></FONT></TD></TR>
</TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Reporting Person is the beneficial
owner of an aggregate of 869,473 shares of the Issuer&rsquo;s common stock (approximately 18.2% based on 4,716,017 shares
issued and outstanding on February 12, 2015 plus the 55,000 shares purchased directly from the Issuer on  February 24, 2015
as reported herein). The Reporting Person shares sole voting and investment control over such shares with his spouse, as
co-Trustee of the Chang Family Trust. Such beneficial ownership includes: (i) 55,000 shares or the Issuer&rsquo;s common
stock acquired directly from the Issuer and 89,285 shares of the Issuer&rsquo;s common stock acquired in the Issuer&rsquo;s
IPO, each as described in Item 4, (ii) 524,031 shares of the Issuer&rsquo;s common stock received in connection with the
closing of the Issuer&rsquo;s IPO upon automatic conversion of an aggregate of 417,781 shares of the Issuer&rsquo;s Series A
convertible preferred stock, 64,583 shares of the Issuer&rsquo;s Series A-1 convertible preferred stock and 41,667 shares of
the Issuer&rsquo;s Series A-2 convertible preferred stock, (iii) 171,157 shares of the Issuer&rsquo;s common stock received
in connection with the closing of the Issuer&rsquo;s IPO upon cashless exercise of warrants to acquire an aggregate of
388,336 shares of the Issuer&rsquo;s Series A convertible preferred stock and 69,281 shares of the Issuer&rsquo;s Series A-1
convertible preferred stock in accordance with their terms, and (iv) 30,000 shares of the Issuer&rsquo;s common stock held
prior to the Issuer&rsquo;s IPO.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Other than in connection with the acquisition
of the shares of the Issuer&rsquo;s common stock described in Items 4 and 5 of this Schedule 13D (Amendment No. 1), the
Reporting Person has not effected any transactions in the Issuer&rsquo;s securities during the 60 days prior to the date of this
Schedule 13D (Amendment No. 1).</P>

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

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

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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%; font-weight: bold; text-align: left">CUSIP No. 81684M 104</TD>
    <TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="width: 48%; font-weight: bold; text-align: right">Page 4   of <B>5</B></TD><TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD></TR>
</TABLE>






<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 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: top">
    <TD STYLE="width: 9%; padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Item&nbsp;6.</B></FONT></TD>
    <TD STYLE="padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Contracts,
Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.</B></FONT></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt; text-align: justify">As a shareholder of the Issuer prior
to its IPO, the Reporting Person is party to the following agreements:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt; text-align: justify"><B><I>Investor Rights Agreement </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt; text-align: justify">In June 2012, all the holders of the
Issuer&rsquo;s then outstanding common stock and convertible preferred stock, including the Reporting Person, entered into an Investor
Rights Agreement. This agreement currently provides for certain rights relating to the registration of the holders&rsquo; shares
of common stock, which rights will terminate five years following the completion of the IPO, or for any particular holder with
registration rights, at such time following the IPO when all securities held by that stockholder subject to registration rights
may be sold pursuant to Rule 144 under the Securities Act of 1933, as amended during any ninety (90) day period.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt; text-align: justify">Other than as described above, there
are no other contracts, arrangements, understandings, or relationships (legal or otherwise) between Reporting Person and any other
person with respect to the securities beneficially owned by the Reporting Person.</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: 9%; padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Item&nbsp;7.</B></FONT></TD>
    <TD STYLE="padding-bottom: 10pt; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Materials to be Filed
as Exhibits</B></FONT></TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 10pt 22.5pt; text-align: justify; text-indent: -22.5pt">None.</P>

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

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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%; font-weight: bold; text-align: left">CUSIP No. 81684M 104</TD>
    <TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="width: 48%; font-weight: bold; text-align: right">Page
 5 of <B>5</B></TD><TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD></TR>
</TABLE>






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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 9pt 0 0; text-indent: 24.5pt">After reasonable inquiry and to the best
of such Reporting Person&rsquo;s knowledge and belief, the undersigned certifies that the information set forth in this statement
is true, complete and correct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 9pt 0 0">Dated: February 26, 2015</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 9pt 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">WILLIAM H.C. CHANG</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">/s/ DANIEL E. CONGER</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>Attorney-in-Fact</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 9pt 0 0">&nbsp;</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 9pt 0 0 3.5in"></P>

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